update-ref.c: extract a new function, parse_next_sha1()

diff --git a/builtin/clone.c b/builtin/clone.c
index cc11104d4267f61aa5a2aa5472a5c69c1ccd8994..b12989d1caecb48128e8a468014f07b237b1a4cc 100644 (file)
--- a/builtin/clone.c
+++ b/builtin/clone.c
@@ -252,6 +252,12 @@ static int add_one_reference(struct string_list_item *item, void *cb_data)
                die(_("reference repository '%s' is not a local repository."),
                    item->string);
 
+       if (!access(mkpath("%s/shallow", ref_git), F_OK))
+               die(_("reference repository '%s' is shallow"), item->string);
+
+       if (!access(mkpath("%s/info/grafts", ref_git), F_OK))
+               die(_("reference repository '%s' is grafted"), item->string);
+
        strbuf_addf(&alternate, "%s/objects", ref_git);
        add_to_alternates_file(alternate.buf);
        strbuf_release(&alternate);
@@ -508,14 +514,14 @@ static void write_followtags(const struct ref *refs, const char *msg)
 {
        const struct ref *ref;
        for (ref = refs; ref; ref = ref->next) {
-               if (prefixcmp(ref->name, "refs/tags/"))
+               if (!starts_with(ref->name, "refs/tags/"))
                        continue;
-               if (!suffixcmp(ref->name, "^{}"))
+               if (ends_with(ref->name, "^{}"))
                        continue;
                if (!has_sha1_file(ref->old_sha1))
                        continue;
                update_ref(msg, ref->name, ref->old_sha1,
-                          NULL, 0, DIE_ON_ERR);
+                          NULL, 0, UPDATE_REFS_DIE_ON_ERR);
        }
 }
 
@@ -578,19 +584,20 @@ static void update_remote_refs(const struct ref *refs,
 static void update_head(const struct ref *our, const struct ref *remote,
                        const char *msg)
 {
-       if (our && !prefixcmp(our->name, "refs/heads/")) {
+       if (our && starts_with(our->name, "refs/heads/")) {
                /* Local default branch link */
                create_symref("HEAD", our->name, NULL);
                if (!option_bare) {
                        const char *head = skip_prefix(our->name, "refs/heads/");
-                       update_ref(msg, "HEAD", our->old_sha1, NULL, 0, DIE_ON_ERR);
+                       update_ref(msg, "HEAD", our->old_sha1, NULL, 0,
+                                  UPDATE_REFS_DIE_ON_ERR);
                        install_branch_config(0, head, option_origin, our->name);
                }
        } else if (our) {
                struct commit *c = lookup_commit_reference(our->old_sha1);
                /* --branch specifies a non-branch (i.e. tags), detach HEAD */
                update_ref(msg, "HEAD", c->object.sha1,
-                          NULL, REF_NODEREF, DIE_ON_ERR);
+                          NULL, REF_NODEREF, UPDATE_REFS_DIE_ON_ERR);
        } else if (remote) {
                /*
                 * We know remote HEAD points to a non-branch, or
@@ -598,7 +605,7 @@ static void update_head(const struct ref *our, const struct ref *remote,
                 * Detach HEAD in all these cases.
                 */
                update_ref(msg, "HEAD", remote->old_sha1,
-                          NULL, REF_NODEREF, DIE_ON_ERR);
+                          NULL, REF_NODEREF, UPDATE_REFS_DIE_ON_ERR);
        }
 }
 
@@ -625,7 +632,7 @@ static int checkout(void)
                if (advice_detached_head)
                        detach_advice(sha1_to_hex(sha1));
        } else {
-               if (prefixcmp(head, "refs/heads/"))
+               if (!starts_with(head, "refs/heads/"))
                        die(_("HEAD not found below refs/heads!"));
        }
        free(head);
@@ -654,8 +661,8 @@ static int checkout(void)
            commit_locked_index(lock_file))
                die(_("unable to write new index file"));
 
-       err |= run_hook(NULL, "post-checkout", sha1_to_hex(null_sha1),
-                       sha1_to_hex(sha1), "1", NULL);
+       err |= run_hook_le(NULL, "post-checkout", sha1_to_hex(null_sha1),
+                          sha1_to_hex(sha1), "1", NULL);
 
        if (!err && option_recursive)
                err = run_command_v_opt(argv_submodule, RUN_GIT_CMD);
@@ -791,8 +798,15 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
        else
                repo = repo_name;
        is_local = option_local != 0 && path && !is_bundle;
-       if (is_local && option_depth)
-               warning(_("--depth is ignored in local clones; use file:// instead."));
+       if (is_local) {
+               if (option_depth)
+                       warning(_("--depth is ignored in local clones; use file:// instead."));
+               if (!access(mkpath("%s/shallow", path), F_OK)) {
+                       if (option_local > 0)
+                               warning(_("source repository is shallow, ignoring --local"));
+                       is_local = 0;
+               }
+       }
        if (option_local > 0 && !is_local)
                warning(_("--local is ignored"));
 
@@ -887,6 +901,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
 
        remote = remote_get(option_origin);
        transport = transport_get(remote, remote->url[0]);
+       transport->cloning = 1;
 
        if (!transport->get_refs_list || (!is_local && !transport->fetch))
                die(_("Don't know how to clone %s"), transport->url);