+SKIP: { # make sure Last-Modified + If-Modified-Since works with curl
+ my $nr = 6;
+ skip 'no description', $nr unless -f "$git_dir/description";
+ my $mtime = (stat(_))[9];
+ my $curl = which('curl');
+ skip 'curl(1) not found', $nr unless $curl;
+ my $url = "http://$host:$port/description";
+ my $dst = "$tmpdir/desc";
+ is(xsys($curl, qw(-RsSf), '-o', $dst, $url), 0, 'curl -R');
+ is((stat($dst))[9], $mtime, 'curl used remote mtime');
+ is(xsys($curl, qw(-sSf), '-z', $dst, '-o', "$dst.2", $url), 0,
+ 'curl -z noop');
+ ok(!-e "$dst.2", 'no modification, nothing retrieved');
+ utime(0, 0, $dst) or die "utime failed: $!";
+ is(xsys($curl, qw(-sSfR), '-z', $dst, '-o', "$dst.2", $url), 0,
+ 'curl -z updates');
+ ok(-e "$dst.2", 'faked modification, got new file retrieved');
+}
+