#include "blob.h"
#include "thread-utils.h"
#include "quote.h"
+#include "worktree.h"
static int config_fetch_recurse_submodules = RECURSE_SUBMODULES_ON_DEMAND;
static int parallel_jobs = 1;
return 0;
}
-/* Update gitfile and core.worktree setting to connect work tree and git dir */
-void connect_work_tree_and_git_dir(const char *work_tree, const char *git_dir)
-{
- struct strbuf file_name = STRBUF_INIT;
- struct strbuf rel_path = STRBUF_INIT;
- const char *real_work_tree = xstrdup(real_path(work_tree));
-
- /* Update gitfile */
- strbuf_addf(&file_name, "%s/.git", work_tree);
- write_file(file_name.buf, "gitdir: %s",
- relative_path(git_dir, real_work_tree, &rel_path));
-
- /* Update core.worktree setting */
- strbuf_reset(&file_name);
- strbuf_addf(&file_name, "%s/config", git_dir);
- git_config_set_in_file(file_name.buf, "core.worktree",
- relative_path(real_work_tree, git_dir,
- &rel_path));
-
- strbuf_release(&file_name);
- strbuf_release(&rel_path);
- free((void *)real_work_tree);
-}
-
int parallel_submodules(void)
{
return parallel_jobs;
}
argv_array_push(out, "GIT_DIR=.git");
}
+
+/*
+ * Embeds a single submodules git directory into the superprojects git dir,
+ * non recursively.
+ */
+static void relocate_single_git_dir_into_superproject(const char *prefix,
+ const char *path)
+{
+ char *old_git_dir = NULL, *real_old_git_dir = NULL, *real_new_git_dir = NULL;
+ const char *new_git_dir;
+ const struct submodule *sub;
+
+ if (submodule_uses_worktrees(path))
+ die(_("relocate_gitdir for submodule '%s' with "
+ "more than one worktree not supported"), path);
+
+ old_git_dir = xstrfmt("%s/.git", path);
+ if (read_gitfile(old_git_dir))
+ /* If it is an actual gitfile, it doesn't need migration. */
+ return;
+
+ real_old_git_dir = xstrdup(real_path(old_git_dir));
+
+ sub = submodule_from_path(null_sha1, path);
+ if (!sub)
+ die(_("could not lookup name for submodule '%s'"), path);
+
+ new_git_dir = git_path("modules/%s", sub->name);
+ if (safe_create_leading_directories_const(new_git_dir) < 0)
+ die(_("could not create directory '%s'"), new_git_dir);
+ real_new_git_dir = xstrdup(real_path(new_git_dir));
+
+ if (!prefix)
+ prefix = get_super_prefix();
+
+ fprintf(stderr, _("Migrating git directory of '%s%s' from\n'%s' to\n'%s'\n"),
+ prefix ? prefix : "", path,
+ real_old_git_dir, real_new_git_dir);
+
+ relocate_gitdir(path, real_old_git_dir, real_new_git_dir);
+
+ free(old_git_dir);
+ free(real_old_git_dir);
+ free(real_new_git_dir);
+}
+
+/*
+ * Migrate the git directory of the submodule given by path from
+ * having its git directory within the working tree to the git dir nested
+ * in its superprojects git dir under modules/.
+ */
+void absorb_git_dir_into_superproject(const char *prefix,
+ const char *path,
+ unsigned flags)
+{
+ const char *sub_git_dir, *v;
+ char *real_sub_git_dir = NULL, *real_common_git_dir = NULL;
+ struct strbuf gitdir = STRBUF_INIT;
+
+ strbuf_addf(&gitdir, "%s/.git", path);
+ sub_git_dir = resolve_gitdir(gitdir.buf);
+
+ /* Not populated? */
+ if (!sub_git_dir)
+ goto out;
+
+ /* Is it already absorbed into the superprojects git dir? */
+ real_sub_git_dir = xstrdup(real_path(sub_git_dir));
+ real_common_git_dir = xstrdup(real_path(get_git_common_dir()));
+ if (!skip_prefix(real_sub_git_dir, real_common_git_dir, &v))
+ relocate_single_git_dir_into_superproject(prefix, path);
+
+ if (flags & ABSORB_GITDIR_RECURSE_SUBMODULES) {
+ struct child_process cp = CHILD_PROCESS_INIT;
+ struct strbuf sb = STRBUF_INIT;
+
+ if (flags & ~ABSORB_GITDIR_RECURSE_SUBMODULES)
+ die("BUG: we don't know how to pass the flags down?");
+
+ if (get_super_prefix())
+ strbuf_addstr(&sb, get_super_prefix());
+ strbuf_addstr(&sb, path);
+ strbuf_addch(&sb, '/');
+
+ cp.dir = path;
+ cp.git_cmd = 1;
+ cp.no_stdin = 1;
+ argv_array_pushl(&cp.args, "--super-prefix", sb.buf,
+ "submodule--helper",
+ "absorb-git-dirs", NULL);
+ prepare_submodule_repo_env(&cp.env_array);
+ if (run_command(&cp))
+ die(_("could not recurse into submodule '%s'"), path);
+
+ strbuf_release(&sb);
+ }
+
+out:
+ strbuf_release(&gitdir);
+ free(real_sub_git_dir);
+ free(real_common_git_dir);
+}