Separate out the core logic of module_clone() from the flag
parsing---this way we can call the equivalent of the `submodule--helper
clone` subcommand directly within C, without needing to push arguments
in a strvec.
Signed-off-by: Atharva Raykar <raykar.ath@xxxxxxxxx>
Mentored-by: Christian Couder <christian.couder@xxxxxxxxx>
Mentored-by: Shourya Shukla <shouryashukla.oo@xxxxxxxxx>
Suggested-by: Junio C Hamano <gitster@xxxxxxxxx>
---
builtin/submodule--helper.c | 241 +++++++++++++++++++-----------------
1 file changed, 128 insertions(+), 113 deletions(-)
diff --git a/builtin/submodule--helper.c b/builtin/submodule--helper.c
index ae6174ab05..320f4252fe 100644
--- a/builtin/submodule--helper.c
+++ b/builtin/submodule--helper.c
@@ -1658,45 +1658,20 @@ static int module_deinit(int argc, const char **argv, const char *prefix)
return 0;
}
-static int clone_submodule(const char *path, const char *gitdir, const char *url,
- const char *depth, struct string_list *reference, int dissociate,
- int quiet, int progress, int single_branch)
-{
- struct child_process cp = CHILD_PROCESS_INIT;
-
- strvec_push(&cp.args, "clone");
- strvec_push(&cp.args, "--no-checkout");
- if (quiet)
- strvec_push(&cp.args, "--quiet");
- if (progress)
- strvec_push(&cp.args, "--progress");
- if (depth && *depth)
- strvec_pushl(&cp.args, "--depth", depth, NULL);
- if (reference->nr) {
- struct string_list_item *item;
- for_each_string_list_item(item, reference)
- strvec_pushl(&cp.args, "--reference",
- item->string, NULL);
- }
- if (dissociate)
- strvec_push(&cp.args, "--dissociate");
- if (gitdir && *gitdir)
- strvec_pushl(&cp.args, "--separate-git-dir", gitdir, NULL);
- if (single_branch >= 0)
- strvec_push(&cp.args, single_branch ?
- "--single-branch" :
- "--no-single-branch");
-
- strvec_push(&cp.args, "--");
- strvec_push(&cp.args, url);
- strvec_push(&cp.args, path);
-
- cp.git_cmd = 1;
- prepare_submodule_repo_env(&cp.env_array);
- cp.no_stdin = 1;
-
- return run_command(&cp);
-}
+struct module_clone_data {
+ const char *prefix;
+ const char *path;
+ const char *name;
+ const char *url;
+ const char *depth;
+ struct string_list reference;
+ unsigned int quiet: 1;
+ unsigned int progress: 1;
+ unsigned int dissociate: 1;
+ unsigned int require_init: 1;
+ int single_branch;
+};
+#define MODULE_CLONE_DATA_INIT { .reference = STRING_LIST_INIT_NODUP, .single_branch = -1 }
struct submodule_alternate_setup {
const char *submodule_name;
@@ -1802,37 +1777,128 @@ static void prepare_possible_alternates(const char *sm_name,
free(error_strategy);
}
+static int clone_submodule(struct module_clone_data *clone_data)
+{
+ char *p, *sm_gitdir;
+ char *sm_alternate = NULL, *error_strategy = NULL;
+ struct strbuf sb = STRBUF_INIT;
+ struct child_process cp = CHILD_PROCESS_INIT;
+
+ strbuf_addf(&sb, "%s/modules/%s", get_git_dir(), clone_data->name);
+ sm_gitdir = absolute_pathdup(sb.buf);
+ strbuf_reset(&sb);
+
+ if (!is_absolute_path(clone_data->path)) {
+ strbuf_addf(&sb, "%s/%s", get_git_work_tree(), clone_data->path);
+ clone_data->path = strbuf_detach(&sb, NULL);
+ } else {
+ clone_data->path = xstrdup(clone_data->path);
+ }
+
+ if (validate_submodule_git_dir(sm_gitdir, clone_data->name) < 0)
+ die(_("refusing to create/use '%s' in another submodule's "
+ "git dir"), sm_gitdir);
+
+ if (!file_exists(sm_gitdir)) {
+ if (safe_create_leading_directories_const(sm_gitdir) < 0)
+ die(_("could not create directory '%s'"), sm_gitdir);
+
+ prepare_possible_alternates(clone_data->name, &clone_data->reference);
+
+ strvec_push(&cp.args, "clone");
+ strvec_push(&cp.args, "--no-checkout");
+ if (clone_data->quiet)
+ strvec_push(&cp.args, "--quiet");
+ if (clone_data->progress)
+ strvec_push(&cp.args, "--progress");
+ if (clone_data->depth && *(clone_data->depth))
+ strvec_pushl(&cp.args, "--depth", clone_data->depth, NULL);
+ if (clone_data->reference.nr) {
+ struct string_list_item *item;
+ for_each_string_list_item(item, &clone_data->reference)
+ strvec_pushl(&cp.args, "--reference",
+ item->string, NULL);
+ }
+ if (clone_data->dissociate)
+ strvec_push(&cp.args, "--dissociate");
+ if (sm_gitdir && *sm_gitdir)
+ strvec_pushl(&cp.args, "--separate-git-dir", sm_gitdir, NULL);
+ if (clone_data->single_branch >= 0)
+ strvec_push(&cp.args, clone_data->single_branch ?
+ "--single-branch" :
+ "--no-single-branch");
+
+ strvec_push(&cp.args, "--");
+ strvec_push(&cp.args, clone_data->url);
+ strvec_push(&cp.args, clone_data->path);
+
+ cp.git_cmd = 1;
+ prepare_submodule_repo_env(&cp.env_array);
+ cp.no_stdin = 1;
+
+ if(run_command(&cp))
+ die(_("clone of '%s' into submodule path '%s' failed"),
+ clone_data->url, clone_data->path);
+ } else {
+ if (clone_data->require_init && !access(clone_data->path, X_OK) &&
+ !is_empty_dir(clone_data->path))
+ die(_("directory not empty: '%s'"), clone_data->path);
+ if (safe_create_leading_directories_const(clone_data->path) < 0)
+ die(_("could not create directory '%s'"), clone_data->path);
+ strbuf_addf(&sb, "%s/index", sm_gitdir);
+ unlink_or_warn(sb.buf);
+ strbuf_reset(&sb);
+ }
+
+ connect_work_tree_and_git_dir(clone_data->path, sm_gitdir, 0);
+
+ p = git_pathdup_submodule(clone_data->path, "config");
+ if (!p)
+ die(_("could not get submodule directory for '%s'"), clone_data->path);
+
+ /* setup alternateLocation and alternateErrorStrategy in the cloned submodule if needed */
+ git_config_get_string("submodule.alternateLocation", &sm_alternate);
+ if (sm_alternate)
+ git_config_set_in_file(p, "submodule.alternateLocation",
+ sm_alternate);
+ git_config_get_string("submodule.alternateErrorStrategy", &error_strategy);
+ if (error_strategy)
+ git_config_set_in_file(p, "submodule.alternateErrorStrategy",
+ error_strategy);
+
+ free(sm_alternate);
+ free(error_strategy);
+
+ strbuf_release(&sb);
+ free(sm_gitdir);
+ free(p);
+ return 0;
+}
+
static int module_clone(int argc, const char **argv, const char *prefix)
{
- const char *name = NULL, *url = NULL, *depth = NULL;
- int quiet = 0;
- int progress = 0;
- char *p, *path = NULL, *sm_gitdir;
- struct strbuf sb = STRBUF_INIT;
- struct string_list reference = STRING_LIST_INIT_NODUP;
- int dissociate = 0, require_init = 0;
- char *sm_alternate = NULL, *error_strategy = NULL;
- int single_branch = -1;
+ int dissociate = 0, quiet = 0, progress = 0, require_init = 0;
+ struct module_clone_data clone_data = MODULE_CLONE_DATA_INIT;
struct option module_clone_options[] = {
- OPT_STRING(0, "prefix", &prefix,
+ OPT_STRING(0, "prefix", &clone_data.prefix,
N_("path"),
N_("alternative anchor for relative paths")),
- OPT_STRING(0, "path", &path,
+ OPT_STRING(0, "path", &clone_data.path,
N_("path"),
N_("where the new submodule will be cloned to")),
- OPT_STRING(0, "name", &name,
+ OPT_STRING(0, "name", &clone_data.name,
N_("string"),
N_("name of the new submodule")),
- OPT_STRING(0, "url", &url,
+ OPT_STRING(0, "url", &clone_data.url,
N_("string"),
N_("url where to clone the submodule from")),
- OPT_STRING_LIST(0, "reference", &reference,
+ OPT_STRING_LIST(0, "reference", &clone_data.reference,
N_("repo"),
N_("reference repository")),
OPT_BOOL(0, "dissociate", &dissociate,
N_("use --reference only while cloning")),
- OPT_STRING(0, "depth", &depth,
+ OPT_STRING(0, "depth", &clone_data.depth,
N_("string"),
N_("depth for shallow clones")),
OPT__QUIET(&quiet, "Suppress output for cloning a submodule"),
@@ -1840,7 +1906,7 @@ static int module_clone(int argc, const char **argv, const char *prefix)
N_("force cloning progress")),
OPT_BOOL(0, "require-init", &require_init,
N_("disallow cloning into non-empty directory")),
- OPT_BOOL(0, "single-branch", &single_branch,
+ OPT_BOOL(0, "single-branch", &clone_data.single_branch,
N_("clone only one branch, HEAD or --branch")),
OPT_END()
};
@@ -1856,67 +1922,16 @@ static int module_clone(int argc, const char **argv, const char *prefix)
argc = parse_options(argc, argv, prefix, module_clone_options,
git_submodule_helper_usage, 0);
- if (argc || !url || !path || !*path)
+ clone_data.dissociate = !!dissociate;
+ clone_data.quiet = !!quiet;
+ clone_data.progress = !!progress;
+ clone_data.require_init = !!require_init;
+
+ if (argc || !clone_data.url || !clone_data.path || !*(clone_data.path))
usage_with_options(git_submodule_helper_usage,
module_clone_options);
- strbuf_addf(&sb, "%s/modules/%s", get_git_dir(), name);
- sm_gitdir = absolute_pathdup(sb.buf);
- strbuf_reset(&sb);
-
- if (!is_absolute_path(path)) {
- strbuf_addf(&sb, "%s/%s", get_git_work_tree(), path);
- path = strbuf_detach(&sb, NULL);
- } else
- path = xstrdup(path);
-
- if (validate_submodule_git_dir(sm_gitdir, name) < 0)
- die(_("refusing to create/use '%s' in another submodule's "
- "git dir"), sm_gitdir);
-
- if (!file_exists(sm_gitdir)) {
- if (safe_create_leading_directories_const(sm_gitdir) < 0)
- die(_("could not create directory '%s'"), sm_gitdir);
-
- prepare_possible_alternates(name, &reference);
-
- if (clone_submodule(path, sm_gitdir, url, depth, &reference, dissociate,
- quiet, progress, single_branch))
- die(_("clone of '%s' into submodule path '%s' failed"),
- url, path);
- } else {
- if (require_init && !access(path, X_OK) && !is_empty_dir(path))
- die(_("directory not empty: '%s'"), path);
- if (safe_create_leading_directories_const(path) < 0)
- die(_("could not create directory '%s'"), path);
- strbuf_addf(&sb, "%s/index", sm_gitdir);
- unlink_or_warn(sb.buf);
- strbuf_reset(&sb);
- }
-
- connect_work_tree_and_git_dir(path, sm_gitdir, 0);
-
- p = git_pathdup_submodule(path, "config");
- if (!p)
- die(_("could not get submodule directory for '%s'"), path);
-
- /* setup alternateLocation and alternateErrorStrategy in the cloned submodule if needed */
- git_config_get_string("submodule.alternateLocation", &sm_alternate);
- if (sm_alternate)
- git_config_set_in_file(p, "submodule.alternateLocation",
- sm_alternate);
- git_config_get_string("submodule.alternateErrorStrategy", &error_strategy);
- if (error_strategy)
- git_config_set_in_file(p, "submodule.alternateErrorStrategy",
- error_strategy);
-
- free(sm_alternate);
- free(error_strategy);
-
- strbuf_release(&sb);
- free(sm_gitdir);
- free(path);
- free(p);
+ clone_submodule(&clone_data);
return 0;
}
--
2.32.0
