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-rw-r--r--lib/MGA/DrakISO/Utils.pm17
1 files changed, 16 insertions, 1 deletions
diff --git a/lib/MGA/DrakISO/Utils.pm b/lib/MGA/DrakISO/Utils.pm
index f98e46d..c283d0d 100644
--- a/lib/MGA/DrakISO/Utils.pm
+++ b/lib/MGA/DrakISO/Utils.pm
@@ -33,7 +33,8 @@ use IO::Select;
use Exporter;
our @ISA = qw(Exporter);
-our @EXPORT = qw($sudo directory_usage glob__ run_ run_as_root run_in_root copy_or_link mount mount_system_fs umount_all_in_root);
+our @EXPORT = qw($sudo directory_usage glob__ run_ run_as_root run_in_root copy_or_link
+ mk_dev_null rm_dev_null mount mount_system_fs umount_all_in_root);
our $sudo = $> ? 'sudo' : '';
@@ -116,6 +117,20 @@ sub copy_or_link {
or die "ERROR: couldn't link $src_file to $dst_file\n";
}
+sub mk_dev_null {
+ my ($root) = @_;
+ $root or die;
+ return if -e $root . '/dev/null';
+ run_as_root('mkdir', '-p', $root . '/dev');
+ run_as_root('cp', '-a', '/dev/null', $root . '/dev');
+}
+
+sub rm_dev_null {
+ my ($root) = @_;
+ $root or die;
+ run_as_root('rm', $root . '/dev/null') if -e $root . '/dev/null';
+}
+
sub mount {
my ($dst, $src, @o_options) = @_;
mkdir_p($dst);