1 files changed, 85 insertions, 0 deletions
diff --git a/lib/MGA/DrakISO/Utils.pm b/lib/MGA/DrakISO/Utils.pm
new file mode 100644
index 0000000..1f14241
--- /dev/null
+++ b/lib/MGA/DrakISO/Utils.pm
@@ -0,0 +1,85 @@
+package MGA::DrakISO::Utils;
+
+use MDK::Common;
+use common;
+use run_program;
+use IPC::Open3;
+use IO::Select;
+
+use Exporter;
+our @ISA = qw(Exporter);
+our @EXPORT = qw(directory_usage run_ run_foreach);
+
+sub directory_usage {
+    my ($dir, $o_apparent) = @_;
+    my $apparent = $o_apparent && "--apparent-size";
+    first(split /\s/, `du -s -B 1 $apparent $dir`);
+ }
+
+#- expand only if the pattern contains '*'
+#- and matches dot characters (like shell dotglob)
+sub glob__ {
+    my ($pattern) = @_;
+    $pattern =~ /\*/ ? glob_($pattern) : $pattern;
+}
+
+sub run_ {
+    my $options = ref $_[0] eq 'HASH' ? shift @_ : {};
+    my @cmd = @_;
+    $options->{timeout} ||= 'never';
+    if (arch() !~ /^arm/) {
+        my $targetarch = delete $options->{targetarch};
+        unshift @cmd, 'setarch', $targetarch if $targetarch;
+    }
+    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 $ENV{MTOOLS_SKIP_CHECK} = 1;
+    &run_;
+}
+
+sub device_allocate_file {
+    my ($device, $size) = @_;
+    run_('dd', "of=$device", 'count=0', 'bs=1', "seek=" . removeXiBSuffix($size));
+}
+
+#- format $device as type $type
+# FIXME: use fs::format
+sub device_mkfs {
+    my ($device, $type, $o_label, $o_inode_size) = @_;
+    if ($type eq 'vfat') {
+        run_('mkfs.vfat', if_(defined $o_label, '-n', $o_label), $device);
+    } elsif (member($type, 'ext2', 'ext3', 'ext4')) {
+        run_("mkfs.$type", "-m", 0,
+             if_(defined $o_label, '-L', $o_label),
+             if_($o_inode_size, '-I', $o_inode_size),
+             if_(!-b $device, '-F'),
+             $device);
+    } elsif ($type eq 'swap') {
+        run_('mkswap', if_(defined $o_label, '-L', $o_label), $device);
+    } else {
+        die "unable to mkfs for unsupported media type $type\n";
+    }
+}
+
+1;