This behavior is mentioned in gitmodules.txt but not in git-submodule.txt so we copy the information over so that it is not missed. Also, add the missed argument to the -b/--branch option. Signed-off-by: Denton Liu <liu.denton@xxxxxxxxx> --- Documentation/git-submodule.txt | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/Documentation/git-submodule.txt b/Documentation/git-submodule.txt index ba3c4df550..4150148fa3 100644 --- a/Documentation/git-submodule.txt +++ b/Documentation/git-submodule.txt @@ -255,13 +255,14 @@ OPTIONS This option is only valid for the deinit command. Unregister all submodules in the working tree. --b:: ---branch:: +-b <branch>:: +--branch <branch>:: Branch of repository to add as submodule. The name of the branch is recorded as `submodule.<name>.branch` in `.gitmodules` for `update --remote`. A special value of `.` is used to indicate that the name of the branch in the submodule should be the - same name as the current branch in the current repository. + same name as the current branch in the current repository. If the + option is not specified, it defaults to 'master'. -f:: --force:: -- 2.20.1.522.g5f42c252e9