From: Fabian Keil <fk@fabiankeil.de>
Date: Mon, 31 Jan 2011 19:29:46 +0000 (+0100)
Subject: git-cvsimport.perl: Bail out right away when reading from the server fails
X-Git-Tag: v1.7.5-rc0~76^2
X-Git-Url: https://git.tokkee.org/?a=commitdiff_plain;h=e7cad3ccd05461b0defdef86c9d786ab6fb9fe40;p=git.git

git-cvsimport.perl: Bail out right away when reading from the server fails

If the CVS server is down, this reduced the git-cvsimport output from:

ssh: connect to host ijbswa.cvs.sourceforge.net port 22: Connection refused
Use of uninitialized value $rep in scalar chomp at /usr/local/libexec/git-core/git-cvsimport line 369.
Use of uninitialized value $rep in substitution (s///) at /usr/local/libexec/git-core/git-cvsimport line 370.
Expected Valid-requests from server, but got: <unknown>

to the less noisy:

ssh: connect to host ijbswa.cvs.sourceforge.net port 22: Connection refused
Failed to read from server at /usr/local/libexec/git-core/git-cvsimport line 370.

In this case a silent exit() instead of the die() would probably do,
but I assume that there could be cases where the connection attempt
succeeds, but reading from the server fails for other reasons.

Signed-off-by: Fabian Keil <fk@fabiankeil.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
---

diff --git a/git-cvsimport.perl b/git-cvsimport.perl
index 8e683e547..bbf327f3e 100755
--- a/git-cvsimport.perl
+++ b/git-cvsimport.perl
@@ -366,7 +366,9 @@ sub conn {
 	$self->{'socketo'}->write("valid-requests\n");
 	$self->{'socketo'}->flush();
 
-	chomp(my $rep=$self->readline());
+	my $rep=$self->readline();
+	die "Failed to read from server" unless defined $rep;
+	chomp($rep);
 	if ($rep !~ s/^Valid-requests\s*//) {
 		$rep="<unknown>" unless $rep;
 		die "Expected Valid-requests from server, but got: $rep\n";