Add bin and edit workflow

bin/gems/pry-0.15.2/lib/pry/commands/shell_command.rb

@@ -0,0 +1,75 @@
+# frozen_string_literal: true
+
+class Pry
+  class Command
+    class ShellCommand < Pry::ClassCommand
+      match(/\.(.*)/)
+      group 'Input and Output'
+      description "All text following a '.' is forwarded to the shell."
+      command_options listing: '.<shell command>', use_prefix: false,
+                      takes_block: true, state: %i[old_pwd]
+
+      banner <<-'BANNER'
+        Usage: .COMMAND_NAME
+
+        All text following a "." is forwarded to the shell.
+
+        .ls -aF
+        .uname
+      BANNER
+
+      def process(cmd)
+        if cmd =~ /^cd\s*(.*)/i
+          process_cd parse_destination(Regexp.last_match(1))
+        else
+          pass_block(cmd)
+          if command_block
+            command_block.call `#{cmd}`
+          else
+            pry_instance.config.system.call(output, cmd, pry_instance)
+          end
+        end
+      end
+
+      private
+
+      def parse_destination(dest)
+        return "~" if dest.empty?
+        return dest unless dest == "-"
+
+        state.old_pwd || raise(CommandError, "No prior directory available")
+      end
+
+      def process_cd(dest)
+        state.old_pwd = Dir.pwd
+        Dir.chdir(File.expand_path(path_from_cd_path(dest) || dest))
+      rescue Errno::ENOENT
+        raise CommandError, "No such directory: #{dest}"
+      end
+
+      def cd_path_env
+        Pry::Env['CDPATH']
+      end
+
+      def cd_path_exists?
+        cd_path_env && cd_path_env.length.nonzero?
+      end
+
+      def path_from_cd_path(dest)
+        return if !(dest && cd_path_exists?) || special_case_path?(dest)
+
+        cd_path_env.split(File::PATH_SEPARATOR).each do |path|
+          return path if File.directory?(path) && path.split(File::SEPARATOR).last == dest
+        end
+
+        nil
+      end
+
+      def special_case_path?(dest)
+        ['.', '..', '-'].include?(dest) || dest =~ /\A[#{File::PATH_SEPARATOR}~]/
+      end
+    end
+
+    Pry::Commands.add_command(Pry::Command::ShellCommand)
+  end
+end