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git-prune(1)
============
NAME
----
git-prune - Prunes all unreachable objects from the object database
SYNOPSIS
--------
'git-prune' [-n] [--] [<head>...]
DESCRIPTION
-----------
This runs `git-fsck-objects --unreachable` using the heads
specified on the command line (or `$GIT_DIR/refs/heads/\*` and
`$GIT_DIR/refs/tags/\*` if none is specified), and prunes all
unreachable objects from the object database. In addition, it
prunes the unpacked objects that are also found in packs by
running `git prune-packed`.
OPTIONS
-------
-n::
Do not remove anything; just report what it would
remove.
--::
Do not interpret any more arguments as options.
<head>...::
Instead of keeping objects
reachable from any of our references, keep objects
reachable from only listed <head>s.
+
Note that the explicitly named <head>s are *not* appended to the
default set of references, but they replace them. In general you
would want to say `git prune $(git-rev-parse --all) extra1
extra2` to keep chains of commits leading to extra1, extra2,
... in addition to what are reachable from your own refs.
Saying `git prune extra1 extra2` would *lose* objects reachable
only from the usual refs, which is usually not what you want.
EXAMPLE
-------
To prune objects not used by your repository and another that
borrows from your repository via its
`.git/objects/info/alternates`:
------------
$ git prune $(git-rev-parse --all) \
$(cd ../another && $(git-rev-parse --all))
------------
Author
------
Written by Linus Torvalds <torvalds@osdl.org>
Documentation
--------------
Documentation by David Greaves, Junio C Hamano and the git-list <git@vger.kernel.org>.
GIT
---
Part of the gitlink:git[7] suite
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