From bcf316187699c5e97bf47c1b8a00c844bf809fbc Mon Sep 17 00:00:00 2001
From: Junio C Hamano <junkio@cox.net>
Date: Sat, 20 Jan 2007 19:11:29 -0800
Subject: [PATCH] git-rebase: allow rebasing a detached HEAD.

Signed-off-by: Junio C Hamano <junkio@cox.net>
---
 git-rebase.sh | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/git-rebase.sh b/git-rebase.sh
index c8bd0f99d..99cedadda 100755
--- a/git-rebase.sh
+++ b/git-rebase.sh
@@ -275,8 +275,12 @@ case "$#" in
 	git-checkout "$2" || usage
 	;;
 *)
-	branch_name=`git symbolic-ref HEAD` || die "No current branch"
-	branch_name=`expr "z$branch_name" : 'zrefs/heads/\(.*\)'`
+	if branch_name=`git symbolic-ref -q HEAD`
+	then
+		branch_name=`expr "z$branch_name" : 'zrefs/heads/\(.*\)'`
+	else
+		branch_name=HEAD ;# detached
+	fi
 	;;
 esac
 branch=$(git-rev-parse --verify "${branch_name}^0") || exit
-- 
2.30.2