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-rw-r--r--extras/rule_generator/write_cd_rules34
1 files changed, 33 insertions, 1 deletions
diff --git a/extras/rule_generator/write_cd_rules b/extras/rule_generator/write_cd_rules
index 232daeb86b..1dbe6b70de 100644
--- a/extras/rule_generator/write_cd_rules
+++ b/extras/rule_generator/write_cd_rules
@@ -50,6 +50,38 @@ if [ -z "$ID_CDROM" ]; then
exit 1
fi
+if [ "$1" ]; then
+ METHOD="$1"
+else
+ METHOD='by-path'
+fi
+
+case "$METHOD" in
+ by-path)
+ if [ -z "$ID_PATH" ]; then
+ echo "$DEVPATH not supported by path_id. by-id may work." >&2
+ exit 1
+ fi
+ RULE="ENV{ID_PATH}==\"$ID_PATH\""
+ ;;
+
+ by-id)
+ if [ "$ID_SERIAL" ]; then
+ RULE="ENV{ID_SERIAL}==\"$ID_SERIAL\""
+ elif [ "$ID_MODEL" -a "$ID_REVISION" ]; then
+ RULE="ENV{ID_MODEL}==\"$ID_MODEL\", ENV{ID_REVISION}==\"$ID_REVISION\""
+ else
+ echo "$DEVPATH not supported by ata_id. by-path may work." >&2
+ exit 1
+ fi
+ ;;
+
+ *)
+ echo "Invalid argument (must be either by-path or by-id)." >&2
+ exit 1
+ ;;
+esac
+
# Prevent concurrent processes from modifying the file at the same time.
lock_rules_file
@@ -58,7 +90,7 @@ choose_rules_file
link_num=$(find_next_available 'cdrom[0-9]*')
-match="ENV{ID_CDROM}==\"?*\", ENV{ID_PATH}==\"$ID_PATH\""
+match="ENV{ID_CDROM}==\"?*\", $RULE"
comment="$ID_MODEL ($ID_PATH)"