Merge branch 'ja/i18n-fix'
[gitweb.git] / git-filter-branch.sh
index 41efecb284b034920b0a672be0d333a4c85189ba..5c5afa2b985e2e524601518bbb8fb8d3c8efda61 100755 (executable)
@@ -11,6 +11,8 @@
 # The following functions will also be available in the commit filter:
 
 functions=$(cat << \EOF
+EMPTY_TREE=$(git hash-object -t tree /dev/null)
+
 warn () {
        echo "$*" >&2
 }
@@ -46,7 +48,7 @@ git_commit_non_empty_tree()
 {
        if test $# = 3 && test "$1" = $(git rev-parse "$3^{tree}"); then
                map "$3"
-       elif test $# = 1 && test "$1" = 4b825dc642cb6eb9a060e54bf8d69288fbee4904; then
+       elif test $# = 1 && test "$1" = $EMPTY_TREE; then
                :
        else
                git commit-tree "$@"
@@ -320,7 +322,7 @@ git rev-list --reverse --topo-order --default HEAD \
        die "Could not get the commits"
 commits=$(wc -l <../revs | tr -d " ")
 
-test $commits -eq 0 && die "Found nothing to rewrite"
+test $commits -eq 0 && die_with_status 2 "Found nothing to rewrite"
 
 # Rewrite the commits
 report_progress ()
@@ -370,6 +372,7 @@ while read commit parents; do
        git_filter_branch__commit_count=$(($git_filter_branch__commit_count+1))
 
        report_progress
+       test -f "$workdir"/../map/$commit && continue
 
        case "$filter_subdir" in
        "")
@@ -637,12 +640,12 @@ then
                                print H "$_:$f\n" or die;
                        }
                        close(H) or die;' || die "Unable to save state")
-       state_tree=$(/bin/echo -e "100644 blob $state_blob\tfilter.map" | git mktree)
+       state_tree=$(printf '100644 blob %s\tfilter.map\n' "$state_blob" | git mktree)
        if test -n "$state_commit"
        then
-               state_commit=$(/bin/echo "Sync" | git commit-tree "$state_tree" -p "$state_commit")
+               state_commit=$(echo "Sync" | git commit-tree "$state_tree" -p "$state_commit")
        else
-               state_commit=$(/bin/echo "Sync" | git commit-tree "$state_tree" )
+               state_commit=$(echo "Sync" | git commit-tree "$state_tree" )
        fi
        git update-ref "$state_branch" "$state_commit"
 fi