Merge branch 'mh/show-branch-topic'

"git show-branch --topics HEAD" (with no other arguments) did not
do anything interesting.  Instead, contrast the given revision
against all the local branches by default.

* mh/show-branch-topic:
show-branch: show all local heads when only giving one rev along --topics

diff --git a/builtin/show-branch.c b/builtin/show-branch.c
index f3fb5fb2bf28019dafcbd2bfbd6b1a024aa6da2f..e69fb7c489885ad2466397a8a25c34d87eff9ce9 100644 (file)
--- a/builtin/show-branch.c
+++ b/builtin/show-branch.c
@@ -718,7 +718,7 @@ int cmd_show_branch(int ac, const char **av, const char *prefix)
        }
 
        /* If nothing is specified, show all branches by default */
-       if (ac + all_heads + all_remotes == 0)
+       if (ac <= topics && all_heads + all_remotes == 0)
                all_heads = 1;
 
        if (reflog) {
@@ -785,13 +785,13 @@ int cmd_show_branch(int ac, const char **av, const char *prefix)
                }
                free(ref);
        }
-       else if (all_heads + all_remotes)
-               snarf_refs(all_heads, all_remotes);
        else {
                while (0 < ac) {
                        append_one_rev(*av);
                        ac--; av++;
                }
+               if (all_heads + all_remotes)
+                       snarf_refs(all_heads, all_remotes);
        }
 
        head_p = resolve_ref_unsafe("HEAD", RESOLVE_REF_READING,