Add a rewrite of firestarter
Kind of
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firestarter2.bash
Executable file
615
firestarter2.bash
Executable file
@ -0,0 +1,615 @@
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#! /bin/bash
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#
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# firestarter
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# A desktop environment startup script
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# Copyright (C) 2019 Vintage Salt <rehashedsalt@cock.li>
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#
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# Distributed under terms of the MIT license.
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#
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set -e
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# Read-only set-once variables
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declare -r _name="$(basename -- "$0")"
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declare -r _sessionid="$(< /proc/self/sessionid)"
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# Options
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declare _optconfigdir="${XDG_CONFIG_HOME:-$HOME/.config}/${_name}"
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declare _optdryrun
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declare _optlogdir="$_optconfigdir/logs"
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declare _optpregen
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declare -i _opthelp
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declare -i _optverbose
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# Working variables
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declare -a _args
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declare _return
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# Helper functions
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log() {
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# Print a line to the terminal if _optverbose is greater than $2
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# $2 defaults to 0
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# loglevel 0: Daily-use messages
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# loglevel 1: Detailed but not quite debugging
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# loglevel 2: Definitely debugging
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[ -z "$1" ] && return 1
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if (( _optverbose >= ${2:-0} )); then
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printf "%s\\n" "$1"
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fi
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}
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warn() {
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# Print a yellow line to the terminal, respecting _optverbose
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[ -z "$1" ] && return 1
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if (( _optverbose >= ${2:-0} )); then
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if [ -t 1 ]; then
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printf "\\e[33m%s\\e[0m\\n" "$1"
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else
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printf "WARN: %s\\n" "$1"
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fi
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fi
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}
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error() {
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# Print a red line to the terminal, exit if $2 is specified
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[ -z "$1" ] && return 1
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if [ -t 2 ]; then
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printf "\\e[31m%s\\e[0m\\n" "$1" 1>&2
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else
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printf "ERROR: %s\\n" "$1" 1>&2
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fi
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[ -z "$2" ] && return
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exit "${2:-1}"
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}
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has() {
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# Parse out all arguments and try to find them in path
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# If an argument cannot be found, set _return and fail
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for prog in "$@"; do
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if ! command -v "$prog" > /dev/null 2>&1; then
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_return="$prog"
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return 1
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fi
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done
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return 0
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}
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# Core program functions
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gettarget() {
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# Parse a defaults file to get a target program
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[ -z "$1" ] && return 1
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[ -d "$1" ] && return 1
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[ -r "$1" ] || return 1
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# Every odd line is a condition
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# Every even one is a target
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local firstline
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while read -r checkline; do
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if [ -z "$firstline" ]; then
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if ["$checkline" = "#.fsdefaults" ]; then
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firstline=1
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continue
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else
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return 50
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fi
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fi
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[ "${checkline#"#"}" != "$checkline" ] && continue
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read -r execline
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if bash -c "$checkline" > /dev/null 2>&1; then
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_return="$execline"
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return 0
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else
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continue
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fi
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done < "$1"
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return 2
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}
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genconfigs() {
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log "Creating default config setup in \"$_optconfigdir\""
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log "See firestarter -h for more information"
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# Audio daemon
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cat << EOF > "$_optconfigdir/audio-daemon"
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#.fsdefaults
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command -v pulseaudio
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pulseaudio
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EOF
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# Information bars
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cat << EOF > "$_optconfigdir/bar"
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#.fsdefaults
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command -v polybar && [ -r "$HOME/.config/polybar/launch.sh" ]
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"$HOME/.config/polybar/launch.sh"
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command -v tint2
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tint2
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command -v lxpanel
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lxpanel
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command -v lxqt-panel
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lxqt-panel
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command -v mate-panel
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mate-panel
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command -v xfce4-panel
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xfce4-panel
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EOF
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# Blue light filter
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cat << EOF > "$_optconfigdir/blue-light-filter"
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#.fsdefaults
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command -v redshift-gtk
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redshift-gtk
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command -v redshift
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redshift
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EOF
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# Compositor
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cat << EOF > "$_optconfigdir/compositor"
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#.fsdefaults
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[ -z "\$DISPLAY" ]
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:
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command -v unagi
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unagi
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command -v compton
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compton
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command -v xcompmgr
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xcompmgr
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EOF
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# Polkit authentication agents
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cat << EOF > "$_optconfigdir/polkit-agent"
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#.fsdefaults
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command -v lxqt-policykit-agent
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lxqt-policykit-agent
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command -v lxpolkit
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lxpolkit
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command -v mate-polkit
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mate-polkit
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command -v polkit-efl-authentication-agent-1
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polkit-efl-authentication-agent-1
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[ -x "/usr/lib/ts-polkitagent" ]
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/usr/lib/ts-polkitagent
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[ -x "/usr/lib/policykit-1-gnome/polkit-gnome-authentication-agent-1" ]
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/usr/lib/policykit-1-gnome/polkit-gnome-authentication-agent-1
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[ -x "/usr/lib/polkit-gnome/polkit-gnome-authentication-agent-1" ]
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/usr/lib/polkit-gnome/polkit-gnome-authentication-agent-1
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# Debian locations
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# On generation time, your architecture is filled in here
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[ -x "/usr/lib/$(uname -m)-linux-gnu/polkit-mate/polkit-mate-authentication-agent-1" ]
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"/usr/lib/$(uname -m)-linux-gnu/polkit-mate/polkit-mate-authentication-agent-1"
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[ -x "/usr/lib/$(uname -m)-linux-gnu/libexec/polkit-kde-authentication-agent-1" ]
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"/usr/lib/$(uname -m)-linux-gnu/libexec/polkit-kde-authentication-agent-1"
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# OpenSuSE locations
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[ -x "/usr/lib/polkit-mate/polkit-mate-authentication-agent-1" ]
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"/usr/lib/polkit-mate/polkit-mate-authentication-agent-1"
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[ -x "/usr/lib/polkit-kde-authentication-agent-1" ]
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"/usr/lib/polkit-kde-authentication-agent-1"
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# Arch locations
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[ -x "/usr/lib/mate-polkit/polkit-mate-authentication-agent-1" ]
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/usr/lib/mate-polkit/polkit-mate-authentication-agent-1
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[ -x "/usr/lib/polkit-kde-authentication-agent-1" ]
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/usr/lib/polkit-kde-authentication-agent-1
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# Fedora locations
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[ -x "/usr/libexec/xfce-polkit" ]
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/usr/libexec/xfce-polkit
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[ -x "/usr/libexec/lxqt-policykit-agent" ]
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/usr/libexec/lxqt-policykit-agent
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[ -x "/usr/libexec/polkit-mate-authentication-agent-1" ]
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/usr/libexec/polkit-mate-authentication-agent-1
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[ -x "/usr/libexec/kf5/polkit-kde-authentication-agent-1" ]
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/usr/libexec/kf5/polkit-kde-authentication-agent-1
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[ -x "/usr/libexec/polkit-gnome-authentication-agent-1" ]
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/usr/libexec/polkit-gnome-authentication-agent-1
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EOF
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# Hotkey daemon
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cat << EOF > "$_optconfigdir/hotkey-daemon"
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#.fsdefaults
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[ -z "\$DISPLAY" ]
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:
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command -v sxhkd
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sxhkd
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command -v lxqt-globalkeysd
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lxqt-globalkeysd
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EOF
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# Network daemon
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cat << EOF > "$_optconfigdir/network-daemon"
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#.fsdefaults
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command -v nm-applet
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nm-applet
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EOF
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# Notification daemon
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cat << EOF > "$_optconfigdir/notification-daemon"
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#.fsdefaults
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[ -z "\$DISPLAY" ]
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:
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command -v dunst
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dunst
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command -v lxqt-notificationd
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notificationd
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EOF
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# Power daemons
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cat << EOF > "$_optconfigdir/power-daemon"
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#.fsdefaults
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command -v batterymon
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batterymon
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command -v cbatticon
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cbatticon
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command -v lxqt-powermangement
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lxqt-powermanagement
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command -v xfce4-power-manager
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xfce4-power-manager
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command -v mate-power-manager
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mate-power-manager
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command -v gnome-power-manager
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gnome-power-manager
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EOF
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# Runners
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# Note that rofi is not a daemon and is not included here
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cat << EOF > "$_optconfigdir/runner"
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#.fsdefaults
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command -v krunner
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krunner
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EOF
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# Settings daemons
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cat << EOF > "$_optconfigdir/settings-daemon"
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#.fsdefaults
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command -v xsettingsd
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xsettingsd
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command -v xsettings-kde
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xsettingskde
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command -v lxsettings-daemon
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lxsettings-daemon
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command -v xfsettingsd
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xfsettingsd
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command -v mate-settings-daemon
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mate-settings-daemon
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command -v gnome-settings-daemon
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gnome-settings-daemon
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EOF
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# System statistics glances
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cat << EOF > "$_optconfigdir/stat-glances"
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#.fsdefaults
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[ -z "\$DISPLAY" ]
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:
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# Note: the dumb sleep hack is because Conky crashes with window_type override if the WM hasn't loaded yet
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# This gives the WM ample time to load up
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command -v conky && [ -r "\${XDG_CONFIG_HOME:-$HOME/.config}/conky/conky.conf" ]
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sleep 5 && conky
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EOF
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# Wallpaper setters
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cat << EOF > "$_optconfigdir/wallpaper"
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#.fsdefaults
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[ -z "\$DISPLAY" ]
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:
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command -v feh && [ -r "$HOME/.fehbg" ]
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~/.fehbg
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command -v nitrogen
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nitrogen --restore
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EOF
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# Window managers
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cat << EOF > "$_optconfigdir/wm"
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#.fsdefaults
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[ -z "\$DISPLAY" ]
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:
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command -v 2bwm
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2bwm
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command -v aewm
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aewm
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command -v awesome
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awesome
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command -v bspwm
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bspwm
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command -v catwm
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catwm
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command -v cwm
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cwm
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command -v dwm
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dwm
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command -v evilwm
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evilwm
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command -v exwm
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exwm
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command -v fluxbox
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fluxbox
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command -v flwm
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flwm
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command -v fvwm
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fvwm
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command -v herbstluftwm
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herbstluftwm
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command -v i3
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i3
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command -v icewm
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icewm
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command -v jbwm
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jbwm
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command -v jwm
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jwm
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command -v lwm
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lwm
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command -v openbox
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openbox
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command -v pawm
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pawm
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command -v ratpoison
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ratpoison
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command -v twm
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twm
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command -v windowmaker
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windowmaker
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command -v wmii
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wmii
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command -v xmonad
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xmonad
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command -v xfwm4
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xfwm4
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command -v metacity
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metacity
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command -v mutter
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mutter
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command -v kwin
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kwin
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command -v tinywm
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tinywm
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EOF
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}
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step_preexecute() {
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# Special things that can't use simple configuration files
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[ -n "$_optdryrun" ] && return 0
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[ -r "$HOME/.xsessionrc" ] && . "$HOME/.xsessionrc"
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export XDG_CURRENT_DESKTOP="${XDG_CURRENT_DESKTOP:-firestarter}"
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# dbus
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if \
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[ -z "$DBUS_SESSION_BUS_ADDRESS" ] && \
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[ -n "$XDG_RUNTIME_DIR" ] && \
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[ "$XDG_RUNTIME_DIR" = "/run/user/$(id -u)" ] && \
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[ -S "$XDG_RUNTIME_DIR/bus" ]; then
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# We already have a bus started; use it
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export DBUS_SESSION_BUS_ADDRESS="unix:path=$XDG_RUNTIME_DIR/bus"
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hasdbus=1
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elif \
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[ -z "$DBUS_SESSION_BUS_ADDRESS" ] && \
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has dbus-launch; then
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# We have dbus but haven't started it yet
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eval "$(dbus-laucnh --exit-with-session --sh-syntax)"
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hasdbus=1
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else
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warn "Did not start dbus; some applications may misbehave"
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fi
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if [ -n "$hasdbus" ]; then
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has dbus-update-activation-environment && \
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dbus-update-activation-environment --verbose --systemd --all >/dev/null 2>&1
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fi
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unset hasdbus
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# kcminit/Qt settings
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if has kcminit; then
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log "Initializing KDE Control Module settings"
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kcminit >/dev/null 2>&1
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export XDG_CURRENT_DESKTOP="KDE"
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elif has qt5ct; then
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log "Initializing qt5ct"
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if [ -z "$QT_QPA_PLATFORMTHEME" ]; then
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export QT_QPA_PLATFORMTHEME="qt5ct"
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log "Exporting QT_QPA_PLATFORMTHEME as \"$QT_QPA_PLATFORMTHEME\"" 2
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else
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log "Using existing theme setting \"$QT_QPA_PLATFORMTHEME\"" 2
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fi
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if [ -z "$QT_AUTO_SCREEN_SCALE_FACTOR" ]; then
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export QT_AUTO_SCREEN_SCALE_FACTOR="0"
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log "Exporting QT_AUTO_SCREEN_SCALE_FACTOR as \"$QT_AUTO_SCREEN_SCALE_FACTOR\"" 2
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else
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log "Using existing scale factor \"$QT_AUTO_SCREEN_SCALE_FACTOR\"" 2
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fi
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fi
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# xhost
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if has xhost; then
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if xhost +si:localuser:"$(id -un)" >/dev/null 2>&1; then
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log "Session open to other sessions by this user"
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else
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warn "Failed to open session via xhost"
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fi
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fi
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# xresources
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if [ -n "$DISPLAY" ] && has xrdb && [ -r "$HOME/.Xresources" ]; then
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if xrdb "$HOME/.Xresources" >/dev/null 2>&1; then
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log "Loaded in .Xresources"
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else
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warn "Failed to load .Xresources"
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fi
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fi
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# xset
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if has xset; then
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log "Disabling bell"
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xset -b
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fi
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}
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step_execute() {
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# Parse out our defaults lists and execute their targets
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if ! [ -d "$_optlogdir" ]; then
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if ! mkdir -p "$_optlogdir" >/dev/null 2>&1; then
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error "Failed to create log directory: \"$_optlogdir\"" 53
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fi
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fi
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for file in "$_optconfigdir"/*; do
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if ! [ -e "$file" ]; then
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log "No configuration files found; generating defaults"
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genconfigs
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step_execute
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return
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fi
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# Skip our logs directory
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[ "$_optlogdir" == "$file" ] && continue
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local filename="$(basename -- "$file")"
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local logfile="$_optlogdir/$filename.log"
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if gettarget "$file"; then
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# It's a defaults file with a selected target
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target="$_return"
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log "$filename: \"$target\""
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[ -n "$_optdryrun" ] && continue
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if [ -f "$logfile" ]; then
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[ -f "$logfile.old" ] && rm "$logfile.old"
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mv "$logfile" "$logfile.old"
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fi
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bash -c "$target" > "$logfile" 2>&1 &
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elif [ $? = 50 ] && [ -x "$file" ]; then
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# It's a shell script or executable symlink
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log "Executing file: \"$filename\""
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[ -n "$_optdryrun" ] && continue
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"$file" > "$logfile" 2>&1 &
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else
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warn "Could not execute file: \"$filename\""
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||||
fi
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||||
done
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}
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step_postexecute() {
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# Wait for the WM to initialize, if one was found and we have the tools
|
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if [ -z "$FS_NOWAITWM" ] && gettarget "$_configdir/wm" && has xprop grep; then
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log "Waiting for WM to initialize: \"$_return\""
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for (( i=0; i<10; i++ )); do
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line="$(xprop -root | grep ^_NET_WM_NAME | grep -o '"\S*"$')"
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if [ -n "$line" ]; then
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log "WM has initialized, _NET_WM_NAME atom reads: $line"
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||||
break
|
||||
fi
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||||
read -t 1 -u 1023
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||||
done
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||||
fi
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||||
# Dumb polybar workaround
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||||
killall polybar -SIGUSR1
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# Execute a user rc if it exists
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||||
local firestarterrc="$HOME/.firestarterrc"
|
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if [ -r "$firestarterrc" ] && [ -z "$dryrun" ]; then
|
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log "Executing rc script: $firestarterrc"
|
||||
"$firestarterrc"
|
||||
fi
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||||
# Start XDG autostarters, if they exist
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||||
if [ -z "$_optdryrun" ]; then
|
||||
if has dex; then
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||||
dex -a >/dev/null 2>&1
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||||
elif has fbautostart; then
|
||||
fbautostart > /dev/null 2>&1
|
||||
elif has xdg-autostart; then
|
||||
xdg-autostart ${XDG_CURRENT_DESKTOP:-firestarter}
|
||||
else
|
||||
warn "Could not find an XDG autostarter"
|
||||
fi
|
||||
fi
|
||||
}
|
||||
step_wait() {
|
||||
[ -n "$_optdryrun" ] && exit 0
|
||||
trap step_logout EXIT
|
||||
if [ -n "$FS_DIEONWM" ] && gettarget "$_configdir/wm" && has readlink "$_return"; then
|
||||
target="$(command -v "$_return")"
|
||||
for job in $(jobs -p); do
|
||||
if [ "$target" = "$(readlink /proc/$job/exe)" ]; then
|
||||
log "Waiting for WM to exit: \"$_return\""
|
||||
wait "$job"
|
||||
exit 0
|
||||
fi
|
||||
done
|
||||
warn "Could not find WM: \"$target\""
|
||||
fi
|
||||
log "Waiting for programs to exit"
|
||||
wait
|
||||
exit 0
|
||||
}
|
||||
step_logout() {
|
||||
log "Logging out"
|
||||
if has loginctl; then
|
||||
# Use loginctl if possible
|
||||
if [ -n "$_sessionid" ]; then
|
||||
loginctl terminate-session "$_sessionid"
|
||||
fi
|
||||
else
|
||||
# Otherwise just brute it out
|
||||
kill $(jobs -p)
|
||||
fi
|
||||
return 0
|
||||
}
|
||||
|
||||
printhelp() {
|
||||
cat << EOF
|
||||
Usage: $_name [OPTION]...
|
||||
|
||||
-d Perform a dry run; print what programs would have been
|
||||
executed instead of doing so
|
||||
-g Regenerate default configs. This will clobber
|
||||
-h Print this help text
|
||||
-v Print more status messages. Stacks
|
||||
|
||||
Environment Variables:
|
||||
|
||||
FS_DIEONWM If nonempty, end the session when the WM dies.
|
||||
FS_NOWAITWM If nonempty, skip waiting for the WM to initialize
|
||||
|
||||
Copyright (c) 2019 rehashedsalt@cock.li
|
||||
Licensed under the MIT license
|
||||
EOF
|
||||
}
|
||||
|
||||
# Main
|
||||
main() {
|
||||
# Parse out arguments
|
||||
while [ -n "$1" ]; do
|
||||
# Parse out flags
|
||||
while getopts ":dghv" opt; do
|
||||
case $opt in
|
||||
d)
|
||||
_optdryrun=1
|
||||
;;
|
||||
g)
|
||||
_optpregen=1
|
||||
;;
|
||||
h)
|
||||
_opthelp=1
|
||||
;;
|
||||
v)
|
||||
_optverbose+=1
|
||||
;;
|
||||
:)
|
||||
error "Option requires argument: -$OPTARG" 2
|
||||
;;
|
||||
*)
|
||||
error "Invalid option: -$OPTARG" 2
|
||||
;;
|
||||
esac
|
||||
done
|
||||
# Store arguments
|
||||
shift $((OPTIND - 1))
|
||||
if [ -n "$1" ]; then
|
||||
_args+=("$1")
|
||||
shift
|
||||
fi
|
||||
unset OPTIND
|
||||
done
|
||||
# Early hook for help
|
||||
[ -n "$_opthelp" ] && printhelp && exit 0
|
||||
# Early hook for generating configs
|
||||
[ -n "$_optpregen" ] && genconfigs; exit $?
|
||||
# Ensure our running environment is sane and that we're not about to nest
|
||||
if [ -z "$_optdryrun" ] && [ -z "$_optpregen" ]; then
|
||||
for pid in $(pgrep firestarter); do
|
||||
# Skip invalid PIDs
|
||||
! [ -d "$/proc/$pid" ] && continue
|
||||
# If it's not our session then who cares
|
||||
[ "$_sessionid" != "$(< "/proc/$pid/sessionid")" ] && continue
|
||||
# If it's us then who cares
|
||||
[ "$pid" == "$BASHPID" ] && continue
|
||||
# We care
|
||||
error "Firestarter is already running: $pid" 40
|
||||
done
|
||||
fi
|
||||
if ! [ -d "$HOME" ] || ! [ -r "$HOME" ]; then
|
||||
error "Home directory not found or inaccessable: \"$HOME\"" 54
|
||||
fi
|
||||
if ! [ -d "$_optconfigdir" ]; then
|
||||
if [ -f "$_optconfigdir" ]; then
|
||||
error "Config directory is a file, should be directory: \"$_optconfigdir\"" 52
|
||||
fi
|
||||
if ! mkdir -p "$_optconfigdir" > /dev/null 2>&1; then
|
||||
error "Failed to find or create config directory: \"$_optconfigdir\"" 52
|
||||
fi
|
||||
fi
|
||||
# Validate core program dependencies
|
||||
log "Validating dependencies" 2
|
||||
if ! has basename; then
|
||||
error "Failed to find program: $_return" 1
|
||||
fi
|
||||
|
||||
# Do the do
|
||||
[ -n "$_optdryrun" ] && log "Performing a dry run"
|
||||
step_preexecute
|
||||
step_execute
|
||||
step_wait
|
||||
step_logout
|
||||
exit 0
|
||||
}
|
||||
|
||||
main "$@"
|
||||
|
||||
Loading…
Reference in New Issue
Block a user