cvsimport: catch error condition where cvs host disappears

Add error handling for cases where the cvs server goes away unexpectedly.
While I don't know why the cvs server is so erratic, we should definitely
exit here before committing bogus files.

Signed-off-by: Martin Langhoff <martin@catalyst.net.nz>
Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/git-cvsimport.perl b/git-cvsimport.perl
index bbb83fb..e3cad5a 100755 (executable)
--- a/git-cvsimport.perl
+++ b/git-cvsimport.perl
@@ -337,6 +337,10 @@ sub file {
        }
        close ($fh);
 
+       if ($res eq '') {
+           die "Looks like the server has gone away while fetching $fn $rev -- exiting!";
+       }
+
        return ($name, $res);
 }