#!/bin/sh
-. git-sh-setup-script || die "Not a git archive"
-git-rev-list --pretty $(git-rev-parse --default HEAD "$@") | LESS=-S ${PAGER:-less}
+#
+# Copyright (c) 2005 Linus Torvalds
+#
+
+# This one uses only subdirectory-aware commands, so no need to
+# include sh-setup-script.
+
+revs=$(git-rev-parse --revs-only --no-flags --default HEAD "$@") || exit
+[ "$revs" ] || {
+ echo >&2 "No HEAD ref"
+ exit 1
+}
+git-rev-list --pretty $(git-rev-parse --default HEAD "$@") |
+LESS=-S ${PAGER:-less}