Merge branch 'elj/label-list' of https://github.com/eljobe/hub into implement-label-list-color

commands/issue.go

@@ -19,6 +19,7 @@ var (
 		Usage: `
 issue [-a <ASSIGNEE>] [-c <CREATOR>] [-@ <USER>] [-s <STATE>] [-f <FORMAT>] [-M <MILESTONE>] [-l <LABELS>] [-d <DATE>] [-o <SORT_KEY> [-^]] [-L <LIMIT>]
 issue create [-oc] [-m <MESSAGE>|-F <FILE>] [-a <USERS>] [-M <MILESTONE>] [-l <LABELS>]
+issue label
 `,
 		Long: `Manage GitHub issues for the current project.
 
@@ -29,6 +30,9 @@ With no arguments, show a list of open issues.
 	* _create_:
 		Open an issue in the current project.
 
+    * _label_:
+        List the labels available in this repository.
+
 ## Options:
 	-a, --assignee <ASSIGNEE>
 		Display only issues assigned to <ASSIGNEE>.
@@ -196,6 +200,7 @@ func init() {
 	cmdIssue.Flag.IntVarP(&flagIssueLimit, "limit", "L", -1, "LIMIT")
 
 	cmdIssue.Use(cmdCreateIssue)
+    cmdIssue.Use(cmdLabel)
 	CmdRunner.Use(cmdIssue)
 }
 

commands/label.go

+package commands
+
+import (
+	"github.com/github/hub/github"
+	"github.com/github/hub/ui"
+	"github.com/github/hub/utils"
+)
+
+
+var (
+	cmdLabel = &Command{
+        Key: "label",
+		Run: listLabels,
+		Usage: "issue label",
+		Long: "List the labels available in this repository.",
+	}
+)
+
+func listLabels(cmd *Command, args *Args) {
+	localRepo, err := github.LocalRepo()
+	utils.Check(err)
+
+	project, err := localRepo.MainProject()
+	utils.Check(err)
+
+	gh := github.NewClient(project.Host)
+
+    if args.Noop {
+		ui.Printf("Would request list of labels for %s\n", project)
+	} else {
+		labels, err := gh.FetchLabels(project)
+		utils.Check(err)
+
+		for _, label := range labels {
+			ui.Printf(formatLabel(label))
+		}
+	}
+
+	args.NoForward()
+}
+
+func formatLabel(label github.IssueLabel) string {
+    format := "%l%n"
+
+	placeholders := map[string]string{
+		"l":  label.Name,
+	}
+
+	return ui.Expand(format, placeholders, false)
+}

features/label.feature

+Feature: hub label
+  Background:
+    Given I am in "git://github.com/github/hub.git" git repo
+    And I am "testeroni" on github.com with OAuth token "OTOKEN"
+
+  Scenario: Fetch issues
+    Given the GitHub API server:
+    """
+    get('/repos/github/hub/labels') {
+      json [
+        { :name => "bug",
+          :color => "ff0000",
+        },
+        { :name => "feature",
+          :color => "00ff00",
+        },
+      ]
+    }
+    """
+    When I successfully run `hub issue label`
+    Then the output should contain exactly:
+      """
+      bug
+      feature\n
+      """

github/client.go

@@ -561,6 +561,34 @@ func (client *Client) UpdateIssue(project *Project, issueNumber int, params map[
 	return
 }
 
+func (client *Client) FetchLabels(project *Project) (labels []IssueLabel, err error) {
+	api, err := client.simpleApi()
+	if err != nil {
+		return
+	}
+
+	path := fmt.Sprintf("repos/%s/%s/labels?per_page=100", project.Owner, project.Name)
+
+	labels = []IssueLabel{}
+	var res *simpleResponse
+
+	for path != "" {
+		res, err = api.Get(path)
+		if err = checkStatus(200, "fetching labels", res, err); err != nil {
+			return
+		}
+		path = res.Link("next")
+
+		labelsPage := []IssueLabel{}
+		if err = res.Unmarshal(&labelsPage); err != nil {
+			return
+		}
+		labels = append(labels, labelsPage...)
+	}
+
+	return
+}
+
 func (client *Client) CurrentUser() (user *User, err error) {
 	api, err := client.simpleApi()
 	if err != nil {