filter-branch: be more helpful when an annotated tag changes

[git.git] / GIT-VERSION-GEN

diff --git a/GIT-VERSION-GEN b/GIT-VERSION-GEN
index f221447478aea8628c0ab6d098338f7e8630201e..e1290d8901bb63bf3c302c1f72a10559ea45f906 100755 (executable)
--- a/GIT-VERSION-GEN
+++ b/GIT-VERSION-GEN
@@ -16,7 +16,8 @@ elif test -d .git -o -f .git &&
        case "$VN" in
        *$LF*) (exit 1) ;;
        v[0-9]*)
-               test -z "$(git diff-index --name-only HEAD)" ||
+               git update-index -q --refresh
+               test -z "$(git diff-index --name-only HEAD --)" ||
                VN="$VN-dirty" ;;
        esac
 then