diff options
Diffstat (limited to 'git-filter-branch.sh')
| -rwxr-xr-x | git-filter-branch.sh | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/git-filter-branch.sh b/git-filter-branch.sh index 98c76ec589..ccceaf19a7 100755 --- a/git-filter-branch.sh +++ b/git-filter-branch.sh @@ -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" = $EMPTY_TREE; then : else git commit-tree "$@" @@ -251,8 +253,18 @@ done < "$tempdir"/backup-refs # The refs should be updated if their heads were rewritten git rev-parse --no-flags --revs-only --symbolic-full-name \ - --default HEAD "$@" > "$tempdir"/raw-heads || exit -sed -e '/^^/d' "$tempdir"/raw-heads >"$tempdir"/heads + --default HEAD "$@" > "$tempdir"/raw-refs || exit +while read ref +do + case "$ref" in ^?*) continue ;; esac + + if git rev-parse --verify "$ref"^0 >/dev/null 2>&1 + then + echo "$ref" + else + warn "WARNING: not rewriting '$ref' (not a committish)" + fi +done >"$tempdir"/heads <"$tempdir"/raw-refs test -s "$tempdir"/heads || die "You must specify a ref to rewrite." @@ -310,7 +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 () |