clean: preserve nested git worktree in subdirectories

diff --git a/git-am.sh b/git-am.sh
index 1c13b1399185506dd11750fe7e8c1b989a0f3d0c..f43a75b04bf692b9ff6acaae0f6bbe51369aa399 100755 (executable)
--- a/git-am.sh
+++ b/git-am.sh
@@ -201,7 +201,7 @@ check_patch_format () {
                l1=
                while test -z "$l1"
                do
-                       read l1
+                       read l1 || break
                done
                read l2
                read l3