dotfiles/polybar/launch.sh

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#!/bin/bash
echo "Launching polybar"
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LOGDIR="$HOME/.log/my-i3-desktop/polybar-$(date +%Y%m%d_%H%M%S.%N)"
mkdir -p "$LOGDIR"
INIT_LOG="$LOGDIR/launch.log"
exec 1>&- 2>&-
exec 1>"$INIT_LOG" 2>&1
detect_primary_monitor() {
primary="$(xrandr | grep -F " connected primary" | head -n1 | cut -d ' ' -f1)"
[[ -n $primary ]] || primary="$(echo "$monitors" | grep " connected" | head -n1 | cut -d ' ' -f1)"
echo "$primary"
}
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echo -e "Determining primary monitor..."
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primary=$(detect_primary_monitor)
[[ -n $primary ]] || { echo "WARNING: no primary monitor detected!"; notify-send -a "Polybar launcher" "No primary monitor detected" "Couldn't detect primary monitor. Check $INIT_LOG."; }
echo "Primary monitor: $primary"
echo -e "\nDetermining secondary monitors..."
secondary="$(xrandr --listmonitors | sed -n "1d;/$primary\$/d;"'s/^.* \([^ ][^ ]*\)$/\1/p')"
if [[ -n $secondary ]]; then
echo "Secondary monitors:"; echo "$secondary" | sed -r 's/^/* /'
else
echo "No secondary monitors."
fi
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# Terminate already running bar instances
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echo -e "\nTerminating already running bars..."
echo "Running Polybar processes:"
pgrep -u $UID -x polybar | sed -r 's/^/* /'
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killall -q polybar
# Wait until the processes have been shut down
while pgrep -u $UID -x polybar >/dev/null; do sleep 1; done
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echo "Terminated."
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(
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echo -e "\nReading secrets..."
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set -o allexport # Make all assignments exports
source "$(dirname "$0")"/secrets.sh
set +o allexport
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echo
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start_polybar() {
echo "Starting $1 on $2"
MONITOR="$2" \
polybar --config="$HOME/.config/polybar/config.ini" "$1" \
&>"$LOGDIR/$1-$2.log" & disown
}
start_polybar midbard "$primary"
if [[ -n $secondary ]]; then
while read -r monitor; do
start_polybar secondary "$monitor"
done <<< "$secondary"
fi
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)
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exec 1>&- 2>&-
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echo "Polybar launched."