Merge branch 'jh/close-index-before-stat' into maint
[gitweb.git] / builtin / branch.c
index 37af77161e4f899f9897db0838f0b736b8450bec..48a513a84dbf6cf2516a10cbcced267369bc747c 100644 (file)
@@ -28,20 +28,21 @@ static const char * const builtin_branch_usage[] = {
        N_("git branch [<options>] [-r] (-d | -D) <branch-name>..."),
        N_("git branch [<options>] (-m | -M) [<old-branch>] <new-branch>"),
        N_("git branch [<options>] [-r | -a] [--points-at]"),
+       N_("git branch [<options>] [-r | -a] [--format]"),
        NULL
 };
 
 static const char *head;
-static unsigned char head_sha1[20];
+static struct object_id head_oid;
 
 static int branch_use_color = -1;
 static char branch_colors[][COLOR_MAXLEN] = {
        GIT_COLOR_RESET,
-       GIT_COLOR_NORMAL,       /* PLAIN */
-       GIT_COLOR_RED,          /* REMOTE */
-       GIT_COLOR_NORMAL,       /* LOCAL */
-       GIT_COLOR_GREEN,        /* CURRENT */
-       GIT_COLOR_BLUE,         /* UPSTREAM */
+       GIT_COLOR_NORMAL,       /* PLAIN */
+       GIT_COLOR_RED,          /* REMOTE */
+       GIT_COLOR_NORMAL,       /* LOCAL */
+       GIT_COLOR_GREEN,        /* CURRENT */
+       GIT_COLOR_BLUE,         /* UPSTREAM */
 };
 enum color_branch {
        BRANCH_COLOR_RESET = 0,
@@ -117,13 +118,13 @@ static int branch_merged(int kind, const char *name,
        if (kind == FILTER_REFS_BRANCHES) {
                struct branch *branch = branch_get(name);
                const char *upstream = branch_get_upstream(branch, NULL);
-               unsigned char sha1[20];
+               struct object_id oid;
 
                if (upstream &&
                    (reference_name = reference_name_to_free =
                     resolve_refdup(upstream, RESOLVE_REF_READING,
-                                   sha1, NULL)) != NULL)
-                       reference_rev = lookup_commit_reference(sha1);
+                                   oid.hash, NULL)) != NULL)
+                       reference_rev = lookup_commit_reference(oid.hash);
        }
        if (!reference_rev)
                reference_rev = head_rev;
@@ -153,10 +154,10 @@ static int branch_merged(int kind, const char *name,
 }
 
 static int check_branch_commit(const char *branchname, const char *refname,
-                              const unsigned char *sha1, struct commit *head_rev,
+                              const struct object_id *oid, struct commit *head_rev,
                               int kinds, int force)
 {
-       struct commit *rev = lookup_commit_reference(sha1);
+       struct commit *rev = lookup_commit_reference(oid->hash);
        if (!rev) {
                error(_("Couldn't look up commit object for '%s'"), refname);
                return -1;
@@ -183,59 +184,62 @@ static int delete_branches(int argc, const char **argv, int force, int kinds,
                           int quiet)
 {
        struct commit *head_rev = NULL;
-       unsigned char sha1[20];
+       struct object_id oid;
        char *name = NULL;
        const char *fmt;
        int i;
        int ret = 0;
        int remote_branch = 0;
        struct strbuf bname = STRBUF_INIT;
+       unsigned allowed_interpret;
 
        switch (kinds) {
        case FILTER_REFS_REMOTES:
                fmt = "refs/remotes/%s";
                /* For subsequent UI messages */
                remote_branch = 1;
+               allowed_interpret = INTERPRET_BRANCH_REMOTE;
 
                force = 1;
                break;
        case FILTER_REFS_BRANCHES:
                fmt = "refs/heads/%s";
+               allowed_interpret = INTERPRET_BRANCH_LOCAL;
                break;
        default:
                die(_("cannot use -a with -d"));
        }
 
        if (!force) {
-               head_rev = lookup_commit_reference(head_sha1);
+               head_rev = lookup_commit_reference(head_oid.hash);
                if (!head_rev)
                        die(_("Couldn't look up commit object for HEAD"));
        }
        for (i = 0; i < argc; i++, strbuf_release(&bname)) {
-               const char *target;
+               char *target = NULL;
                int flags = 0;
 
-               strbuf_branchname(&bname, argv[i]);
+               strbuf_branchname(&bname, argv[i], allowed_interpret);
                free(name);
                name = mkpathdup(fmt, bname.buf);
 
                if (kinds == FILTER_REFS_BRANCHES) {
-                       char *worktree = find_shared_symref("HEAD", name);
-                       if (worktree) {
+                       const struct worktree *wt =
+                               find_shared_symref("HEAD", name);
+                       if (wt) {
                                error(_("Cannot delete branch '%s' "
                                        "checked out at '%s'"),
-                                     bname.buf, worktree);
-                               free(worktree);
+                                     bname.buf, wt->path);
                                ret = 1;
                                continue;
                        }
                }
 
-               target = resolve_ref_unsafe(name,
-                                           RESOLVE_REF_READING
-                                           | RESOLVE_REF_NO_RECURSE
-                                           | RESOLVE_REF_ALLOW_BAD_NAME,
-                                           sha1, &flags);
+               target = resolve_refdup(name,
+                                       RESOLVE_REF_READING
+                                       | RESOLVE_REF_NO_RECURSE
+                                       | RESOLVE_REF_ALLOW_BAD_NAME,
+                                       oid.hash, &flags);
                if (!target) {
                        error(remote_branch
                              ? _("remote-tracking branch '%s' not found.")
@@ -245,20 +249,20 @@ static int delete_branches(int argc, const char **argv, int force, int kinds,
                }
 
                if (!(flags & (REF_ISSYMREF|REF_ISBROKEN)) &&
-                   check_branch_commit(bname.buf, name, sha1, head_rev, kinds,
+                   check_branch_commit(bname.buf, name, &oid, head_rev, kinds,
                                        force)) {
                        ret = 1;
-                       continue;
+                       goto next;
                }
 
-               if (delete_ref(name, is_null_sha1(sha1) ? NULL : sha1,
+               if (delete_ref(NULL, name, is_null_oid(&oid) ? NULL : oid.hash,
                               REF_NODEREF)) {
                        error(remote_branch
                              ? _("Error deleting remote-tracking branch '%s'")
                              : _("Error deleting branch '%s'"),
                              bname.buf);
                        ret = 1;
-                       continue;
+                       goto next;
                }
                if (!quiet) {
                        printf(remote_branch
@@ -267,9 +271,12 @@ static int delete_branches(int argc, const char **argv, int force, int kinds,
                               bname.buf,
                               (flags & REF_ISBROKEN) ? "broken"
                               : (flags & REF_ISSYMREF) ? target
-                              : find_unique_abbrev(sha1, DEFAULT_ABBREV));
+                              : find_unique_abbrev(oid.hash, DEFAULT_ABBREV));
                }
                delete_branch_config(bname.buf);
+
+       next:
+               free(target);
        }
 
        free(name);
@@ -277,221 +284,109 @@ static int delete_branches(int argc, const char **argv, int force, int kinds,
        return(ret);
 }
 
-static void fill_tracking_info(struct strbuf *stat, const char *branch_name,
-               int show_upstream_ref)
+static int calc_maxwidth(struct ref_array *refs, int remote_bonus)
 {
-       int ours, theirs;
-       char *ref = NULL;
-       struct branch *branch = branch_get(branch_name);
-       const char *upstream;
-       struct strbuf fancy = STRBUF_INIT;
-       int upstream_is_gone = 0;
-       int added_decoration = 1;
-
-       if (stat_tracking_info(branch, &ours, &theirs, &upstream) < 0) {
-               if (!upstream)
-                       return;
-               upstream_is_gone = 1;
-       }
-
-       if (show_upstream_ref) {
-               ref = shorten_unambiguous_ref(upstream, 0);
-               if (want_color(branch_use_color))
-                       strbuf_addf(&fancy, "%s%s%s",
-                                       branch_get_color(BRANCH_COLOR_UPSTREAM),
-                                       ref, branch_get_color(BRANCH_COLOR_RESET));
-               else
-                       strbuf_addstr(&fancy, ref);
-       }
+       int i, max = 0;
+       for (i = 0; i < refs->nr; i++) {
+               struct ref_array_item *it = refs->items[i];
+               const char *desc = it->refname;
+               int w;
 
-       if (upstream_is_gone) {
-               if (show_upstream_ref)
-                       strbuf_addf(stat, _("[%s: gone]"), fancy.buf);
-               else
-                       added_decoration = 0;
-       } else if (!ours && !theirs) {
-               if (show_upstream_ref)
-                       strbuf_addf(stat, _("[%s]"), fancy.buf);
-               else
-                       added_decoration = 0;
-       } else if (!ours) {
-               if (show_upstream_ref)
-                       strbuf_addf(stat, _("[%s: behind %d]"), fancy.buf, theirs);
-               else
-                       strbuf_addf(stat, _("[behind %d]"), theirs);
+               skip_prefix(it->refname, "refs/heads/", &desc);
+               skip_prefix(it->refname, "refs/remotes/", &desc);
+               if (it->kind == FILTER_REFS_DETACHED_HEAD) {
+                       char *head_desc = get_head_description();
+                       w = utf8_strwidth(head_desc);
+                       free(head_desc);
+               } else
+                       w = utf8_strwidth(desc);
 
-       } else if (!theirs) {
-               if (show_upstream_ref)
-                       strbuf_addf(stat, _("[%s: ahead %d]"), fancy.buf, ours);
-               else
-                       strbuf_addf(stat, _("[ahead %d]"), ours);
-       } else {
-               if (show_upstream_ref)
-                       strbuf_addf(stat, _("[%s: ahead %d, behind %d]"),
-                                   fancy.buf, ours, theirs);
-               else
-                       strbuf_addf(stat, _("[ahead %d, behind %d]"),
-                                   ours, theirs);
+               if (it->kind == FILTER_REFS_REMOTES)
+                       w += remote_bonus;
+               if (w > max)
+                       max = w;
        }
-       strbuf_release(&fancy);
-       if (added_decoration)
-               strbuf_addch(stat, ' ');
-       free(ref);
+       return max;
 }
 
-static void add_verbose_info(struct strbuf *out, struct ref_array_item *item,
-                            struct ref_filter *filter, const char *refname)
+static const char *quote_literal_for_format(const char *s)
 {
-       struct strbuf subject = STRBUF_INIT, stat = STRBUF_INIT;
-       const char *sub = _(" **** invalid ref ****");
-       struct commit *commit = item->commit;
+       static struct strbuf buf = STRBUF_INIT;
 
-       if (!parse_commit(commit)) {
-               pp_commit_easy(CMIT_FMT_ONELINE, commit, &subject);
-               sub = subject.buf;
+       strbuf_reset(&buf);
+       while (*s) {
+               const char *ep = strchrnul(s, '%');
+               if (s < ep)
+                       strbuf_add(&buf, s, ep - s);
+               if (*ep == '%') {
+                       strbuf_addstr(&buf, "%%");
+                       s = ep + 1;
+               } else {
+                       s = ep;
+               }
        }
-
-       if (item->kind == FILTER_REFS_BRANCHES)
-               fill_tracking_info(&stat, refname, filter->verbose > 1);
-
-       strbuf_addf(out, " %s %s%s",
-               find_unique_abbrev(item->commit->object.oid.hash, filter->abbrev),
-               stat.buf, sub);
-       strbuf_release(&stat);
-       strbuf_release(&subject);
+       return buf.buf;
 }
 
-static char *get_head_description(void)
+static char *build_format(struct ref_filter *filter, int maxwidth, const char *remote_prefix)
 {
-       struct strbuf desc = STRBUF_INIT;
-       struct wt_status_state state;
-       memset(&state, 0, sizeof(state));
-       wt_status_get_state(&state, 1);
-       if (state.rebase_in_progress ||
-           state.rebase_interactive_in_progress)
-               strbuf_addf(&desc, _("(no branch, rebasing %s)"),
-                           state.branch);
-       else if (state.bisect_in_progress)
-               strbuf_addf(&desc, _("(no branch, bisect started on %s)"),
-                           state.branch);
-       else if (state.detached_from) {
-               if (state.detached_at)
-                       /* TRANSLATORS: make sure this matches
-                          "HEAD detached at " in wt-status.c */
-                       strbuf_addf(&desc, _("(HEAD detached at %s)"),
-                               state.detached_from);
-               else
-                       /* TRANSLATORS: make sure this matches
-                          "HEAD detached from " in wt-status.c */
-                       strbuf_addf(&desc, _("(HEAD detached from %s)"),
-                               state.detached_from);
-       }
-       else
-               strbuf_addstr(&desc, _("(no branch)"));
-       free(state.branch);
-       free(state.onto);
-       free(state.detached_from);
-       return strbuf_detach(&desc, NULL);
-}
+       struct strbuf fmt = STRBUF_INIT;
+       struct strbuf local = STRBUF_INIT;
+       struct strbuf remote = STRBUF_INIT;
 
-static void format_and_print_ref_item(struct ref_array_item *item, int maxwidth,
-                                     struct ref_filter *filter, const char *remote_prefix)
-{
-       char c;
-       int current = 0;
-       int color;
-       struct strbuf out = STRBUF_INIT, name = STRBUF_INIT;
-       const char *prefix_to_show = "";
-       const char *prefix_to_skip = NULL;
-       const char *desc = item->refname;
-       char *to_free = NULL;
+       strbuf_addf(&fmt, "%%(if)%%(HEAD)%%(then)* %s%%(else)  %%(end)",
+                   branch_get_color(BRANCH_COLOR_CURRENT));
 
-       switch (item->kind) {
-       case FILTER_REFS_BRANCHES:
-               prefix_to_skip = "refs/heads/";
-               skip_prefix(desc, prefix_to_skip, &desc);
-               if (!filter->detached && !strcmp(desc, head))
-                       current = 1;
+       if (filter->verbose) {
+               struct strbuf obname = STRBUF_INIT;
+
+               if (filter->abbrev < 0)
+                       strbuf_addf(&obname, "%%(objectname:short)");
+               else if (!filter->abbrev)
+                       strbuf_addf(&obname, "%%(objectname)");
                else
-                       color = BRANCH_COLOR_LOCAL;
-               break;
-       case FILTER_REFS_REMOTES:
-               prefix_to_skip = "refs/remotes/";
-               skip_prefix(desc, prefix_to_skip, &desc);
-               color = BRANCH_COLOR_REMOTE;
-               prefix_to_show = remote_prefix;
-               break;
-       case FILTER_REFS_DETACHED_HEAD:
-               desc = to_free = get_head_description();
-               current = 1;
-               break;
-       default:
-               color = BRANCH_COLOR_PLAIN;
-               break;
-       }
+                       strbuf_addf(&obname, "%%(objectname:short=%d)", filter->abbrev);
 
-       c = ' ';
-       if (current) {
-               c = '*';
-               color = BRANCH_COLOR_CURRENT;
-       }
+               strbuf_addf(&local, "%%(align:%d,left)%%(refname:lstrip=2)%%(end)", maxwidth);
+               strbuf_addf(&local, "%s", branch_get_color(BRANCH_COLOR_RESET));
+               strbuf_addf(&local, " %s ", obname.buf);
 
-       strbuf_addf(&name, "%s%s", prefix_to_show, desc);
-       if (filter->verbose) {
-               int utf8_compensation = strlen(name.buf) - utf8_strwidth(name.buf);
-               strbuf_addf(&out, "%c %s%-*s%s", c, branch_get_color(color),
-                           maxwidth + utf8_compensation, name.buf,
-                           branch_get_color(BRANCH_COLOR_RESET));
-       } else
-               strbuf_addf(&out, "%c %s%s%s", c, branch_get_color(color),
-                           name.buf, branch_get_color(BRANCH_COLOR_RESET));
-
-       if (item->symref) {
-               const char *symref = item->symref;
-               if (prefix_to_skip)
-                       skip_prefix(symref, prefix_to_skip, &symref);
-               strbuf_addf(&out, " -> %s", symref);
-       }
-       else if (filter->verbose)
-               /* " f7c0c00 [ahead 58, behind 197] vcs-svn: drop obj_pool.h" */
-               add_verbose_info(&out, item, filter, desc);
-       if (column_active(colopts)) {
-               assert(!filter->verbose && "--column and --verbose are incompatible");
-               string_list_append(&output, out.buf);
+               if (filter->verbose > 1)
+                       strbuf_addf(&local, "%%(if)%%(upstream)%%(then)[%s%%(upstream:short)%s%%(if)%%(upstream:track)"
+                                   "%%(then): %%(upstream:track,nobracket)%%(end)] %%(end)%%(contents:subject)",
+                                   branch_get_color(BRANCH_COLOR_UPSTREAM), branch_get_color(BRANCH_COLOR_RESET));
+               else
+                       strbuf_addf(&local, "%%(if)%%(upstream:track)%%(then)%%(upstream:track) %%(end)%%(contents:subject)");
+
+               strbuf_addf(&remote, "%s%%(align:%d,left)%s%%(refname:lstrip=2)%%(end)%s"
+                           "%%(if)%%(symref)%%(then) -> %%(symref:short)"
+                           "%%(else) %s %%(contents:subject)%%(end)",
+                           branch_get_color(BRANCH_COLOR_REMOTE), maxwidth, quote_literal_for_format(remote_prefix),
+                           branch_get_color(BRANCH_COLOR_RESET), obname.buf);
+               strbuf_release(&obname);
        } else {
-               printf("%s\n", out.buf);
+               strbuf_addf(&local, "%%(refname:lstrip=2)%s%%(if)%%(symref)%%(then) -> %%(symref:short)%%(end)",
+                           branch_get_color(BRANCH_COLOR_RESET));
+               strbuf_addf(&remote, "%s%s%%(refname:lstrip=2)%s%%(if)%%(symref)%%(then) -> %%(symref:short)%%(end)",
+                           branch_get_color(BRANCH_COLOR_REMOTE), quote_literal_for_format(remote_prefix),
+                           branch_get_color(BRANCH_COLOR_RESET));
        }
-       strbuf_release(&name);
-       strbuf_release(&out);
-       free(to_free);
-}
 
-static int calc_maxwidth(struct ref_array *refs, int remote_bonus)
-{
-       int i, max = 0;
-       for (i = 0; i < refs->nr; i++) {
-               struct ref_array_item *it = refs->items[i];
-               const char *desc = it->refname;
-               int w;
+       strbuf_addf(&fmt, "%%(if:notequals=refs/remotes)%%(refname:rstrip=-2)%%(then)%s%%(else)%s%%(end)", local.buf, remote.buf);
 
-               skip_prefix(it->refname, "refs/heads/", &desc);
-               skip_prefix(it->refname, "refs/remotes/", &desc);
-               w = utf8_strwidth(desc);
-
-               if (it->kind == FILTER_REFS_REMOTES)
-                       w += remote_bonus;
-               if (w > max)
-                       max = w;
-       }
-       return max;
+       strbuf_release(&local);
+       strbuf_release(&remote);
+       return strbuf_detach(&fmt, NULL);
 }
 
-static void print_ref_list(struct ref_filter *filter, struct ref_sorting *sorting)
+static void print_ref_list(struct ref_filter *filter, struct ref_sorting *sorting, const char *format)
 {
        int i;
        struct ref_array array;
        int maxwidth = 0;
        const char *remote_prefix = "";
+       struct strbuf out = STRBUF_INIT;
+       char *to_free = NULL;
 
        /*
         * If we are listing more than just remote branches,
@@ -503,27 +398,55 @@ static void print_ref_list(struct ref_filter *filter, struct ref_sorting *sortin
 
        memset(&array, 0, sizeof(array));
 
-       verify_ref_format("%(refname)%(symref)");
        filter_refs(&array, filter, filter->kind | FILTER_REFS_INCLUDE_BROKEN);
 
        if (filter->verbose)
                maxwidth = calc_maxwidth(&array, strlen(remote_prefix));
 
-       /*
-        * If no sorting parameter is given then we default to sorting
-        * by 'refname'. This would give us an alphabetically sorted
-        * array with the 'HEAD' ref at the beginning followed by
-        * local branches 'refs/heads/...' and finally remote-tacking
-        * branches 'refs/remotes/...'.
-        */
-       if (!sorting)
-               sorting = ref_default_sorting();
+       if (!format)
+               format = to_free = build_format(filter, maxwidth, remote_prefix);
+       verify_ref_format(format);
+
        ref_array_sort(sorting, &array);
 
-       for (i = 0; i < array.nr; i++)
-               format_and_print_ref_item(array.items[i], maxwidth, filter, remote_prefix);
+       for (i = 0; i < array.nr; i++) {
+               format_ref_array_item(array.items[i], format, 0, &out);
+               if (column_active(colopts)) {
+                       assert(!filter->verbose && "--column and --verbose are incompatible");
+                        /* format to a string_list to let print_columns() do its job */
+                       string_list_append(&output, out.buf);
+               } else {
+                       fwrite(out.buf, 1, out.len, stdout);
+                       putchar('\n');
+               }
+               strbuf_release(&out);
+       }
 
        ref_array_clear(&array);
+       free(to_free);
+}
+
+static void reject_rebase_or_bisect_branch(const char *target)
+{
+       struct worktree **worktrees = get_worktrees(0);
+       int i;
+
+       for (i = 0; worktrees[i]; i++) {
+               struct worktree *wt = worktrees[i];
+
+               if (!wt->is_detached)
+                       continue;
+
+               if (is_worktree_being_rebased(wt, target))
+                       die(_("Branch %s is being rebased at %s"),
+                           target, wt->path);
+
+               if (is_worktree_being_bisected(wt, target))
+                       die(_("Branch %s is being bisected at %s"),
+                           target, wt->path);
+       }
+
+       free_worktrees(worktrees);
 }
 
 static void rename_branch(const char *oldname, const char *newname, int force)
@@ -555,19 +478,22 @@ static void rename_branch(const char *oldname, const char *newname, int force)
 
        validate_new_branchname(newname, &newref, force, clobber_head_ok);
 
+       reject_rebase_or_bisect_branch(oldref.buf);
+
        strbuf_addf(&logmsg, "Branch: renamed %s to %s",
                 oldref.buf, newref.buf);
 
        if (rename_ref(oldref.buf, newref.buf, logmsg.buf))
                die(_("Branch rename failed"));
-       strbuf_release(&logmsg);
 
        if (recovery)
                warning(_("Renamed a misnamed branch '%s' away"), oldref.buf + 11);
 
-       if (replace_each_worktree_head_symref(oldref.buf, newref.buf))
+       if (replace_each_worktree_head_symref(oldref.buf, newref.buf, logmsg.buf))
                die(_("Branch renamed to %s, but HEAD is not updated!"), newname);
 
+       strbuf_release(&logmsg);
+
        strbuf_addf(&oldsection, "branch.%s", oldref.buf + 11);
        strbuf_release(&oldref);
        strbuf_addf(&newsection, "branch.%s", newref.buf + 11);
@@ -578,7 +504,7 @@ static void rename_branch(const char *oldname, const char *newname, int force)
        strbuf_release(&newsection);
 }
 
-static const char edit_description[] = "BRANCH_DESCRIPTION";
+static GIT_PATH_FUNC(edit_description, "EDIT_DESCRIPTION")
 
 static int edit_branch_description(const char *branch_name)
 {
@@ -589,17 +515,13 @@ static int edit_branch_description(const char *branch_name)
        if (!buf.len || buf.buf[buf.len-1] != '\n')
                strbuf_addch(&buf, '\n');
        strbuf_commented_addf(&buf,
-                   "Please edit the description for the branch\n"
-                   "  %s\n"
-                   "Lines starting with '%c' will be stripped.\n",
+                   _("Please edit the description for the branch\n"
+                     "  %s\n"
+                     "Lines starting with '%c' will be stripped.\n"),
                    branch_name, comment_line_char);
-       if (write_file_gently(git_path(edit_description), "%s", buf.buf)) {
-               strbuf_release(&buf);
-               return error(_("could not write branch description template: %s"),
-                            strerror(errno));
-       }
+       write_file_buf(edit_description(), buf.buf, buf.len);
        strbuf_reset(&buf);
-       if (launch_editor(git_path(edit_description), &buf, NULL)) {
+       if (launch_editor(edit_description(), &buf, NULL)) {
                strbuf_release(&buf);
                return -1;
        }
@@ -621,7 +543,9 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
        const char *new_upstream = NULL;
        enum branch_track track;
        struct ref_filter filter;
+       int icase = 0;
        static struct ref_sorting *sorting = NULL, **sorting_tail = &sorting;
+       const char *format = NULL;
 
        struct option options[] = {
                OPT_GROUP(N_("Generic options")),
@@ -633,12 +557,14 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
                OPT_SET_INT( 0, "set-upstream",  &track, N_("change upstream info"),
                        BRANCH_TRACK_OVERRIDE),
                OPT_STRING('u', "set-upstream-to", &new_upstream, N_("upstream"), N_("change the upstream info")),
-               OPT_BOOL(0, "unset-upstream", &unset_upstream, "Unset the upstream info"),
+               OPT_BOOL(0, "unset-upstream", &unset_upstream, N_("Unset the upstream info")),
                OPT__COLOR(&branch_use_color, N_("use colored output")),
                OPT_SET_INT('r', "remotes",     &filter.kind, N_("act on remote-tracking branches"),
                        FILTER_REFS_REMOTES),
                OPT_CONTAINS(&filter.with_commit, N_("print only branches that contain the commit")),
+               OPT_NO_CONTAINS(&filter.no_commit, N_("print only branches that don't contain the commit")),
                OPT_WITH(&filter.with_commit, N_("print only branches that contain the commit")),
+               OPT_WITHOUT(&filter.no_commit, N_("print only branches that don't contain the commit")),
                OPT__ABBREV(&filter.abbrev),
 
                OPT_GROUP(N_("Specific git-branch actions:")),
@@ -662,9 +588,13 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
                        OPTION_CALLBACK, 0, "points-at", &filter.points_at, N_("object"),
                        N_("print only branches of the object"), 0, parse_opt_object_name
                },
+               OPT_BOOL('i', "ignore-case", &icase, N_("sorting and filtering are case insensitive")),
+               OPT_STRING(  0 , "format", &format, N_("format"), N_("format to use for the output")),
                OPT_END(),
        };
 
+       setup_ref_filter_porcelain_msg();
+
        memset(&filter, 0, sizeof(filter));
        filter.kind = FILTER_REFS_BRANCHES;
        filter.abbrev = -1;
@@ -676,7 +606,7 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
 
        track = git_branch_track;
 
-       head = resolve_refdup("HEAD", 0, head_sha1, NULL);
+       head = resolve_refdup("HEAD", 0, head_oid.hash, NULL);
        if (!head)
                die(_("Failed to resolve HEAD as a valid ref."));
        if (!strcmp(head, "HEAD"))
@@ -690,7 +620,8 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
        if (!delete && !rename && !edit_description && !new_upstream && !unset_upstream && argc == 0)
                list = 1;
 
-       if (filter.with_commit || filter.merge != REF_FILTER_MERGED_NONE || filter.points_at.nr)
+       if (filter.with_commit || filter.merge != REF_FILTER_MERGED_NONE || filter.points_at.nr ||
+           filter.no_commit)
                list = 1;
 
        if (!!delete + !!rename + !!new_upstream +
@@ -699,6 +630,8 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
 
        if (filter.abbrev == -1)
                filter.abbrev = DEFAULT_ABBREV;
+       filter.ignore_case = icase;
+
        finalize_colopts(&colopts, -1);
        if (filter.verbose) {
                if (explicitly_enable_column(colopts))
@@ -720,7 +653,17 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
                if ((filter.kind & FILTER_REFS_BRANCHES) && filter.detached)
                        filter.kind |= FILTER_REFS_DETACHED_HEAD;
                filter.name_patterns = argv;
-               print_ref_list(&filter, sorting);
+               /*
+                * If no sorting parameter is given then we default to sorting
+                * by 'refname'. This would give us an alphabetically sorted
+                * array with the 'HEAD' ref at the beginning followed by
+                * local branches 'refs/heads/...' and finally remote-tacking
+                * branches 'refs/remotes/...'.
+                */
+               if (!sorting)
+                       sorting = ref_default_sorting();
+               sorting->ignore_case = icase;
+               print_ref_list(&filter, sorting, format);
                print_columns(&output, colopts, NULL);
                string_list_clear(&output, 0);
                return 0;
@@ -783,7 +726,7 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
                 * create_branch takes care of setting up the tracking
                 * info and making sure new_upstream is correct
                 */
-               create_branch(head, branch->name, new_upstream, 0, 0, 0, quiet, BRANCH_TRACK_OVERRIDE);
+               create_branch(branch->name, new_upstream, 0, 0, 0, quiet, BRANCH_TRACK_OVERRIDE);
        } else if (unset_upstream) {
                struct branch *branch = branch_get(argv[0]);
                struct strbuf buf = STRBUF_INIT;
@@ -829,7 +772,7 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
                strbuf_release(&buf);
 
                branch_existed = ref_exists(branch->refname);
-               create_branch(head, argv[0], (argc == 2) ? argv[1] : head,
+               create_branch(argv[0], (argc == 2) ? argv[1] : head,
                              force, reflog, 0, quiet, track);
 
                /*