push: introduce new push.default mode "simple"

diff --git a/builtin/branch.c b/builtin/branch.c
index 465ff6a513f3e314d4a526b6f8ee9f7a7c7b43f4..5f150b4e8ae87478bcc35408c333042615373cd2 100644 (file)
--- a/builtin/branch.c
+++ b/builtin/branch.c
@@ -104,6 +104,7 @@ static int branch_merged(int kind, const char *name,
         */
        struct commit *reference_rev = NULL;
        const char *reference_name = NULL;
+       void *reference_name_to_free = NULL;
        int merged;
 
        if (kind == REF_LOCAL_BRANCH) {
@@ -114,11 +115,9 @@ static int branch_merged(int kind, const char *name,
                    branch->merge &&
                    branch->merge[0] &&
                    branch->merge[0]->dst &&
-                   (reference_name =
-                    resolve_ref(branch->merge[0]->dst, sha1, 1, NULL)) != NULL) {
-                       reference_name = xstrdup(reference_name);
+                   (reference_name = reference_name_to_free =
+                    resolve_refdup(branch->merge[0]->dst, sha1, 1, NULL)) != NULL)
                        reference_rev = lookup_commit_reference(sha1);
-               }
        }
        if (!reference_rev)
                reference_rev = head_rev;
@@ -143,11 +142,12 @@ static int branch_merged(int kind, const char *name,
                                "         '%s', even though it is merged to HEAD."),
                                name, reference_name);
        }
-       free((char *)reference_name);
+       free(reference_name_to_free);
        return merged;
 }
 
-static int delete_branches(int argc, const char **argv, int force, int kinds)
+static int delete_branches(int argc, const char **argv, int force, int kinds,
+                          int quiet)
 {
        struct commit *rev, *head_rev = NULL;
        unsigned char sha1[20];
@@ -217,9 +217,10 @@ static int delete_branches(int argc, const char **argv, int force, int kinds)
                        ret = 1;
                } else {
                        struct strbuf buf = STRBUF_INIT;
-                       printf(_("Deleted %sbranch %s (was %s).\n"), remote,
-                              bname.buf,
-                              find_unique_abbrev(sha1, DEFAULT_ABBREV));
+                       if (!quiet)
+                               printf(_("Deleted %sbranch %s (was %s).\n"),
+                                      remote, bname.buf,
+                                      find_unique_abbrev(sha1, DEFAULT_ABBREV));
                        strbuf_addf(&buf, "branch.%s", bname.buf);
                        if (git_config_rename_section(buf.buf, NULL) < 0)
                                warning(_("Update of config-file failed"));
@@ -253,7 +254,7 @@ static char *resolve_symref(const char *src, const char *prefix)
        int flag;
        const char *dst, *cp;
 
-       dst = resolve_ref(src, sha1, 0, &flag);
+       dst = resolve_ref_unsafe(src, sha1, 0, &flag);
        if (!(dst && (flag & REF_ISSYMREF)))
                return NULL;
        if (prefix && (cp = skip_prefix(dst, prefix)))
@@ -531,6 +532,10 @@ static int print_ref_list(int kinds, int detached, int verbose, int abbrev, stru
        if (merge_filter != NO_FILTER) {
                struct commit *filter;
                filter = lookup_commit_reference_gently(merge_filter_ref, 0);
+               if (!filter)
+                       die("object '%s' does not point to a commit",
+                           sha1_to_hex(merge_filter_ref));
+
                filter->object.flags |= UNINTERESTING;
                add_pending_object(&ref_list.revs,
                                   (struct object *) filter, "");
@@ -675,6 +680,7 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
        int delete = 0, rename = 0, force_create = 0, list = 0;
        int verbose = 0, abbrev = -1, detached = 0;
        int reflog = 0, edit_description = 0;
+       int quiet = 0;
        enum branch_track track;
        int kinds = REF_LOCAL_BRANCH;
        struct commit_list *with_commit = NULL;
@@ -683,6 +689,7 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
                OPT_GROUP("Generic options"),
                OPT__VERBOSE(&verbose,
                        "show hash and subject, give twice for upstream branch"),
+               OPT__QUIET(&quiet, "suppress informational messages"),
                OPT_SET_INT('t', "track",  &track, "set up tracking mode (see git-pull(1))",
                        BRANCH_TRACK_EXPLICIT),
                OPT_SET_INT( 0, "set-upstream",  &track, "change upstream info",
@@ -738,10 +745,9 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
 
        track = git_branch_track;
 
-       head = resolve_ref("HEAD", head_sha1, 0, NULL);
+       head = resolve_refdup("HEAD", head_sha1, 0, NULL);
        if (!head)
                die(_("Failed to resolve HEAD as a valid ref."));
-       head = xstrdup(head);
        if (!strcmp(head, "HEAD")) {
                detached = 1;
        } else {
@@ -764,12 +770,14 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
                abbrev = DEFAULT_ABBREV;
 
        if (delete)
-               return delete_branches(argc, argv, delete > 1, kinds);
+               return delete_branches(argc, argv, delete > 1, kinds, quiet);
        else if (list)
                return print_ref_list(kinds, detached, verbose, abbrev,
                                      with_commit, argv);
        else if (edit_description) {
                const char *branch_name;
+               struct strbuf branch_ref = STRBUF_INIT;
+
                if (detached)
                        die("Cannot give description to detached HEAD");
                if (!argc)
@@ -778,6 +786,19 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
                        branch_name = argv[0];
                else
                        usage_with_options(builtin_branch_usage, options);
+
+               strbuf_addf(&branch_ref, "refs/heads/%s", branch_name);
+               if (!ref_exists(branch_ref.buf)) {
+                       strbuf_release(&branch_ref);
+
+                       if (!argc)
+                               return error("No commit on branch '%s' yet.",
+                                            branch_name);
+                       else
+                               return error("No such branch '%s'.", branch_name);
+               }
+               strbuf_release(&branch_ref);
+
                if (edit_branch_description(branch_name))
                        return 1;
        } else if (rename) {
@@ -791,7 +812,7 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
                if (kinds != REF_LOCAL_BRANCH)
                        die(_("-a and -r options to 'git branch' do not make sense with a branch name"));
                create_branch(head, argv[0], (argc == 2) ? argv[1] : head,
-                             force_create, reflog, 0, track);
+                             force_create, reflog, 0, quiet, track);
        } else
                usage_with_options(builtin_branch_usage, options);