-# Update origin.
-mkdir -p "$D/.git/remotes/" &&
-rm -f "$D/.git/remotes/origin" &&
-echo >"$D/.git/remotes/origin" \
-"URL: $repo
-Pull: master:origin"
+cd "$D" || exit
+
+if test -f ".git/HEAD"
+then
+ head_points_at=`git-symbolic-ref HEAD`
+ case "$head_points_at" in
+ refs/heads/*)
+ head_points_at=`expr "$head_points_at" : 'refs/heads/\(.*\)'`
+ mkdir -p .git/remotes &&
+ echo >.git/remotes/origin \
+ "URL: $repo
+Pull: $head_points_at:origin" &&
+ cp ".git/refs/heads/$head_points_at" .git/refs/heads/origin &&
+ find .git/refs/heads -type f -print |
+ while read ref
+ do
+ head=`expr "$ref" : '.git/refs/heads/\(.*\)'` &&
+ test "$head_points_at" = "$head" ||
+ test "origin" = "$head" ||
+ echo "Pull: ${head}:${head}"
+ done >>.git/remotes/origin
+ esac
+
+ case "$no_checkout" in
+ '')
+ git checkout
+ esac
+fi