Pass options to underlying git-rev-list from show-branches.

This lets you say "git show-branches --max-count=30".

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

diff --git a/git-show-branches-script b/git-show-branches-script
index 263025c..90018a9 100755 (executable)
--- a/git-show-branches-script
+++ b/git-show-branches-script
@@ -5,15 +5,23 @@
 
 . git-sh-setup-script || die "Not a git repository"
 
+usage () {
+    die "usage: $0 <ref>..."
+}
+
 headref=`readlink $GIT_DIR/HEAD`
-case "$#" in
-0)
-       set x `cd $GIT_DIR/refs &&
-           find heads -type f -print |
-           sed -e 's|heads/||' |
-           sort`
+
+case "$(git-rev-parse --no-revs)" in '') ;; *) usage ;; esac
+revs=$(git-rev-parse --revs-only --symbolic --no-flags "$@")
+flags=$(git-rev-parse --revs-only --flags "$@")
+case "$revs" in
+'')
+       revs=$(git-rev-parse --symbolic --all | sed -ne 's|^refs/heads/||p' |
+              sort)
        shift ;;
 esac
+set x $revs
+shift
 
 hh= in=
 for ref
@@ -22,7 +30,7 @@ do
        */"$ref") H='*' ;;
        *) H='!' ;;
        esac
-       h=`git-rev-parse --verify "$ref^0"` || exit
+       h=`git-rev-parse --verify "$ref^0" 2>/dev/null` || continue
        l=`git-log-script --max-count=1 --pretty=oneline "$h" |
                sed -e 's/^[^ ]* //'`
        hh="$hh $h"
@@ -32,7 +40,7 @@ done
 set x $hh
 shift
 
-git-rev-list --pretty=oneline "$@" |
+git-rev-list --pretty=oneline $flags $@ |
 while read v l
 do
        in=''