Phar support, more plugins and presets

check-requirements

@@ -0,0 +1,31 @@
+#!/bin/bash
+
+function group {
+    echo -e "\e[1m$1\e[0m"
+}
+function good {
+    echo -e "[\e[92m ok \e[0m] \e[32m$1\e[0m"
+}
+function bad {
+    echo -e "[\e[91mfail\e[0m] \e[31m$1\e[0m"
+}
+
+function check {
+    local NAME
+    test -z "$2" || NAME="$2"
+    test -z "$NAME" && NAME="$1"
+    if [ -z "$(which $1)" ]; then
+        bad "$NAME is missing"
+    else
+        good "Found $NAME at $(which $1)"
+    fi
+}
+
+group "Checking for zenity"
+check "zenity" 
+check "dialog"
+
+group "Checking tools"
+check "ffprobe"
+check "ffmpeg"
+check "transcode"