Function remove_path_from_gitmodules

submodule.c:146–172

* Try to remove the "submodule. " section from .gitmodules where the given * path is configured. Return 0 only if a .gitmodules file was found, a section * with the correct path= setting was found and we could remove it. */

 * with the correct path=<path> setting was found and we could remove it.
 */
int remove_path_from_gitmodules(const char *path)
{
	struct strbuf sect = STRBUF_INIT;
	const struct submodule *submodule;

	if (!file_exists(GITMODULES_FILE)) /* Do nothing without .gitmodules */
		return -1;

	if (is_gitmodules_unmerged(the_repository->index))
		die(_("Cannot change unmerged .gitmodules, resolve merge conflicts first"));

	submodule = submodule_from_path(the_repository, null_oid(the_hash_algo), path);
	if (!submodule || !submodule->name) {
		warning(_("Could not find section in .gitmodules where path=%s"), path);
		return -1;
	}
	strbuf_addstr(&sect, "submodule.");
	strbuf_addstr(&sect, submodule->name);
	if (repo_config_rename_section_in_file(the_repository, GITMODULES_FILE, sect.buf, NULL) < 0) {
		/* Maybe the user already did that, don't error out here */
		warning(_("Could not remove .gitmodules entry for %s"), path);
		strbuf_release(&sect);
		return -1;
	}
	strbuf_release(&sect);
	return 0;
}

void stage_updated_gitmodules(struct index_state *istate)
{