Sanity-check modes more carefully.

diff --git a/rcs-fast-import b/rcs-fast-import
index bab2206b9cf4c474717ab5218ec9eef8577b4184..c8d6b77521ab57ccef03556576570ff372a1142c 100755 (executable)
--- a/rcs-fast-import
+++ b/rcs-fast-import
@@ -670,6 +670,10 @@ class RCS(Generic):
     def sanecheck(self, event, path, mode, copyfile):
         if mode == "160000":
             raise FatalException("ignoring a submodule link %s", path)
+        elif mode == "120000":
+            raise FatalException("ignoring a symlink %s", path)
+        if not mode[-3:] in ('644', '755'):
+            raise FatalException("unknown mode %s on %s", (mode, path))
     def checkin(self, commit, comment, op, path):
         "Check in a new revision - also used to create new masters."
         command = "ci -l"