From: Marat Radchenko <marat@slonopotamus.org>
Date: Tue, 19 Oct 2010 07:40:40 GMT
Subject: Re: [BUG] git repack fails if .git/objects/pack is on a separate partition
Message-ID: <1287474040065-5649864.post@n2.nabble.com>
In-Reply-To: <1287473363910-5649843.post@n2.nabble.com>


Testcase:

# tell it where is other partition
OTHER_PARTITION=/path/to/other/partition/

# init repo
mkdir foo && cd foo && git init

# put some stuff and run gc to create packfile
cp /etc/fstab . && git add fstab && git commit -m "initial" && git gc

# move pack dir to other partition and install symlink
mv .git/objects/pack $OTHER_PARTITION && ln -s $OTHER_PARTITION/pack
.git/objects/pack

# run gc (it fails)
strace -f git gc 2>&1 | grep rename

[pid  3792] rename(".git/packed-refs.lock", ".git/packed-refs") = 0
[pid  3793] rename(".git/logs/refs/heads/master.lock",
".git/logs/refs/heads/master") = 0
[pid  3793] rename(".git/logs/HEAD.lock", ".git/logs/HEAD") = 0
[pid  3808] rename(".git/objects/pack/tmp_pack_8ZhS92",
"/home/marat/foo/.git/objects/.tmp-3795-pack-da13ceb9f70c2762595a7a2932411db339bdab46.pack")
= -1 EXDEV (Invalid cross-device link)
[pid  3808] write(2, "fatal: unable to rename temporar"..., 71fatal: unable
to rename temporary pack file: Invalid cross-device link

So you see, it tries to move packfile from .git/objects/pack to .git/objects
-- 
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