1GIT-PACK-REFS(1)                  Git Manual                  GIT-PACK-REFS(1)
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NAME

6       git-pack-refs - Pack heads and tags for efficient repository access
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SYNOPSIS

9       git pack-refs [--all] [--no-prune]
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DESCRIPTION

12       Traditionally, tips of branches and tags (collectively known as refs)
13       were stored one file per ref in a (sub)directory under $GIT_DIR/refs
14       directory. While many branch tips tend to be updated often, most tags
15       and some branch tips are never updated. When a repository has hundreds
16       or thousands of tags, this one-file-per-ref format both wastes storage
17       and hurts performance.
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19       This command is used to solve the storage and performance problem by
20       storing the refs in a single file, $GIT_DIR/packed-refs. When a ref is
21       missing from the traditional $GIT_DIR/refs directory hierarchy, it is
22       looked up in this file and used if found.
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24       Subsequent updates to branches always create new files under
25       $GIT_DIR/refs directory hierarchy.
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27       A recommended practice to deal with a repository with too many refs is
28       to pack its refs with --all once, and occasionally run git pack-refs.
29       Tags are by definition stationary and are not expected to change.
30       Branch heads will be packed with the initial pack-refs --all, but only
31       the currently active branch heads will become unpacked, and the next
32       pack-refs (without --all) will leave them unpacked.
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OPTIONS

35       --all
36           The command by default packs all tags and refs that are already
37           packed, and leaves other refs alone. This is because branches are
38           expected to be actively developed and packing their tips does not
39           help performance. This option causes branch tips to be packed as
40           well. Useful for a repository with many branches of historical
41           interests.
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43       --no-prune
44           The command usually removes loose refs under $GIT_DIR/refs
45           hierarchy after packing them. This option tells it not to.
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BUGS

48       Older documentation written before the packed-refs mechanism was
49       introduced may still say things like ".git/refs/heads/<branch> file
50       exists" when it means "branch <branch> exists".
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GIT

53       Part of the git(1) suite
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57Git 2.31.1                        2021-03-26                  GIT-PACK-REFS(1)
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