move helpers in MDV::Draklive::Utils

1 files changed, 49 insertions, 0 deletions

diff --git a/lib/MDV/Draklive/Utils.pm b/lib/MDV/Draklive/Utils.pm
new file mode 100644
index 0000000..e3e2e2b
--- /dev/null
+++ b/lib/MDV/Draklive/Utils.pm
@@ -0,0 +1,49 @@
+package MDV::Draklive::Utils;
+
+use Exporter;
+our @ISA = qw(Exporter);
+our @EXPORT = qw(directory_usage run_ run_foreach);
+
+sub directory_usage { first(split /\s/, `du -sb $_[0]`) }
+
+#- expand only if the pattern contains '*'
+#- and matches dot characters (like shell dotglob)
+sub glob__ {
+    my ($pattern) = @_;
+    $pattern =~ /\*/ ? glob_($pattern) : $pattern;
+}
+
+sub run_ {
+    my $options = ref $_[0] eq 'HASH' ? shift @_ : {};
+    my @cmd = @_;
+    $options->{timeout} ||= 'never';
+    my $setarch = delete $options->{setarch};
+    unshift @cmd, 'setarch', $setarch if $setarch;
+    print STDERR "running " . (exists $options->{root} && "(in chroot) ") . join(' ', @cmd) . "\n";
+    run_program::raw($options, @cmd);
+}
+
+sub run_foreach {
+    my ($foreach, @command) = @_;
+    print STDERR "running " . join(' ', @command) . "\n";
+    my $pid = open3(my $cmd_in, my $cmd_out, undef, @command);
+    my $selector = IO::Select->new($cmd_out);
+    while (my @ready = $selector->can_read) {
+        foreach my $fh (@ready) {
+            local $_ = scalar<$fh>;
+            return if /^open3:/;
+            $foreach->();
+            $selector->remove($fh) if eof($fh);
+        }
+    }
+    close($cmd_out);
+    close($cmd_in);
+    return waitpid($pid, 0) > 0 && !($? >> 8);
+}
+
+sub mtools_run_ {
+    local $ENV{MTOOLS_SKIP_CHECK} = 1;
+    &run_;
+}
+
+1;