tests: add some script lint checks

diff --git a/git-filter-branch.sh b/git-filter-branch.sh
index 88fb0f070e5f32c62ae47f90f1f27ffeef836d8f..962a93b586571eb6fc60aae53c77f6e6b9fb281f 100755 (executable)
--- a/git-filter-branch.sh
+++ b/git-filter-branch.sh
@@ -139,6 +139,7 @@ do
                continue
                ;;
        --remap-to-ancestor)
+               # deprecated ($remap_to_ancestor is set now automatically)
                shift
                remap_to_ancestor=t
                continue
@@ -265,7 +266,14 @@ mkdir ../map || die "Could not create map/ directory"
 
 # we need "--" only if there are no path arguments in $@
 nonrevs=$(git rev-parse --no-revs "$@") || exit
-test -z "$nonrevs" && dashdash=-- || dashdash=
+if test -z "$nonrevs"
+then
+       dashdash=--
+else
+       dashdash=
+       remap_to_ancestor=t
+fi
+
 rev_args=$(git rev-parse --revs-only "$@")
 
 case "$filter_subdir" in