[Intel-gfx] [PATCH] dim: really make the branch argument for dim retip optional

[Daniel Vetter]

Some didn't work, at least here.

Signed-off-by: Daniel Vetter <daniel.vetter at intel.com>
---
 dim | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/dim b/dim
index 821147510dc5..91e75299f56d 100755
--- a/dim
+++ b/dim
@@ -380,7 +380,13 @@ function dim_retip
 	local branch upstream remote
 
 	branch="$1"
-	shift
+
+	if [ -n "$branch" ] ; then
+		shift
+	else
+		branch=$(git symbolic-ref --short HEAD)
+	fi
+
 	remote=$(url_to_remote $drm_tip_ssh)
 	upstream=$(git_find_tip "$branch")
 
-- 
2.11.0