simple-power-menu: convert to posix compliant

bin/simple-power-menu

@@ -1 +1 @@
-../simple-power-menu/simple-power-menu.bash
+../simple-power-menu/simple-power-menu.sh

simple-power-menu/simple-power-menu.bash

@@ -1,79 +0,0 @@
-#!/bin/bash
-
-if [ "$(command -v rofi)" ]; then
-    CMD='rofi -dmenu';
-elif [ "$(command -v dmenu)" ]; then
-    CMD='dmenu';
-else
-    echo 'Could not find either dmenu or rofi, exiting'
-    exit 1;
-fi
-
-fn_logout() {
-    if [[ $DESKTOP_SESSION =~ ^.*openbox$ ]]; then
-        openbox --exit
-    elif [[ $DESKTOP_SESSION =~ ^.*i3$ ]]; then
-        i3-msg exit
-    elif [[ $DESKTOP_SESSION =~ ^.*qtile$ ]]; then
-        qtile shell -c 'shutdown()'
-    elif [[ $DESKTOP_SESSION =~ ^.*fluxbox$ ]]; then
-        killall fluxbox
-    elif [[ $DESKTOP_SESSION =~ ^.*bspwm$ ]]; then
-        bspc quit 1
-    else
-        loginctl terminate-session "${XDG_SESSION_ID-}"
-    fi
-}
-
-OPTIONS=(
-    "Shutdown"
-    "Reboot"
-    "Suspend"
-    "Log out"
-)
-
-OPTIONS_CMD=(
-    "systemctl poweroff"
-    "systemctl reboot"
-    "systemctl suspend"
-    "fn_logout"
-)
-
-PROMPT=$(printf "%s\\\\n" "${OPTIONS[@]}")
-PROMPT="${PROMPT%??}"
-
-PROMPT_LENGHT="${#OPTIONS[@]}"
-
-CHOICE=$(echo -e "$PROMPT" | $CMD -l "$PROMPT_LENGHT" -p "Power Menu")
-
-if [[ -z $CHOICE ]]; then
-    exit 0;
-fi
-
-CAN_PROCEDE=0
-for i in "${!OPTIONS[@]}"; do
-    if [[ "${OPTIONS[$i]}" = "${CHOICE}" ]]; then
-        CAN_PROCEDE=1
-    fi
-done
-
-if [ $CAN_PROCEDE -eq 0 ]; then
-    exit 0;
-fi
-
-CONFIRMATION_CHOICES="no\nyes"
-CONFIRMATION=$(echo -e $CONFIRMATION_CHOICES | $CMD -l 2 -p "Do you want to $CHOICE")
-
-if [ -z "$CONFIRMATION" ]; then
-    exit 0;
-fi
-
-if [ "$CONFIRMATION" != yes ]; then
-    exit 0;
-fi
-
-for i in "${!OPTIONS[@]}"; do
-    if [[ "${OPTIONS[$i]}" = "${CHOICE}" ]]; then
-        ${OPTIONS_CMD[i]}
-    fi
-done

simple-power-menu/simple-power-menu.sh

@@ -0,0 +1,56 @@
+#!/bin/sh
+
+if [ "$(command -v rofi)" ]; then
+    CMD='rofi -dmenu';
+elif [ "$(command -v dmenu)" ]; then
+    CMD='dmenu';
+else
+    echo 'Could not find either dmenu or rofi, exiting'
+    exit 1;
+fi
+
+fn_logout() {
+    case "$DESKTOP_SESSION" in
+        *openbox*) openbox --exit;;
+        *i3*) i3-msg exit;;
+        *qtile*) qtile shell -c 'shutdown()';;
+        *fluxbox*) killall fluxbox;;
+        *bspwm*) bspc quit 1;;
+        *) loginctl terminate-session "${XDG_SESSION_ID-}";;
+    esac
+}
+
+OPTIONS="\
+Shutdown    \tsystemctl poweroff
+Reboot      \tsystemctl reboot
+Suspend     \tsystemctl suspend
+Log out     \tfn_logout"
+
+PROMPT="$(echo "$OPTIONS" | awk -F"\t" '{print $1}')"
+
+PROMPT_LENGHT="$(echo "$PROMPT" | wc -l)"
+
+CHOICE="$(echo "$PROMPT" | $CMD -l "$PROMPT_LENGHT" -p "Power Menu" | xargs)"
+
+if [ -z "$CHOICE" ]; then
+    exit 0;
+fi
+
+COMMAND="$(echo "$OPTIONS" | grep "$CHOICE" | awk -F"\t" '{print $2}')"
+
+if [ -z "$COMMAND" ]; then
+    exit 0;
+fi
+
+CONFIRMATION_CHOICES="no\nyes"
+CONFIRMATION="$(echo $CONFIRMATION_CHOICES | $CMD -l 2 -p "Do you want to $CHOICE")"
+
+if [ -z "$CONFIRMATION" ]; then
+    exit 0;
+fi
+
+if [ "$CONFIRMATION" != yes ]; then
+    exit 0;
+fi
+
+$COMMAND