Do not merge random set of refs out of wildcarded refs
[gitweb.git] / git-repack.sh
index b525fc5dfd9053a6fb63a4d38517e25e75341199..375434b1dcdd3183c85b1278c4415e9136508192 100755 (executable)
@@ -3,7 +3,8 @@
 # Copyright (c) 2005 Linus Torvalds
 #
 
-USAGE='[-a] [-d] [-f] [-l] [-n] [-q]'
+USAGE='[-a] [-d] [-f] [-l] [-n] [-q] [--window=N] [--depth=N]'
+SUBDIRECTORY_OK='Yes'
 . git-sh-setup
 
 no_update_info= all_into_one= remove_redundant=
@@ -24,6 +25,15 @@ do
        shift
 done
 
+# Later we will default repack.UseDeltaBaseOffset to true
+default_dbo=false
+
+case "`git repo-config --bool repack.usedeltabaseoffset ||
+       echo $default_dbo`" in
+true)
+       extra="$extra --delta-base-offset" ;;
+esac
+
 PACKDIR="$GIT_OBJECT_DIRECTORY/pack"
 PACKTMP="$GIT_DIR/.tmp-$$-pack"
 rm -f "$PACKTMP"-*
@@ -32,28 +42,33 @@ trap 'rm -f "$PACKTMP"-*' 0 1 2 3 15
 # There will be more repacking strategies to come...
 case ",$all_into_one," in
 ,,)
-       rev_list='--unpacked'
-       pack_objects='--incremental'
+       args='--unpacked --incremental'
        ;;
 ,t,)
-       rev_list=
-       pack_objects=
-
-       # Redundancy check in all-into-one case is trivial.
-       existing=`test -d "$PACKDIR" && cd "$PACKDIR" && \
-           find . -type f \( -name '*.pack' -o -name '*.idx' \) -print`
+       if [ -d "$PACKDIR" ]; then
+               for e in `cd "$PACKDIR" && find . -type f -name '*.pack' \
+                       | sed -e 's/^\.\///' -e 's/\.pack$//'`
+               do
+                       if [ -e "$PACKDIR/$e.keep" ]; then
+                               : keep
+                       else
+                               args="$args --unpacked=$e.pack"
+                               existing="$existing $e"
+                       fi
+               done
+       fi
+       [ -z "$args" ] && args='--unpacked --incremental'
        ;;
 esac
 
-pack_objects="$pack_objects $local $quiet $no_reuse_delta$extra"
-name=$( { git-rev-list --objects --all $rev_list ||
-         echo "git-rev-list died with exit code $?"
-       } |
-       git-pack-objects --non-empty $pack_objects "$PACKTMP") ||
+args="$args $local $quiet $no_reuse_delta$extra"
+name=$(git-pack-objects --non-empty --all --reflog $args </dev/null "$PACKTMP") ||
        exit 1
 if [ -z "$name" ]; then
        echo Nothing new to pack.
 else
+       chmod a-w "$PACKTMP-$name.pack"
+       chmod a-w "$PACKTMP-$name.idx"
        if test "$quiet" != '-q'; then
            echo "Pack pack-$name created."
        fi
@@ -81,17 +96,16 @@ fi
 
 if test "$remove_redundant" = t
 then
-       # We know $existing are all redundant only when
-       # all-into-one is used.
-       if test "$all_into_one" != '' && test "$existing" != ''
+       # We know $existing are all redundant.
+       if [ -n "$existing" ]
        then
                sync
                ( cd "$PACKDIR" &&
                  for e in $existing
                  do
                        case "$e" in
-                       ./pack-$name.pack | ./pack-$name.idx) ;;
-                       *)      rm -f $e ;;
+                       pack-$name) ;;
+                       *)      rm -f "$e.pack" "$e.idx" "$e.keep" ;;
                        esac
                  done
                )