feat: Add support for scaffold

.gitignore

@@ -1,2 +1,3 @@
 /bin
+/lib
 

shard.lock

@@ -0,0 +1,30 @@
+version: 2.0
+shards:
+  completion:
+    git: https://github.com/f/completion.git
+    version: 0.1.0+git.commit.d8799381b2de14430496199260eca64eb329625f
+
+  cor:
+    git: https://github.com/watzon/cor.git
+    version: 0.1.0+git.commit.9c9e51ac6168f3bd4fdc51d679b65de09ef76cac
+
+  ioctl:
+    git: https://github.com/crystal-posix/ioctl.cr.git
+    version: 1.0.0
+
+  term-cursor:
+    git: https://github.com/crystal-term/cursor.git
+    version: 0.1.0+git.commit.8805d5f686d153db92cf2ce3333433f8ed3708d0
+
+  term-prompt:
+    git: https://github.com/crystal-term/prompt.git
+    version: 0.1.0+git.commit.bf2b17f885a6c660aea0dda62b0b9da4343ab295
+
+  term-reader:
+    git: https://github.com/crystal-term/reader.git
+    version: 0.1.0+git.commit.cd022d4d4628e5d9de47e669a770ccb7df412863
+
+  term-screen:
+    git: https://github.com/crystal-term/screen.git
+    version: 0.1.0+git.commit.ea51ee8d1f6c286573c41a7e784d31c80af7b9bb
+

shard.yml

@@ -12,10 +12,15 @@ targets:
   docmachine:
     main: src/main.cr
 
-# dependencies:
-#   pg:
-#     github: will/crystal-pg
-#     version: "~> 0.5"
+dependencies:
+  term-prompt:
+    github: crystal-term/prompt
+
+# completion:
+#   github: f/completion
+# pg:
+#   github: will/crystal-pg
+#   version: "~> 0.5"
 
 # development_dependencies:
 #   webmock:

src/builder/cli.cr

@@ -3,7 +3,7 @@ require "./config"
 
 module DocMachine::Builder
   class Cli
-    def self.add_options(opts, args, parent_config, command)
+    def self.add_options(opts, args, parent_config, commands)
       config = Config.new(parent_config)
 
       opts.on("build", "Build content and produce deliverables") do
@@ -28,7 +28,7 @@ module DocMachine::Builder
           config.enable_tty = true
         end
 
-        command << ->() : Nil do
+        commands << ->() : Nil do
           app = DocMachine::Builder::Run.new(config)
           app.prepare
           app.start

src/cli.cr

@@ -42,10 +42,17 @@ module DocMachine
       end
 
       parser.parse(args)
+      puts commands
 
-      commands.each do |command|
-        puts "running #{command}"
-        command.call()
+      if commands.size > 0
+        commands.each do |command|
+          # puts "== Running #{command}"
+          command.call()
+        end
+      else
+        puts parser.to_s
+        STDOUT.puts ""
+        STDERR.puts "ERROR: no command defined"
       end
     end
   end

src/scaffolder/cli.cr

@@ -1,20 +1,29 @@
 require "./config"
+require "./run"
 
-module DocMachine
-  module Scaffolder
-    class Cli
-      def self.add_options(opts, args, parent_config, command)
-        config = Config.new(parent_config)
+module DocMachine::Scaffolder
+  class Cli
+    def self.add_options(opts, args, parent_config, commands)
+      config = Config.new(parent_config)
 
-        opts.on("scaffold", "Scaffold directory") do
-          opts.banner = "Usage: #{PROGRAM_NAME} scaffold [options]"
+      opts.on("scaffold", "Scaffold target directory") do
+        opts.banner = "Usage: #{PROGRAM_NAME} scaffold [options] TARGET"
+
+        opts.on("-f", "--force", "Don't ask for confirmation") do
+          config.force = true
         end
 
-        command << ->() : Nil do
-          # app = DocMachine::Scaffolder::Run.new(config)
-          # app.prepare
-          # app.start
-          # app.wait
+        commands << ->() : Nil do
+          if args.size < 1
+            STDERR.puts "ERROR: No target given!"
+            exit 1 
+          end
+          config.target_directory = args[0]
+
+          app = DocMachine::Scaffolder::Run.new(config)
+          app.prepare
+          app.start
+          app.wait
         end
       end
     end

src/scaffolder/config.cr

@@ -1,10 +1,11 @@
 
 
-module DocMachine
-  module Scaffolder
-    class Config
-      def initialize(@parent : DocMachine::Config)
-      end
+module DocMachine::Scaffolder
+  class Config
+    property target_directory : String = "."
+    property force : Bool = false
+
+    def initialize(@parent : DocMachine::Config)
     end
   end
 end

src/scaffolder/run.cr

@@ -0,0 +1,61 @@
+
+# Core
+require "file_utils"
+
+# Internal
+require "./config"
+
+# Shards
+require "term-prompt"
+
+module DocMachine::Scaffolder
+  class Run
+    private property config : DocMachine::Scaffolder::Config
+
+    def initialize(@config)
+    end
+
+    # Verify parameters
+    def prepare()
+      if ! File.directory? @config.target_directory
+        STDERR.puts "ERROR: target must be a directory"
+        exit 1
+      end
+
+      puts "Target directory: #{@config.target_directory}"
+
+      if !@config.force
+        prompt = Term::Prompt.new
+        confirm = prompt.no?("Are you sure you want to proceed?")
+        exit 1 if !confirm
+      end
+    end
+
+    def start()
+      puts "== Scaffolding #{@config.target_directory}"
+      p = Path.new(@config.target_directory)
+      cwd = Dir.current
+      ["docs", "slides", "images"].each do |dir|
+        p_sub = p.join(dir)
+        puts "-- creating #{p_sub}"
+        FileUtils.mkdir_p(p_sub)
+      end
+      ["docs", "slides"].each do |dir|
+        p_sub = p.join(dir)
+        FileUtils.cd(p_sub)
+        puts "-- creating link to images in #{p_sub}"
+        if File.symlink? "images"
+          FileUtils.rm "images"
+        end
+        FileUtils.ln_sf(Path.new("..","images"), Path.new("images"))
+        FileUtils.cd(cwd)
+      end
+      puts "-- creating README.md"
+      FileUtils.touch("README.md")
+    end
+
+    # Verify parameters
+    def wait()
+    end
+  end
+end