1GIT-MULTI-PACK-IN(1) Git Manual GIT-MULTI-PACK-IN(1)
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6 git-multi-pack-index - Write and verify multi-pack-indexes
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9 git multi-pack-index [--object-dir=<dir>] [--[no-]progress] <subcommand>
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12 Write or verify a multi-pack-index (MIDX) file.
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15 --object-dir=<dir>
16 Use given directory for the location of Git objects. We check
17 <dir>/packs/multi-pack-index for the current MIDX file, and
18 <dir>/packs for the pack-files to index.
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20 --[no-]progress
21 Turn progress on/off explicitly. If neither is specified, progress
22 is shown if standard error is connected to a terminal.
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24 The following subcommands are available:
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26 write
27 Write a new MIDX file.
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29 verify
30 Verify the contents of the MIDX file.
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32 expire
33 Delete the pack-files that are tracked by the MIDX file, but have
34 no objects referenced by the MIDX. Rewrite the MIDX file afterward
35 to remove all references to these pack-files.
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37 repack
38 Create a new pack-file containing objects in small pack-files
39 referenced by the multi-pack-index. If the size given by the
40 --batch-size=<size> argument is zero, then create a pack containing
41 all objects referenced by the multi-pack-index. For a non-zero
42 batch size, Select the pack-files by examining packs from
43 oldest-to-newest, computing the "expected size" by counting the
44 number of objects in the pack referenced by the multi-pack-index,
45 then divide by the total number of objects in the pack and multiply
46 by the pack size. We select packs with expected size below the
47 batch size until the set of packs have total expected size at least
48 the batch size. If the total size does not reach the batch size,
49 then do nothing. If a new pack- file is created, rewrite the
50 multi-pack-index to reference the new pack-file. A later run of git
51 multi-pack-index expire will delete the pack-files that were part
52 of this batch.
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55 · Write a MIDX file for the packfiles in the current .git folder.
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57 $ git multi-pack-index write
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59 · Write a MIDX file for the packfiles in an alternate object store.
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61 $ git multi-pack-index --object-dir <alt> write
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63 · Verify the MIDX file for the packfiles in the current .git folder.
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65 $ git multi-pack-index verify
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68 See The Multi-Pack-Index Design Document[1] and The Multi-Pack-Index
69 Format[2] for more information on the multi-pack-index feature.
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72 Part of the git(1) suite
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75 1. The Multi-Pack-Index Design Document
76 file:///usr/share/doc/git/technical/multi-pack-index.html
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78 2. The Multi-Pack-Index Format
79 file:///usr/share/doc/git/technical/pack-format.html
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83Git 2.26.2 2020-04-20 GIT-MULTI-PACK-IN(1)