add 'run docker build/push' commands

due to Docker Hub disabling auto builds for the average jo...

Author: DannyBen

Runfile

@@ -1,6 +1,7 @@
 require "runfile-tasks"
 require "byebug"
 require_relative 'lib/bashly'
+require_relative 'helpers/example'
 
 title   "Bashly Developer Toolbelt"
 summary "Runfile tasks for building the Bashly gem"
@@ -41,99 +42,21 @@ action :examples do
   end
 end
 
-class Example
-  class << self
-    def dirs
-      @dirs ||= Dir['examples/*'].select { |f| File.directory? f }
-    end
+command :docker
 
-    def all
-      dirs.map { |dir| Example.new dir }
-    end
-
-    def executables
-      all.map &:executable
-    end
-  end
-
-  attr_reader :dir
-
-  def initialize(dir)
-    @dir = dir
-  end
-
-  def config
-    @config ||= YAML.load_file(yaml_path)
-  end
-
-  def yaml
-    @yaml ||= File.read(yaml_path).strip
-  end
-
-  def yaml_path
-    "#{dir}/src/bashly.yml"
-  end
-
-  def readme_path
-    "#{dir}/README.md"
-  end
-
-  def readme
-    File.read readme_path
-  end
-
-  def test_commands
-    filename = "#{dir}/test.sh"
-    result = File.read(filename)
-      .split(/\s*### Try Me ###\s*/).last
-      .split("\n")
-      .reject { |line| line.empty? or line.start_with? '#' }
-    abort "Can't find ### Try Me ### marker in #{filename}" if result.empty?
-    result
-  end
-
-  def test_output
-    result = ''
-    test_commands.each do |command|
-      result += "### `$ #{command}`\n\n"
-      result += "```shell\n"
-      Dir.chdir dir do
-        result += `#{command} 2>&1`
-        result += "\n\n"
-      end
-      result += "```\n\n"
-    end
-    result
-  end
-
-  def regenerate_readme
-    File.write readme_path, generated_readme
-  end
-
-  def generated_readme
-    marker = '-----'
-    content = readme.split(marker)[0].strip
-    <<~EOF
-    #{content}
-
-    #{marker}
-
-    ## `bashly.yml`
-
-    ```yaml
-    #{yaml}
-    ```
-
-    ## Generated script output
-
-    #{test_output}
-
-    EOF
-  end
+help   "Build the docker images"
+action :build, :b do
+  run "docker build -t dannyben/bashly ."
+  run "docker tag dannyben/bashly dannyben/bashly:#{Bashly::VERSION}"
+  run "docker images |grep bashly"
+end
 
-  def executable
-    "#{dir}/#{config['name']}"
-  end
+help   "Push the docker images to Docker Hub (since autobuilds are only for the rich and famous...)"
+action :push, :p do
+  run "docker push dannyben/bashly"
+  run "docker push dannyben/bashly:#{Bashly::VERSION}"
 end
 
+endcommand
+
 require './debug.rb' if File.exist? 'debug.rb'

helpers/example.rb

@@ -0,0 +1,95 @@
+# A helper class used in Runfile to generate example README files
+class Example
+  class << self
+    def dirs
+      @dirs ||= Dir['examples/*'].select { |f| File.directory? f }
+    end
+
+    def all
+      dirs.map { |dir| Example.new dir }
+    end
+
+    def executables
+      all.map &:executable
+    end
+  end
+
+  attr_reader :dir
+
+  def initialize(dir)
+    @dir = dir
+  end
+
+  def config
+    @config ||= YAML.load_file(yaml_path)
+  end
+
+  def yaml
+    @yaml ||= File.read(yaml_path).strip
+  end
+
+  def yaml_path
+    "#{dir}/src/bashly.yml"
+  end
+
+  def readme_path
+    "#{dir}/README.md"
+  end
+
+  def readme
+    File.read readme_path
+  end
+
+  def test_commands
+    filename = "#{dir}/test.sh"
+    result = File.read(filename)
+      .split(/\s*### Try Me ###\s*/).last
+      .split("\n")
+      .reject { |line| line.empty? or line.start_with? '#' }
+    abort "Can't find ### Try Me ### marker in #{filename}" if result.empty?
+    result
+  end
+
+  def test_output
+    result = ''
+    test_commands.each do |command|
+      result += "### `$ #{command}`\n\n"
+      result += "```shell\n"
+      Dir.chdir dir do
+        result += `#{command} 2>&1`
+        result += "\n\n"
+      end
+      result += "```\n\n"
+    end
+    result
+  end
+
+  def regenerate_readme
+    File.write readme_path, generated_readme
+  end
+
+  def generated_readme
+    marker = '-----'
+    content = readme.split(marker)[0].strip
+    <<~EOF
+    #{content}
+
+    #{marker}
+
+    ## `bashly.yml`
+
+    ```yaml
+    #{yaml}
+    ```
+
+    ## Generated script output
+
+    #{test_output}
+
+    EOF
+  end
+
+  def executable
+    "#{dir}/#{config['name']}"
+  end
+end