0.11.0

Gemfile

@@ -13,5 +13,6 @@ group :test do
   gem 'rspec',  '~> 2.0.0'
 end
 
+gem 'json',           '~> 1.5.1'
 gem 'term-ansicolor', '~> 1.0.5'
 gem 'thor',           '~> 0.13.6'

Gemfile.lock

@@ -4,6 +4,7 @@ GEM
     diff-lcs (1.1.2)
     fakefs (0.2.1)
     hpricot (0.8.2)
+    json (1.5.1)
     mime-types (1.16)
     mustache (0.11.2)
     parka (0.3.1)
@@ -19,14 +20,16 @@ GEM
       mustache (>= 0.7.0)
       rdiscount (>= 1.5.8)
     rr (1.0.2)
-    rspec (2.0.0.beta.19)
-      rspec-core (= 2.0.0.beta.19)
-      rspec-expectations (= 2.0.0.beta.19)
-      rspec-mocks (= 2.0.0.beta.19)
-    rspec-core (2.0.0.beta.19)
-    rspec-expectations (2.0.0.beta.19)
+    rspec (2.0.1)
+      rspec-core (~> 2.0.1)
+      rspec-expectations (~> 2.0.1)
+      rspec-mocks (~> 2.0.1)
+    rspec-core (2.0.1)
+    rspec-expectations (2.0.1)
       diff-lcs (>= 1.1.2)
-    rspec-mocks (2.0.0.beta.19)
+    rspec-mocks (2.0.1)
+      rspec-core (~> 2.0.1)
+      rspec-expectations (~> 2.0.1)
     term-ansicolor (1.0.5)
     thor (0.13.8)
 
@@ -35,6 +38,7 @@ PLATFORMS
 
 DEPENDENCIES
   fakefs (~> 0.2.1)
+  json (~> 1.5.1)
   parka
   rake
   rcov (~> 0.9.8)

Rakefile

@@ -25,7 +25,7 @@ end
 Rspec::Core::RakeTask.new("rcov:build") do |t|
   t.pattern = 'spec/**/*_spec.rb'
   t.rcov = true
-  t.rcov_opts = [ "--exclude", Gem.default_dir , "--exclude", "spec" ]
+  t.rcov_opts = [ "--exclude", ".bundle", "--exclude", "spec" ]
 end
 
 desc 'Build the manual'

data/example/Procfile

@@ -1,2 +1,2 @@
-ticker ./ticker $PORT
-error  ./error
+ticker: ./ticker $PORT
+error : ./error

data/example/Procfile.without_colon

@@ -0,0 +1,2 @@
+ticker ./ticker $PORT
+error  ./error

lib/foreman.rb

@@ -1,6 +1,6 @@
 module Foreman
 
-  VERSION = "0.10.1"
+  VERSION = "0.11.0"
 
   class AppDoesNotExist < Exception; end
 

lib/foreman/cli.rb

@@ -36,8 +36,9 @@ class Foreman::CLI < Thor
     check_procfile!
 
     formatter = case format
-      when "upstart" then Foreman::Export::Upstart
+      when "json"    then Foreman::Export::JSON
       when "inittab" then Foreman::Export::Inittab
+      when "upstart" then Foreman::Export::Upstart
       else error "Unknown export format: #{format}."
     end
 
@@ -47,6 +48,14 @@ class Foreman::CLI < Thor
     error ex.message
   end
 
+  desc "check", "Validate your application's Procfile"
+
+  def check
+    processes = engine.processes_in_order.map { |p| p.first }
+    error "no processes defined" unless processes.length > 0
+    display "valid procfile detected (#{processes.join(', ')})"
+  end
+
 private ######################################################################
 
   def check_procfile!
@@ -63,6 +72,10 @@ private ######################################################################
 
 private ######################################################################
 
+  def display(message)
+    puts message
+  end
+
   def error(message)
     puts "ERROR: #{message}"
     exit 1

lib/foreman/engine.rb

@@ -25,7 +25,11 @@ class Foreman::Engine
       @order = []
       procfile.split("\n").inject({}) do |hash, line|
         next if line.strip == ""
-        name, command = line.split(/:? +/, 2)
+        name, command = line.split(/ *: +/, 2)
+        unless command
+          warn_deprecated_procfile!
+          name, command = line.split(/ +/, 2)
+        end
         process = Foreman::Process.new(name, command)
         process.color = next_color
         @order << process.name
@@ -178,4 +182,12 @@ private ######################################################################
     @current_color >= COLORS.length ? "" : COLORS[@current_color]
   end
 
+  def warn_deprecated_procfile!
+    return if @already_warned_deprecated
+    @already_warned_deprecated = true
+    puts "!!! This format of Procfile is deprecated, and will not work starting in v0.12"
+    puts "!!! Use a colon to separate the process name from the command"
+    puts "!!! e.g.   web: thin start"
+  end
+
 end

lib/foreman/export.rb

@@ -4,5 +4,6 @@ module Foreman::Export
   class Exception < ::Exception; end
 end
 
-require "foreman/export/upstart"
+require "foreman/export/json"
 require "foreman/export/inittab"
+require "foreman/export/upstart"

lib/foreman/export/json.rb

@@ -0,0 +1,13 @@
+require "foreman/export/base"
+require "json"
+
+class Foreman::Export::JSON < Foreman::Export::Base
+
+  def export(fname=nil, options={})
+    processes = engine.processes.values.inject({}) do |hash, process|
+      hash.update(process.name => { "command" => process.command })
+    end
+    puts processes.to_json
+  end
+
+end

man/foreman.1.ronn

@@ -75,10 +75,18 @@ These options control all modes of foreman's operation.
 
 foreman currently supports the following output formats:
 
+  * json
+
   * inittab
 
   * upstart
 
+## JSON EXPORT
+
+Will export your processes as JSON:
+
+    { "web": { "command": "bundle exec thin start" } }
+
 ## INITTAB EXPORT
 
 Will export a chunk of inittab-compatible configuration:
@@ -107,6 +115,10 @@ to run it.
     web: bundle exec thin start
     job: bundle exec rake jobs:work
 
+You can validate your Procfile format using the `check` command
+
+    $ foreman check
+
 ## EXAMPLES
 
 Start one instance of each process type, interleave the output on stdout:

spec/foreman/cli_spec.rb

@@ -58,4 +58,27 @@ describe "Foreman::CLI" do
     end
   end
 
+  describe "check" do
+    describe "with a valid Procfile" do
+      before { write_procfile }
+
+      it "displays the jobs" do
+        mock(subject).display("valid procfile detected (alpha, bravo)")
+        subject.check
+      end
+    end
+
+    describe "with a blank Procfile" do
+      before do
+        FileUtils.touch("Procfile")
+      end
+
+      it "displays an error" do
+        mock_error(subject, "no processes defined") do
+          subject.check
+        end
+      end
+    end
+  end
+
 end

spec/foreman/engine_spec.rb

@@ -12,12 +12,26 @@ describe "Foreman::Engine" do
     end
 
     describe "with a Procfile" do
+      before { write_procfile }
+
       it "reads the processes" do
-        write_procfile
         subject.processes["alpha"].command.should == "./alpha"
         subject.processes["bravo"].command.should == "./bravo"
       end
     end
+
+    describe "with a deprecated Procfile" do
+      before do
+        File.open("Procfile", "w") do |file|
+          file.puts "name command"
+        end
+      end
+
+      it "should print a deprecation warning" do
+        mock(subject).warn_deprecated_procfile!
+        subject.processes.length.should == 1
+      end
+    end
   end
 
   describe "start" do

spec/spec_helper.rb

@@ -26,7 +26,7 @@ end
 
 def write_procfile(procfile="Procfile")
   File.open(procfile, "w") do |file|
-    file.puts "alpha ./alpha"
+    file.puts "alpha: ./alpha"
     file.puts "bravo: ./bravo"
   end
 end