Deprecate preview.rb

bin/preview.rb

@@ -1,59 +1,3 @@
 #!/usr/bin/env ruby
-#
-# usage: ./preview.rb FILENAME[:LINE][:IGNORED]
 
-require 'open3'
-require 'shellwords'
-
-COMMAND = ENV.fetch(
-  'FZF_PREVIEW_COMMAND',
-  %[bat --style=numbers --color=always {} || highlight -O ansi -l {} || coderay {} || rougify {} || cat {}]
-)
-ANSI    = /\x1b\[[0-9;]*m/
-REVERSE = "\x1b[7m"
-RESET   = "\x1b[m"
-
-def usage
-  puts "usage: #$0 FILENAME[:LINENO][:IGNORED]"
-  exit 1
-end
-
-usage if ARGV.empty?
-
-file, center, extra = ARGV.first.split(':')
-if ARGV.first =~ /^[A-Z]:\\/
-  file << ':' + center
-  center = extra
-end
-usage unless file
-
-path = File.expand_path(file)
-unless File.readable? path
-  puts "File not found: #{file}"
-  exit 1
-end
-
-if `file --dereference --mime "#{file}"` =~ /binary/
-  puts "#{file} is a binary file"
-  exit 0
-end
-
-center = (center || 0).to_i
-height =
-  if ENV['LINES']
-    ENV['LINES'].to_i
-  else
-    File.readable?('/dev/tty') ? `stty size < /dev/tty`.split.first.to_i : 40
-  end
-offset = [1, center - height / 3].max
-
-Open3.popen3(COMMAND.gsub('{}', Shellwords.shellescape(path))) do |_in, out, _err|
-  out.each_line.drop(offset - 1).take(height).each_with_index do |line, lno|
-    if lno + offset == center
-      puts REVERSE + line.chomp.gsub(ANSI) { |m| m + REVERSE } + RESET
-    else
-      puts line
-    end
-  end
-end
-print RESET
+puts 'preview.rb is deprecated. Use preview.sh instead.'