useragent: Raise an exception if the LWP module can't be loaded

Signed-off-by: Simon McVittie <smcv@debian.org>

diff --git a/IkiWiki.pm b/IkiWiki.pm
index 90cb96e5865ba193db122ce42ea7d4cb449bb49f..dc047b08ae55ae085e5b27b2d1a577f0d66d42e2 100644 (file)
--- a/IkiWiki.pm
+++ b/IkiWiki.pm
@@ -2470,6 +2470,9 @@ sub add_autofile ($$$) {
 }
 
 sub useragent () {
+       eval q{use LWP};
+       error($@) if $@;
+
        return LWP::UserAgent->new(
                cookie_jar => $config{cookiejar},
                env_proxy => 1,         # respect proxy env vars