1App::cpm::Tutorial(3pm)User Contributed Perl DocumentatioAnpp::cpm::Tutorial(3pm)
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NAME

6       App::cpm::Tutorial - How to use cpm
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SYNOPSIS

9         $ cpm install Module
10

DESCRIPTION

12       cpm is yet another CPAN client (like cpan, cpanp, and cpanm), which is
13       fast!
14
15   How to install cpm
16       From CPAN:
17
18         $ curl -fsSL https://raw.githubusercontent.com/skaji/cpm/main/cpm | perl - install -g App::cpm
19
20       Or, download a self-contained cpm:
21
22         $ curl -fsSL https://raw.githubusercontent.com/skaji/cpm/main/cpm > cpm
23         $ chmod +x cpm
24         $ ./cpm --version
25
26   First step
27         $ cpm install Plack
28
29       This command installs Plack into "./local", and you can use it by
30
31         $ perl -I$PWD/local/lib/perl5 -MPlack -E 'say Plack->VERSION'
32
33       If you want to install modules into current INC instead of "./local",
34       then use "--global/-g" option.
35
36         $ cpm install --global Plack
37
38       By default, cpm outputs only "DONE install Module" things.  If you want
39       more verbose messages, use "--verbose/-v" option.
40
41         $ cpm install --verbose Plack
42
43   Second step
44       cpm can handle version range notation like cpanm. Let's see some
45       examples.
46
47         $ cpm install Plack~'> 1.000, <= 2.000'
48         $ cpm install Plack~'== 1.0030'
49         $ cpm install Plack@1.0030  # this is an alias of ~'== 1.0030'
50
51       cpm can install dev releases (TRIAL releases).
52
53         $ cpm install Moose@dev
54
55         # if you prefer dev releases for not only Moose,
56         # but also its dependencies, then use global --dev option
57         $ cpm install --dev Moose
58
59       And cpm can install modules from git repositories directly.
60
61         $ cpm install https://github.com/skaji/Carl.git
62
63   cpanfile and dist/url/mirror/git syntax
64       If you omit arguments, and there exists "cpanfile" in the current
65       directory, then cpm loads modules from cpanfile, and install them
66
67         $ cat cpanfile
68         requires 'Moose', '2.000';
69         requires 'Plack', '> 1.000, <= 2.000';
70         $ cpm install
71
72       If you have "cpanfile.snapshot", then cpm tries to resolve distribution
73       names from it
74
75         $ cpm install -v
76         30186 DONE resolve (0.001sec) Plack -> Plack-1.0030 (from Snapshot)
77         ...
78
79       cpm supports dist/url/mirror syntax in cpanfile just like cpanminus:
80
81         requires 'Path::Class', 0.26,
82           dist => "KWILLIAMS/Path-Class-0.26.tar.gz";
83
84         # use dist + mirror
85         requires 'Cookie::Baker',
86           dist => "KAZEBURO/Cookie-Baker-0.08.tar.gz",
87           mirror => "http://cpan.cpantesters.org/";
88
89         # use the full URL
90         requires 'Try::Tiny', 0.28,
91           url => "http://backpan.perl.org/authors/id/E/ET/ETHER/Try-Tiny-0.28.tar.gz";
92
93       cpm also supports git syntax in cpanfile:
94
95         requires 'Carl', git => 'https://github.com/skaji/Carl.git';
96         requires 'App::cpm', git => 'https://login:password@github.com/skaji/cpm.git';
97         requires 'Perl::PrereqDistributionGatherer',
98           git => 'https://github.com/skaji/Perl-PrereqDistributionGatherer',
99           ref => '3850305'; # ref can be revision/branch/tag
100
101       Please note that to support git syntax in cpanfile wholly, there are
102       several TODOs.
103
104   Darkpan integration
105       There are CPAN modules that create darkpans (minicpan, CPAN mirror)
106       such as CPAN::Mini, OrePAN2, Pinto.
107
108       Such darkpans store distribution tarballs in
109
110         DARKPAN/authors/id/A/AU/AUTHOR/Module-0.01.tar.gz
111
112       and create the de facto standard index file "02packages.details.txt.gz"
113       in
114
115         DARKPAN/modules/02packages.details.txt.gz
116
117       If you want to use cpm against such darkpans, change the cpm resolver
118       by "--resolver/-r" option:
119
120         $ cpm install --resolver 02packages,http://example.com/darkpan Module
121         $ cpm install --resolver 02packages,file::///path/to/darkpan   Module
122
123       Sometimes, your darkpan is not whole CPAN mirror, but partial, so some
124       modules are missing in it.  Then append "--resolver metadb" option to
125       fall back to normal MetaDB resolver:
126
127         $ cpm install \
128            --resolver 02packages,http://example.com/darkpan \
129            --resolver metadb \
130            Module
131
132       If you host your own darkmetadb for your own darkpan, you can use it
133       too.  Then append "--resolver metadb" option to fall back to normal
134       MetaDB resolver:
135
136         $ cpm install \
137            --resolver metadb,http://example.com/darkmetadb,http://example.com/darkpan \
138            --resolver metadb \
139            Module
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143perl v5.34.1                      2022-04-27           App::cpm::Tutorial(3pm)
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