Removed hard-coded paths in rule-writer scripts

Both scripts had hard-coded paths to 'rule_generator.functions'; these were changed
to be substituted in by configure so the paths will match where files are
installed.øy

Signed-off-by: Anthony G. Basile <blueness@gentoo.org>

1 files changed, 127 insertions, 0 deletions

diff --git a/rule_generator/write_cd_rules.in b/rule_generator/write_cd_rules.in
new file mode 100644
index 0000000000..2b00a32558
--- /dev/null
+++ b/rule_generator/write_cd_rules.in
@@ -0,0 +1,127 @@
+#!/bin/sh -e
+
+# 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.
+
+# (C) 2006 Marco d'Itri <md@Linux.IT>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# debug, if UDEV_LOG=<debug>
+if [ -n "$UDEV_LOG" ]; then
+	if [ "$UDEV_LOG" -ge 7 ]; then
+		set -x
+	fi
+fi
+
+RULES_FILE="@udevconfdir@/rules.d/70-persistent-cd.rules"
+
+. @udevlibexecdir@/rule_generator.functions
+
+find_next_available() {
+	raw_find_next_available "$(find_all_rules 'SYMLINK\+=' "$1")"
+}
+
+write_rule() {
+	local match="$1"
+	local link="$2"
+	local comment="$3"
+
+	{
+	if [ "$PRINT_HEADER" ]; then
+		PRINT_HEADER=
+		echo "# This file was automatically generated by the $0"
+		echo "# program, run by the cd-aliases-generator.rules rules file."
+		echo "#"
+		echo "# You can modify it, as long as you keep each rule on a single"
+		echo "# line, and set the \$GENERATED variable."
+		echo ""
+	fi
+
+	[ "$comment" ] && echo "# $comment"
+	echo "$match, SYMLINK+=\"$link\", ENV{GENERATED}=\"1\""
+	} >> $RULES_FILE
+	SYMLINKS="$SYMLINKS $link"
+}
+
+if [ -z "$DEVPATH" ]; then
+	echo "Missing \$DEVPATH." >&2
+	exit 1
+fi
+if [ -z "$ID_CDROM" ]; then
+	echo "$DEVPATH is not a CD reader." >&2
+	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
+
+# Check if the rules file is writeable.
+choose_rules_file
+
+link_num=$(find_next_available 'cdrom[0-9]*')
+
+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"
+echo >> $RULES_FILE
+
+unlock_rules_file
+
+echo $SYMLINKS
+
+exit 0
+