builtin/config: refactor collect_config()

diff --git a/builtin/clone.c b/builtin/clone.c
index eceaa749223419a276d18fd1621a5e88ff5b4510..035ab649504d69a83f87b854582c8003a2dcb905 100644 (file)
--- a/builtin/clone.c
+++ b/builtin/clone.c
@@ -232,16 +232,26 @@ static void strip_trailing_slashes(char *dir)
 static int add_one_reference(struct string_list_item *item, void *cb_data)
 {
        char *ref_git;
+       const char *repo;
        struct strbuf alternate = STRBUF_INIT;
 
-       /* Beware: real_path() and mkpath() return static buffer */
+       /* Beware: read_gitfile(), real_path() and mkpath() return static buffer */
        ref_git = xstrdup(real_path(item->string));
-       if (is_directory(mkpath("%s/.git/objects", ref_git))) {
+
+       repo = read_gitfile(ref_git);
+       if (!repo)
+               repo = read_gitfile(mkpath("%s/.git", ref_git));
+       if (repo) {
+               free(ref_git);
+               ref_git = xstrdup(repo);
+       }
+
+       if (!repo && is_directory(mkpath("%s/.git/objects", ref_git))) {
                char *ref_git_git = mkpathdup("%s/.git", ref_git);
                free(ref_git);
                ref_git = ref_git_git;
        } else if (!is_directory(mkpath("%s/objects", ref_git)))
-               die(_("reference repository '%s' is not a local directory."),
+               die(_("reference repository '%s' is not a local repository."),
                    item->string);
 
        strbuf_addf(&alternate, "%s/objects", ref_git);
@@ -377,10 +387,32 @@ static void clone_local(const char *src_repo, const char *dest_repo)
 static const char *junk_work_tree;
 static const char *junk_git_dir;
 static pid_t junk_pid;
+static enum {
+       JUNK_LEAVE_NONE,
+       JUNK_LEAVE_REPO,
+       JUNK_LEAVE_ALL
+} junk_mode = JUNK_LEAVE_NONE;
+
+static const char junk_leave_repo_msg[] =
+N_("Clone succeeded, but checkout failed.\n"
+   "You can inspect what was checked out with 'git status'\n"
+   "and retry the checkout with 'git checkout -f HEAD'\n");
 
 static void remove_junk(void)
 {
        struct strbuf sb = STRBUF_INIT;
+
+       switch (junk_mode) {
+       case JUNK_LEAVE_REPO:
+               warning("%s", _(junk_leave_repo_msg));
+               /* fall-through */
+       case JUNK_LEAVE_ALL:
+               return;
+       default:
+               /* proceed to removal */
+               break;
+       }
+
        if (getpid() != junk_pid)
                return;
        if (junk_git_dir) {
@@ -925,12 +957,13 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
        transport_unlock_pack(transport);
        transport_disconnect(transport);
 
+       junk_mode = JUNK_LEAVE_REPO;
        err = checkout();
 
        strbuf_release(&reflog_msg);
        strbuf_release(&branch_top);
        strbuf_release(&key);
        strbuf_release(&value);
-       junk_pid = 0;
+       junk_mode = JUNK_LEAVE_ALL;
        return err;
 }