Remove dependency on List::Util (core module).

3 files changed, 4 insertions, 5 deletions

diff --git a/Changelog b/Changelog
index abdb3ef..8952ba6 100644
--- a/Changelog
+++ b/Changelog
@@ -50,6 +50,7 @@ lacme (0.7.1) upstream;
  + accountd: replace internal option --conn-fd=FD with flag --stdio.
    Using stdin/stdout makes it possible to tunnel the accountd
    connection through ssh.
+ + Remove dependency on List::Util (core module).
  - lacme: delay webserver socket shutdown to after the process has
    terminated.
  - documentation: suggest to generate private key material with
diff --git a/INSTALL b/INSTALL
index cb8d57f..85bd0c2 100644
--- a/INSTALL
+++ b/INSTALL
@@ -28,7 +28,6 @@ lacme depends on OpenSSL ≥1.1.0 and the following Perl modules:
   - File::Temp (core module)
   - Getopt::Long (core module)
   - JSON (optionally C/XS-accelerated with JSON::XS)
-  - List::Util (core module)
   - LWP::UserAgent
   - LWP::Protocol::https (for https:// ACME directory URIs)
   - MIME::Base64 (core module)
diff --git a/lacme b/lacme
index 9f46b47..cb399f9 100755
--- a/lacme
+++ b/lacme
@@ -30,7 +30,6 @@ use Fcntl qw/F_GETFD F_SETFD FD_CLOEXEC O_CREAT O_EXCL O_WRONLY SEEK_SET/;
 use File::Basename 'dirname';
 use File::Temp ();
 use Getopt::Long qw/:config posix_default no_ignore_case gnu_getopt auto_version/;
-use List::Util 'first';
 use POSIX ();
 use Socket 1.95 qw/AF_UNIX AF_INET AF_INET6 PF_UNIX PF_INET PF_INET6 PF_UNSPEC
                    INADDR_ANY IN6ADDR_ANY IPPROTO_IPV6
@@ -744,15 +743,15 @@ elsif ($COMMAND eq 'newOrder' or $COMMAND eq 'new-cert') {
             print STDERR "    $_ = $conf->{$_}\n" foreach grep { defined $conf->{$_} } (sort keys %$conf);
         }
 
-        my $certtype = first { defined $conf->{$_} } qw/certificate certificate-chain/;
-        unless (defined $certtype) {
+        my $cert = $conf->{'certificate-chain'} // $conf->{'certificate'};
+        unless (defined $cert) {
             print STDERR "[$s] Warning: Missing 'certificate' and 'certificate-chain', skipping\n";
             $rv = 1;
             next;
         }
 
         # skip certificates that expire at least $conf->{'min-days'} days in the future
-        if (-f $conf->{$certtype} and defined (my $t = x509_enddate($conf->{$certtype}))) {
+        if (-f $cert and defined (my $t = x509_enddate($cert))) {
             my $d = $OPTS{'min-days'} // $conf->{'min-days'} // 21;
             if ($d >= 0 and $t - time > $d*86400) {
                 my $d = POSIX::strftime('%Y-%m-%d %H:%M:%S UTC', gmtime($t));