autocrat.sh: devilspie(2) written in bash, but simpler and more versatile

autocrat.sh

#!/bin/bash

# autocrat.sh: devilspie(2) written in bash, but simpler and more versatile

# Decrees can be written by asking ChatGPT to formulate them.
# Use the following priming prompt to do so:

cat > /dev/null <<EOF

I am building a Bash script called autocrat.sh that manages window behavior in Linux, similar to devilspie2. 
Each rule is a Bash function named decree_<something>. 
Please write a decree that does [describe behavior], using tools like wmctrl or xdotool where needed. 
The function should be idempotent and concise.

EOF

# Decrees — define as many as you like

# Rationale: "TurboVNC: " requires a lot of title real-estate in a taskbar, this decree mitigates that.
decree_turbovnc_windows_shall_be_so_named() {
    # Get list of all windows with TurboVNC in the title
    wmctrl -l | grep "TurboVNC: " | while read -r win_id _ _ title; do
        # Strip "TurboVNC: " from the title
        new_title="${title#TurboVNC: }"
        wmctrl -i -r "$win_id" -T "$new_title"
    done
}

# Main enforcement function
enforce_decrees() {
    for decree in $(declare -F | awk '{print $3}' | grep '^decree_'); do
        "$decree"
    done
}

SELF_SCRIPT="$(realpath "$0")"
LAST_MOD_TIME=$(stat -c %Y "$SELF_SCRIPT")

# Interval in seconds between enforcement cycles
INTERVAL=2

# Main loop
while true; do
    enforce_decrees

    # Check if the script has changed
    NEW_MOD_TIME=$(stat -c %Y "$SELF_SCRIPT")
    if [[ "$NEW_MOD_TIME" != "$LAST_MOD_TIME" ]]; then
        echo "[autocrat] Detected script update. Restarting..."
        exec "$SELF_SCRIPT" "$@"
    fi

    sleep "$INTERVAL"
done