Allow to set pull request milestone and labels.

Add the `-M/--milestone` and `-l/--labels` flags to `hub pull-request` to
set the milestone or tags when a pull request is created.

Signed-off-by: David Calavera <david.calavera@gmail.com>

commands/pull_request.go

@@ -41,9 +41,11 @@ var (
 	flagPullRequestIssue,
 	flagPullRequestMessage,
 	flagPullRequestAssignee,
+	flagPullRequestLabels,
 	flagPullRequestFile string
 	flagPullRequestBrowse,
 	flagPullRequestForce bool
+	flagPullRequestMilestone uint64
 )
 
 func init() {
@@ -55,6 +57,8 @@ func init() {
 	cmdPullRequest.Flag.BoolVarP(&flagPullRequestForce, "force", "f", false, "FORCE")
 	cmdPullRequest.Flag.StringVarP(&flagPullRequestFile, "file", "F", "", "FILE")
 	cmdPullRequest.Flag.StringVarP(&flagPullRequestAssignee, "assign", "a", "", "USER")
+	cmdPullRequest.Flag.Uint64VarP(&flagPullRequestMilestone, "milestone", "M", 0, "MILESTONE")
+	cmdPullRequest.Flag.StringVarP(&flagPullRequestLabels, "labels", "l", "", "LABELS")
 
 	CmdRunner.Use(cmdPullRequest)
 }
@@ -215,8 +219,16 @@ func pullRequest(cmd *Command, args *Args) {
 
 		pullRequestURL = pr.HTMLURL
 
-		if flagPullRequestAssignee != "" {
+		if flagPullRequestAssignee != "" || flagPullRequestMilestone > 0 ||
-			err = client.UpdateIssueAssignee(baseProject, pr.Number, flagPullRequestAssignee)
+			flagPullRequestLabels != "" {
+
+			params := octokit.IssueParams{
+				Assignee:  flagPullRequestAssignee,
+				Milestone: flagPullRequestMilestone,
+				Labels:    strings.Split(flagPullRequestLabels, ","),
+			}
+
+			err = client.UpdateIssue(baseProject, pr.Number, params)
 			utils.Check(err)
 		}
 	}

features/pull_request.feature

@@ -611,3 +611,35 @@ Feature: hub pull-request
       """
     When I successfully run `hub pull-request -m hereyougo -a mislav`
     Then the output should contain exactly "the://url\n"
+
+  Scenario: Pull request with milestone
+    Given I am on the "feature" branch with upstream "origin/feature"
+    Given the GitHub API server:
+      """
+      post('/repos/mislav/coral/pulls') {
+        assert :head  => "mislav:feature"
+        json :html_url => "the://url", :number => 1234
+      }
+      patch('/repos/mislav/coral/issues/1234') {
+        assert :milestone => 1234
+        json :html_url => "the://url"
+      }
+      """
+    When I successfully run `hub pull-request -m hereyougo -M 1234`
+    Then the output should contain exactly "the://url\n"
+
+  Scenario: Pull request with labels
+    Given I am on the "feature" branch with upstream "origin/feature"
+    Given the GitHub API server:
+      """
+      post('/repos/mislav/coral/pulls') {
+        assert :head  => "mislav:feature"
+        json :html_url => "the://url", :number => 1234
+      }
+      patch('/repos/mislav/coral/issues/1234') {
+        assert :labels => ["feature", "release"]
+        json :html_url => "the://url"
+      }
+      """
+    When I successfully run `hub pull-request -m hereyougo -l feature,release`
+    Then the output should contain exactly "the://url\n"

github/client.go

@@ -428,7 +428,7 @@ func (client *Client) CreateIssue(project *Project, title, body string, labels [
 	return
 }
 
-func (client *Client) UpdateIssueAssignee(project *Project, issueNumber int, assignee string) (err error) {
+func (client *Client) UpdateIssue(project *Project, issueNumber int, params octokit.IssueParams) (err error) {
 	url, err := octokit.RepoIssuesURL.Expand(octokit.M{"owner": project.Owner, "repo": project.Name, "number": issueNumber})
 	if err != nil {
 		return
@@ -440,9 +440,6 @@ func (client *Client) UpdateIssueAssignee(project *Project, issueNumber int, ass
 		return
 	}
 
-	params := octokit.IssueParams{
-		Assignee: assignee,
-	}
 	_, result := api.Issues(client.requestURL(url)).Update(params)
 	if result.HasError() {
 		err = FormatError("updating issue", result.Err)