Single commit and diff of a commit

lib/gitlab/client/repositories.rb

@@ -32,5 +32,33 @@ def commits(project, options={})
       get("/projects/#{project}/repository/commits", :query => options)
     end
     alias_method :repo_commits, :commits
+
+    # Gets a specific commit identified by the commit hash or name of a branch or tag.
+    #
+    # @example
+    #   Gitlab.commit(42, '6104942438c14ec7bd21c6cd5bd995272b3faff6')
+    #   Gitlab.repo_commit(3, 'ed899a2f4b50b4370feeea94676502b42383c746')
+    #
+    # @param  [Integer] project The ID of a project.
+    # @param  [String] sha The commit hash or name of a repository branch or tag
+    # @return [Gitlab::ObjectifiedHash]
+    def commit(project, sha)
+      get("/projects/#{project}/repository/commits/#{sha}")
+    end
+    alias_method :repo_commit, :commit
+
+    # Get the diff of a commit in a project.
+    #
+    # @example
+    #   Gitlab.commit_diff(42, '6104942438c14ec7bd21c6cd5bd995272b3faff6')
+    #   Gitlab.repo_commit_diff(3, 'ed899a2f4b50b4370feeea94676502b42383c746')
+    #
+    # @param  [Integer] project The ID of a project.
+    # @param  [String] sha The name of a repository branch or tag or if not given the default branch.
+    # @return [Gitlab::ObjectifiedHash]
+    def commit_diff(project, sha)
+      get("/projects/#{project}/repository/commits/#{sha}/diff") 
+    end
+    alias_method :repo_commit_diff, :commit_diff
   end
 end

spec/fixtures/project_commit.json

@@ -0,0 +1,13 @@
+{
+    "id": "6104942438c14ec7bd21c6cd5bd995272b3faff6",
+    "short_id": "6104942438c",
+    "title": "Sanitize for network graph",
+    "author_name": "randx",
+    "author_email": "dmitriy.zaporozhets@gmail.com",
+    "created_at": "2012-09-20T09:06:12+03:00",
+    "committed_date": "2012-09-20T09:06:12+03:00",
+    "authored_date": "2012-09-20T09:06:12+03:00",
+    "parent_ids": [
+        "ae1d9fb46aa2b07ee9836d49862ec4e2c46fbbba"
+    ]
+}

spec/fixtures/project_commit_diff.json

@@ -0,0 +1,10 @@
+{
+    "diff": "--- a/doc/update/5.4-to-6.0.md\n+++ b/doc/update/5.4-to-6.0.md\n@@ -71,6 +71,8 @@\n sudo -u git -H bundle exec rake migrate_keys RAILS_ENV=production\n sudo -u git -H bundle exec rake migrate_inline_notes RAILS_ENV=production\n \n+sudo -u git -H bundle exec rake assets:precompile RAILS_ENV=production\n+\n ```\n \n ### 6. Update config files",
+    "new_path": "doc/update/5.4-to-6.0.md",
+    "old_path": "doc/update/5.4-to-6.0.md",
+    "a_mode": null,
+    "b_mode": "100644",
+    "new_file": false,
+    "renamed_file": false,
+    "deleted_file": false
+}

spec/gitlab/client/repositories_spec.rb

@@ -5,6 +5,8 @@
   it { should respond_to :repo_branches }
   it { should respond_to :repo_branch }
   it { should respond_to :repo_commits }
+  it { should respond_to :repo_commit }
+  it { should respond_to :repo_commit_diff }
 
   describe ".tags" do
     before do
@@ -39,4 +41,36 @@
       @commits.first.id.should == "f7dd067490fe57505f7226c3b54d3127d2f7fd46"
     end
   end
+
+  describe ".commit" do
+    before do
+      stub_get("/projects/3/repository/commits/6104942438c14ec7bd21c6cd5bd995272b3faff6", "project_commit")
+      @commit = Gitlab.commit(3, '6104942438c14ec7bd21c6cd5bd995272b3faff6')
+    end
+
+    it "should get the correct resource" do
+      a_get("/projects/3/repository/commits/6104942438c14ec7bd21c6cd5bd995272b3faff6")
+        .should have_been_made
+    end
+
+    it "should return a repository commit" do
+      @commit.id.should == "6104942438c14ec7bd21c6cd5bd995272b3faff6"
+    end
+  end
+
+  describe ".commit_diff" do
+    before do
+      stub_get("/projects/3/repository/commits/6104942438c14ec7bd21c6cd5bd995272b3faff6/diff", "project_commit_diff")
+      @diff = Gitlab.commit_diff(3, '6104942438c14ec7bd21c6cd5bd995272b3faff6')
+    end
+
+    it "should get the correct resource" do
+      a_get("/projects/3/repository/commits/6104942438c14ec7bd21c6cd5bd995272b3faff6/diff")
+        .should have_been_made
+    end
+
+    it "should return a diff of a commit" do
+      @diff.new_path.should == "doc/update/5.4-to-6.0.md"
+    end
+  end
 end