- use /dev/cdrom in fstab, and write corresponding udev rule

  (the rules were generated at boot time but here we ensure consistent naming)

1 files changed, 29 insertions, 0 deletions

diff --git a/perl-install/fs/any.pm b/perl-install/fs/any.pm
index 03abd0573..08886fde3 100644
--- a/perl-install/fs/any.pm
+++ b/perl-install/fs/any.pm
@@ -50,6 +50,35 @@ sub write_hds {
     @$fstab = fs::get::fstab($all_hds);
 }
 
+sub set_cdrom_symlink_udev_rule {
+    my ($raw_hds) = @_;
+
+    my $cdrom_helper = '/lib/udev/cdrom_helper';
+    -x "$::prefix$cdrom_helper" or return;
+
+    my $udev_rule = "$::prefix/etc/udev/rules.d/61-block_config.rules";
+    if (-e $udev_rule) {
+	log::l("cleaning $udev_rule from previous cdrom symlink rules");
+	substInFile { $_ = '' if /SYMLINK\+="cdrom/ } $udev_rule;
+    }
+
+    foreach (grep { $_->{media_type} eq 'cdrom' } @$raw_hds) {
+	my @env = (
+	    'SUBSYSTEM=block',
+	    run_program::rooted_get_stdout($::prefix, '/lib/udev/path_id', "/block/$_->{device}"),
+	    run_program::rooted_get_stdout($::prefix, '/lib/udev/cdrom_id', "/dev/$_->{device}"),
+	);
+	local %ENV = (%ENV, map { if_(/(.*?)=(.*)/, $1 => $2) } @env);
+
+	log::l("calling $cdrom_helper with ID_PATH=$ENV{ID_PATH}");
+	my ($alias) = run_program::rooted_get_stdout($::prefix, $cdrom_helper) =~ /(\w+)/;
+
+	log::l("using alias $alias for $_->{device}");
+	$_->{device_alias} = $alias;
+	symlink($_->{device}, "$::prefix/dev/$alias");
+    }
+}
+
 sub check_hds_boot_and_root {
     my ($all_hds, $fstab) = @_;
     fs::get::root_($fstab) or die "Oops, no root partition";