Merge pull request #10 from Aigeruth/feature/go_cmd

Add "changable 'go' binary name" feature

README.md

@@ -9,7 +9,7 @@ Guard Go runs go programs and restart when file changes
 You must have a working Ruby installation, then:
 
     $ gem install bundler
-    $ cd /your/project/dir 
+    $ cd /your/project/dir
     $ bundle init
 
 ### For gophers and Rubysts
@@ -32,7 +32,7 @@ Read Guard usage https://github.com/guard/guard#usage
 
     $ bundle exec guard init go
 
-This will create your Guardfile. 
+This will create your Guardfile.
 
 Edit this and configure your application file name and desired options.
 
@@ -42,5 +42,6 @@ Options defaults to:
     :test        => false    # To run go test instead of the app.
     :build_only  => false    # To build instead of run.
     :args        => []       # Parameters, e.g. :args => 420, :args => [420, 120], :args => ["one", "two"]
+    :cmd         => 'go'     # Name of the Go commandline tool
 
     $ bundle exec guard

lib/guard/go.rb

@@ -4,18 +4,19 @@
 require 'guard/go/runner'
 
 module Guard
-  class Go < ::Guard::Guard 
+  class Go < ::Guard::Guard
     attr_reader :options
-    
+
     def initialize(watchers = [], options = {})
       super
 
       defaults = {
-        :server => 'app.go',
-        :test => false,
-        :args => []
+        server: 'app.go',
+        test: false,
+        args: [],
+        cmd: 'go'
       }
-      
+
       @options = defaults.merge(options)
       @options[:args] = wrap_args(@options[:args])
       @options[:args_to_s] = @options[:args].join(" ")
@@ -51,7 +52,7 @@ def start_info
     def run_info(pid)
       return if @options[:test]
       if pid
-        UI.info "Started Go app, pid #{pid}"  
+        UI.info "Started Go app, pid #{pid}"
       else
         UI.info "Go command failed, check your log files."
       end

lib/guard/go/runner.rb

@@ -43,12 +43,12 @@ def sleep_time
     private
     def run_go_command!
       if @options[:test]
-        @proc = ChildProcess.build("go", "test")
+        @proc = ChildProcess.build(@options[:cmd], "test")
       else
         if @options[:build_only]
-          @proc = ChildProcess.build("go", "build")
+          @proc = ChildProcess.build(@options[:cmd], "build")
         else
-          @proc = ChildProcess.build("go", "run", @options[:server], @options[:args_to_s])
+          @proc = ChildProcess.build(@options[:cmd], "run", @options[:server], @options[:args_to_s])
         end
       end