git-repack.sh

   1 #!/bin/sh
   2 #
   3 # Copyright (c) 2005 Linus Torvalds
   4 #
   5
   6 USAGE='[-a] [-d] [-l] [-n]'
   7 . git-sh-setup
   8
   9 no_update_info= all_into_one= remove_redundant= local=
  10 while case "$#" in 0) break ;; esac
  11 do
  12         case "$1" in
  13         -n)     no_update_info=t ;;
  14         -a)     all_into_one=t ;;
  15         -d)     remove_redundant=t ;;
  16         -l)     local=t ;;
  17         *)      usage ;;
  18         esac
  19         shift
  20 done
  21
  22 rm -f .tmp-pack-*
  23 PACKDIR="$GIT_OBJECT_DIRECTORY/pack"
  24
  25 # There will be more repacking strategies to come...
  26 case ",$all_into_one," in
  27 ,,)
  28         rev_list='--unpacked'
  29         rev_parse='--all'
  30         pack_objects='--incremental'
  31         ;;
  32 ,t,)
  33         rev_list=
  34         rev_parse='--all'
  35         pack_objects=
  36
  37         # Redundancy check in all-into-one case is trivial.
  38         existing=`cd "$PACKDIR" && \
  39             find . -type f \( -name '*.pack' -o -name '*.idx' \) -print`
  40         ;;
  41 esac
  42 if [ "$local" ]; then
  43         pack_objects="$pack_objects --local"
  44 fi
  45 name=$(git-rev-list --objects $rev_list $(git-rev-parse $rev_parse) 2>&1 |
  46         git-pack-objects --non-empty $pack_objects .tmp-pack) ||
  47         exit 1
  48 if [ -z "$name" ]; then
  49         echo Nothing new to pack.
  50         exit 0
  51 fi
  52 echo "Pack pack-$name created."
  53
  54 mkdir -p "$PACKDIR" || exit
  55
  56 mv .tmp-pack-$name.pack "$PACKDIR/pack-$name.pack" &&
  57 mv .tmp-pack-$name.idx  "$PACKDIR/pack-$name.idx" ||
  58 exit
  59
  60 if test "$remove_redundant" = t
  61 then
  62         # We know $existing are all redundant only when
  63         # all-into-one is used.
  64         if test "$all_into_one" != '' && test "$existing" != ''
  65         then
  66                 sync
  67                 ( cd "$PACKDIR" &&
  68                   for e in $existing
  69                   do
  70                         case "$e" in
  71                         ./pack-$name.pack | ./pack-$name.idx) ;;
  72                         *)      rm -f $e ;;
  73                         esac
  74                   done
  75                 )
  76         fi
  77 fi
  78
  79 case "$no_update_info" in
  80 t) : ;;
  81 *) git-update-server-info ;;
  82 esac