1TLMGR(1)              User Contributed Perl Documentation             TLMGR(1)
2
3
4

NAME

6       tlmgr - the native TeX Live Manager
7

SYNOPSIS

9       tlmgr [option...] action [option...] [operand...]
10

DESCRIPTION

12       tlmgr manages an existing TeX Live installation, both packages and
13       configuration options.  For information on initially downloading and
14       installing TeX Live, see <https://tug.org/texlive/acquire.html>.
15
16       The most up-to-date version of this documentation (updated nightly from
17       the development sources) is available at
18       <https://tug.org/texlive/tlmgr.html>, along with procedures for
19       updating "tlmgr" itself and information about test versions.
20
21       TeX Live is organized into a few top-level schemes, each of which is
22       specified as a different set of collections and packages, where a
23       collection is a set of packages, and a package is what contains actual
24       files.  Schemes typically contain a mix of collections and packages,
25       but each package is included in exactly one collection, no more and no
26       less.  A TeX Live installation can be customized and managed at any
27       level.
28
29       See <https://tug.org/texlive/doc> for all the TeX Live documentation
30       available.
31

EXAMPLES

33       After successfully installing TeX Live, here are a few common
34       operations with "tlmgr":
35
36       "tlmgr option repository ctan"
37       "tlmgr option repository https://mirror.ctan.org/systems/texlive/tlnet"
38           Tell "tlmgr" to use a nearby CTAN mirror for future updates; useful
39           if you installed TeX Live from the DVD image and want to have
40           continuing updates.  The two commands are equivalent; "ctan" is
41           just an alias for the given url.
42
43           Caveat: "mirror.ctan.org" resolves to many different hosts, and
44           they are not perfectly synchronized; we recommend updating only
45           daily (at most), and not more often. You can choose a particular
46           mirror if problems; the list of all CTAN mirrors with the status of
47           each is at <https://ctan.org/mirrors/mirmon>.
48
49       "tlmgr update --list"
50           Report what would be updated without actually updating anything.
51
52       "tlmgr update --all"
53           Make your local TeX installation correspond to what is in the
54           package repository (typically useful when updating from CTAN).
55
56       "tlmgr info" what
57           Display detailed information about a package what, such as the
58           installation status and description, of searches for what in all
59           packages.
60
61       For all the capabilities and details of "tlmgr", please read the
62       following voluminous information.
63

OPTIONS

65       The following options to "tlmgr" are global options, not specific to
66       any action.  All options, whether global or action-specific, can be
67       given anywhere on the command line, and in any order.  The first non-
68       option argument will be the main action.  In all cases, "--"option and
69       "-"option are equivalent, and an "=" is optional between an option name
70       and its value.
71
72       --repository url|path
73           Specify the package repository from which packages should be
74           installed or updated, either a local directory or network location,
75           as below. This overridesthe default package repository found in the
76           installation's TeX Live Package Database (a.k.a. the TLPDB, which
77           is given entirely in the file "tlpkg/texlive.tlpdb").
78
79           This "--repository" option changes the location only for the
80           current run; to make a permanent change, use "option repository"
81           (see the "option" action).
82
83           As an example, you can choose a particular CTAN mirror with
84           something like this:
85
86             -repository http://ctan.example.org/its/ctan/dir/systems/texlive/tlnet
87
88           Of course a real hostname and its particular top-level CTAN
89           directory have to be specified.  The list of CTAN mirrors is
90           available at <https://ctan.org/mirrors/mirmon>.
91
92           Here's an example of using a local directory:
93
94             -repository /local/TL/repository
95
96           For backward compatibility and convenience, "--location" and
97           "--repo" are accepted as aliases for this option.
98
99           Locations can be specified as any of the following:
100
101           "/some/local/dir"
102           "file:/some/local/dir"
103               Equivalent ways of specifying a local directory.
104
105           "ctan"
106           "https://mirror.ctan.org/systems/texlive/tlnet"
107               Pick a CTAN mirror automatically, trying for one that is both
108               nearby and up-to-date. The chosen mirror is used for the entire
109               download. The bare "ctan" is merely an alias for the full url.
110               (See <https://ctan.org> for more about CTAN and its mirrors.)
111
112           "http://server/path/to/tlnet"
113               Standard HTTP. If the (default) LWP method is used, persistent
114               connections are supported. TL can also use "curl" or "wget" to
115               do the downloads, or an arbitrary user-specified program, as
116               described in the "tlmgr" documentation
117               (<https://tug.org/texlive/doc/tlmgr.html#ENVIRONMENT-VARIABLES>).
118
119           "https://server/path/to/tlnet"
120               Again, if the (default) LWP method is used, this supports
121               persistent connections. Unfortunately, some versions of "wget"
122               and "curl" do not support https, and even when "wget" supports
123               https, certificates may be rejected even when the certificate
124               is fine, due to a lack of local certificate roots. The simplest
125               workaround for this problem is to use http or ftp.
126
127           "ftp://server/path/to/tlnet"
128               If the (default) LWP method is used, persistent connections are
129               supported.
130
131           "user@machine:/path/to/tlnet"
132           "scp://user@machine/path/to/tlnet"
133           "ssh://user@machine/path/to/tlnet"
134               These forms are equivalent; they all use "scp" to transfer
135               files. Using "ssh-agent" is recommended. (Info:
136               <https://en.wikipedia.org/wiki/OpenSSH>,
137               <https://en.wikipedia.org/wiki/Ssh-agent>.)
138
139           If the repository is on the network, trailing "/" characters and/or
140           trailing "/tlpkg" and/or "/archive" components are ignored.
141
142       --gui [action]
143           Two notable GUI front-ends for "tlmgr", "tlshell" and "tlcockpit",
144           are started up as separate programs; see their own documentation.
145
146           "tlmgr" itself has a graphical interface as well as the command
147           line interface. You can give the option to invoke it, "--gui",
148           together with an action to be brought directly into the respective
149           screen of the GUI.  For example, running
150
151             tlmgr --gui update
152
153           starts you directly at the update screen.  If no action is given,
154           the GUI will be started at the main screen.  See "GUI FOR TLMGR".
155
156           However, the native GUI requires Perl/TK, which is no longer
157           included in TeX Live's Perl distribution for Windows. You may find
158           "tlshell" or "tlcockpit" easier to work with.
159
160       --gui-lang llcode
161           By default, the GUI tries to deduce your language from the
162           environment (on Windows via the registry, on Unix via
163           "LC_MESSAGES"). If that fails you can select a different language
164           by giving this option with a language code (based on ISO 639-1).
165           Currently supported (but not necessarily completely translated)
166           are: English (en, default), Czech (cs), German (de), French (fr),
167           Italian (it), Japanese (ja), Dutch (nl), Polish (pl),
168           Brazilian Portuguese (pt_BR), Russian (ru), Slovak (sk),
169           Slovenian (sl), Serbian (sr), Ukrainian (uk), Vietnamese (vi),
170           simplified Chinese (zh_CN), and traditional Chinese (zh_TW).
171
172           tlshell shares its message catalog with tlmgr.
173
174       --command-logfile file
175           "tlmgr" logs the output of all programs invoked (mktexlr, mtxrun,
176           fmtutil, updmap) to a separate log file, by default
177           "TEXMFSYSVAR/web2c/tlmgr-commands.log".  This option allows you to
178           specify a different file for the log.
179
180       --debug-translation
181           In GUI mode, this switch tells "tlmgr" to report any untranslated
182           (or missing) messages to standard error.  This can help translators
183           to see what remains to be done.
184
185       --machine-readable
186           Instead of the normal output intended for human consumption, write
187           (to standard output) a fixed format more suitable for machine
188           parsing.  See the "MACHINE-READABLE OUTPUT" section below.
189
190       --no-execute-actions
191           Suppress the execution of the execute actions as defined in the
192           tlpsrc files.  Documented only for completeness, as this is only
193           useful in debugging.
194
195       --package-logfile file
196           "tlmgr" logs all package actions (install, remove, update, failed
197           updates, failed restores) to a separate log file, by default
198           "TEXMFSYSVAR/web2c/tlmgr.log".  This option allows you to specify a
199           different file for the log.
200
201       --pause
202           This option makes "tlmgr" wait for user input before exiting.
203           Useful on Windows to avoid disappearing command windows.
204
205       --persistent-downloads
206       --no-persistent-downloads
207           For network-based installations, this option (on by default) makes
208           "tlmgr" try to set up a persistent connection (using the "LWP" Perl
209           module).  The idea is to open and reuse only one connection per
210           session between your computer and the server, instead of initiating
211           a new download for each package.
212
213           If this is not possible, "tlmgr" will fall back to using "wget".
214           To disable these persistent connections, use
215           "--no-persistent-downloads".
216
217       --pin-file
218           Change the pinning file location from
219           "TEXMFLOCAL/tlpkg/pinning.txt" (see "Pinning" below).  Documented
220           only for completeness, as this is only useful in debugging.
221
222       --usermode
223           Activates user mode for this run of "tlmgr"; see "USER MODE" below.
224
225       --usertree dir
226           Uses dir for the tree in user mode; see "USER MODE" below.
227
228       --verify-repo=[none|main|all]
229           Defines the level of verification done: If "none" is specified, no
230           verification whatsoever is done. If "main" is given and a working
231           GnuPG ("gpg") binary is available, all repositories are checked,
232           but only the main repository is required to be signed. If "all" is
233           given, then all repositories need to be signed.  See "CRYPTOGRAPHIC
234           VERIFICATION" below for details.
235
236       The standard options for TeX Live programs are also accepted:
237       "--help/-h/-?", "--version", "-q" (no informational messages), "-v"
238       (debugging messages, can be repeated).  For the details about these,
239       see the "TeXLive::TLUtils" documentation.
240
241       The "--version" option shows version information about the TeX Live
242       release and about the "tlmgr" script itself.  If "-v" is also given,
243       revision number for the loaded TeX Live Perl modules are shown, too.
244

ACTIONS

246   help
247       Display this help information and exit (same as "--help", and on the
248       web at <https://tug.org/texlive/doc/tlmgr.html>).  Sometimes the
249       "perldoc" and/or "PAGER" programs on the system have problems,
250       resulting in control characters being literally output.  This can't
251       always be detected, but you can set the "NOPERLDOC" environment
252       variable and "perldoc" will not be used.
253
254   version
255       Gives version information (same as "--version").
256
257       If "-v" has been given the revisions of the used modules are reported,
258       too.
259
260   backup
261       backup [option...] --all
262       backup [option...] pkg...
263           If the "--clean" option is not specified, this action makes a
264           backup of the given packages, or all packages given "--all". These
265           backups are saved to the value of the "--backupdir" option, if that
266           is an existing and writable directory. If "--backupdir" is not
267           given, the "backupdir" option setting in the TLPDB is used, if
268           present. If both are missing, no backups are made. (The installer
269           sets "backupdir" to ".../tlpkg/backups", under the TL root
270           installation directory, so it is usually defined; see the "option"
271           description for more information.)
272
273           If the "--clean" option is specified, backups are pruned (removed)
274           instead of saved. The optional integer value N may be specified to
275           set the number of backups that will be retained when cleaning. If
276           "N" is not given, the value of the "autobackup" option is used. If
277           both are missing, an error is issued. For more details of backup
278           pruning, see the "option" action.
279
280           Options:
281
282           --backupdir directory
283               Overrides the "backupdir" option setting in the TLPDB.  The
284               directory argument is required and must specify an existing,
285               writable directory where backups are to be placed.
286
287           --all
288               If "--clean" is not specified, make a backup of all packages in
289               the TeX Live installation; this will take quite a lot of space
290               and time.  If "--clean" is specified, all packages are pruned.
291
292           --clean[=N]
293               Instead of making backups, prune the backup directory of old
294               backups, as explained above. The optional integer argument N
295               overrides the "autobackup" option set in the TLPDB.  You must
296               use "--all" or a list of packages together with this option, as
297               desired.
298
299           --dry-run
300               Nothing is actually backed up or removed; instead, the actions
301               to be performed are written to the terminal.
302
303   candidates pkg
304       Shows the available candidate repositories for package pkg.  See
305       "MULTIPLE REPOSITORIES" below.
306
307   check [option...] [depends|executes|files|runfiles|texmfdbs|all]
308       Execute one (or all) check(s) of the consistency of the installation.
309       If no problems are found, there will be no output. (To get a view of
310       what is being done, run "tlmgr -v check".)
311
312       depends
313           Lists those packages which occur as dependencies in an installed
314           collection, but are themselves not installed, and those packages
315           which are not contained in any collection.
316
317           If you call "tlmgr check collections" this test will be carried out
318           instead since former versions for "tlmgr" called it that way.
319
320       executes
321           Check that the files referred to by "execute" directives in the TeX
322           Live Database are present.
323
324       files
325           Checks that all files listed in the local TLPDB ("texlive.tlpdb")
326           are actually present, and lists those missing.
327
328       runfiles
329           List those filenames that are occurring more than one time in the
330           runfiles sections, except for known duplicates.
331
332       texmfdbs
333           Checks related to the "ls-R" files. If you have defined new trees,
334           or changed the "TEXMF" or "TEXMFDBS" variables, it can't hurt to
335           run this. It checks that:
336
337           - all items in "TEXMFDBS" have the "!!" prefix.
338           - all items in "TEXMFBDS" have an "ls-R" file (if they exist at
339           all).
340           - all items in "TEXMF" with "!!" are listed in "TEXMFDBS".
341           - all items in "TEXMF" with an "ls-R" file are listed in
342           "TEXMFDBS".
343
344       Options:
345
346       --use-svn
347           Use the output of "svn status" instead of listing the files; for
348           checking the TL development repository. (This is run nightly.)
349
350   conf
351       conf [texmf|tlmgr|updmap [--conffile file] [--delete] [key [value]]]
352       conf auxtrees [--conffile file] [show|add|remove] [value]
353           With only "conf", show general configuration information for TeX
354           Live, including active configuration files, path settings, and
355           more.  This is like running "texconfig conf", but works on all
356           supported platforms.
357
358           With one of "conf texmf", "conf tlmgr", or "conf updmap", shows all
359           key/value pairs (i.e., all settings) as saved in "ROOT/texmf.cnf",
360           the user-specific "tlmgr" configuration file (see below), or the
361           first found (via "kpsewhich") "updmap.cfg" file, respectively.
362
363           If key is given in addition, shows the value of only that key in
364           the respective file.  If option --delete is also given, the value
365           in the given configuration file is entirely removed (not just
366           commented out).
367
368           If value is given in addition, key is set to value in the
369           respective file.  No error checking is done!
370
371           The "PATH" value shown by "conf" is as used by "tlmgr".  The
372           directory in which the "tlmgr" executable is found is automatically
373           prepended to the PATH value inherited from the environment.
374
375           Here is a practical example of changing configuration values. If
376           the execution of (some or all) system commands via "\write18" was
377           left enabled during installation, you can disable it afterwards:
378
379             tlmgr conf texmf shell_escape 0
380
381           The subcommand "auxtrees" allows adding and removing arbitrary
382           additional texmf trees, completely under user control.  "auxtrees
383           show" shows the list of additional trees, "auxtrees add" tree adds
384           a tree to the list, and "auxtrees remove" tree removes a tree from
385           the list (if present). The trees should not contain an "ls-R" file
386           (or files will not be found if the "ls-R" becomes stale). This
387           works by manipulating the Kpathsea variable "TEXMFAUXTREES", in (by
388           default) "ROOT/texmf.cnf".  Example:
389
390             tlmgr conf auxtrees add /quick/test/tree
391             tlmgr conf auxtrees remove /quick/test/tree
392
393           In all cases the configuration file can be explicitly specified via
394           the option "--conffile" file, e.g., if you don't want to change the
395           system-wide configuration.
396
397           Warning: The general facility for changing configuration values is
398           here, but tinkering with settings in this way is strongly
399           discouraged.  Again, no error checking on either keys or values is
400           done, so any sort of breakage is possible.
401
402   dump-tlpdb [option...] [--json]
403       Dump complete local or remote TLPDB to standard output, as-is.  The
404       output is analogous to the "--machine-readable" output; see "MACHINE-
405       READABLE OUTPUT" section.
406
407       Options:
408
409       --local
410           Dump the local TLPDB.
411
412       --remote
413           Dump the remote TLPDB.
414
415       --json
416           Instead of dumping the actual content, the database is dumped as
417           JSON. For the format of JSON output see
418           "tlpkg/doc/JSON-formats.txt", format definition "TLPDB".
419
420       Exactly one of "--local" and "--remote" must be given.
421
422       In either case, the first line of the output specifies the repository
423       location, in this format:
424
425         "location-url" "\t" location
426
427       where "location-url" is the literal field name, followed by a tab, and
428       location is the file or url to the repository.
429
430       Line endings may be either LF or CRLF depending on the current
431       platform.
432
433   generate
434       generate [option...] language
435       generate [option...] language.dat
436       generate [option...] language.def
437       generate [option...] language.dat.lua
438
439       The "generate" action overwrites any manual changes made in the
440       respective files: it recreates them from scratch based on the
441       information of the installed packages, plus local adaptions.  The TeX
442       Live installer and "tlmgr" routinely call "generate" for all of these
443       files.
444
445       For managing your own fonts, please read the "updmap --help"
446       information and/or <https://tug.org/fonts/fontinstall.html>.
447
448       For managing your own formats, please read the "fmtutil --help"
449       information.
450
451       In more detail: "generate" remakes any of the configuration files
452       "language.dat", "language.def", and "language.dat.lua" from the
453       information present in the local TLPDB, plus locally-maintained files.
454
455       The locally-maintained files are "language-local.dat",
456       "language-local.def", or "language-local.dat.lua", searched for in
457       "TEXMFLOCAL" in the respective directories.  If local additions are
458       present, the final file is made by starting with the main file,
459       omitting any entries that the local file specifies to be disabled, and
460       finally appending the local file.
461
462       (Historical note: The formerly supported "updmap-local.cfg" and
463       "fmtutil-local.cnf" are no longer read, since "updmap" and "fmtutil"
464       now reads and supports multiple configuration files.  Thus, local
465       additions can and should be put into an "updmap.cfg" of "fmtutil.cnf"
466       file in "TEXMFLOCAL".  The "generate updmap" and "generate fmtutil"
467       actions no longer exist.)
468
469       Local files specify entries to be disabled with a comment line, namely
470       one of these:
471
472         %!NAME
473         --!NAME
474
475       where "language.dat" and "language.def" use "%", and "language.dat.lua"
476       use "--".  In all cases, the name is the respective format name or
477       hyphenation pattern identifier.  Examples:
478
479         %!german
480         --!usenglishmax
481
482       (Of course, you're not likely to actually want to disable those
483       particular items.  They're just examples.)
484
485       After such a disabling line, the local file can include another entry
486       for the same item, if a different definition is desired.  In general,
487       except for the special disabling lines, the local files follow the same
488       syntax as the master files.
489
490       The form "generate language" recreates all three files "language.dat",
491       "language.def", and "language.dat.lua", while the forms with an
492       extension recreates only that given language file.
493
494       Options:
495
496       --dest output_file
497           specifies the output file (defaults to the respective location in
498           "TEXMFSYSVAR").  If "--dest" is given to "generate language", it
499           serves as a basename onto which ".dat" will be appended for the
500           name of the "language.dat" output file, ".def" will be appended to
501           the value for the name of the "language.def" output file, and
502           ".dat.lua" to the name of the "language.dat.lua" file.  (This is
503           just to avoid overwriting; if you want a specific name for each
504           output file, we recommend invoking "tlmgr" twice.)
505
506       --localcfg local_conf_file
507           specifies the (optional) local additions (defaults to the
508           respective location in "TEXMFLOCAL").
509
510       --rebuild-sys
511           tells "tlmgr" to run necessary programs after config files have
512           been regenerated. These are: "fmtutil-sys --all" after "generate
513           fmtutil", "fmtutil-sys --byhyphen .../language.dat" after "generate
514           language.dat", and "fmtutil-sys --byhyphen .../language.def" after
515           "generate language.def".
516
517           These subsequent calls cause the newly-generated files to actually
518           take effect.  This is not done by default since those calls are
519           lengthy processes and one might want to made several related
520           changes in succession before invoking these programs.
521
522       The respective locations are as follows:
523
524         tex/generic/config/language.dat (and language-local.dat)
525         tex/generic/config/language.def (and language-local.def)
526         tex/generic/config/language.dat.lua (and language-local.dat.lua)
527
528   gui
529       Start the graphical user interface. See GUI below.
530
531   info
532       info [option...] pkg...
533       info [option...] collections
534       info [option...] schemes
535           With no argument, lists all packages available at the package
536           repository, prefixing those already installed with "i".
537
538           With the single word "collections" or "schemes" as the argument,
539           lists the request type instead of all packages.
540
541           With any other arguments, display information about pkg: the name,
542           category, short and long description, sizes, installation status,
543           and TeX Live revision number.  If pkg is not locally installed,
544           searches in the remote installation source.
545
546           For normal packages (not collections or schemes), the sizes of the
547           four groups of files (run/src/doc/bin files) are shown separately.
548           For collections, the cumulative size is shown, including all
549           directly-dependent packages (but not dependent collections). For
550           schemes, the cumulative size is also shown, including all directly-
551           dependent collections and packages.
552
553           If pkg is not found locally or remotely, the search action is used
554           and lists matching packages and files.
555
556           It also displays information taken from the TeX Catalogue, namely
557           the package version, date, and license.  Consider these, especially
558           the package version, as approximations only, due to timing skew of
559           the updates of the different pieces.  By contrast, the "revision"
560           value comes directly from TL and is reliable.
561
562           The former actions "show" and "list" are merged into this action,
563           but are still supported for backward compatibility.
564
565           Options:
566
567           --list
568               If the option "--list" is given with a package, the list of
569               contained files is also shown, including those for platform-
570               specific dependencies.  When given with schemes and
571               collections, "--list" outputs their dependencies in a similar
572               way.
573
574           --only-installed
575               If this option is given, the installation source will not be
576               used; only locally installed packages, collections, or schemes
577               are listed.
578
579           --only-remote
580               Only list packages from the remote repository. Useful when
581               checking what is available in a remote repository using "tlmgr
582               --repo ... --only-remote info". Note that "--only-installed"
583               and "--only-remote" cannot both be specified.
584
585           --data "item1,item2,..."
586               If the option "--data" is given, its argument must be a comma
587               or colon separated list of field names from: "name",
588               "category", "localrev", "remoterev", "shortdesc", "longdesc",
589               "installed", "size", "relocatable", "depends", "cat-version",
590               "cat-date", "cat-license", plus various "cat-contact-*" fields
591               (see below).
592
593               The "cat-*" fields all come from the TeX Catalogue
594               (<https://ctan.org/pkg/catalogue>). For each, there are two
595               more variants with prefix "l" and "r", e.g., "lcat-version" and
596               "rcat-version", which indicate the local and remote
597               information, respectively. The variants without "l" and "r"
598               show the most current one, which is normally the remote value.
599
600               The requested packages' information is listed in CSV format,
601               one package per line, and the column information is given by
602               the "itemN". The "depends" column contains the names of all the
603               dependencies separated by ":" characters.
604
605               At this writing, the "cat-contact-*" fields include: "home",
606               "repository", "support", "bugs", "announce", "development".
607               Each may be empty or a url value. A brief description is on the
608               CTAN upload page for new packages: <https://ctan.org/upload>.
609
610           --json
611               In case "--json" is specified, the output is a JSON encoded
612               array where each array element is the JSON representation of a
613               single "TLPOBJ" but with additional information. For details
614               see "tlpkg/doc/JSON-formats.txt", format definition:
615               "TLPOBJINFO". If both "--json" and "--data" are given, "--json"
616               takes precedence.
617
618   init-usertree
619       Sets up a texmf tree for so-called user mode management, either the
620       default user tree ("TEXMFHOME"), or one specified on the command line
621       with "--usertree".  See "USER MODE" below.
622
623   install [option...] pkg...
624       Install each pkg given on the command line, if it is not already
625       installed.  It does not touch existing packages; see the "update"
626       action for how to get the latest version of a package.
627
628       By default this also installs all packages on which the given pkgs are
629       dependent.  Options:
630
631       --dry-run
632           Nothing is actually installed; instead, the actions to be performed
633           are written to the terminal.
634
635       --file
636           Instead of fetching a package from the installation repository, use
637           the package files given on the command line.  These files must be
638           standard TeX Live package files (with contained tlpobj file).
639
640       --force
641           If updates to "tlmgr" itself (or other parts of the basic
642           infrastructure) are present, "tlmgr" will bail out and not perform
643           the installation unless this option is given.  Not recommended.
644
645       --no-depends
646           Do not install dependencies.  (By default, installing a package
647           ensures that all dependencies of this package are fulfilled.)
648
649       --no-depends-at-all
650           Normally, when you install a package which ships binary files the
651           respective binary package will also be installed.  That is, for a
652           package "foo", the package "foo.i386-linux" will also be installed
653           on an "i386-linux" system.  This option suppresses this behavior,
654           and also implies "--no-depends".  Don't use it unless you are sure
655           of what you are doing.
656
657       --reinstall
658           Reinstall a package (including dependencies for collections) even
659           if it already seems to be installed (i.e, is present in the TLPDB).
660           This is useful to recover from accidental removal of files in the
661           hierarchy.
662
663           When re-installing, only dependencies on normal packages are
664           followed (i.e., not those of category Scheme or Collection).
665
666       --with-doc
667       --with-src
668           While not recommended, the "install-tl" program provides an option
669           to omit installation of all documentation and/or source files.  (By
670           default, everything is installed.)  After such an installation, you
671           may find that you want the documentation or source files for a
672           given package after all.  You can get them by using these options
673           in conjunction with "--reinstall", as in (using the "fontspec"
674           package as the example):
675
676             tlmgr install --reinstall --with-doc --with-src fontspec
677
678       This action does not automatically add new symlinks in system
679       directories; you need to run "tlmgr path add" ("path") yourself if you
680       are using this feature and want new symlinks added.
681
682   key
683       key list
684       key add file
685       key remove keyid
686           The action "key" allows listing, adding and removing additional GPG
687           keys to the set of trusted keys, that is, those that are used to
688           verify the TeX Live databases.
689
690           With the "list" argument, "key" lists all keys.
691
692           The "add" argument requires another argument, either a filename or
693           "-" for stdin, from which the key is added. The key is added to the
694           local keyring "GNUPGHOME/repository-keys.gpg", which is normally
695           "tlpkg/gpg/repository-keys.gpg".
696
697           The "remove" argument requires a key id and removes the requested
698           id from the local keyring.
699
700   list
701       Synonym for "info".
702
703   option
704       option [--json] [show]
705       option [--json] showall|help
706       option key [value]
707
708       The first form, "show", shows the global TeX Live settings currently
709       saved in the TLPDB with a short description and the "key" used for
710       changing it in parentheses.
711
712       The second form, "showall", is similar, but also shows options which
713       can be defined but are not currently set to any value ("help" is a
714       synonym).
715
716       Both "show..." forms take an option "--json", which dumps the option
717       information in JSON format.  In this case, both forms dump the same
718       data. For the format of the JSON output see
719       "tlpkg/doc/JSON-formats.txt", format definition "TLOPTION".
720
721       In the third form, with key, if value is not given, the setting for key
722       is displayed.  If value is present, key is set to value.
723
724       Possible values for key are (run "tlmgr option showall" for the
725       definitive list):
726
727        repository (default package repository),
728        formats    (generate formats at installation or update time),
729        postcode   (run postinst code blobs)
730        docfiles   (install documentation files),
731        srcfiles   (install source files),
732        backupdir  (default directory for backups),
733        autobackup (number of backups to keep).
734        sys_bin    (directory to which executables are linked by the path action)
735        sys_man    (directory to which man pages are linked by the path action)
736        sys_info   (directory to which Info files are linked by the path action)
737        desktop_integration (Windows-only: create Start menu shortcuts)
738        fileassocs (Windows-only: change file associations)
739        multiuser  (Windows-only: install for all users)
740
741       One common use of "option" is to permanently change the installation to
742       get further updates from the Internet, after originally installing from
743       DVD.  To do this, you can run
744
745        tlmgr option repository https://mirror.ctan.org/systems/texlive/tlnet
746
747       The "install-tl" documentation has more information about the possible
748       values for "repository".  (For backward compatibility, "location" can
749       be used as a synonym for "repository".)
750
751       If "formats" is set (this is the default), then formats are regenerated
752       when either the engine or the format files have changed.  Disable this
753       only when you know how and want to regenerate formats yourself whenever
754       needed (which is often, in practice).
755
756       The "postcode" option controls execution of per-package
757       postinstallation action code.  It is set by default, and again
758       disabling is not likely to be of interest except to developers doing
759       debugging.
760
761       The "docfiles" and "srcfiles" options control the installation of their
762       respective file groups (documentation, sources; grouping is
763       approximate) per package. By default both are enabled (1).  Either or
764       both can be disabled (set to 0) if disk space is limited or for minimal
765       testing installations, etc.  When disabled, the respective files are
766       not downloaded at all.
767
768       The options "autobackup" and "backupdir" determine the defaults for the
769       actions "update", "backup" and "restore". These three actions need a
770       directory in which to read or write the backups. If "--backupdir" is
771       not specified on the command line, the "backupdir" option value is used
772       (if set). The TL installer sets "backupdir" to ".../tlpkg/backups",
773       under the TL root installation directory.
774
775       The "autobackup" option (de)activates automatic generation of backups.
776       Its value is an integer.  If the "autobackup" value is "-1", no backups
777       are removed.  If "autobackup" is 0 or more, it specifies the number of
778       backups to keep.  Thus, backups are disabled if the value is 0.  In the
779       "--clean" mode of the "backup" action this option also specifies the
780       number to be kept.  The default value is 1, so that backups are made,
781       but only one backup is kept.
782
783       To setup "autobackup" to "-1" on the command line, use:
784
785         tlmgr option -- autobackup -1
786
787       The "--" avoids having the "-1" treated as an option.  (The "--" stops
788       parsing for options at the point where it appears; this is a general
789       feature across most Unix programs.)
790
791       The "sys_bin", "sys_man", and "sys_info" options are used on Unix
792       systems to control the generation of links for executables, Info files
793       and man pages. See the "path" action for details.
794
795       The last three options affect behavior on Windows installations.  If
796       "desktop_integration" is set, then some packages will install items in
797       a sub-folder of the Start menu for "tlmgr gui", documentation, etc.  If
798       "fileassocs" is set, Windows file associations are made (see also the
799       "postaction" action).  Finally, if "multiuser" is set, then adaptions
800       to the registry and the menus are done for all users on the system
801       instead of only the current user.  All three options are on by default.
802
803   paper
804       paper [a4|letter]
805       <[xdvi|pdftex|dvips|dvipdfmx|context|psutils] paper [papersize|--list]>
806       paper --json
807
808       With no arguments ("tlmgr paper"), shows the default paper size setting
809       for all known programs.
810
811       With one argument (e.g., "tlmgr paper a4"), sets the default for all
812       known programs to that paper size.
813
814       With a program given as the first argument and no paper size specified
815       (e.g., "tlmgr dvips paper"), shows the default paper size for that
816       program.
817
818       With a program given as the first argument and a paper size as the last
819       argument (e.g., "tlmgr dvips paper a4"), set the default for that
820       program to that paper size.
821
822       With a program given as the first argument and "--list" given as the
823       last argument (e.g., "tlmgr dvips paper --list"), shows all valid paper
824       sizes for that program.  The first size shown is the default.
825
826       If "--json" is specified without other options, the paper setup is
827       dumped in JSON format. For the format of JSON output see
828       "tlpkg/doc/JSON-formats.txt", format definition "TLPAPER".
829
830       Incidentally, this syntax of having a specific program name before the
831       "paper" keyword is unusual.  It is inherited from the longstanding
832       "texconfig" script, which supports other configuration settings for
833       some programs, notably "dvips".  "tlmgr" does not support those extra
834       settings.
835
836   path
837       path [--w32mode=user|admin] add
838       path [--w32mode=user|admin] remove
839           On Unix, adds or removes symlinks for executables, man pages, and
840           info pages in the system directories specified by the respective
841           options (see the "option" description above). Does not change any
842           initialization files, either system or personal. Furthermore, any
843           executables added or removed by future updates are not taken care
844           of automatically; this command must be rerun as needed.
845
846           On Windows, the registry part where the binary directory is added
847           or removed is determined in the following way:
848
849           If the user has admin rights, and the option "--w32mode" is not
850           given, the setting w32_multi_user determines the location (i.e., if
851           it is on then the system path, otherwise the user path is changed).
852
853           If the user has admin rights, and the option "--w32mode" is given,
854           this option determines the path to be adjusted.
855
856           If the user does not have admin rights, and the option "--w32mode"
857           is not given, and the setting w32_multi_user is off, the user path
858           is changed, while if the setting w32_multi_user is on, a warning is
859           issued that the caller does not have enough privileges.
860
861           If the user does not have admin rights, and the option "--w32mode"
862           is given, it must be "user" and the user path will be adjusted. If
863           a user without admin rights uses the option "--w32mode admin" a
864           warning is issued that the caller does not have enough privileges.
865
866   pinning
867       The "pinning" action manages the pinning file, see "Pinning" below.
868
869       "pinning show"
870           Shows the current pinning data.
871
872       "pinning add" repo pkgglob...
873           Pins the packages matching the pkgglob(s) to the repository repo.
874
875       "pinning remove" repo pkgglob...
876           Any packages recorded in the pinning file matching the <pkgglob>s
877           for the given repository repo are removed.
878
879       "pinning remove repo --all"
880           Remove all pinning data for repository repo.
881
882   platform
883       platform list|add|remove platform...
884       platform set platform
885       platform set auto
886           "platform list" lists the TeX Live names of all the platforms
887           (a.k.a. architectures), ("i386-linux", ...) available at the
888           package repository.
889
890           "platform add" platform... adds the executables for each given
891           platform platform to the installation from the repository.
892
893           "platform remove" platform... removes the executables for each
894           given platform platform from the installation, but keeps the
895           currently running platform in any case.
896
897           "platform set" platform switches TeX Live to always use the given
898           platform instead of auto detection.
899
900           "platform set auto" switches TeX Live to auto detection mode for
901           platform.
902
903           Platform detection is needed to select the proper "xz" and "wget"
904           binaries that are shipped with TeX Live.
905
906           "arch" is a synonym for "platform".
907
908           Options:
909
910           --dry-run
911               Nothing is actually installed; instead, the actions to be
912               performed are written to the terminal.
913
914   postaction
915       postaction [option...] install [shortcut|fileassoc|script] [pkg...]
916       postaction [option...] remove [shortcut|fileassoc|script] [pkg...]
917           Carry out the postaction "shortcut", "fileassoc", or "script" given
918           as the second required argument in install or remove mode (which is
919           the first required argument), for either the packages given on the
920           command line, or for all if "--all" is given.
921
922           Options:
923
924           --w32mode=[user|admin]
925               If the option "--w32mode" is given the value "user", all
926               actions will only be carried out in the user-accessible parts
927               of the registry/filesystem, while the value "admin" selects the
928               system-wide parts of the registry for the file associations.
929               If you do not have enough permissions, using "--w32mode=admin"
930               will not succeed.
931
932           --fileassocmode=[1|2]
933               "--fileassocmode" specifies the action for file associations.
934               If it is set to 1 (the default), only new associations are
935               added; if it is set to 2, all associations are set to the TeX
936               Live programs.  (See also "option fileassocs".)
937
938           --all
939               Carry out the postactions for all packages
940
941   print-platform
942       Print the TeX Live identifier for the detected platform
943       (hardware/operating system) combination to standard output, and exit.
944       "--print-arch" is a synonym.
945
946   print-platform-info
947       Print the TeX Live platform identifier, TL platform long name, and
948       original output from guess.
949
950   remove [option...] pkg...
951       Remove each pkg specified.  Removing a collection removes all package
952       dependencies (unless "--no-depends" is specified), but not any
953       collection dependencies of that collection.  However, when removing a
954       package, dependencies are never removed.  Options:
955
956       --all
957           Uninstalls all of TeX Live, asking for confirmation unless
958           "--force" is also specified.
959
960       --backup
961       --backupdir directory
962           These options behave just as with the update action (q.v.), except
963           they apply to making backups of packages before they are removed.
964           The default is to make such a backup, that is, to save a copy of
965           packages before removal.
966
967           The "restore" action explains how to restore from a backup.
968
969       --no-depends
970           Do not remove dependent packages.
971
972       --no-depends-at-all
973           See above under install (and beware).
974
975       --force
976           By default, removal of a package or collection that is a dependency
977           of another collection or scheme is not allowed.  With this option,
978           the package will be removed unconditionally.  Use with care.
979
980           A package that has been removed using the "--force" option because
981           it is still listed in an installed collection or scheme will not be
982           updated, and will be mentioned as "forcibly removed" in the output
983           of "tlmgr update --list".
984
985       --dry-run
986           Nothing is actually removed; instead, the actions to be performed
987           are written to the terminal.
988
989       Except with "--all", this "remove" action does not automatically remove
990       symlinks to executables from system directories; you need to run "tlmgr
991       path remove" ("path") yourself if you remove an individual package with
992       a symlink in a system directory.
993
994   repository
995       repository list
996       repository list path|url|tag
997       repository add path [tag]
998       repository remove path|tag
999       repository set path[#tag] [path[#tag] ...]
1000       repository status
1001           This action manages the list of repositories.  See MULTIPLE
1002           REPOSITORIES below for detailed explanations.
1003
1004           The first form, "repository list", lists all configured
1005           repositories and the respective tags if set. If a path, url, or tag
1006           is given after the "list" keyword, it is interpreted as the source
1007           from which to initialize a TL database and lists the contained
1008           packages. This can also be an otherwise-unused repository, either
1009           local or remote. If the option "--with-platforms" is specified in
1010           addition, for each package the available platforms (if any) are
1011           also listed.
1012
1013           The form "repository add" adds a repository (optionally attaching a
1014           tag) to the list of repositories, while "repository remove" removes
1015           a repository, either by full path/url, or by tag.
1016
1017           The form "repository set" sets the list of available repositories
1018           to the items given on the command line, overwriting previous
1019           settings.
1020
1021           The form "repository status" reports the verification status of the
1022           loaded repositories with the format of one repository per line with
1023           fields separated by a single space:
1024
1025           The tag (which can be the same as the url);
1026               = the url;
1027
1028               = iff machine-readable output is specified, the verification
1029               code (a number);
1030
1031               = a textual description of the verification status, as the last
1032               field extending to the end of line.
1033
1034           That is, in normal (not machine-readable) output, the third field
1035           (numeric verification status) is not present.
1036
1037           In all cases, one of the repositories must be tagged as "main";
1038           otherwise, all operations will fail!
1039
1040   restore
1041       restore [option...] pkg [rev]
1042       restore [option...] --all
1043           Restore a package from a previously-made backup.
1044
1045           If "--all" is given, try to restore the latest revision of all
1046           package backups found in the backup directory.
1047
1048           Otherwise, if neither pkg nor rev are given, list the available
1049           backup revisions for all packages.  With pkg given but no rev, list
1050           all available backup revisions of pkg.
1051
1052           When listing available packages, "tlmgr" shows the revision, and in
1053           parenthesis the creation time if available (in format yyyy-mm-dd
1054           hh:mm).
1055
1056           If (and only if) both pkg and a valid revision number rev are
1057           specified, try to restore the package from the specified backup.
1058
1059           Options:
1060
1061           --all
1062               Try to restore the latest revision of all package backups found
1063               in the backup directory. Additional non-option arguments (like
1064               pkg) are not allowed.
1065
1066           --backupdir directory
1067               Specify the directory where the backups are to be found. If not
1068               given it will be taken from the configuration setting in the
1069               TLPDB.
1070
1071           --dry-run
1072               Nothing is actually restored; instead, the actions to be
1073               performed are written to the terminal.
1074
1075           --force
1076               Don't ask questions.
1077
1078           --json
1079               When listing backups, the option "--json" turn on JSON output.
1080               The format is an array of JSON objects ("name", "rev", "date").
1081               For details see "tlpkg/doc/JSON-formats.txt", format
1082               definition: "TLBACKUPS".  If both "--json" and "--data" are
1083               given, "--json" takes precedence.
1084
1085   search
1086       search [option...] what
1087       search [option...] --file what
1088       search [option...] --all what
1089           By default, search the names, short descriptions, and long
1090           descriptions of all locally installed packages for the argument
1091           what, interpreted as a (Perl) regular expression.
1092
1093           Options:
1094
1095           --file
1096               List all filenames containing what.
1097
1098           --all
1099               Search everything: package names, descriptions and filenames.
1100
1101           --global
1102               Search the TeX Live Database of the installation medium,
1103               instead of the local installation.
1104
1105           --word
1106               Restrict the search of package names and descriptions (but not
1107               filenames) to match only full words.  For example, searching
1108               for "table" with this option will not output packages
1109               containing the word "tables" (unless they also contain the word
1110               "table" on its own).
1111
1112   shell
1113       Starts an interactive mode, where tlmgr prompts for commands. This can
1114       be used directly, or for scripting. The first line of output is
1115       "protocol" n, where n is an unsigned number identifying the protocol
1116       version (currently 1).
1117
1118       In general, tlmgr actions that can be given on the command line
1119       translate to commands in this shell mode.  For example, you can say
1120       "update --list" to see what would be updated. The TLPDB is loaded the
1121       first time it is needed (not at the beginning), and used for the rest
1122       of the session.
1123
1124       Besides these actions, a few commands are specific to shell mode:
1125
1126       protocol
1127           Print "protocol n", the current protocol version.
1128
1129       help
1130           Print pointers to this documentation.
1131
1132       version
1133           Print tlmgr version information.
1134
1135       quit, end, bye, byebye, EOF
1136           Exit.
1137
1138       restart
1139           Restart "tlmgr shell" with the original command line; most useful
1140           when developing "tlmgr".
1141
1142       load [local|remote]
1143           Explicitly load the local or remote, respectively, TLPDB.
1144
1145       save
1146           Save the local TLPDB, presumably after other operations have
1147           changed it.
1148
1149       get [var] =item set [var [val]]
1150           Get the value of var, or set it to val.  Possible var names:
1151           "debug-translation", "machine-readable", "no-execute-actions",
1152           "require-verification", "verify-downloads", "repository", and
1153           "prompt". All except "repository" and "prompt" are booleans, taking
1154           values 0 and 1, and behave like the corresponding command line
1155           option.  The "repository" variable takes a string, and sets the
1156           remote repository location. The "prompt" variable takes a string,
1157           and sets the current default prompt.
1158
1159           If var or then val is not specified, it is prompted for.
1160
1161   show
1162       Synonym for "info".
1163
1164   uninstall
1165       Synonym for remove.
1166
1167   update [option...] [pkg...]
1168       Updates the packages given as arguments to the latest version available
1169       at the installation source.  Either "--all" or at least one pkg name
1170       must be specified.  Options:
1171
1172       --all
1173           Update all installed packages except for "tlmgr" itself. If updates
1174           to "tlmgr" itself are present, this gives an error, unless also the
1175           option "--force" or "--self" is given. (See below.)
1176
1177           In addition to updating the installed packages, during the update
1178           of a collection the local installation is (by default) synchronized
1179           to the status of the collection on the server, for both additions
1180           and removals.
1181
1182           This means that if a package has been removed on the server (and
1183           thus has also been removed from the respective collection), "tlmgr"
1184           will remove the package in the local installation.  This is called
1185           ``auto-remove'' and is announced as such when using the option
1186           "--list".  This auto-removal can be suppressed using the option
1187           "--no-auto-remove" (not recommended, see option description).
1188
1189           Analogously, if a package has been added to a collection on the
1190           server that is also installed locally, it will be added to the
1191           local installation.  This is called ``auto-install'' and is
1192           announced as such when using the option "--list".  This auto-
1193           installation can be suppressed using the option "--no-auto-install"
1194           (also not recommended).
1195
1196           An exception to the collection dependency checks (including the
1197           auto-installation of packages just mentioned) are those that have
1198           been ``forcibly removed'' by you, that is, you called "tlmgr remove
1199           --force" on them.  (See the "remove" action documentation.)  To
1200           reinstall any such forcibly removed packages use
1201           "--reinstall-forcibly-removed".
1202
1203           To reiterate: automatic removals and additions are entirely
1204           determined by comparison of collections. Thus, if you manually
1205           install an individual package "foo" which is later removed from the
1206           server, "tlmgr" will not notice and will not remove it locally. (It
1207           has to be this way, without major rearchitecture work, because the
1208           tlpdb does not record the repository from which packages come
1209           from.)
1210
1211           If you want to exclude some packages from the current update run
1212           (e.g., due to a slow link), see the "--exclude" option below.
1213
1214       --self
1215           Update "tlmgr" itself (that is, the infrastructure packages) if
1216           updates to it are present. On Windows this includes updates to the
1217           private Perl interpreter shipped inside TeX Live.
1218
1219           If this option is given together with either "--all" or a list of
1220           packages, then "tlmgr" will be updated first and, if this update
1221           succeeds, the new version will be restarted to complete the rest of
1222           the updates.
1223
1224           In short:
1225
1226             tlmgr update --self        # update infrastructure only
1227             tlmgr update --self --all  # update infrastructure and all packages
1228             tlmgr update --force --all # update all packages but *not* infrastructure
1229                                        # ... this last at your own risk, not recommended!
1230
1231       --dry-run
1232           Nothing is actually installed; instead, the actions to be performed
1233           are written to the terminal.  This is a more detailed report than
1234           "--list".
1235
1236       --list [pkg]
1237           Concisely list the packages which would be updated, newly
1238           installed, or removed, without actually changing anything.  If
1239           "--all" is also given, all available updates are listed.  If
1240           "--self" is given, but not "--all", only updates to the critical
1241           packages (tlmgr, texlive infrastructure, perl on Windows, etc.)
1242           are listed.  If neither "--all" nor "--self" is given, and in
1243           addition no pkg is given, then "--all" is assumed (thus, "tlmgr
1244           update --list" is the same as "tlmgr update --list --all").  If
1245           neither "--all" nor "--self" is given, but specific package names
1246           are given, those packages are checked for updates.
1247
1248       --exclude pkg
1249           Exclude pkg from the update process.  If this option is given more
1250           than once, its arguments accumulate.
1251
1252           An argument pkg excludes both the package pkg itself and all its
1253           related platform-specific packages pkg.ARCH.  For example,
1254
1255             tlmgr update --all --exclude a2ping
1256
1257           will not update "a2ping", "a2ping.i386-linux", or any other
1258           "a2ping."ARCH package.
1259
1260           If this option specifies a package that would otherwise be a
1261           candidate for auto-installation, auto-removal, or reinstallation of
1262           a forcibly removed package, "tlmgr" quits with an error message.
1263           Excludes are not supported in these circumstances.
1264
1265           This option can also be set permanently in the tlmgr config file
1266           with the key "update-exclude".
1267
1268       --no-auto-remove [pkg...]
1269           By default, "tlmgr" tries to remove packages in an existing
1270           collection which have disappeared on the server, as described above
1271           under "--all".  This option prevents such removals, either for all
1272           packages (with "--all"), or for just the given pkg names. This can
1273           lead to an inconsistent TeX installation, since packages are not
1274           infrequently renamed or replaced by their authors. Therefore this
1275           is not recommended.
1276
1277       --no-auto-install [pkg...]
1278           Under normal circumstances "tlmgr" will install packages which are
1279           new on the server, as described above under "--all".  This option
1280           prevents any such automatic installation, either for all packages
1281           (with "--all"), or the given pkg names.
1282
1283           Furthermore, after the "tlmgr" run using this has finished, the
1284           packages that would have been auto-installed will be considered as
1285           forcibly removed.  So, if "foobar" is the only new package on the
1286           server, then
1287
1288             tlmgr update --all --no-auto-install
1289
1290           is equivalent to
1291
1292             tlmgr update --all
1293             tlmgr remove --force foobar
1294
1295           Again, since packages are sometimes renamed or replaced, using this
1296           option is not recommended.
1297
1298       --reinstall-forcibly-removed
1299           Under normal circumstances "tlmgr" will not install packages that
1300           have been forcibly removed by the user; that is, removed with
1301           "remove --force", or whose installation was prohibited by
1302           "--no-auto-install" during an earlier update.
1303
1304           This option makes "tlmgr" ignore the forcible removals and re-
1305           install all such packages. This can be used to completely
1306           synchronize an installation with the server's idea of what is
1307           available:
1308
1309             tlmgr update --reinstall-forcibly-removed --all
1310
1311       --backup
1312       --backupdir directory
1313           These two options control the creation of backups of packages
1314           before updating; that is, backing up packages as currently
1315           installed.  If neither option is given, no backup will made. If
1316           "--backupdir" is given and specifies a writable directory then a
1317           backup will be made in that location. If only "--backup" is given,
1318           then a backup will be made to the directory previously set via the
1319           "option" action (see below). If both are given then a backup will
1320           be made to the specified directory.
1321
1322           You can also set options via the "option" action to automatically
1323           make backups for all packages, and/or keep only a certain number of
1324           backups.
1325
1326           "tlmgr" always makes a temporary backup when updating packages, in
1327           case of download or other failure during an update.  In contrast,
1328           the purpose of this "--backup" option is to save a persistent
1329           backup in case the actual content of the update causes problems,
1330           e.g., introduces an TeX incompatibility.
1331
1332           The "restore" action explains how to restore from a backup.
1333
1334       --no-depends
1335           If you call for updating a package normally all depending packages
1336           will also be checked for updates and updated if necessary. This
1337           switch suppresses this behavior.
1338
1339       --no-depends-at-all
1340           See above under install (and beware).
1341
1342       --force
1343           Force update of normal packages, without updating "tlmgr" itself
1344           (unless the "--self" option is also given).  Not recommended.
1345
1346           Also, "update --list" is still performed regardless of this option.
1347
1348       If the package on the server is older than the package already
1349       installed (e.g., if the selected mirror is out of date), "tlmgr" does
1350       not downgrade.  Also, packages for uninstalled platforms are not
1351       installed.
1352
1353       "tlmgr" saves one copy of the main "texlive.tlpdb" file used for an
1354       update with a suffix representing the repository url, as in
1355       "tlpkg/texlive.tlpdb.main."long-hash-string. Thus, even when many
1356       mirrors are used, only one main "tlpdb" backup is kept. For non-main
1357       repositories, which do not generally have (m)any mirrors, no pruning of
1358       backups is done.
1359
1360       This action does not automatically add or remove new symlinks in system
1361       directories; you need to run "tlmgr" "path" yourself if you are using
1362       this feature and want new symlinks added.
1363

CONFIGURATION FILE FOR TLMGR

1365       "tlmgr" reads two configuration files: one is system-wide, in
1366       "TEXMFSYSCONFIG/tlmgr/config", and the other is user-specific, in
1367       "TEXMFCONFIG/tlmgr/config".  The user-specific one is the default for
1368       the "conf tlmgr" action.  (Run "kpsewhich -var-value=TEXMFSYSCONFIG" or
1369       "... TEXMFCONFIG ..." to see the actual directory names.)
1370
1371       A few defaults corresponding to command-line options can be set in
1372       these configuration files.  In addition, the system-wide file can
1373       contain a directive to restrict the allowed actions.
1374
1375       In these config files, empty lines and lines starting with # are
1376       ignored.  All other lines must look like:
1377
1378         key = value
1379
1380       where the spaces are optional but the "=" is required.
1381
1382       The allowed keys are:
1383
1384       "auto-remove =" 0 or 1 (default 1), same as command-line option.
1385       "gui-expertmode =" 0 or 1 (default 1). This switches between the full
1386       GUI and a simplified GUI with only the most common settings.
1387       "gui-lang =" llcode, with a language code value as with the command-
1388       line option.
1389       "no-checksums =" 0 or 1 (default 0, see below).
1390       "persistent-downloads =" 0 or 1 (default 1), same as command-line
1391       option.
1392       "require-verification =" 0 or 1 (default 0), same as command-line
1393       option.
1394       "tkfontscale =" floating-point number (default 1.0); scaling factor for
1395       fonts in the Tk-based frontends.
1396       "update-exclude =" comma-separated list of packages (no spaces
1397       allowed). Same as the command line option "--exclude" for the "update"
1398       action.
1399       "verify-downloads =" 0 or 1 (default 1), same as command-line option.
1400
1401       The system-wide config file can contain one additional key:
1402
1403       "allowed-actions =" action1[,action2,...] The value is a comma-
1404       separated list (no spaces) of "tlmgr" actions which are allowed to be
1405       executed when "tlmgr" is invoked in system mode (that is, without
1406       "--usermode"). This allows distributors to include "tlmgr" in their
1407       packaging, but allow only a restricted set of actions that do not
1408       interfere with their distro package manager. For native TeX Live
1409       installations, it doesn't make sense to set this.
1410
1411       Finally, the "no-checksums" key needs more explanation. By default,
1412       package checksums computed and stored on the server (in the TLPDB) are
1413       compared to checksums computed locally after downloading.
1414       "no-checksums" disables this process. The checksum algorithm is
1415       SHA-512. Your system must have one of (looked for in this order) the
1416       Perl "Digest::SHA" module, the "openssl" program
1417       (<https://openssl.org>), the "sha512sum" program (from GNU Coreutils,
1418       <https://www.gnu.org/software/coreutils>), or finally the "shasum"
1419       program (just to support old Macs). If none of these are available, a
1420       warning is issued and "tlmgr" proceeds without checking checksums.
1421       "no-checksums" avoids the warning. (Incidentally, other SHA
1422       implementations, such as the pure Perl and pure Lua modules, are much
1423       too slow to be usable in our context.)
1424

CRYPTOGRAPHIC VERIFICATION

1426       "tlmgr" and "install-tl" perform cryptographic verification if
1427       possible.  If verification is performed and successful, the programs
1428       report "(verified)" after loading the TLPDB; otherwise, they report
1429       "(not verified)".  But either way, by default the installation and/or
1430       updates proceed normally.
1431
1432       If a program named "gpg" is available (that is, found in "PATH"), by
1433       default cryptographic signatures will be checked: we require the main
1434       repository be signed, but not any additional repositories. If "gpg" is
1435       not available, by default signatures are not checked and no
1436       verification is carried out, but "tlmgr" still proceeds normally.
1437
1438       The behavior of the verification can be controlled by the command line
1439       and config file option "verify-repo" which takes one of the following
1440       values: "none", "main", or "all". With "none", no verification
1441       whatsoever is attempted.  With "main" (the default) verification is
1442       required only for the main repository, and only if "gpg" is available;
1443       though attempted for all, missing signatures of subsidiary repositories
1444       will not result in an error.  Finally, in the case of "all", "gpg" must
1445       be available and all repositories need to be signed.
1446
1447       In all cases, if a signature is checked and fails to verify, an error
1448       is raised.
1449
1450       Cryptographic verification requires checksum checking (described just
1451       above) to succeed, and a working GnuPG ("gpg") program (see below for
1452       search method).  Then, unless cryptographic verification has been
1453       disabled, a signature file ("texlive.tlpdb.*.asc") of the checksum file
1454       is downloaded and the signature verified. The signature is created by
1455       the TeX Live Distribution GPG key 0x0D5E5D9106BAB6BC, which in turn is
1456       signed by Karl Berry's key 0x0716748A30D155AD and Norbert Preining's
1457       key 0x6CACA448860CDC13.  All of these keys are obtainable from the
1458       standard key servers.
1459
1460       Additional trusted keys can be added using the "key" action.
1461
1462   Configuration of GnuPG invocation
1463       The executable used for GnuPG is searched as follows: If the
1464       environment variable "TL_GNUPG" is set, it is tested and used;
1465       otherwise "gpg" is checked; finally "gpg2" is checked.
1466
1467       Further adaptation of the "gpg" invocation can be made using the two
1468       environment variables "TL_GNUPGHOME", which is passed to "gpg" as the
1469       value for "--homedir", and "TL_GNUPGARGS", which replaces the default
1470       options "--no-secmem-warning --no-permission-warning".
1471

USER MODE

1473       "tlmgr" provides a restricted way, called ``user mode'', to manage
1474       arbitrary texmf trees in the same way as the main installation.  For
1475       example, this allows people without write permissions on the
1476       installation location to update/install packages into a tree of their
1477       own.
1478
1479       "tlmgr" is switched into user mode with the command line option
1480       "--usermode".  It does not switch automatically, nor is there any
1481       configuration file setting for it.  Thus, this option has to be
1482       explicitly given every time user mode is to be activated.
1483
1484       This mode of "tlmgr" works on a user tree, by default the value of the
1485       "TEXMFHOME" variable.  This can be overridden with the command line
1486       option "--usertree".  In the following when we speak of the user tree
1487       we mean either "TEXMFHOME" or the one given on the command line.
1488
1489       Not all actions are allowed in user mode; "tlmgr" will warn you and not
1490       carry out any problematic actions.  Currently not supported (and
1491       probably will never be) is the "platform" action.  The "gui" action is
1492       currently not supported, but may be in a future release.
1493
1494       Some "tlmgr" actions don't need any write permissions and thus work the
1495       same in user mode and normal mode.  Currently these are: "check",
1496       "help", "list", "print-platform", "print-platform-info", "search",
1497       "show", "version".
1498
1499       On the other hand, most of the actions dealing with package management
1500       do need write permissions, and thus behave differently in user mode, as
1501       described below: "install", "update", "remove", "option", "paper",
1502       "generate", "backup", "restore", "uninstall", "symlinks".
1503
1504       Before using "tlmgr" in user mode, you have to set up the user tree
1505       with the "init-usertree" action.  This creates usertree"/web2c" and
1506       usertree"/tlpkg/tlpobj", and a minimal usertree"/tlpkg/texlive.tlpdb".
1507       At that point, you can tell "tlmgr" to do the (supported) actions by
1508       adding the "--usermode" command line option.
1509
1510       In user mode the file usertree"/tlpkg/texlive.tlpdb" contains only the
1511       packages that have been installed into the user tree using "tlmgr",
1512       plus additional options from the ``virtual'' package
1513       "00texlive.installation" (similar to the main installation's
1514       "texlive.tlpdb").
1515
1516       All actions on packages in user mode can only be carried out on
1517       packages that are known as "relocatable".  This excludes all packages
1518       containing executables and a few other core packages.  Of the 2500 or
1519       so packages currently in TeX Live the vast majority are relocatable and
1520       can be installed into a user tree.
1521
1522       Description of changes of actions in user mode:
1523
1524   User mode install
1525       In user mode, the "install" action checks that the package and all
1526       dependencies are all either relocated or already installed in the
1527       system installation.  If this is the case, it unpacks all containers to
1528       be installed into the user tree (to repeat, that's either "TEXMFHOME"
1529       or the value of "--usertree") and add the respective packages to the
1530       user tree's "texlive.tlpdb" (creating it if need be).
1531
1532       Currently installing a collection in user mode installs all dependent
1533       packages, but in contrast to normal mode, does not install dependent
1534       collections.  For example, in normal mode "tlmgr install
1535       collection-context" would install "collection-basic" and other
1536       collections, while in user mode, only the packages mentioned in
1537       "collection-context" are installed.
1538
1539       If a package shipping map files is installed in user mode, a backup of
1540       the user's "updmap.cfg" in "USERTREE/web2c/" is made, and then this
1541       file regenerated from the list of installed packages.
1542
1543   User mode backup, restore, remove, update
1544       In user mode, these actions check that all packages to be acted on are
1545       installed in the user tree before proceeding; otherwise, they behave
1546       just as in normal mode.
1547
1548   User mode generate, option, paper
1549       In user mode, these actions operate only on the user tree's
1550       configuration files and/or "texlive.tlpdb".
1551
1552   User mode logs
1553       In user mode, "tlmgr.log" and <tlmgr-commands.log> are written in the
1554       "TEXMFVAR/web2c/" directlry instead of "TEXMFSYSVAR/web2c/".
1555

MULTIPLE REPOSITORIES

1557       The main TeX Live repository contains a vast array of packages.
1558       Nevertheless, additional local repositories can be useful to provide
1559       locally-installed resources, such as proprietary fonts and house
1560       styles.  Also, alternative package repositories distribute packages
1561       that cannot or should not be included in TeX Live, for whatever reason.
1562
1563       The simplest and most reliable method is to temporarily set the
1564       installation source to any repository (with the "-repository" or
1565       "option repository" command line options), and perform your operations.
1566
1567       When you are using multiple repositories over a sustained length of
1568       time, however, explicitly switching between them becomes inconvenient.
1569       Thus, it's possible to tell "tlmgr" about additional repositories you
1570       want to use.  The basic command is "tlmgr repository add".  The rest of
1571       this section explains further.
1572
1573       When using multiple repositories, one of them has to be set as the main
1574       repository, which distributes most of the installed packages.  When you
1575       switch from a single repository installation to a multiple repository
1576       installation, the previous sole repository will be set as the main
1577       repository.
1578
1579       By default, even if multiple repositories are configured, packages are
1580       still only installed from the main repository.  Thus, simply adding a
1581       second repository does not actually enable installation of anything
1582       from there.  You also have to specify which packages should be taken
1583       from the new repository, by specifying so-called ``pinning'' rules,
1584       described next.
1585
1586   Pinning
1587       When a package "foo" is pinned to a repository, a package "foo" in any
1588       other repository, even if it has a higher revision number, will not be
1589       considered an installable candidate.
1590
1591       As mentioned above, by default everything is pinned to the main
1592       repository.  Let's now go through an example of setting up a second
1593       repository and enabling updates of a package from it.
1594
1595       First, check that we have support for multiple repositories, and have
1596       only one enabled (as is the case by default):
1597
1598        $ tlmgr repository list
1599        List of repositories (with tags if set):
1600          /var/www/norbert/tlnet
1601
1602       Ok.  Let's add the "tlcontrib" repository (this is a real repository
1603       hosted at <http://contrib.texlive.info>) with the tag "tlcontrib":
1604
1605        $ tlmgr repository add http://contrib.texlive.info/current tlcontrib
1606
1607       Check the repository list again:
1608
1609        $ tlmgr repository list
1610        List of repositories (with tags if set):
1611           http://contrib.texlive.info/current (tlcontrib)
1612           /var/www/norbert/tlnet (main)
1613
1614       Now we specify a pinning entry to get the package "classico" from
1615       "tlcontrib":
1616
1617        $ tlmgr pinning add tlcontrib classico
1618
1619       Check that we can find "classico":
1620
1621        $ tlmgr show classico
1622        package:     classico
1623        ...
1624        shortdesc:   URW Classico fonts
1625        ...
1626
1627       - install "classico":
1628
1629        $ tlmgr install classico
1630        tlmgr: package repositories:
1631        ...
1632        [1/1,  ??:??/??:??] install: classico @tlcontrib [737k]
1633
1634       In the output here you can see that the "classico" package has been
1635       installed from the "tlcontrib" repository (@tlcontrib).
1636
1637       Finally, "tlmgr pinning" also supports removing certain or all packages
1638       from a given repository:
1639
1640         $ tlmgr pinning remove tlcontrib classico # remove just classico
1641         $ tlmgr pinning remove tlcontrib --all    # take nothing from tlcontrib
1642
1643       A summary of "tlmgr pinning" actions is given above.
1644

GUI FOR TLMGR

1646       The graphical user interface for "tlmgr" requires Perl/Tk
1647       <https://search.cpan.org/search?query=perl%2Ftk>. For Unix-based
1648       systems Perl/Tk (as well as Perl of course) has to be installed outside
1649       of TL.  <https://tug.org/texlive/distro.html#perltk> has a list of
1650       invocations for some distros.  For Windows the necessary modules are no
1651       longer shipped within TeX Live, so you'll have to have an external Perl
1652       available that includes them.
1653
1654       We are talking here about the GUI built into tlmgr itself, not about
1655       the other tlmgr GUIs, which are: tlshell (Tcl/Tk-based), tlcockpit
1656       (Java-based) and, only on Macs, TeX Live Utility. These are invoked as
1657       separate programs.
1658
1659       The GUI mode of tlmgr is started with the invocation "tlmgr gui";
1660       assuming Tk is loadable, the graphical user interface will be shown.
1661       The main window contains a menu bar, the main display, and a status
1662       area where messages normally shown on the console are displayed.
1663
1664       Within the main display there are three main parts: the "Display
1665       configuration" area, the list of packages, and the action buttons.
1666
1667       Also, at the top right the currently loaded repository is shown; this
1668       also acts as a button and when clicked will try to load the default
1669       repository.  To load a different repository, see the "tlmgr" menu item.
1670
1671       Finally, the status area at the bottom of the window gives additional
1672       information about what is going on.
1673
1674   Main display
1675       Display configuration area
1676
1677       The first part of the main display allows you to specify (filter) which
1678       packages are shown.  By default, all are shown.  Changes here are
1679       reflected right away.
1680
1681       Status
1682           Select whether to show all packages (the default), only those
1683           installed, only those not installed, or only those with update
1684           available.
1685
1686       Category
1687           Select which categories are shown: packages, collections, and/or
1688           schemes.  These are briefly explained in the "DESCRIPTION" section
1689           above.
1690
1691       Match
1692           Select packages matching for a specific pattern.  By default, this
1693           searches both descriptions and filenames.  You can also select a
1694           subset for searching.
1695
1696       Selection
1697           Select packages to those selected, those not selected, or all.
1698           Here, ``selected'' means that the checkbox in the beginning of the
1699           line of a package is ticked.
1700
1701       Display configuration buttons
1702           To the right there are three buttons: select all packages, select
1703           none (a.k.a. deselect all), and reset all these filters to the
1704           defaults, i.e., show all available.
1705
1706       Package list area
1707
1708       The second are of the main display lists all installed packages.  If a
1709       repository is loaded, those that are available but not installed are
1710       also listed.
1711
1712       Double clicking on a package line pops up an informational window with
1713       further details: the long description, included files, etc.
1714
1715       Each line of the package list consists of the following items:
1716
1717       a checkbox
1718           Used to select particular packages; some of the action buttons (see
1719           below) work only on the selected packages.
1720
1721       package name
1722           The name (identifier) of the package as given in the database.
1723
1724       local revision (and version)
1725           If the package is installed the TeX Live revision number for the
1726           installed package will be shown.  If there is a catalogue version
1727           given in the database for this package, it will be shown in
1728           parentheses.  However, the catalogue version, unlike the TL
1729           revision, is not guaranteed to reflect what is actually installed.
1730
1731       remote revision (and version)
1732           If a repository has been loaded the revision of the package in the
1733           repository (if present) is shown.  As with the local column, if a
1734           catalogue version is provided it will be displayed.  And also as
1735           with the local column, the catalogue version may be stale.
1736
1737       short description
1738           The short description of the package.
1739
1740       Main display action buttons
1741
1742       Below the list of packages are several buttons:
1743
1744       Update all installed
1745           This calls "tlmgr update --all", i.e., tries to update all
1746           available packages.  Below this button is a toggle to allow
1747           reinstallation of previously removed packages as part of this
1748           action.
1749
1750           The other four buttons only work on the selected packages, i.e.,
1751           those where the checkbox at the beginning of the package line is
1752           ticked.
1753
1754       Update
1755           Update only the selected packages.
1756
1757       Install
1758           Install the selected packages; acts like "tlmgr install", i.e.,
1759           also installs dependencies.  Thus, installing a collection installs
1760           all its constituent packages.
1761
1762       Remove
1763           Removes the selected packages; acts like "tlmgr remove", i.e., it
1764           will also remove dependencies of collections (but not dependencies
1765           of normal packages).
1766
1767       Backup
1768           Makes a backup of the selected packages; acts like "tlmgr backup".
1769           This action needs the option "backupdir" set (see "Options -"
1770           General>).
1771
1772   Menu bar
1773       The following entries can be found in the menu bar:
1774
1775       "tlmgr" menu
1776           The items here load various repositories: the default as specified
1777           in the TeX Live database, the default network repository, the
1778           repository specified on the command line (if any), and an
1779           arbitrarily manually-entered one.  Also has the so-necessary "quit"
1780           operation.
1781
1782       "Options menu"
1783           Provides access to several groups of options: "Paper"
1784           (configuration of default paper sizes), "Platforms" (only on Unix,
1785           configuration of the supported/installed platforms), "GUI Language"
1786           (select language used in the GUI interface), and "General"
1787           (everything else).
1788
1789           Several toggles are also here.  The first is "Expert options",
1790           which is set by default.  If you turn this off, the next time you
1791           start the GUI a simplified screen will be shown that display only
1792           the most important functionality.  This setting is saved in the
1793           configuration file of "tlmgr"; see "CONFIGURATION FILE FOR TLMGR"
1794           for details.
1795
1796           The other toggles are all off by default: for debugging output, to
1797           disable the automatic installation of new packages, and to disable
1798           the automatic removal of packages deleted from the server.  Playing
1799           with the choices of what is or isn't installed may lead to an
1800           inconsistent TeX Live installation; e.g., when a package is
1801           renamed.
1802
1803       "Actions menu"
1804           Provides access to several actions: update the filename database
1805           (aka "ls-R", "mktexlsr", "texhash"), rebuild all formats
1806           ("fmtutil-sys --all"), update the font map database ("updmap-sys"),
1807           restore from a backup of a package, and use of symbolic links in
1808           system directories (not on Windows).
1809
1810           The final action is to remove the entire TeX Live installation
1811           (also not on Windows).
1812
1813       "Help menu"
1814           Provides access to the TeX Live manual (also on the web at
1815           <https://tug.org/texlive/doc.html>) and the usual ``About'' box.
1816
1817   GUI options
1818       Some generic Perl/Tk options can be specified with "tlmgr gui" to
1819       control the display:
1820
1821       "-background" color
1822           Set background color.
1823
1824       "-font "" fontname fontsize """
1825           Set font, e.g., "tlmgr gui -font "helvetica 18"".  The argument to
1826           "-font" must be quoted, i.e., passed as a single string.
1827
1828       "-foreground" color
1829           Set foreground color.
1830
1831       "-geometry" geomspec
1832           Set the X geometry, e.g., "tlmgr gui -geometry 1024x512-0+0"
1833           creates the window of (approximately) the given size in the upper-
1834           right corner of the display.
1835
1836       "-xrm" xresource
1837           Pass the arbitrary X resource string xresource.
1838
1839       A few other obscure options are recognized but not mentioned here.  See
1840       the Perl/Tk documentation (<https://search.cpan.org/perldoc?Tk>) for
1841       the complete list, and any X documentation for general information.
1842

MACHINE-READABLE OUTPUT

1844       With the "--machine-readable" option, "tlmgr" writes to stdout in the
1845       fixed line-oriented format described here, and the usual informational
1846       messages for human consumption are written to stderr (normally they are
1847       written to stdout).  The idea is that a program can get all the
1848       information it needs by reading stdout.
1849
1850       Currently this option only applies to the update, install, and "option"
1851       actions.
1852
1853   Machine-readable "update" and "install" output
1854       The output format is as follows:
1855
1856         fieldname "\t" value
1857         ...
1858         "end-of-header"
1859         pkgname status localrev serverrev size runtime esttot
1860         ...
1861         "end-of-updates"
1862         other output from post actions, not in machine readable form
1863
1864       The header section currently has two fields: "location-url" (the
1865       repository source from which updates are being drawn), and
1866       "total-bytes" (the total number of bytes to be downloaded).
1867
1868       The localrev and serverrev fields for each package are the revision
1869       numbers in the local installation and server repository, respectively.
1870       The size field is the number of bytes to be downloaded, i.e., the size
1871       of the compressed tar file for a network installation, not the unpacked
1872       size. The runtime and esttot fields are only present for updated and
1873       auto-install packages, and contain the currently passed time since
1874       start of installation/updates and the estimated total time.
1875
1876       Line endings may be either LF or CRLF depending on the current
1877       platform.
1878
1879       "location-url" location
1880           The location may be a url (including "file:///foo/bar/..."), or a
1881           directory name ("/foo/bar").  It is the package repository from
1882           which the new package information was drawn.
1883
1884       "total-bytes" count
1885           The count is simply a decimal number, the sum of the sizes of all
1886           the packages that need updating or installing (which are listed
1887           subsequently).
1888
1889       Then comes a line with only the literal string "end-of-header".
1890
1891       Each following line until a line with literal string "end-of-updates"
1892       reports on one package.  The fields on each line are separated by a
1893       tab.  Here are the fields.
1894
1895       pkgname
1896           The TeX Live package identifier, with a possible platform suffix
1897           for executables.  For instance, "pdftex" and "pdftex.i386-linux"
1898           are given as two separate packages, one on each line.
1899
1900       status
1901           The status of the package update.  One character, as follows:
1902
1903           "d"     The package was removed on the server.
1904
1905           "f"     The package was removed in the local installation, even
1906                   though a collection depended on it.  (E.g., the user ran
1907                   "tlmgr remove --force".)
1908
1909           "u"     Normal update is needed.
1910
1911           "r"     Reversed non-update: the locally-installed version is newer
1912                   than the version on the server.
1913
1914           "a"     Automatically-determined need for installation, the package
1915                   is new on the server and is (most probably) part of an
1916                   installed collection.
1917
1918           "i"     Package will be installed and isn't present in the local
1919                   installation (action install).
1920
1921           "I"     Package is already present but will be reinstalled (action
1922                   install).
1923
1924       localrev
1925           The revision number of the installed package, or "-" if it is not
1926           present locally.
1927
1928       serverrev
1929           The revision number of the package on the server, or "-" if it is
1930           not present on the server.
1931
1932       size
1933           The size in bytes of the package on the server.  The sum of all the
1934           package sizes is given in the "total-bytes" header field mentioned
1935           above.
1936
1937       runtime
1938           The run time since start of installations or updates.
1939
1940       esttot
1941           The estimated total time.
1942
1943   Machine-readable "option" output
1944       The output format is as follows:
1945
1946         key "\t" value
1947
1948       If a value is not saved in the database the string "(not set)" is
1949       shown.
1950
1951       If you are developing a program that uses this output, and find that
1952       changes would be helpful, do not hesitate to write the mailing list.
1953

ENVIRONMENT VARIABLES

1955       "tlmgr" uses many of the standard TeX environment variables, as
1956       reported by, e.g., "tlmgr conf" ("conf").
1957
1958       In addition, for ease in scripting and debugging, "tlmgr" looks for the
1959       following environment variables. These are not of interest for normal
1960       user installations.
1961
1962       "TEXLIVE_COMPRESSOR"
1963           This variable allows selecting a different compressor program for
1964           backups and intermediate rollback containers. The order of
1965           selection is:
1966
1967           1.      If the environment variable "TEXLIVE_COMPRESSOR" is
1968                   defined, use it; abort if it doesn't work. Possible values:
1969                   "lz4", "gzip", "xz". The necessary options are added
1970                   internally.
1971
1972           2.      If lz4 is available (either from the system or TL) and
1973                   working, use that.
1974
1975           3.      If gzip is available (from the system) and working, use
1976                   that.
1977
1978           4.      If xz is available (either from the system or TL) and
1979                   working, use that.
1980
1981           lz4 and gzip are faster in creating tlmgr's local backups, hence
1982           they are preferred. The unconditional use of xz for the tlnet
1983           containers is unaffected, to minimize download sizes.
1984
1985       "TEXLIVE_DOWNLOADER"
1986       "TL_DOWNLOAD_PROGRAM"
1987       "TL_DOWNLOAD_ARGS"
1988           These options allow selecting different download programs then the
1989           ones automatically selected by the installer. The order of
1990           selection is:
1991
1992           1.      If the environment variable "TEXLIVE_DOWNLOADER" is
1993                   defined, use it; abort if the specified program doesn't
1994                   work. Possible values: "lwp", "curl", "wget". The necessary
1995                   options are added internally.
1996
1997           2.      If the environment variable "TL_DOWNLOAD_PROGRAM" is
1998                   defined (can be any value), use it together with
1999                   "TL_DOWNLOAD_ARGS"; abort if it doesn't work.
2000
2001           3.      If LWP is available and working, use that (by far the most
2002                   efficient method, as it supports persistent downloads).
2003
2004           4.      If curl is available (from the system) and working, use
2005                   that.
2006
2007           5.      If wget is available (either from the system or TL) and
2008                   working, use that.
2009
2010           TL provides "wget" binaries for platforms where necessary, so some
2011           download method should always be available.
2012
2013       "TEXLIVE_PREFER_OWN"
2014           By default, compression and download programs provided by the
2015           system, i.e., found along "PATH" are preferred over those shipped
2016           with TeX Live.
2017
2018           This can create problems with systems that are too old, and so can
2019           be overridden by setting the environment variable
2020           "TEXLIVE_PREFER_OWN" to 1. In this case, executables shipped with
2021           TL will be preferred.
2022
2023           Extra compression/download programs not provided by TL, such as
2024           gzip, lwp, and curl, are still checked for on the system and used
2025           if available, per the above. "TEXLIVE_PREFER_OWN" only applies when
2026           the program being checked for is shipped with TL, namely the lz4
2027           and xz compressors and wget downloader.
2028
2029           Exception: on Windows, the "tar.exe" shipped with TL is always
2030           used, regardless of any setting.
2031
2033       This script and its documentation were written for the TeX Live
2034       distribution (<https://tug.org/texlive>) and both are licensed under
2035       the GNU General Public License Version 2 or later.
2036
2037       $Id: tlmgr.pl 63033 2022-04-15 05:19:42Z preining $
2038
2039
2040
2041perl v5.34.0                      2022-04-15                          TLMGR(1)
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