show-branch -g: default to the current branch.

Now we have a separate reflog on HEAD, show-branch -g without an explicit
parameter defaults to the current branch, or HEAD when it is detached
from branches.

Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/Documentation/git-show-branch.txt b/Documentation/git-show-branch.txt
index b38633c3973a21860428a02ef3344110f65cec0f..ba5313d51f8ba8380bd5519bf0c15a491a9bc83a 100644 (file)
--- a/Documentation/git-show-branch.txt
+++ b/Documentation/git-show-branch.txt
@@ -11,7 +11,7 @@ SYNOPSIS
 'git-show-branch' [--all] [--remotes] [--topo-order] [--current]
                [--more=<n> | --list | --independent | --merge-base]
                [--no-name | --sha1-name] [--topics] [<rev> | <glob>]...
-'git-show-branch' (-g|--reflog)[=<n>[,<base>]] [--list] <ref>
+'git-show-branch' (-g|--reflog)[=<n>[,<base>]] [--list] [<ref>]
 
 DESCRIPTION
 -----------
@@ -97,11 +97,13 @@ OPTIONS
        will show the revisions given by "git rev-list {caret}master
        topic1 topic2"
 
---reflog[=<n>[,<base>]] <ref>::
+--reflog[=<n>[,<base>]] [<ref>]::
        Shows <n> most recent ref-log entries for the given
        ref.  If <base> is given, <n> entries going back from
        that entry.  <base> can be specified as count or date.
-       `-g` can be used as a short-hand for this option.
+       `-g` can be used as a short-hand for this option.  When
+       no explicit <ref> parameter is given, it defaults to the
+       current branch (or `HEAD` if it is detached).
 
 Note that --more, --list, --independent and --merge-base options
 are mutually exclusive.

diff --git a/builtin-show-branch.c b/builtin-show-branch.c
index fa62e487b186adc72ac41aacca31b4f4c8baefa9..0d94e40df893ee6ecf146e8987c0696cb4874a36 100644 (file)
--- a/builtin-show-branch.c
+++ b/builtin-show-branch.c
@@ -690,7 +690,10 @@ int cmd_show_branch(int ac, const char **av, const char *prefix)
 
                if (ac == 0) {
                        static const char *fake_av[2];
-                       fake_av[0] = "HEAD";
+                       const char *refname;
+
+                       refname = resolve_ref("HEAD", sha1, 1, NULL);
+                       fake_av[0] = xstrdup(refname);
                        fake_av[1] = NULL;
                        av = fake_av;
                        ac = 1;