forked from GH-forks/hyprfreeze
chore: code cleanup
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547787A4FE6533F1
1 changed files with 77 additions and 57 deletions
134
coolant
134
coolant
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@ -23,6 +23,11 @@ Options:
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EOF
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}
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function die() {
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echo -e "${1:-An unexpected error ocurred.}" >&2
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exit ${2:-1}
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}
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function debugPrint() {
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if [ "$DEBUG" -eq 1 ]; then
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echo "[DEBUG] $1"
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@ -33,131 +38,142 @@ function toggleFreeze() {
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# Skip this function if --dry-run flag was provided
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if [[ $DRYRUN == "1" ]]; then return 0; fi
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local pid="$1"
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# Die if PID is not numeric (e.g. "null" if there is no active window)
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if ! [[ $PID == ?(-)+([[:digit:]]) ]]; then
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echo "PID $PID is not a valid PID."
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exit 1
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if ! [[ $pid == ?(-)+([[:digit:]]) ]]; then
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die "PID $pid is not a valid PID." 2
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fi
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# Die if nonexistent PID
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if ! ps -p $PID > /dev/null; then
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echo "PID $PID does not exist."
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exit 1
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if ! ps -p $pid > /dev/null; then
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die "PID $pid does not exist." 130
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fi
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# Get pids of process tree
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PIDS=$(pstree -p "$PID" | grep -oP '\(\K[^\)]+')
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local pids=$(pstree -p "$pid" | grep -oP '\(\K[^\)]+')
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debugPrint "PIDs: $PIDS"
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debugPrint "PIDs: $pids"
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# Prevent suspending itself
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local pid_of_script=$$
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if echo "$PIDS" | grep -q "$pid_of_script"; then
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if echo "$pids" | grep -q "$pid_of_script"; then
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echo "You are trying to suspend the Coolant process."
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exit 1
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fi
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# Suspend or resume processes
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if [[ "$(ps -o state= "$PID")" == T ]]; then
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if [[ "$(ps -o state= "$pid")" == T ]]; then
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debugPrint "Resuming processes..."
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kill -CONT $PIDS 2>/dev/null && echo "Resumed $(ps -p "$PID" -o comm= 2>/dev/null) (PID $PID)" || exit 1
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kill -CONT $pids 2>/dev/null && echo "Resumed $(ps -p "$pid" -o comm= 2>/dev/null) (PID $pid)" || exit 1
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else
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debugPrint "Suspending processes..."
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kill -STOP $PIDS 2>/dev/null && echo "Suspended $(ps -p "$PID" -o comm= 2>/dev/null) (PID $PID)" || exit 1
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kill -STOP $pids 2>/dev/null && echo "Suspended $(ps -p "$pid" -o comm= 2>/dev/null) (PID $pid)" || exit 1
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fi
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}
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function getPidByActive() {
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debugPrint "Getting PID by active window..."
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local pid
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if [[ "hyprland" == "$DESKTOP" ]]; then
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PID=$(hyprctl activewindow -j | jq '.pid')
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pid=$(hyprctl activewindow -j | jq '.pid')
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elif [[ "sway" == "$DESKTOP" ]]; then
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PID=$(swaymsg -t get_tree | jq '.. | select(.type?) | select(.focused==true) | .pid')
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pid=$(swaymsg -t get_tree | jq '.. | select(.type?) | select(.focused==true) | .pid')
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else
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echo "Detecting the active window is currently not supported on $DESKTOP."
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exit 1
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fi
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debugPrint "PID by active window: $PID"
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echo $pid
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}
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function getPidByName() {
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debugPrint "Getting PID by name: $1"
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# Check if process name exists
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if ! pidof -x "$1" >/dev/null; then
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echo "Process name $1 not found"
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exit 1
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die "Process name '$1' not found"
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fi
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# Get last process if there are multiple
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PID=$(pidof "$1" | awk '{print $NF}')
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debugPrint "PID by name: $PID"
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echo "$(pidof "$1" | awk '{ print $NF; }')"
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}
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function getPidByProp() {
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debugPrint "Getting PID by prop..."
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local pid
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if [[ "hyprland" == "$DESKTOP" ]]; then
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if ! [ $(command -v hyprprop) ]; then
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echo "You need to install 'hyprprop' to use this feature. (https://github.com/vilari-mickopf/hyprprop)"
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exit 1
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die "You need to install hyprprop to use this feature. (https://github.com/vilari-mickopf/hyprprop)" 127
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fi
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PID=$(hyprprop | jq '.pid')
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pid=$(hyprprop | jq '.pid')
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elif [[ "sway" == "$DESKTOP" ]]; then
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if ! [ $(command -v swayprop) ]; then
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echo "You need to install 'swayprop' to use this feature. (https://git.alternerd.tv/alterNERDtive/swayprop)"
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exit 1
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die "You need to install swayprop to use this feature. (https://git.alternerd.tv/alterNERDtive/swayprop)" 127
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fi
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PID=$(swayprop | jq '.pid')
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pid=$(swayprop | jq '.pid')
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else
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echo "Selecting the target window by mouse is currently not supported on $DESKTOP."
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exit 1
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die "Selecting the target window by mouse is currently not supported on $DESKTOP." 130
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fi
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debugPrint "PID by prop: $PID"
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echo "$pid"
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}
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function detectEnvironment() {
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if [ $(command -v loginctl) ]; then
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local Desktop
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eval "$(loginctl show-session $(loginctl | grep $(whoami) | awk '{print $1}') -p Desktop)"
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local Desktop Type
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eval "$(loginctl show-session $(loginctl | grep $(whoami) | awk '{print $1}') -p Type -p Desktop)"
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DESKTOP=$Desktop
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SESSION=$Type
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fi
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if [ -z "$DESKTOP" ]; then
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DESKTOP=$XDG_SESSION_DESKTOP
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fi
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if [ -z "$DESKTOP" ]; then
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debugPrint "Could not determine desktop environment via \`loginctl\`, and `$XDG_DESKTOP_SESSION` is not set. Assuming Hyprland."
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DESKTOP="hyprland"
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if [ -z "$SESSION" ]; then
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SESSION=$XDG_SESSION_TYPE
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fi
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if [ -z "$SESSION" ]; then
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die "Could not determine session type via loginctl, and \$XDG_SESSION_TYPE is not set." 130
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fi
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if [ -z "$DESKTOP" ]; then
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die "Could not determine desktop environment via loginctl, and \$XDG_SESSION_DESKTOP is not set." 130
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fi
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debugPrint "Session: $SESSION"
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debugPrint "Desktop: $DESKTOP"
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}
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function printInfo() {
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local pid="$1"
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debugPrint "Printing session info …"
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echo -e "$(tput bold)Session:$(tput sgr0) $SESSION"
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echo -e "$(tput bold)Desktop:$(tput sgr0) $DESKTOP"
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echo ""
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debugPrint "Printing process info..."
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echo -e "$(tput bold)Process tree:$(tput sgr0)"
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ps -p "$PID" 2>/dev/null && pstree -p "$PID"
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ps -p "$pid" 2>/dev/null && pstree -p "$pid"
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echo ""
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echo -e "\n$(tput bold)Process threads:$(tput sgr0)"
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ps -eLo pid,tid,comm | grep "$PID" 2>/dev/null
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echo -e "$(tput bold)Process threads:$(tput sgr0)"
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ps -eLo pid,tid,comm | grep "$pid" 2>/dev/null
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echo ""
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echo -e "\n$(tput bold)Process ID$(tput sgr0) = $PID \
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\n$(tput bold)Process name$(tput sgr0) = $(ps -p "$PID" -o comm= 2>/dev/null) \
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\n$(tput bold)Process state$(tput sgr0) = $(ps -o state= -p "$PID" 2>/dev/null)\n"
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echo -e "$(tput bold)Process ID$(tput sgr0) = $pid"
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echo -e "$(tput bold)Process name$(tput sgr0) = $(ps -p "$pid" -o comm= 2>/dev/null)"
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echo -e "$(tput bold)Process state$(tput sgr0) = $(ps -o state= -p "$pid" 2>/dev/null)"
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}
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function sendNotification() {
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local pid="$@"
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debugPrint "Sending notification..."
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local title
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title=$( [[ "$(ps -p "$PID" -o state=)" == T ]] &&
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echo "Suspended $(ps -p "$PID" -o comm= 2>/dev/null)" ||
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echo "Resumed $(ps -p "$PID" -o comm= 2>/dev/null)")
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local title=$( [[ "$(ps -p "$pid" -o state=)" == T ]] &&
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echo "Suspended $(ps -p "$pid" -o comm= 2>/dev/null)" ||
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echo "Resumed $(ps -p "$pid" -o comm= 2>/dev/null)")
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local message="PID $PID"
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notify-send -e "${title}" "${message}" -t "$NOTIF_TIMEOUT" -a Coolant
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notify-send -e "${title}" "PID ${pid}" -t "$NOTIF_TIMEOUT" -a Coolant
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}
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function args() {
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@ -230,24 +246,28 @@ function args() {
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}
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function main() {
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local pid
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debugPrint "Starting main function..."
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# Get pid by a required flag
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if [ "$FLAG_ACTIVE" = true ]; then
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getPidByActive
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pid="$(getPidByActive)"
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debugPrint "PID by active window: $pid"
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elif [ -n "$FLAG_PID" ]; then
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PID="$FLAG_PID"
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pid="$FLAG_PID"
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elif [ -n "$NAME_FLAG" ]; then
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getPidByName "$NAME_FLAG"
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pid="$(getPidByName "$NAME_FLAG")"
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debugPrint "PID by name: $PID"
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elif [ "$FLAG_PROP" = true ]; then
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getPidByProp
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pid="$(getPidByProp)"
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debugPrint "PID by prop: $pid"
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fi
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# Suspend or resume process
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toggleFreeze
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toggleFreeze "$pid"
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# Run these functions after PID is obtained
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if [ $INFO -eq 1 ]; then printInfo; fi
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if [ $SILENT -ne 1 ]; then sendNotification; fi
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if [ $INFO -eq 1 ]; then printInfo "$pid"; fi
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if [ $SILENT -ne 1 ]; then sendNotification "$pid"; fi
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debugPrint "End of main function."
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}
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