Jacob Keller <jacob.e.kel...@intel.com> writes:
> From: Jacob Keller <jacob.kel...@gmail.com>
>
> git submodule--helper clone usage specified that paths come after the --
> as a sequence. However, the actual implementation does not, and requires
> only a single path passed in via --path. In addition, argc was
> unchecked. (allowing arbitrary extra arguments that were silently
> ignored).
>
> Fix the usage description to match implementation. Add an argc check to
> enforce no extra arguments.
The above sounds very sensible.
> Fix a bug in the argument passing in
> git-submodule.sh which would pass --reference and --depth as empty
> strings when they were unused, resulting in extra argc after parsing
> options.
This does make sense but it is an unrelated fix. Perhaps split this
patch into two?
> Signed-off-by: Jacob Keller <jacob.kel...@gmail.com>
> ---
> builtin/submodule--helper.c | 5 ++++-
> git-submodule.sh | 4 ++--
> 2 files changed, 6 insertions(+), 3 deletions(-)
>
> diff --git a/builtin/submodule--helper.c b/builtin/submodule--helper.c
> index f4c3eff179b5..072d9bbd12a8 100644
> --- a/builtin/submodule--helper.c
> +++ b/builtin/submodule--helper.c
> @@ -187,13 +187,16 @@ static int module_clone(int argc, const char **argv,
> const char *prefix)
> const char *const git_submodule_helper_usage[] = {
> N_("git submodule--helper clone [--prefix=<path>] [--quiet] "
> "[--reference <repository>] [--name <name>] [--url <url>]"
> - "[--depth <depth>] [--] [<path>...]"),
> + "[--depth <depth>] [--path <path>]"),
> NULL
> };
>
> argc = parse_options(argc, argv, prefix, module_clone_options,
> git_submodule_helper_usage, 0);
>
> + if (argc)
> + usage(*git_submodule_helper_usage);
> +
That asterisk looks very unusual and wanting to be future-proofed
(i.e. who says that only the first entry matters?). Should't this
be calling usage_with_options()?
> strbuf_addf(&sb, "%s/modules/%s", get_git_dir(), name);
> sm_gitdir = strbuf_detach(&sb, NULL);
>
> diff --git a/git-submodule.sh b/git-submodule.sh
> index 9bc5c5f94d1d..2dd29b3df0e6 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
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