Andrew's git - gitweb.git/blob

   1#!/bin/sh
   2#
   3# Copyright (c) 2005 Linus Torvalds
   4#
   5
   6USAGE='[-a] [-d] [-f] [-l] [-n] [-q]'
   7. git-sh-setup
   8
   9no_update_info= all_into_one= remove_redundant=
  10local= quiet= no_reuse_delta= extra=
  11while case "$#" in 0) break ;; esac
  12do
  13        case "$1" in
  14        -n)     no_update_info=t ;;
  15        -a)     all_into_one=t ;;
  16        -d)     remove_redundant=t ;;
  17        -q)     quiet=-q ;;
  18        -f)     no_reuse_delta=--no-reuse-delta ;;
  19        -l)     local=--local ;;
  20        --window=*) extra="$extra $1" ;;
  21        --depth=*) extra="$extra $1" ;;
  22        *)      usage ;;
  23        esac
  24        shift
  25done
  26
  27rm -f .tmp-pack-*
  28PACKDIR="$GIT_OBJECT_DIRECTORY/pack"
  29
  30# There will be more repacking strategies to come...
  31case ",$all_into_one," in
  32,,)
  33        rev_list='--unpacked'
  34        pack_objects='--incremental'
  35        ;;
  36,t,)
  37        rev_list=
  38        pack_objects=
  39
  40        # Redundancy check in all-into-one case is trivial.
  41        existing=`cd "$PACKDIR" && \
  42            find . -type f \( -name '*.pack' -o -name '*.idx' \) -print`
  43        ;;
  44esac
  45pack_objects="$pack_objects $local $quiet $no_reuse_delta$extra"
  46name=$(git-rev-list --objects --all $rev_list 2>&1 |
  47        git-pack-objects --non-empty $pack_objects .tmp-pack) ||
  48        exit 1
  49if [ -z "$name" ]; then
  50        echo Nothing new to pack.
  51else
  52        if test "$quiet" != '-q'; then
  53            echo "Pack pack-$name created."
  54        fi
  55        mkdir -p "$PACKDIR" || exit
  56
  57        for sfx in pack idx
  58        do
  59                if test -f "$PACKDIR/pack-$name.$sfx"
  60                then
  61                        mv -f "$PACKDIR/pack-$name.$sfx" \
  62                                "$PACKDIR/old-pack-$name.$sfx"
  63                fi
  64        done &&
  65        mv -f .tmp-pack-$name.pack "$PACKDIR/pack-$name.pack" &&
  66        mv -f .tmp-pack-$name.idx  "$PACKDIR/pack-$name.idx" &&
  67        test -f "$PACKDIR/pack-$name.pack" &&
  68        test -f "$PACKDIR/pack-$name.idx" || {
  69                echo >&2 "Couldn't replace the existing pack with updated one."
  70                echo >&2 "The original set of packs have been saved as"
  71                echo >&2 "old-pack-$name.{pack,idx} in $PACKDIR."
  72                exit 1
  73        }
  74        rm -f "$PACKDIR/old-pack-$name.pack" "$PACKDIR/old-pack-$name.idx"
  75fi
  76
  77if test "$remove_redundant" = t
  78then
  79        # We know $existing are all redundant only when
  80        # all-into-one is used.
  81        if test "$all_into_one" != '' && test "$existing" != ''
  82        then
  83                sync
  84                ( cd "$PACKDIR" &&
  85                  for e in $existing
  86                  do
  87                        case "$e" in
  88                        ./pack-$name.pack | ./pack-$name.idx) ;;
  89                        *)      rm -f $e ;;
  90                        esac
  91                  done
  92                )
  93        fi
  94        git-prune-packed
  95fi
  96
  97case "$no_update_info" in
  98t) : ;;
  99*) git-update-server-info ;;
 100esac