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git repack leaks disk space on ENOSPC




Hi all,

I observed (again) an annoying behavior of 'git repack':
When the new pack file cannot be fully written because
the disk gets full beforehand, the tmp_pack file isn't
deleted, meaning the disk stays full:

  $ df -h .; git repack -ad; df -h .; ls -lart .git/objects/pack/tmp*; rm .git/objects/pack/tmp*; df -h .
  Filesystem                        Size  Used Avail Use% Mounted on
  /dev/mapper/vg02-localworkspaces  250G  245G  5.1G  98% /workspaces/calvin
  Counting objects: 4715349, done.
  Delta compression using up to 8 threads.
  Compressing objects: 100% (978051/978051), done.
  fatal: sha1 file '.git/objects/pack/tmp_pack_xB7DMt' write error: No space left on device
  Filesystem                        Size  Used Avail Use% Mounted on
  /dev/mapper/vg02-localworkspaces  250G  250G   20K 100% /workspaces/calvin
  -r--r--r-- 1 andrkrey users 5438435328 Oct 11 17:03 .git/objects/pack/tmp_pack_xB7DMt
  rm: remove write-protected regular file '.git/objects/pack/tmp_pack_xB7DMt'? y
  Filesystem                        Size  Used Avail Use% Mounted on
  /dev/mapper/vg02-localworkspaces  250G  245G  5.1G  98% /workspaces/calvin

- Andreas

git version 2.15.0.rc0

-- 
"Totally trivial. Famous last words."
From: Linus Torvalds <torvalds@*.org>
Date: Fri, 22 Jan 2010 07:29:21 -0800