git-repack.sh

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