From 69b30a3f6c6179c6868493aebeeb035d493dcb43 Mon Sep 17 00:00:00 2001
From: "Eric S. Raymond" <esr@thyrsus.com>
Date: Fri, 7 Nov 2014 16:42:10 -0500
Subject: [PATCH] Add out-of-bounds revision check.

---
 src     | 2 ++
 srctest | 4 +++-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/src b/src
index 295eefe..8068be5 100755
--- a/src
+++ b/src
@@ -232,6 +232,8 @@ class RCSLog:
                 end = self.symbols[end]
             else:
                 croak("can't resolve symbol {0} in {1}".format(end, self.name))
+        if end > len(self):
+            croak("{0} has no {1} revision".format(self.name, end))
         return range(start, end+1) 
 
 def help_method(*args):
diff --git a/srctest b/srctest
index 5ab05b9..781ae37 100755
--- a/srctest
+++ b/srctest
@@ -97,6 +97,8 @@ src $TESTOPTS log testfile1 >testfile5
 diff testfile4 testfile5
 check "3-commit log test"
 
-# to do: checkout, tag, fast-export, out-of-bounds revisions.
+#src list 5 testfile1
+
+# to do: checkout, tag, fast-export
 
 # end
-- 
2.43.0