From f879818b10dc6e4a302cb3a461bbf3a3178e962e Mon Sep 17 00:00:00 2001
From: Brad Fitzpatrick <brad@danga.com>
Date: Sun, 23 Dec 2012 11:05:12 -0800
Subject: [PATCH] dev-server: warn about missing svn

Change-Id: I6db5c5978d3ad26f771c35ce2d3e1a6e3f313ce9
---
 dev-server | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/dev-server b/dev-server
index ce9e3725f..ca87625a9 100755
--- a/dev-server
+++ b/dev-server
@@ -178,11 +178,13 @@ unless ($opt_staticres) {
             my $local_rev = "r" . `svnversion`;
             chomp($local_rev);
             if ($local_rev ne $closure_rev) {
+                die "No 'svn' found; install Subversion.\n" unless `which svn` =~ /\S/;
                 system("svn", "update", "-r", $closure_rev)
                     and die "Failed to svn up the closure library: $!\n";
             }
             chdir $Bin or die;
         } else {
+            die "No 'svn' found; install Subversion.\n" unless `which svn` =~ /\S/;
             system("svn", "checkout", "-r", $closure_rev, $closure_svn, "tmp")
                 and die "Failed to svn co the closure library: $!\n";
         }