83eb2c3700
literal name_enable wherever possible, and ${name}_enable
when it's not, to prepare for the demise of set_rcvar().
In cases where I had to hand-edit unusual instances also
modify formatting slightly to be more uniform (and in
some cases, correct). This includes adding some $FreeBSD$
tags, and most importantly moving rcvar= to right after
name= so it's clear that one is derived from the other.
433 lines
9.4 KiB
Bash
433 lines
9.4 KiB
Bash
#!/bin/sh
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# PROVIDE: wacom
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# REQUIRE: FILESYSTEMS
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#
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# Add the following lines to /etc/rc.conf.local or /etc/rc.conf
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# to enable this service:
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#
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# wacom_enable (bool): Set to NO by default.
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# Set it to YES to enable wacom.
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# wacom_types (list): Set to "stylus eraser cursor pad touch" by
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# default. A list of wacom profiles to set up.
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# wacom_porttype (enum): Set to "%%PORTTYPE%%" by default.
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# Set this to usb or serial.
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#
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# This script additionally offers setup and cleanup to configure Xorg
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# for use of the driver or remove the configuration settings.
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# The input devices are only added to the first ServerLayout section
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# and also only removed once.
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# In USB mode the file /boot/loader.conf is also adjusted.
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#
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. /etc/rc.subr
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name="wacom"
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rcvar=wacom_enable
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extra_commands="setup cleanup"
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setup_cmd=do_setup
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start_cmd=do_start
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stop_cmd=do_stop
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cleanup_cmd=do_cleanup
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#
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# Outputs the location of the Xorg configuration file.
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# Returns 1 if no file could be found.
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#
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get_xorg_conf() {
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local config_locations config
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# Possible Xorg configuration file locations, taken from the
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# xorg.conf(5) manual page.
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config_locations="
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/etc/X11/$XORGCONFIG
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%%PREFIX%%/etc/X11/$XORGCONFIG
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/etc/X11/xorg.conf-4
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/etc/X11/xorg.conf
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/etc/xorg.conf
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%%PREFIX%%/etc/X11/xorg.conf.$HOST
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%%PREFIX%%/etc/X11/xorg.conf-4
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%%PREFIX%%/etc/X11/xorg.conf
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%%PREFIX%%/lib/X11/xorg.conf.$HOST
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%%PREFIX%%/lib/X11/xorg.conf-4
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%%PREFIX%%/lib/X11/xorg.conf
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NONE
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"
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# Find the first matching config file.
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for config in $config_locations; {
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test -f "$config" && break
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}
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if [ "$config" = "NONE" ]; then
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echo "No Xorg configuration has been found." 1>&2
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return 1
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fi
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echo "$config"
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return 0
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}
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#
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# Returns the line number of the first line matching the extended regular
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# expression $2 in the file $1.
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#
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# @param $1
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# The file to get the line number from.
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# @param $2
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# An extend regular expression.
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# @stdout
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# The line number of the first line matching $2.
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#
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get_first() {
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local result IFS
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IFS='
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'
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result="$(/usr/bin/grep -Ein "$2" "$1")"
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result="${result%%:*}"
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# No match.
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if [ -z "$result" ]; then
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return 1
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fi
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echo "$result"
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return 0
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}
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#
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# Returns the line numbers of lines matching the extended regular
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# expression $2 in the file $1.
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#
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# @param $1
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# The file to get the line numbers from.
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# @param $2
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# An extend regular expression.
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# @stdout
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# The line numbers of lines matching $2.
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#
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get_all() {
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local entry result IFS
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IFS='
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'
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result="$(/usr/bin/grep -Ein "$2" "$1")"
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# No match.
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if [ -z "$result" ]; then
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return 1
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fi
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for entry in $result; {
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echo "${entry%%:*}"
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}
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}
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#
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# Returns the line number of the line before line number $2 that matches the
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# extended regular expression $3 in the file $1.
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#
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# @param $1
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# The file to get the line number from.
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# @param $2
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# The line before which the expression should match.
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# @param $3
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# An extend regular expression.
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# @stdout
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# The line number of the first line before line $2 matching $3.
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#
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get_before() {
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local result IFS line length
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IFS='
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'
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# The length is necessary to make sure the check is run once
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# again for the last match.
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length="$(/usr/bin/wc -l "$1")"
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length=${length% *}
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result=-1
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for line in $(/usr/bin/grep -Ein "$3" "$1") $(($length + 1)); {
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line="${line%%:*}"
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# We have passed the line to look for.
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if [ $line -ge $2 ]; then
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# No match before this line.
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if [ $result -lt 0 ]; then
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return 1
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fi
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echo "$result"
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return 0
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fi
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result=$line
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}
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# No result.
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return 1
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}
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#
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# Returns the line number of the line behind line number $2 that matches the
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# extended regular expression $3 in the file $1.
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#
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# @param $1
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# The file to get the line number from.
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# @param $2
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# The line behind which the expression should match.
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# @param $3
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# An extend regular expression.
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# @stdout
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# The line number of the first line behind line $2 matching $3.
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#
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get_behind() {
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local IFS line
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IFS='
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'
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for line in $(/usr/bin/grep -Ein "$3" "$1"); {
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line="${line%%:*}"
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# We have passed the line to look for.
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if [ $line -gt $2 ]; then
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echo "$line"
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return 0
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fi
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}
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# No result.
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return 1
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}
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#
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# Inserts a line at the end of a section of an Xorg configuration file.
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# The insertion is done on all matching sections!
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#
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section_insert_line() {
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local file section insert sections begin end length
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file="$1"
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section="$2"
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insert="$3"
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# Find the beginning of the section.
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# Start with the last section to avoid moving sections around
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# before something is inserted into them.
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sections="$(get_all "$file" \
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"^[[:space:]]*Section[[:space:]]+\"$section\"" \
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| /usr/bin/sort -nr
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)"
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if [ -z "$sections" ]; then
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echo "Identifying section $section has failed." 1>&2
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return 1
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fi
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for begin in $sections; {
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# Find the end of the section.
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end="$(get_behind "$file" "$begin" "^[[:space:]]*EndSection")"
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if [ -z "$end" ]; then
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echo "The section $section($begin) is not closed." 1>&2
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return 2
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fi
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# Determine the length of the configuration file.
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length="$(/usr/bin/wc -l "$file")"
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length=${length% *}
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# Insert the line.
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/bin/cp "$file" "$file.$$"
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/usr/bin/head -n$(($end - 1)) "$file.$$" > "$file"
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echo "$insert" >> "$file"
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/usr/bin/tail -n$(($length - $end + 1)) "$file.$$" >> "$file"
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/bin/rm "$file.$$"
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}
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}
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#
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# Adds the necessary lines to the Xorg configuration.
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#
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do_setup() {
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local config ident status
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# Get the Xorg configuration file.
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config="$(get_xorg_conf)"
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status=$?
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test $status -ne 0 && return $status
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echo "Setting up configuration in $config."
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# Add all the necessary sections.
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for ident in $(eval "echo \${${name}_types}"); {
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if /usr/bin/grep -Eqi "^[[:space:]]*Identifier[[:space:]]+\"$ident\"" "$config"; then
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echo "Skipping $ident, because it already exists in $config."
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continue
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fi
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echo "Inserting $ident."
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echo "Section \"InputDevice\"
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Driver \"wacom\"
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Identifier \"$ident\"
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Option \"Type\" \"$ident\"" >> "$config"
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if [ "$(eval "echo \${${name}_porttype}")" = "usb" ]; then
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echo " Option \"Device\" \"/dev/event0\"
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Option \"USB\" \"on\"" >> "$config"
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else
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echo " Option \"Device\" \"/dev/ttyd0\"
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Option \"ForceDevice\" \"ISDV4\"" >> "$config"
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fi
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echo "EndSection
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" >> "$config"
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section_insert_line "$config" "ServerLayout" " InputDevice \"$ident\" \"SendCoreEvents\""
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}
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if [ "$(eval "echo \${${name}_porttype}")" = "usb" ]; then
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if ! /usr/bin/grep -qx 'uwacom_load="YES"' \
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/boot/loader.conf; then
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echo "Setting up /boot/loader.conf"
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/bin/cp /boot/loader.conf /boot/loader.conf.orig
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echo 'uwacom_load="YES"' >> /boot/loader.conf
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fi
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fi
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}
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#
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# Removes all wacom stuff from the Xorg configuration file. Beware,
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# this also affects handwritten content.
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#
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do_cleanup() {
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local config status driver i begin last_begin end length ident IFS
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# Get the Xorg configuration file.
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config="$(get_xorg_conf)"
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status=$?
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test $status -ne 0 && return $status
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echo "Removing wacom entries from $config."
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IFS='
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'
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while true; do
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# Find a wacom section.
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driver="$(get_first "$config" \
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"^[[:space:]]*Driver[[:space:]]+\"wacom\"" \
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)"
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# Not a numeric, no more wacom sections left.
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test -z "$driver" && break
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# Find the beginning of the section.
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begin="$(get_before "$config" "$driver" \
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"^[[:space:]]*Section[[:space:]]+\"InputDevice\"" \
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)"
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if [ -z "$begin" ]; then
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echo "Beginning of wacom driver section" \
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"could not be found!" 1>&2
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return 1
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fi
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# Find the end of the section.
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end="$(get_behind "$config" "$driver" \
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"^[[:space:]]*EndSection" \
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)"
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if [ -z "$end" ]; then
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echo "The Wacom driver section is" \
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"not closed properly." 1>&2
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return 2
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fi
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# Determine the length of the configuration file.
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length="$(/usr/bin/wc -l "$config")"
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length=${length% *}
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# Adjust the end by trailing newlines.
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while [ $end -lt $length -a \
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-z "$(/usr/bin/tail -n$(($length - $end)) "$config" \
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| /usr/bin/head -n1)" ]; do
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end=$(($end + 1))
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done
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# Remove the section.
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/bin/cp "$config" "$config.$$"
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/usr/bin/head -n$(($begin - 1)) "$config.$$" > "$config"
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/usr/bin/tail -n$(($length - $end)) "$config.$$" >> "$config"
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/bin/rm "$config.$$"
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done
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IFS='
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'
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echo "Cleaning up ServerLayout section."
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for ident in $(eval "echo \${${name}_types}"); {
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while true; do
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driver="$(get_first "$config" \
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"[[:space:]]*InputDevice[[:space:]]+\"$ident\"" \
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)"
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# There is no line matching this driver.
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test -z "$driver" && break
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# Determine the length of the configuration file.
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length="$(/usr/bin/wc -l "$config")"
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length=${length% *}
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# Remove the section.
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/bin/cp "$config" "$config.$$"
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/usr/bin/head -n$(($driver - 1)) "$config.$$" > "$config"
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/usr/bin/tail -n$(($length - $driver)) "$config.$$" >> "$config"
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/bin/rm "$config.$$"
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done
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}
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if [ "$(eval "echo \${${name}_porttype}")" = "usb" ]; then
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if /usr/bin/grep -qx 'uwacom_load="YES"' \
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/boot/loader.conf; then
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echo "Cleaning up /boot/loader.conf"
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/bin/cp /boot/loader.conf /boot/loader.conf.orig
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/usr/bin/grep -xv 'uwacom_load="YES"' \
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/boot/loader.conf.orig > /boot/loader.conf
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fi
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fi
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}
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do_start() {
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if /sbin/kldstat | /usr/bin/grep -q uwacom; then
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return 0
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fi
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echo "Starting ${name}."
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/sbin/kldload %%KMODDIR%%/uwacom.ko
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}
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do_stop() {
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if ! /sbin/kldstat | /usr/bin/grep -q uwacom; then
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echo "${name} is not running."
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return 0
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fi
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echo "Stopping ${name}."
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/sbin/kldunload %%KMODDIR%%/uwacom.ko
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}
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load_rc_config $name
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eval ": \${${name}_enable=\"NO\"}"
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eval ": \${${name}_types=\"stylus eraser cursor pad touch\"}"
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eval ": \${${name}_porttype=\"%%PORTTYPE%%\"}"
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run_rc_command "$1"
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