git-checkout: do not allow -f and -m at the same time.
[git/jnareb-git.git] / git-repack.sh
blobf150a558ca7a7a659f4eb88be3a275e1a4e87337
1 #!/bin/sh
3 # Copyright (c) 2005 Linus Torvalds
6 USAGE='[-a] [-d] [-f] [-l] [-n] [-q] [--window=N] [--depth=N]'
7 SUBDIRECTORY_OK='Yes'
8 . git-sh-setup
10 no_update_info= all_into_one= remove_redundant=
11 local= quiet= no_reuse_delta= extra=
12 while case "$#" in 0) break ;; esac
14 case "$1" in
15 -n) no_update_info=t ;;
16 -a) all_into_one=t ;;
17 -d) remove_redundant=t ;;
18 -q) quiet=-q ;;
19 -f) no_reuse_delta=--no-reuse-delta ;;
20 -l) local=--local ;;
21 --window=*) extra="$extra $1" ;;
22 --depth=*) extra="$extra $1" ;;
23 *) usage ;;
24 esac
25 shift
26 done
28 # Later we will default repack.UseDeltaBaseOffset to true
29 default_dbo=false
31 case "`git repo-config --bool repack.usedeltabaseoffset ||
32 echo $default_dbo`" in
33 true)
34 extra="$extra --delta-base-offset" ;;
35 esac
37 PACKDIR="$GIT_OBJECT_DIRECTORY/pack"
38 PACKTMP="$GIT_DIR/.tmp-$$-pack"
39 rm -f "$PACKTMP"-*
40 trap 'rm -f "$PACKTMP"-*' 0 1 2 3 15
42 # There will be more repacking strategies to come...
43 case ",$all_into_one," in
44 ,,)
45 args='--unpacked --incremental'
47 ,t,)
48 if [ -d "$PACKDIR" ]; then
49 for e in `cd "$PACKDIR" && find . -type f -name '*.pack' \
50 | sed -e 's/^\.\///' -e 's/\.pack$//'`
52 if [ -e "$PACKDIR/$e.keep" ]; then
53 : keep
54 else
55 args="$args --unpacked=$e.pack"
56 existing="$existing $e"
58 done
60 [ -z "$args" ] && args='--unpacked --incremental'
62 esac
64 args="$args $local $quiet $no_reuse_delta$extra"
65 name=$(git-pack-objects --non-empty --all $args </dev/null "$PACKTMP") ||
66 exit 1
67 if [ -z "$name" ]; then
68 echo Nothing new to pack.
69 else
70 if test "$quiet" != '-q'; then
71 echo "Pack pack-$name created."
73 mkdir -p "$PACKDIR" || exit
75 for sfx in pack idx
77 if test -f "$PACKDIR/pack-$name.$sfx"
78 then
79 mv -f "$PACKDIR/pack-$name.$sfx" \
80 "$PACKDIR/old-pack-$name.$sfx"
82 done &&
83 mv -f "$PACKTMP-$name.pack" "$PACKDIR/pack-$name.pack" &&
84 mv -f "$PACKTMP-$name.idx" "$PACKDIR/pack-$name.idx" &&
85 test -f "$PACKDIR/pack-$name.pack" &&
86 test -f "$PACKDIR/pack-$name.idx" || {
87 echo >&2 "Couldn't replace the existing pack with updated one."
88 echo >&2 "The original set of packs have been saved as"
89 echo >&2 "old-pack-$name.{pack,idx} in $PACKDIR."
90 exit 1
92 rm -f "$PACKDIR/old-pack-$name.pack" "$PACKDIR/old-pack-$name.idx"
95 if test "$remove_redundant" = t
96 then
97 # We know $existing are all redundant.
98 if [ -n "$existing" ]
99 then
100 sync
101 ( cd "$PACKDIR" &&
102 for e in $existing
104 case "$e" in
105 pack-$name) ;;
106 *) rm -f "$e.pack" "$e.idx" "$e.keep" ;;
107 esac
108 done
111 git-prune-packed
114 case "$no_update_info" in
115 t) : ;;
116 *) git-update-server-info ;;
117 esac