From d10e3b4260628fbe07117e2b57003291500e4f47 Mon Sep 17 00:00:00 2001 From: Jacob Keller Date: Mon, 29 Feb 2016 14:58:30 -0800 Subject: [PATCH] submodule: don't pass empty string arguments to submodule--helper clone When --reference or --depth are unused, the current git-submodule.sh results in empty "" arguments appended to the end of the argv array inside git submodule--helper clone. This is not caught because the argc count is not checked today. Fix git-submodule.sh to only pass an argument when --reference or --depth are used, preventing the addition of two empty string arguments on the tail of the argv array. Signed-off-by: Jacob Keller Reviewed-by: Stefan Beller Signed-off-by: Junio C Hamano --- git-submodule.sh | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/git-submodule.sh b/git-submodule.sh index 9bc5c5f94..2dd29b3df 100755 --- a/git-submodule.sh +++ b/git-submodule.sh @@ -347,7 +347,7 @@ Use -f if you really want to add it." >&2 echo "$(eval_gettext "Reactivating local git directory for submodule '\$sm_name'.")" fi fi - git submodule--helper clone ${GIT_QUIET:+--quiet} --prefix "$wt_prefix" --path "$sm_path" --name "$sm_name" --url "$realrepo" "$reference" "$depth" || exit + git submodule--helper clone ${GIT_QUIET:+--quiet} --prefix "$wt_prefix" --path "$sm_path" --name "$sm_name" --url "$realrepo" ${reference:+"$reference"} ${depth:+"$depth"} || exit ( clear_local_git_env cd "$sm_path" && @@ -709,7 +709,7 @@ Maybe you want to use 'update --init'?")" if ! test -d "$sm_path"/.git && ! test -f "$sm_path"/.git then - git submodule--helper clone ${GIT_QUIET:+--quiet} --prefix "$prefix" --path "$sm_path" --name "$name" --url "$url" "$reference" "$depth" || exit + git submodule--helper clone ${GIT_QUIET:+--quiet} --prefix "$prefix" --path "$sm_path" --name "$name" --url "$url" ${reference:+"$reference"} ${depth:+"$depth"} || exit cloned_modules="$cloned_modules;$name" subsha1= else