X-Git-Url: http://www.git.stargrave.org/?a=blobdiff_plain;f=t%2Fcommon.perl;h=e49a596524b17c5d559ed6f871bb80195e45fdef;hb=50c822076abee76c3133ffc3482488392eecedfb;hp=5c5fcd84890dbef23a07c2529c28b8341acc6bd7;hpb=3d41aa23f35501ca92aab8aa42980fa73f7fa74f;p=public-inbox.git

diff --git a/t/common.perl b/t/common.perl
index 5c5fcd84..e49a5965 100644
--- a/t/common.perl
+++ b/t/common.perl
@@ -1,6 +1,9 @@
 # Copyright (C) 2015-2018 all contributors <meta@public-inbox.org>
 # License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
 
+use Fcntl qw(FD_CLOEXEC F_SETFD F_GETFD);
+use POSIX qw(dup2);
+
 sub stream_to_string {
 	my ($res) = @_;
 	my $body = $res->[2];
@@ -12,4 +15,42 @@ sub stream_to_string {
 	$str;
 }
 
+sub spawn_listener {
+	my ($env, $cmd, $socks) = @_;
+	my $pid = fork;
+	defined $pid or die "fork failed: $!\n";
+	if ($pid == 0) {
+		# pretend to be systemd (cf. sd_listen_fds(3))
+		my $fd = 3; # 3 == SD_LISTEN_FDS_START
+		foreach my $s (@$socks) {
+			my $fl = fcntl($s, F_GETFD, 0);
+			if (($fl & FD_CLOEXEC) != FD_CLOEXEC) {
+				warn "got FD:".fileno($s)." w/o CLOEXEC\n";
+			}
+			fcntl($s, F_SETFD, $fl &= ~FD_CLOEXEC);
+			dup2(fileno($s), $fd++) or die "dup2 failed: $!\n";
+		}
+		$ENV{LISTEN_PID} = $$;
+		$ENV{LISTEN_FDS} = scalar @$socks;
+		%ENV = (%ENV, %$env) if $env;
+		exec @$cmd;
+		die "FAIL: ",join(' ', @$cmd), ": $!\n";
+	}
+	$pid;
+}
+
+sub require_git ($;$) {
+	my ($req, $maybe) = @_;
+	my ($req_maj, $req_min) = split(/\./, $req);
+	my ($cur_maj, $cur_min) = (`git --version` =~ /version (\d+)\.(\d+)/);
+
+	my $req_int = ($req_maj << 24) | ($req_min << 16);
+	my $cur_int = ($cur_maj << 24) | ($cur_min << 16);
+	if ($cur_int < $req_int) {
+		return 0 if $maybe;
+		plan skip_all => "git $req+ required, have $git_ver";
+	}
+	1;
+}
+
 1;