system/triggerhappy: Expand/fix README.

Signed-off-by: B. Watson <yalhcru@gmail.com>

Signed-off-by: Willy Sudiarto Raharjo <willysr@slackbuilds.org>

system/triggerhappy/README

@@ -4,26 +4,40 @@ Triggerhappy is a hotkey daemon that operates on a system wide
 scale. It watches all configured input devices for key, switch,
 or button events and can launch arbitrary commands specified by the
 administrator. In contrast to hotkey services provided by desktop
-environments, Triggerhappy is especially suited to hardware related
+environments, triggerhappy is especially suited to hardware related
 switches like volume or wifi control; it works independently from
 a specific user being logged in and is also suitable for embedded
 systems that do not have a graphical user interface.
 
 The disadvantage of using triggerhappy is that it must be run with
-root privileges.
+root privileges. However, it will drop root privilege and run as
+'nobody' after initialization, with the provided rc.triggerhappy
+script.
 
 After installing the package, you'll want to:
 
   1. Read the man page for thd, particularly the EXAMPLES section.
 
-  2. Create one or more confg files, matching the pattern:
+  2. Create one or more config files, matching the pattern:
+
      /etc/triggerhappy/triggers.d/*.conf
+
      See the example files in /etc/triggerhappy/triggers.d/ for ideas.
 
   3. chmod +x /etc/rc.d/rc.triggerhappy
 
   4. /etc/rc.d/rc.triggerhappy start
 
+  5. Test that things work the way you want, according to your config
+     files from step 2. If not, fix them. Don't forget to run
+     /etc/rc.d/rc.triggerhappy restart after editing the config(s).
+
+  6. Add this to your /etc/rc.d/rc.local:
+
+     if [ -x /etc/rc.d/rc.triggerhappy ]; then
+       /etc/rc.d/rc.triggerhappy start
+     fi
+
 After this, the daemon will start on boot. To add devices to the
 running daemon, use th-cmd's --passfd option (not --add, since the
 daemon drops privileges after startup).

system/triggerhappy/rc.triggerhappy

@@ -3,8 +3,12 @@
 # rc.triggerhappy, sysv-style init script for triggerhappy.
 # part of the slackbuilds.org triggerhappy build.
 
+# The daemon has to be started as root, but will drop privileges
+# and run as this user after initialization:
+THD_USER=nobody
+
 THD_SOCKET=/var/run/thd.socket
-THD_ARGS="--daemon --user nobody --socket $THD_SOCKET --triggers /etc/triggerhappy/triggers.d/ /dev/input/event*"
+THD_ARGS="--daemon --user $THD_USER --socket $THD_SOCKET --triggers /etc/triggerhappy/triggers.d/ /dev/input/event*"
 
 case "$1" in
   ""|"start") if [ -e $THD_SOCKET ]; then

system/triggerhappy/slack-desc

@@ -12,7 +12,7 @@ triggerhappy: Triggerhappy is a hotkey daemon that operates on a system wide
 triggerhappy: scale. It watches all configured input devices for key, switch,
 triggerhappy: or button events and can launch arbitrary commands specified by the
 triggerhappy: administrator. In contrast to hotkey services provided by desktop
-triggerhappy: environments, Triggerhappy is especially suited to hardware related
+triggerhappy: environments, triggerhappy is especially suited to hardware related
 triggerhappy: switches like volume or wifi control; it works independently from
 triggerhappy: a specific user being logged in and is also suitable for embedded
 triggerhappy: systems that do not have a graphical user interface.

system/triggerhappy/triggerhappy.SlackBuild

@@ -10,7 +10,7 @@ cd $(dirname $0) ; CWD=$(pwd)
 
 PRGNAM=triggerhappy
 VERSION=${VERSION:-0.5.0}
-BUILD=${BUILD:-1}
+BUILD=${BUILD:-2}
 TAG=${TAG:-_SBo}
 PKGTYPE=${PKGTYPE:-tgz}
 
@@ -24,9 +24,6 @@ if [ -z "$ARCH" ]; then
   esac
 fi
 
-# If the variable PRINT_PACKAGE_NAME is set, then this script will report what
-# the name of the created package would be, and then exit. This information
-# could be useful to other scripts.
 if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
   echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
   exit 0