git-am: Don't accept an mbox on stdin of we already have a .dotest directory

diff --git a/git-merge-one-file.sh b/git-merge-one-file.sh
index 5349a1c0fc54eb0b7feaf6192d20b6c6b2ab5e3b..fba4b0cb5fffbb1ad3f39c670c6364975c52186a 100755 (executable)
--- a/git-merge-one-file.sh
+++ b/git-merge-one-file.sh
@@ -8,7 +8,7 @@
 #   $2 - file in branch1 SHA1 (or empty)
 #   $3 - file in branch2 SHA1 (or empty)
 #   $4 - pathname in repository
-#   $5 - orignal file mode (or empty)
+#   $5 - original file mode (or empty)
 #   $6 - file in branch1 mode (or empty)
 #   $7 - file in branch2 mode (or empty)
 #
@@ -26,7 +26,7 @@ case "${1:-.}${2:-.}${3:-.}" in
        fi
        if test -f "$4"; then
                rm -f -- "$4" &&
-               rmdir -p "$(expr "$4" : '\(.*\)/')" 2>/dev/null || :
+               rmdir -p "$(expr "z$4" : 'z\(.*\)/')" 2>/dev/null || :
        fi &&
                exec git-update-index --remove -- "$4"
        ;;