9ae5092208aab167f9164dd729297d92fa4948c6
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 $1" ;;
22 *) usage ;;
23 esac
24 shift
25done
26
27PACKDIR="$GIT_OBJECT_DIRECTORY/pack"
28PACKTMP="$GIT_DIR/.tmp-$$-pack"
29rm -f "$PACKTMP"-*
30trap 'rm -f "$PACKTMP"-*' 0 1 2 3 15
31
32# There will be more repacking strategies to come...
33case ",$all_into_one," in
34,,)
35 args='--unpacked --incremental'
36 ;;
37,t,)
38 args=
39
40 # Redundancy check in all-into-one case is trivial.
41 existing=`test -d "$PACKDIR" && cd "$PACKDIR" && \
42 find . -type f \( -name '*.pack' -o -name '*.idx' \) -print`
43 ;;
44esac
45
46args="$args $local $quiet $no_reuse_delta$extra"
47name=$(git-pack-objects --non-empty --all $args </dev/null "$PACKTMP") ||
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.$sfx"
63 fi
64 done &&
65 mv -f "$PACKTMP-$name.pack" "$PACKDIR/pack-$name.pack" &&
66 mv -f "$PACKTMP-$name.idx" "$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