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=
   9 while case "$#" in 0) break ;; esac
  10 do
  11         case "$1" in
  12         -n)     no_update_info=t ;;
  13         -a)     all_into_one=t ;;
  14         -d)     remove_redandant=t ;;
  15         *)      break ;;
  16         esac
  17         shift
  18 done
  19
  20 rm -f .tmp-pack-*
  21 PACKDIR="$GIT_OBJECT_DIRECTORY/pack"
  22
  23 # There will be more repacking strategies to come...
  24 case ",$all_into_one," in
  25 ,,)
  26         rev_list='--unpacked'
  27         rev_parse='--all'
  28         pack_objects='--incremental'
  29         ;;
  30 ,t,)
  31         rev_list=
  32         rev_parse='--all'
  33         pack_objects=
  34         # This part is a stop-gap until we have proper pack redundancy
  35         # checker.
  36         existing=`cd "$PACKDIR" && \
  37             find . -type f \( -name '*.pack' -o -name '*.idx' \) -print`
  38         ;;
  39 esac
  40 name=$(git-rev-list --objects $rev_list $(git-rev-parse $rev_parse) |
  41         git-pack-objects --non-empty $pack_objects .tmp-pack) ||
  42         exit 1
  43 if [ -z "$name" ]; then
  44         echo Nothing new to pack.
  45         exit 0
  46 fi
  47 echo "Pack pack-$name created."
  48
  49 mkdir -p "$PACKDIR" || exit
  50
  51 mv .tmp-pack-$name.pack "$PACKDIR/pack-$name.pack" &&
  52 mv .tmp-pack-$name.idx  "$PACKDIR/pack-$name.idx" ||
  53 exit
  54
  55 if test "$remove_redandant" = t
  56 then
  57         # We know $existing are all redandant only when
  58         # all-into-one is used.
  59         if test "$all_into_one" != '' && test "$existing" != ''
  60         then
  61                 ( cd "$PACKDIR" &&
  62                   for e in $existing
  63                   do
  64                         case "$e" in
  65                         ./pack-$name.pack | ./pack-$name.idx) ;;
  66                         *)      rm -f $e ;;
  67                         esac
  68                   done
  69                 )
  70         fi
  71 fi
  72
  73 case "$no_update_info" in
  74 t) : ;;
  75 *) git-update-server-info ;;
  76 esac