Drop support for Ruby < 2.7

Author: wteuber

.circleci/config.yml

@@ -7,35 +7,42 @@ jobs:
     steps:
       - checkout
       - run: 'bundle install'
-      - run: './test/test_git-status-tree'
+      - run: './test/test_git_status_tree'
   build_ruby_2_7:
     docker:
       - image: 'cimg/ruby:2.7'
     steps:
       - checkout
       - run: 'bundle install'
-      - run: './test/test_git-status-tree'
+      - run: './test/test_git_status_tree'
   build_ruby_3_0:
     docker:
       - image: 'cimg/ruby:3.0'
     steps:
       - checkout
       - run: 'bundle install'
-      - run: './test/test_git-status-tree'
+      - run: './test/test_git_status_tree'
   build_ruby_3_1:
     docker:
       - image: 'cimg/ruby:3.1'
     steps:
       - checkout
       - run: 'bundle install'
-      - run: './test/test_git-status-tree'
+      - run: './test/test_git_status_tree'
   build_ruby_3_2:
     docker:
       - image: 'cimg/ruby:3.2'
     steps:
       - checkout
       - run: 'bundle install'
-      - run: './test/test_git-status-tree'
+      - run: './test/test_git_status_tree'
+  build_rubocop:
+    docker:
+      - image: 'cimg/ruby:3.2'
+    steps:
+      - checkout
+      - run: 'bundle install'
+      - run: 'rubocop .'
 workflows:
   build_ruby_2_6:
     jobs:

.ruby-version

@@ -0,0 +1 @@
+ruby-2.7.7

.travis.yml

@@ -1,6 +1,8 @@
+# frozen_string_literal: true
+
 source 'https://rubygems.org'
 
 group :test do
-  gem 'test-unit' if ENV['RUBY_VERSION'][0..9] >= 'ruby-2.2.0'
-  gem 'cane', :require => false if ENV['RUBY_VERSION'][0..9] >= 'ruby-1.9.3'
+  gem 'rubocop', require: false
+  gem 'test-unit'
 end

Gemfile

@@ -1,4 +1,4 @@
-[![Build Status](https://app.travis-ci.com/knugie/git-status-tree.svg?branch=master)](https://app.travis-ci.com/github/knugie/git-status-tree)
+[![CircleCI Status](https://circleci.com/gh/knugie/git-status-tree/tree/master.svg?style=svg)](https://circleci.com/gh/knugie/git-status-tree/tree/master)
 [![Gem Version](https://img.shields.io/gem/v/git-status-tree.svg)](https://rubygems.org/gems/git-status-tree)
 
 # git-status-tree
@@ -10,30 +10,27 @@ and files. Run `git tree` in the command line to list all files in your git repo
 untracked (?) or have been added (A), modified (M) or deleted (D). The colored output  
 shows whether a file has been added/staged (green)(+) or not (red). The current status  
 of each file is appended to it.
+___
+## Installation
+**git-status-tree** is available on [rubygems.org](https://rubygems.org/gems/git-status-tree). Install git-status-tree running:
+```
+gem install git-status-tree
+```
 
 ## Example
 ![image](https://user-images.githubusercontent.com/1446195/134486179-290820c6-4a8c-4cf3-8707-43adacb77b4d.png)
 
-## Requirements
+## Compatibility
+**git-status-tree** supports:
 * Git (http://git-scm.com): version 1.8+
-* Ruby (http://www.ruby-lang.org): version 1.8+
+* Ruby (http://www.ruby-lang.org): version 2.7+
 
-## Install
-```
-gem install git-status-tree
-```
-
-## Config
+## Configuration
 Set the indentation as you like, default is 4.
 ```
 git config --global status-tree.indent <indent>
 ```
 
-## Uninstall
-```
-gem uninstall git-status-tree
-```
-
 ## Try it
 ```
 gem install git-status-tree
@@ -58,3 +55,23 @@ git tree
 git reset HEAD --hard
 git clean -xdf
 ```
+
+## Uninstall
+```
+gem uninstall git-status-tree
+```
+___
+## Development
+
+1. Clone this repository
+   * `git clone https://github.com/knugie/git-status-tree.git`
+   * `cd git-status-tree`
+2. Install dependencies
+    * `bundle install`
+3. Run tests
+    * `./test/test_git_status_tree`
+4. Run git-status-tree from repository
+    * `./bin/git-status-tree`
+5. Build and install local gem
+   * `gem build git-status-tree.gemspec`
+   * `gem install git-status-tree-2.0.0.gem`

README.md

@@ -1 +1 @@
-1.0.1
+2.0.0

VERSION

@@ -1,6 +1,6 @@
 #!/usr/bin/env ruby
-# encoding: utf-8
+# frozen_string_literal: true
 
-require File.join File.dirname(__FILE__), '../src/git-status-tree'
+require File.join File.dirname(__FILE__), '../src/git_status_tree'
 
 puts GitStatusTree.new.to_s

bin/git-status-tree

@@ -1,15 +1,17 @@
+# frozen_string_literal: true
+
 require 'mkmf'
 
 find_executable('bash')
 find_executable('git')
 find_executable('make')
 
 # Trick Rubygems into thinking the generated Makefile was executed
-compile = File.join(Dir.pwd, 'git_tree.' + RbConfig::CONFIG['DLEXT'])
-File.open(compile, "w") {}
+compile = File.join(Dir.pwd, "git_tree.#{RbConfig::CONFIG['DLEXT']}")
+File.open(compile, 'w') {}
 
 # Install "git tree"
 puts `../../bin/git_add_alias_tree`
 
 # Trick Rubygems into thinking the Makefile was executed
-$makefile_created = true
+$makefile_created = true # rubocop:disable Style/GlobalVars

ext/git_tree/extconf.rb

@@ -1,16 +1,18 @@
+# frozen_string_literal: true
+
 Gem::Specification.new do |s|
-  s.name          = 'git-status-tree'
-  s.version       = '1.0.1'
-  s.summary       = 'counts bits'
-  s.licenses      = ['MIT', 'GPL-2.0']
-  s.summary       = "git status in file tree format"
-  s.description   = 'git-status-tree is a command line tool that shows git repository changes in a file tree.'
-  s.authors       = ["Wolfgang Teuber"]
-  s.email         = 'knugie@gmx.net'
-  s.files         = Dir['{lib/*.rb,src/*.rb,bin/*}'] + Dir['ext/git_tree/Makefile']
-  s.require_paths = ['lib']
-  s.executables   = ['git-status-tree']
-  s.extensions    = Dir['ext/git_tree/extconf.rb']
-  s.homepage      = 'https://github.com/knugie/git-status-tree'
-  s.metadata      = { "source_code_uri" => "https://github.com/knugie/git-status-tree" }
+  s.name                  = 'git-status-tree'
+  s.required_ruby_version = '>= 2.7'
+  s.version               = '2.0.0'
+  s.licenses              = ['MIT', 'GPL-2.0']
+  s.summary               = 'git status in file tree format'
+  s.description           = 'git-status-tree is a command line tool that shows git repository changes in a file tree.'
+  s.authors               = ['Wolfgang Teuber']
+  s.email                 = 'knugie@gmx.net'
+  s.files                 = Dir['{lib/*.rb,src/*.rb,bin/*}'] + Dir['ext/git_tree/Makefile']
+  s.require_paths         = ['lib']
+  s.executables           = ['git-status-tree']
+  s.extensions            = Dir['ext/git_tree/extconf.rb']
+  s.homepage              = 'https://github.com/knugie/git-status-tree'
+  s.metadata              = { 'source_code_uri' => 'https://github.com/knugie/git-status-tree' }
 end

git-status-tree.gemspec

@@ -1,4 +1,4 @@
-# encoding: utf-8
+# frozen_string_literal: true
 
 module BashColor
   NONE = "\033[0m"