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

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

SYNOPSIS
       git pack-refs [--all] [--no-prune]

DESCRIPTION
       Traditionally, tips of branches and tags	(collectively known as refs)
       were stored one file per	ref in a (sub)directory	under $GIT_DIR/refs
       directory. While	many branch tips tend to be updated often, most	tags
       and some	branch tips are	never updated. When a repository has hundreds
       or thousands of tags, this one-file-per-ref format both wastes storage
       and hurts performance.

       This command is used to solve the storage and performance problem by
       storing the refs	in a single file, $GIT_DIR/packed-refs.	When a ref is
       missing from the	traditional $GIT_DIR/refs directory hierarchy, it is
       looked up in this file and used if found.

       Subsequent updates to branches always create new	files under
       $GIT_DIR/refs directory hierarchy.

       A recommended practice to deal with a repository	with too many refs is
       to pack its refs	with --all once, and occasionally run git pack-refs.
       Tags are	by definition stationary and are not expected to change.
       Branch heads will be packed with	the initial pack-refs --all, but only
       the currently active branch heads will become unpacked, and the next
       pack-refs (without --all) will leave them unpacked.

OPTIONS
       --all
	   The command by default packs	all tags and refs that are already
	   packed, and leaves other refs alone.	This is	because	branches are
	   expected to be actively developed and packing their tips does not
	   help	performance. This option causes	branch tips to be packed as
	   well. Useful	for a repository with many branches of historical
	   interests.

       --no-prune
	   The command usually removes loose refs under	$GIT_DIR/refs
	   hierarchy after packing them. This option tells it not to.

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

GIT
       Part of the git(1) suite

Git 2.13.2			  06/24/2017		      GIT-PACK-REFS(1)

NAME | SYNOPSIS | DESCRIPTION | OPTIONS | BUGS | GIT

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