git-send-email: Add --thread option
[git/aroben.git] / git-repack.sh
blob8c32724be75b77f145106f96257afccb56cfc1ef
1 #!/bin/sh
3 # Copyright (c) 2005 Linus Torvalds
6 USAGE='[-a] [-d] [-f] [-l] [-n] [-q] [--max-pack-size=N] [--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= extra=
12 while case "$#" in 0) break ;; esac
14 case "$1" in
15 -n) no_update_info=t ;;
16 -a) all_into_one=t ;;
17 -d) remove_redundant=t ;;
18 -q) quiet=-q ;;
19 -f) no_reuse=--no-reuse-object ;;
20 -l) local=--local ;;
21 --max-pack-size=*) extra="$extra $1" ;;
22 --window=*) extra="$extra $1" ;;
23 --depth=*) extra="$extra $1" ;;
24 *) usage ;;
25 esac
26 shift
27 done
29 # Later we will default repack.UseDeltaBaseOffset to true
30 default_dbo=false
32 case "`git config --bool repack.usedeltabaseoffset ||
33 echo $default_dbo`" in
34 true)
35 extra="$extra --delta-base-offset" ;;
36 esac
38 PACKDIR="$GIT_OBJECT_DIRECTORY/pack"
39 PACKTMP="$GIT_OBJECT_DIRECTORY/.tmp-$$-pack"
40 rm -f "$PACKTMP"-*
41 trap 'rm -f "$PACKTMP"-*' 0 1 2 3 15
43 # There will be more repacking strategies to come...
44 case ",$all_into_one," in
45 ,,)
46 args='--unpacked --incremental'
48 ,t,)
49 if [ -d "$PACKDIR" ]; then
50 for e in `cd "$PACKDIR" && find . -type f -name '*.pack' \
51 | sed -e 's/^\.\///' -e 's/\.pack$//'`
53 if [ -e "$PACKDIR/$e.keep" ]; then
54 : keep
55 else
56 args="$args --unpacked=$e.pack"
57 existing="$existing $e"
59 done
61 [ -z "$args" ] && args='--unpacked --incremental'
63 esac
65 args="$args $local $quiet $no_reuse$extra"
66 names=$(git-pack-objects --non-empty --all --reflog $args </dev/null "$PACKTMP") ||
67 exit 1
68 if [ -z "$names" ]; then
69 echo Nothing new to pack.
71 for name in $names ; do
72 fullbases="$fullbases pack-$name"
73 chmod a-w "$PACKTMP-$name.pack"
74 chmod a-w "$PACKTMP-$name.idx"
75 if test "$quiet" != '-q'; then
76 echo "Pack pack-$name created."
78 mkdir -p "$PACKDIR" || exit
80 for sfx in pack idx
82 if test -f "$PACKDIR/pack-$name.$sfx"
83 then
84 mv -f "$PACKDIR/pack-$name.$sfx" \
85 "$PACKDIR/old-pack-$name.$sfx"
87 done &&
88 mv -f "$PACKTMP-$name.pack" "$PACKDIR/pack-$name.pack" &&
89 mv -f "$PACKTMP-$name.idx" "$PACKDIR/pack-$name.idx" &&
90 test -f "$PACKDIR/pack-$name.pack" &&
91 test -f "$PACKDIR/pack-$name.idx" || {
92 echo >&2 "Couldn't replace the existing pack with updated one."
93 echo >&2 "The original set of packs have been saved as"
94 echo >&2 "old-pack-$name.{pack,idx} in $PACKDIR."
95 exit 1
97 rm -f "$PACKDIR/old-pack-$name.pack" "$PACKDIR/old-pack-$name.idx"
98 done
100 if test "$remove_redundant" = t
101 then
102 # We know $existing are all redundant.
103 if [ -n "$existing" ]
104 then
105 sync
106 ( cd "$PACKDIR" &&
107 for e in $existing
109 case " $fullbases " in
110 *" $e "*) ;;
111 *) rm -f "$e.pack" "$e.idx" "$e.keep" ;;
112 esac
113 done
116 git-prune-packed $quiet
119 case "$no_update_info" in
120 t) : ;;
121 *) git-update-server-info ;;
122 esac