Add print_width config option for rake tasks

README.md

@@ -505,6 +505,16 @@ SyntaxTree::Rake::WriteTask.new do |t|
 end
 ```
 
+#### `print_width`
+
+If you want to use a different print width from the default (80), you can pass that to the `print_width` field, as in:
+
+```ruby
+SyntaxTree::Rake::WriteTask.new do |t|
+  t.print_width = 100
+end
+```
+
 #### `plugins`
 
 If you're running Syntax Tree with plugins (either your own or the pre-built ones), you can pass that to the `plugins` field, as in:

lib/syntax_tree/rake/check_task.rb

@@ -35,14 +35,20 @@ class CheckTask < ::Rake::TaskLib
       # Defaults to [].
       attr_accessor :plugins
 
+      # Max line length.
+      # Defaults to 80.
+      attr_accessor :print_width
+
       def initialize(
         name = :"stree:check",
         source_files = ::Rake::FileList["lib/**/*.rb"],
-        plugins = []
+        plugins = [],
+        print_width = DEFAULT_PRINT_WIDTH
       )
         @name = name
         @source_files = source_files
         @plugins = plugins
+        @print_width = print_width
 
         yield self if block_given?
         define_task
@@ -58,6 +64,7 @@ def define_task
       def run_task
         arguments = ["check"]
         arguments << "--plugins=#{plugins.join(",")}" if plugins.any?
+        arguments << "--print-width=#{print_width}" if print_width != DEFAULT_PRINT_WIDTH
 
         SyntaxTree::CLI.run(arguments + Array(source_files))
       end

lib/syntax_tree/rake/write_task.rb

@@ -35,14 +35,20 @@ class WriteTask < ::Rake::TaskLib
       # Defaults to [].
       attr_accessor :plugins
 
+      # Max line length.
+      # Defaults to 80.
+      attr_accessor :print_width
+
       def initialize(
         name = :"stree:write",
         source_files = ::Rake::FileList["lib/**/*.rb"],
-        plugins = []
+        plugins = [],
+        print_width = DEFAULT_PRINT_WIDTH
       )
         @name = name
         @source_files = source_files
         @plugins = plugins
+        @print_width = print_width
 
         yield self if block_given?
         define_task
@@ -58,6 +64,7 @@ def define_task
       def run_task
         arguments = ["write"]
         arguments << "--plugins=#{plugins.join(",")}" if plugins.any?
+        arguments << "--print-width=#{print_width}" if print_width != DEFAULT_PRINT_WIDTH
 
         SyntaxTree::CLI.run(arguments + Array(source_files))
       end