ranger: Use bat to preview text files (WIP)

wrap_plaintext_previews has to be disabled, otherwise bats output is
completely messed up. On the other hand I'd like to have it turned on
since it is useful when the usually pretty long file type classification
is used as preview.

.config/ranger/rc.conf

@@ -129,7 +129,7 @@ set preview_directories true
 set collapse_preview true
 
 # Wrap long lines in plain text previews?
-set wrap_plaintext_previews true
+set wrap_plaintext_previews false
 
 # Save the console history on exit?
 set save_console_history true

.config/ranger/scope.sh

@@ -296,6 +296,8 @@ handle_mime() {
 
         ## Text
         text/* | */xml)
+            bat --decorations=always --color=always --paging=never \
+                --terminal-width="$PV_WIDTH" -- "${FILE_PATH}" && exit 0
             ## Syntax highlight
             if [[ "$( stat --printf='%s' -- "${FILE_PATH}" )" -gt "${HIGHLIGHT_SIZE_MAX}" ]]; then
                 exit 2