systemd/extras/rule_generator/75-cd-aliases-generator.rules

# these rules generate rules for the /dev/{cdrom,dvd,...} symlinks

# the "path" of usb/ieee1394 devices changes frequently, use "id"
ACTION=="add", SUBSYSTEM=="block", SUBSYSTEMS=="usb|ieee1394", ENV{ID_CDROM}=="?*", ENV{GENERATED}!="?*", \
  PROGRAM="write_cd_rules by-id", SYMLINK+="%c", GOTO="persistent_cd_end"

ACTION=="add", SUBSYSTEM=="block", ENV{ID_CDROM}=="?*", ENV{GENERATED}!="?*", PROGRAM="write_cd_rules", SYMLINK+="%c"

LABEL="persistent_cd_end"
add persistent rules generator for net devices and optical drives 2006-09-05 17:20:28 +04:00			`# these rules generate rules for the /dev/{cdrom,dvd,...} symlinks`

rule-generator: cd - skip by-path links if we create by-id links 2009-05-14 14:57:19 +04:00			`# the "path" of usb/ieee1394 devices changes frequently, use "id"`
			`ACTION=="add", SUBSYSTEM=="block", SUBSYSTEMS=="usb\|ieee1394", ENV{ID_CDROM}=="?", ENV{GENERATED}!="?", \`
			`PROGRAM="write_cd_rules by-id", SYMLINK+="%c", GOTO="persistent_cd_end"`
rules_generator: remove policy from write_cd_rules The decision about when to create by-id or by-path persistent rules should be made in the generator rules file where it's obvious and easy to modify locally, not in the script. 2007-08-07 12:37:58 +04:00
add persistent rules generator for net devices and optical drives 2006-09-05 17:20:28 +04:00			`ACTION=="add", SUBSYSTEM=="block", ENV{ID_CDROM}=="?", ENV{GENERATED}!="?", PROGRAM="write_cd_rules", SYMLINK+="%c"`
rule-generator: cd - skip by-path links if we create by-id links 2009-05-14 14:57:19 +04:00
			`LABEL="persistent_cd_end"`