- if test $# -ne 1
- then
- usage
- fi
-
- # we can't use `git submodule--helper name` here because internally, it
- # hashes the path so a trailing slash could lead to an unintentional no match
- name="$(git submodule--helper list "$1" | cut -f2)"
- if test -z "$name"
- then
- exit 1
- fi
-
- test -n "$branch"; has_branch=$?
- test "$unset_branch" = true; has_unset_branch=$?
-
- if test $((!$has_branch != !$has_unset_branch)) -eq 0
- then
- usage
- fi
-
- if test $has_branch -eq 0
- then
- git submodule--helper config submodule."$name".branch "$branch"
- else
- git submodule--helper config --unset submodule."$name".branch
- fi