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130 lines
2.9 KiB
130 lines
2.9 KiB
#!/bin/sh |
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# |
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# Copyright (c) 2005 Linus Torvalds |
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# |
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USAGE='[-a|-A] [-d] [-f] [-l] [-n] [-q] [--max-pack-size=N] [--window=N] [--window-memory=N] [--depth=N]' |
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SUBDIRECTORY_OK='Yes' |
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. git-sh-setup |
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no_update_info= all_into_one= remove_redundant= keep_unreachable= |
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local= quiet= no_reuse= extra= |
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while test $# != 0 |
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do |
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case "$1" in |
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-n) no_update_info=t ;; |
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-a) all_into_one=t ;; |
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-A) all_into_one=t |
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keep_unreachable=--keep-unreachable ;; |
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-d) remove_redundant=t ;; |
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-q) quiet=-q ;; |
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-f) no_reuse=--no-reuse-object ;; |
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-l) local=--local ;; |
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--max-pack-size=*) extra="$extra $1" ;; |
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--window=*) extra="$extra $1" ;; |
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--window-memory=*) extra="$extra $1" ;; |
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--depth=*) extra="$extra $1" ;; |
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*) usage ;; |
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esac |
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shift |
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done |
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# Later we will default repack.UseDeltaBaseOffset to true |
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default_dbo=false |
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case "`git config --bool repack.usedeltabaseoffset || |
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echo $default_dbo`" in |
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true) |
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extra="$extra --delta-base-offset" ;; |
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esac |
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PACKDIR="$GIT_OBJECT_DIRECTORY/pack" |
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PACKTMP="$GIT_OBJECT_DIRECTORY/.tmp-$$-pack" |
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rm -f "$PACKTMP"-* |
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trap 'rm -f "$PACKTMP"-*' 0 1 2 3 15 |
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# There will be more repacking strategies to come... |
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case ",$all_into_one," in |
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,,) |
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args='--unpacked --incremental' |
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;; |
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,t,) |
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if [ -d "$PACKDIR" ]; then |
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for e in `cd "$PACKDIR" && find . -type f -name '*.pack' \ |
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| sed -e 's/^\.\///' -e 's/\.pack$//'` |
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do |
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if [ -e "$PACKDIR/$e.keep" ]; then |
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: keep |
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else |
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args="$args --unpacked=$e.pack" |
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existing="$existing $e" |
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fi |
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done |
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fi |
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if test -z "$args" |
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then |
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args='--unpacked --incremental' |
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elif test -n "$keep_unreachable" |
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then |
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args="$args $keep_unreachable" |
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fi |
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;; |
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esac |
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args="$args $local $quiet $no_reuse$extra" |
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names=$(git pack-objects --non-empty --all --reflog $args </dev/null "$PACKTMP") || |
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exit 1 |
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if [ -z "$names" ]; then |
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if test -z "$quiet"; then |
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echo Nothing new to pack. |
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fi |
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fi |
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for name in $names ; do |
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fullbases="$fullbases pack-$name" |
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chmod a-w "$PACKTMP-$name.pack" |
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chmod a-w "$PACKTMP-$name.idx" |
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mkdir -p "$PACKDIR" || exit |
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for sfx in pack idx |
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do |
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if test -f "$PACKDIR/pack-$name.$sfx" |
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then |
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mv -f "$PACKDIR/pack-$name.$sfx" \ |
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"$PACKDIR/old-pack-$name.$sfx" |
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fi |
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done && |
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mv -f "$PACKTMP-$name.pack" "$PACKDIR/pack-$name.pack" && |
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mv -f "$PACKTMP-$name.idx" "$PACKDIR/pack-$name.idx" && |
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test -f "$PACKDIR/pack-$name.pack" && |
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test -f "$PACKDIR/pack-$name.idx" || { |
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echo >&2 "Couldn't replace the existing pack with updated one." |
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echo >&2 "The original set of packs have been saved as" |
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echo >&2 "old-pack-$name.{pack,idx} in $PACKDIR." |
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exit 1 |
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} |
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rm -f "$PACKDIR/old-pack-$name.pack" "$PACKDIR/old-pack-$name.idx" |
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done |
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if test "$remove_redundant" = t |
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then |
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# We know $existing are all redundant. |
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if [ -n "$existing" ] |
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then |
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sync |
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( cd "$PACKDIR" && |
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for e in $existing |
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do |
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case " $fullbases " in |
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*" $e "*) ;; |
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*) rm -f "$e.pack" "$e.idx" "$e.keep" ;; |
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esac |
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done |
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) |
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fi |
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git prune-packed $quiet |
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fi |
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case "$no_update_info" in |
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t) : ;; |
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*) git-update-server-info ;; |
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esac
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