Implement $ git-open

git-open.gemspec

@@ -18,4 +18,8 @@ Gem::Specification.new do |spec|
   spec.bindir        = "exe"
   spec.executables   = ["git-open"]
   spec.require_paths = ["lib"]
+
+  spec.add_dependency "slop", "~> 4.0"
+  spec.add_dependency "git-remote-parser"
+  spec.add_dependency "launchy"
 end

lib/git/open.rb

@@ -2,6 +2,44 @@
 
 module Git
   module Open
-    # Your code goes here...
+    class CLI
+      def self.execute
+        require "slop"
+        options = Slop.parse do |option|
+          option.on "-h".freeze, "--help".freeze, "Show this help".freeze
+          option.on "-v".freeze, "--version".freeze, "print the version".freeze do
+            puts_and_exit "git-open version #{Git::Open::VERSION}"
+          end
+        end
+
+        show_help(options) if options[:h] || options[:help] || ARGV.include?("help".freeze)
+
+        abort("Not a git repo".freeze) if `git rev-parse --is-inside-work-tree`.chomp! != "true".freeze
+
+        remotes = `git remote`.split("\n".freeze)
+
+        abort("No remote found".freeze) if remotes.empty?
+
+        url = if remotes.find { |remote| remote == "origin".freeze }
+          `git config --get remote.origin.url`.chomp!
+        else
+          `git config --get remote.#{remotes.first}.url`.chomp!
+        end
+
+        require "git/remote/parser"; require "launchy"
+        Launchy.open(open_url = Git::Remote::Parser.new.parse(url).html_url) do |exception|
+          puts "Attempted to open `#{open_url.to_s}' and failed because #{exception}"
+        end
+      end
+
+      def self.show_help(options)
+        puts_and_exit(options)
+      end
+
+      def self.puts_and_exit(message)
+        puts(message)
+        exit
+      end
+    end
   end
 end

lib/git/open/version.rb

@@ -1,5 +1,5 @@
 module Git
   module Open
-    VERSION = "0.1.0"
+    VERSION = "1.0.0"
   end
 end

spec/git/open_spec.rb

@@ -1,7 +1,39 @@
 require "spec_helper"
 
-describe Git::Open do
+RSpec.describe Git::Open do
   it "has a version number" do
     expect(Git::Open::VERSION).not_to be nil
   end
 end
+
+RSpec.describe Git::Open::CLI do
+  it "works for origin" do
+    expect(Launchy).to receive(:open).with("https://github.com/JuanitoFatas/git-open")
+
+    Git::Open::CLI.execute
+  end
+
+  it "fallback if origin not found" do
+    `git remote remove origin`
+    `git remote add upstream https://github.com/EvilJuanitoFatas/git-open.git`
+
+    expect(Launchy).to receive(:open).with("https://github.com/EvilJuanitoFatas/git-open")
+
+    Git::Open::CLI.execute
+
+    `git remote add origin git@github.com:JuanitoFatas/git-open.git`
+    `git remote remove upstream`
+  end
+
+  context "something went wrong with the Git::Remote::Parser" do
+    it "prints exception" do
+      expect(Git::Remote::Parser).to receive_message_chain(:new, :parse, :html_url) { nil }
+      failure_message = <<~FAILURE_MESSAGE
+        Attempted to open `' and failed because Failure in opening uri nil with options {}: undefined method `to_hash' for nil:NilClass
+        Did you mean?  to_h
+      FAILURE_MESSAGE
+
+      expect { Git::Open::CLI.execute }.to output(failure_message).to_stdout
+    end
+  end
+end

spec/spec_helper.rb

@@ -1,2 +1,4 @@
 $LOAD_PATH.unshift File.expand_path("../../lib", __FILE__)
 require "git/open"
+require "launchy"
+require "git/remote/parser"