Add BowerInstall post-{commit,checkout,merge,rewrite} hooks

config/default.yml

@@ -532,6 +532,15 @@ PostCheckout:
     required: false
     quiet: false
 
+  BowerInstall:
+    enabled: false
+    description: 'Installing bower dependencies'
+    requires_files: true
+    required_executable: 'bower'
+    install_command: 'npm install -g bower'
+    flags: ['install']
+    include: 'bower.json'
+
   IndexTags:
     enabled: false
     description: 'Generating tags file from source'
@@ -561,6 +570,15 @@ PostCommit:
     required: false
     quiet: false
 
+  BowerInstall:
+    enabled: false
+    description: 'Installing bower dependencies'
+    requires_files: true
+    required_executable: 'bower'
+    install_command: 'npm install -g bower'
+    flags: ['install']
+    include: 'bower.json'
+
   GitGuilt:
     enabled: false
     description: 'Calculating changes in blame since last commit'
@@ -597,6 +615,15 @@ PostMerge:
     requires_files: false
     quiet: false
 
+  BowerInstall:
+    enabled: false
+    description: 'Installing bower dependencies'
+    requires_files: true
+    required_executable: 'bower'
+    install_command: 'npm install -g bower'
+    flags: ['install']
+    include: 'bower.json'
+
   IndexTags:
     enabled: false
     description: 'Generating tags file from source'
@@ -625,6 +652,15 @@ PostRewrite:
     requires_files: false
     quiet: false
 
+  BowerInstall:
+    enabled: false
+    description: 'Installing bower dependencies'
+    requires_files: true
+    required_executable: 'bower'
+    install_command: 'npm install -g bower'
+    flags: ['install']
+    include: 'bower.json'
+
   IndexTags:
     enabled: false
     description: 'Generating tags file from source'

lib/overcommit/hook/post_checkout/bower_install.rb

@@ -0,0 +1,11 @@
+require 'overcommit/hook/shared/bower_install'
+
+module Overcommit::Hook::PostCheckout
+  # Runs `bower install` when a change is detected in the repository's
+  # dependencies.
+  #
+  # @see {Overcommit::Hook::Shared::BowerInstall}
+  class BowerInstall < Base
+    include Overcommit::Hook::Shared::BowerInstall
+  end
+end

lib/overcommit/hook/post_commit/bower_install.rb

@@ -0,0 +1,11 @@
+require 'overcommit/hook/shared/bower_install'
+
+module Overcommit::Hook::PostCommit
+  # Runs `bower install` when a change is detected in the repository's
+  # dependencies.
+  #
+  # @see {Overcommit::Hook::Shared::BowerInstall}
+  class BowerInstall < Base
+    include Overcommit::Hook::Shared::BowerInstall
+  end
+end

lib/overcommit/hook/post_merge/bower_install.rb

@@ -0,0 +1,11 @@
+require 'overcommit/hook/shared/bower_install'
+
+module Overcommit::Hook::PostMerge
+  # Runs `bower install` when a change is detected in the repository's
+  # dependencies.
+  #
+  # @see {Overcommit::Hook::Shared::BowerInstall}
+  class BowerInstall < Base
+    include Overcommit::Hook::Shared::BowerInstall
+  end
+end

lib/overcommit/hook/post_rewrite/bower_install.rb

@@ -0,0 +1,11 @@
+require 'overcommit/hook/shared/bower_install'
+
+module Overcommit::Hook::PostRewrite
+  # Runs `bower install` when a change is detected in the repository's
+  # dependencies.
+  #
+  # @see {Overcommit::Hook::Shared::BowerInstall}
+  class BowerInstall < Base
+    include Overcommit::Hook::Shared::BowerInstall
+  end
+end

lib/overcommit/hook/shared/bower_install.rb

@@ -0,0 +1,13 @@
+module Overcommit::Hook::Shared
+  # Shared code used by all BowerInstall hooks. Runs `bower install` when a
+  # change is detected in the repository's dependencies.
+  #
+  # @see http://bower.io/
+  module BowerInstall
+    def run
+      result = execute(command)
+      return :fail, result.stderr unless result.success?
+      :pass
+    end
+  end
+end

spec/overcommit/hook/post_checkout/bower_install_spec.rb

@@ -0,0 +1,31 @@
+require 'spec_helper'
+
+describe Overcommit::Hook::PostCheckout::BowerInstall do
+  let(:config)  { Overcommit::ConfigurationLoader.default_configuration }
+  let(:context) { double('context') }
+  subject { described_class.new(config, context) }
+
+  let(:result) { double('result') }
+
+  before do
+    subject.stub(:execute).and_return(result)
+  end
+
+  context 'when bower install exits successfully' do
+    before do
+      result.stub(:success?).and_return(true)
+    end
+
+    it { should pass }
+  end
+
+  context 'when bower install exits unsuccessfully' do
+    before do
+      result.stub(success?: false, stderr: normalize_indent(<<-OUT))
+        bower EMALFORMED Failed to read bower.json
+      OUT
+    end
+
+    it { should fail_hook }
+  end
+end

spec/overcommit/hook/post_commit/bower_install_spec.rb

@@ -0,0 +1,31 @@
+require 'spec_helper'
+
+describe Overcommit::Hook::PostCommit::BowerInstall do
+  let(:config)  { Overcommit::ConfigurationLoader.default_configuration }
+  let(:context) { double('context') }
+  subject { described_class.new(config, context) }
+
+  let(:result) { double('result') }
+
+  before do
+    subject.stub(:execute).and_return(result)
+  end
+
+  context 'when bower install exits successfully' do
+    before do
+      result.stub(:success?).and_return(true)
+    end
+
+    it { should pass }
+  end
+
+  context 'when bower install exits unsuccessfully' do
+    before do
+      result.stub(success?: false, stderr: normalize_indent(<<-OUT))
+        bower EMALFORMED Failed to read bower.json
+      OUT
+    end
+
+    it { should fail_hook }
+  end
+end

spec/overcommit/hook/post_merge/bower_install_spec.rb

@@ -0,0 +1,31 @@
+require 'spec_helper'
+
+describe Overcommit::Hook::PostMerge::BowerInstall do
+  let(:config)  { Overcommit::ConfigurationLoader.default_configuration }
+  let(:context) { double('context') }
+  subject { described_class.new(config, context) }
+
+  let(:result) { double('result') }
+
+  before do
+    subject.stub(:execute).and_return(result)
+  end
+
+  context 'when bower install exits successfully' do
+    before do
+      result.stub(:success?).and_return(true)
+    end
+
+    it { should pass }
+  end
+
+  context 'when bower install exits unsuccessfully' do
+    before do
+      result.stub(success?: false, stderr: normalize_indent(<<-OUT))
+        bower EMALFORMED Failed to read bower.json
+      OUT
+    end
+
+    it { should fail_hook }
+  end
+end

spec/overcommit/hook/post_rewrite/bower_install_spec.rb

@@ -0,0 +1,31 @@
+require 'spec_helper'
+
+describe Overcommit::Hook::PostRewrite::BowerInstall do
+  let(:config)  { Overcommit::ConfigurationLoader.default_configuration }
+  let(:context) { double('context') }
+  subject { described_class.new(config, context) }
+
+  let(:result) { double('result') }
+
+  before do
+    subject.stub(:execute).and_return(result)
+  end
+
+  context 'when bower install exits successfully' do
+    before do
+      result.stub(:success?).and_return(true)
+    end
+
+    it { should pass }
+  end
+
+  context 'when bower install exits unsuccessfully' do
+    before do
+      result.stub(success?: false, stderr: normalize_indent(<<-OUT))
+        bower EMALFORMED Failed to read bower.json
+      OUT
+    end
+
+    it { should fail_hook }
+  end
+end