Fixed Arch system check

Fix for arch based systems

scripts/fix-opera.sh

@@ -20,6 +20,10 @@ if ! which wget > /dev/null; then
 	exit 1
 fi
 
+if which pacman > /dev/null; then
+	ARCH_SYSTEM=true
+fi
+
 #Config section
 readonly FIX_WIDEVINE=true
 readonly TEMP_DIR='/tmp'
@@ -30,11 +34,15 @@ readonly FFMPEG_SO_NAME='libffmpeg.so'
 readonly WIDEVINE_SO_NAME='libwidevinecdm.so'
 readonly WIDEVINE_MANIFEST_NAME='manifest.json'
 
-readonly OPERA_DIR=$(dirname $(readlink -f $(which opera)))
-readonly OPERA_LIB_DIR="$OPERA_DIR/lib_extra"
-readonly OPERA_WIDEVINE_DIR="$OPERA_LIB_DIR/WidevineCdm"
-readonly OPERA_WIDEVINE_SO_DIR="$OPERA_WIDEVINE_DIR/_platform_specific/linux_x64"
-readonly OPERA_WIDEVINE_CONFIG="$OPERA_DIR/resources/widevine_config.json"
+OPERA_VERSIONS=()
+
+if [ -x "$(command -v opera)" ]; then
+  OPERA_VERSIONS+=("opera")
+fi
+
+if [ -x "$(command -v opera-beta)" ]; then
+  OPERA_VERSIONS+=("opera-beta")
+fi
 
 #Getting download links
 printf 'Getting download links...\n'
@@ -80,6 +88,19 @@ if $FIX_WIDEVINE; then
   unzip -o "$TEMP_DIR/opera-fix/widevine.zip" -d $TEMP_DIR/opera-fix > /dev/null
 fi
 
+for opera in ${OPERA_VERSIONS[@]}; do
+  echo "Doing $opera"
+  EXECUTABLE=$(command -v "$opera")
+	if [[ "$ARCH_SYSTEM" == true ]]; then
+		OPERA_DIR=$(dirname $(cat $EXECUTABLE | grep exec | cut -d ' ' -f 2))
+	else
+		OPERA_DIR=$(dirname $(readlink -f $EXECUTABLE))
+	fi
+  OPERA_LIB_DIR="$OPERA_DIR/lib_extra"
+  OPERA_WIDEVINE_DIR="$OPERA_LIB_DIR/WidevineCdm"
+  OPERA_WIDEVINE_SO_DIR="$OPERA_WIDEVINE_DIR/_platform_specific/linux_x64"
+  OPERA_WIDEVINE_CONFIG="$OPERA_DIR/resources/widevine_config.json"
+
   #Removing old libraries and preparing directories
   printf 'Removing old libraries & making directories...\n'
   ##ffmpeg
@@ -94,16 +115,17 @@ fi
   #Moving libraries to its place
   printf 'Moving libraries to their places...\n'
   ##ffmpeg
-mv -f "$TEMP_DIR/opera-fix/$FFMPEG_SO_NAME" "$OPERA_LIB_DIR"
+  cp -f "$TEMP_DIR/opera-fix/$FFMPEG_SO_NAME" "$OPERA_LIB_DIR"
   chmod 0644 "$OPERA_LIB_DIR/$FFMPEG_SO_NAME"
   ##Widevine
   if $FIX_WIDEVINE; then
-	mv -f "$TEMP_DIR/opera-fix/$WIDEVINE_SO_NAME" "$OPERA_WIDEVINE_SO_DIR"
+    cp -f "$TEMP_DIR/opera-fix/$WIDEVINE_SO_NAME" "$OPERA_WIDEVINE_SO_DIR"
     chmod 0644 "$OPERA_WIDEVINE_SO_DIR/$WIDEVINE_SO_NAME"
-	mv -f "$TEMP_DIR/opera-fix/$WIDEVINE_MANIFEST_NAME" "$OPERA_WIDEVINE_DIR"
+    cp -f "$TEMP_DIR/opera-fix/$WIDEVINE_MANIFEST_NAME" "$OPERA_WIDEVINE_DIR"
     chmod 0644 "$OPERA_WIDEVINE_DIR/$WIDEVINE_MANIFEST_NAME"
     printf "[\n      {\n         \"preload\": \"$OPERA_WIDEVINE_DIR\"\n      }\n]\n" > "$OPERA_WIDEVINE_CONFIG"
   fi
+done
 
 #Removing temporary files
 printf 'Removing temporary files...\n'