set -e; . /usr/local/lib/bash-bear; set +e
+# eg eDP-1 connected primary
+laptop_out=$(xrandr | awk '$3 == "primary" {print $1}')
+output=$(xrandr | grep -E "^(HDMI|DP)[^ ]* connected [0-9]" | awk '{print $1}' ||:)
-output=HDMI2
-output=DP1
+left_right_arg=--right-of
+if [[ $output ]]; then
+
+ # identify monitors that are always on the left.
+ if [[ $output == HDMI2 && $(sha256sum </sys/class/drm/card0-HDMI-A-2/edid | grep -oE '^.{10}') == 192efbdcef ]]; then
+ left_right_arg=--left-of
+ fi
+ if [[ $output == HDMI-1 && $(sha256sum </sys/class/drm/card1-HDMI-A-1/edid | grep -oE '^.{10}') == 7c58f9ac1e ]]; then
+ left_right_arg=--left-of
+ fi
-if xrandr | grep -q "^$output disconnected" &>/dev/null; then
- xrandr --auto
-else
xrandr --output $output --off
sleep 2
- xrandr --output $output --right-of eDP1 --mode 3840x2160
+ mode=$(xrandr | grep -A1 -E "^$output" | tail -n1 | awk '{print $1}')
+ # eg: 3840x2160
+ echo mode=$mode
+ xrandr --output $output $left_right_arg $laptop_out --mode $mode
for i in 1 2 4 5 6 7 8 9 10; do
- # if the workspace is already there, this will fail
+ # if the workspace is already there, this will fail.
+ # if the workspace doesn't exist yet, it fails with:
+ # ERROR: No output matched
i3-msg '[workspace="'$i'"]' move workspace to output $output ||:
done
+else
+ xrandr --auto
+
fi