git-repack.shon commit git-commit: document --amend (ae5d847)
   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=
  11while case "$#" in 0) break ;; esac
  12do
  13        case "$1" in
  14        -n)     no_update_info=t ;;
  15        -a)     all_into_one=t ;;
  16        -d)     remove_redundant=t ;;
  17        -q)     quiet=-q ;;
  18        -f)     no_reuse_delta=--no-reuse-delta ;;
  19        -l)     local=--local ;;
  20        *)      usage ;;
  21        esac
  22        shift
  23done
  24
  25rm -f .tmp-pack-*
  26PACKDIR="$GIT_OBJECT_DIRECTORY/pack"
  27
  28# There will be more repacking strategies to come...
  29case ",$all_into_one," in
  30,,)
  31        rev_list='--unpacked'
  32        pack_objects='--incremental'
  33        ;;
  34,t,)
  35        rev_list=
  36        pack_objects=
  37
  38        # Redundancy check in all-into-one case is trivial.
  39        existing=`cd "$PACKDIR" && \
  40            find . -type f \( -name '*.pack' -o -name '*.idx' \) -print`
  41        ;;
  42esac
  43pack_objects="$pack_objects $local $quiet $no_reuse_delta"
  44name=$(git-rev-list --objects --all $rev_list 2>&1 |
  45        git-pack-objects --non-empty $pack_objects .tmp-pack) ||
  46        exit 1
  47if [ -z "$name" ]; then
  48        echo Nothing new to pack.
  49        exit 0
  50fi
  51echo "Pack pack-$name created."
  52
  53mkdir -p "$PACKDIR" || exit
  54
  55mv .tmp-pack-$name.pack "$PACKDIR/pack-$name.pack" &&
  56mv .tmp-pack-$name.idx  "$PACKDIR/pack-$name.idx" ||
  57exit
  58
  59if test "$remove_redundant" = t
  60then
  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 $e ;;
  72                        esac
  73                  done
  74                )
  75        fi
  76        git-prune-packed
  77fi
  78
  79case "$no_update_info" in
  80t) : ;;
  81*) git-update-server-info ;;
  82esac