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diff -Nur udev-182.orig/src/rule_generator/write_cd_rules udev-182/src/rule_generator/write_cd_rules
--- udev-182.orig/src/rule_generator/write_cd_rules 2012-03-24 22:47:53.138527732 -0500
+++ udev-182/src/rule_generator/write_cd_rules 2012-03-24 22:59:42.595889830 -0500
@@ -3,7 +3,8 @@
# This script is run if an optical drive lacks a rule for persistent naming.
#
# It adds symlinks for optical drives based on the device class determined
-# by cdrom_id and used ID_PATH to identify the device.
+# by cdrom_id and uses ID_PATH or ID_SERIAL or ID_MODEL and ID_REVISION to
+# identify the device.
# (C) 2006 Marco d'Itri <md@Linux.IT>
#
@@ -105,18 +106,57 @@
choose_rules_file
link_num=$(find_next_available 'cdrom[0-9]*')
+[ "$link_num" = "" ] && link_num=0
match="SUBSYSTEM==\"block\", ENV{ID_CDROM}==\"?*\", $RULE"
comment="$ID_MODEL ($ID_PATH)"
-
write_rule "$match" "cdrom$link_num" "$comment"
-[ "$ID_CDROM_CD_R" -o "$ID_CDROM_CD_RW" ] && \
- write_rule "$match" "cdrw$link_num"
-[ "$ID_CDROM_DVD" ] && \
- write_rule "$match" "dvd$link_num"
-[ "$ID_CDROM_DVD_R" -o "$ID_CDROM_DVD_RW" -o "$ID_CDROM_DVD_RAM" ] && \
- write_rule "$match" "dvdrw$link_num"
+ if [ "$(find_all_rules 'SYMLINK+=' cdrom)" = "" ]; then
+ write_rule "$match" "cdrom"
+ fi
+
+ if [ "$ID_CDROM_CD_R" ]; then
+ write_rule "$match" "cdr$link_num"
+ if [ "$(find_all_rules 'SYMLINK+=' cdr)" = "" ]; then
+ write_rule "$match" "cdr"
+ fi
+
+ write_rule "$match" "cdwriter$link_num"
+ if [ "$(find_all_rules 'SYMLINK+=' cdwriter)" = "" ]; then
+ write_rule "$match" "cdwriter"
+ fi
+
+ if [ "$ID_CDROM_CD_RW" ]; then
+ write_rule "$match" "cdrw$link_num"
+ if [ "$(find_all_rules 'SYMLINK+=' cdrw)" = "" ]; then
+ write_rule "$match" "cdrw"
+ fi
+ fi
+
+ if [ "$(find_all_rules 'SYMLINK+=' writer)" = "" ]; then
+ write_rule "$match" "writer"
+ fi
+ fi
+
+ if [ "$ID_CDROM_DVD" ]; then
+ write_rule "$match" "dvd$link_num"
+ if [ "$(find_all_rules 'SYMLINK+=' dvd)" = "" ]; then
+ write_rule "$match" "dvd"
+ fi
+
+ if [ "$ID_CDROM_DVD_R" -o "$ID_CDROM_DVD_RW" -o "$ID_CDROM_DVD_RAM" ]; then
+ write_rule "$match" "dvdrw$link_num"
+ if [ "$(find_all_rules 'SYMLINK+=' dvdrw)" = "" ]; then
+ write_rule "$match" "dvdrw"
+ fi
+
+ write_rule "$match" "dvdwriter$link_num"
+ if [ "$(find_all_rules 'SYMLINK+=' dvdwriter)" = "" ]; then
+ write_rule "$match" "dvdwriter"
+ fi
+ fi
+ fi
echo >> $RULES_FILE
unlock_rules_file
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