From 2964d6e5e1e5e3286cfdc8c68f347e0aba97caf0 Mon Sep 17 00:00:00 2001 From: Shourya Shukla Date: Tue, 2 Jun 2020 22:05:23 +0530 Subject: submodule: port subcommand 'set-branch' from shell to C MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Convert submodule subcommand 'set-branch' to a builtin and call it via 'git-submodule.sh'. Mentored-by: Christian Couder Mentored-by: Kaartic Sivaraam Helped-by: Denton Liu Helped-by: Eric Sunshine Helped-by: Đoàn Trần Công Danh Signed-off-by: Shourya Shukla Signed-off-by: Junio C Hamano --- builtin/submodule--helper.c | 44 ++++++++++++++++++++++++++++++++++++++++++++ git-submodule.sh | 32 +++----------------------------- 2 files changed, 47 insertions(+), 29 deletions(-) diff --git a/builtin/submodule--helper.c b/builtin/submodule--helper.c index 46c03d2a12..59c1e1217c 100644 --- a/builtin/submodule--helper.c +++ b/builtin/submodule--helper.c @@ -2277,6 +2277,49 @@ static int module_set_url(int argc, const char **argv, const char *prefix) return 0; } +static int module_set_branch(int argc, const char **argv, const char *prefix) +{ + int opt_default = 0, ret; + const char *opt_branch = NULL; + const char *path; + char *config_name; + + /* + * We accept the `quiet` option for uniformity across subcommands, + * though there is nothing to make less verbose in this subcommand. + */ + struct option options[] = { + OPT_NOOP_NOARG('q', "quiet"), + OPT_BOOL('d', "default", &opt_default, + N_("set the default tracking branch to master")), + OPT_STRING('b', "branch", &opt_branch, N_("branch"), + N_("set the default tracking branch")), + OPT_END() + }; + const char *const usage[] = { + N_("git submodule--helper set-branch [-q|--quiet] (-d|--default) "), + N_("git submodule--helper set-branch [-q|--quiet] (-b|--branch) "), + NULL + }; + + argc = parse_options(argc, argv, prefix, options, usage, 0); + + if (!opt_branch && !opt_default) + die(_("--branch or --default required")); + + if (opt_branch && opt_default) + die(_("--branch and --default are mutually exclusive")); + + if (argc != 1 || !(path = argv[0])) + usage_with_options(usage, options); + + config_name = xstrfmt("submodule.%s.branch", path); + ret = config_set_in_gitmodules_file_gently(config_name, opt_branch); + + free(config_name); + return !!ret; +} + #define SUPPORT_SUPER_PREFIX (1<<0) struct cmd_struct { @@ -2308,6 +2351,7 @@ static struct cmd_struct commands[] = { {"check-name", check_name, 0}, {"config", module_config, 0}, {"set-url", module_set_url, 0}, + {"set-branch", module_set_branch, 0}, }; int cmd_submodule__helper(int argc, const char **argv, const char *prefix) diff --git a/git-submodule.sh b/git-submodule.sh index 39ebdf25b5..43eb6051d2 100755 --- a/git-submodule.sh +++ b/git-submodule.sh @@ -719,7 +719,7 @@ cmd_update() # $@ = requested path # cmd_set_branch() { - unset_branch=false + default= branch= while test $# -ne 0 @@ -729,7 +729,7 @@ cmd_set_branch() { # we don't do anything with this but we need to accept it ;; -d|--default) - unset_branch=true + default=1 ;; -b|--branch) case "$2" in '') usage ;; esac @@ -750,33 +750,7 @@ cmd_set_branch() { shift done - 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 + git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper set-branch ${GIT_QUIET:+--quiet} ${branch:+--branch "$branch"} ${default:+--default} -- "$@" } # -- cgit v1.2.3