(mr, show) add mr show command

cmd/mr.go

@@ -7,13 +7,24 @@ import (
 // mrCmd represents the mr command
 var mrCmd = &cobra.Command{
 	Use:   "mr",
-	Short: "Work with merge requests",
-	Long:  ``,
+	Short: mrShowCmd.Short,
+	Long:  mrShowCmd.Long,
 	Run: func(cmd *cobra.Command, args []string) {
-		cmd.Help()
+		if list, _ := cmd.Flags().GetBool("list"); list {
+			listCmd.Run(cmd, args)
+			return
+		}
+
+		if len(args) == 0 || len(args) > 2 {
+			cmd.Help()
+			return
+		}
+
+		mrShowCmd.Run(cmd, args)
 	},
 }
 
 func init() {
+	mrCmd.Flags().BoolP("list", "l", false, "list MRs")
 	RootCmd.AddCommand(mrCmd)
 }

cmd/mrShow.go

@@ -0,0 +1,83 @@
+package cmd
+
+import (
+	"fmt"
+	"log"
+	"strconv"
+	"strings"
+
+	"github.com/spf13/cobra"
+	"github.com/xanzy/go-gitlab"
+	"github.com/zaquestion/lab/internal/git"
+	lab "github.com/zaquestion/lab/internal/gitlab"
+)
+
+var mrShowCmd = &cobra.Command{
+	Use:     "show [remote]",
+	Aliases: []string{"get", "s"},
+	Short:   "describe a merge request",
+	Long:    ``,
+	Run: func(cmd *cobra.Command, args []string) {
+		remote, mrNum, err := parseArgsRemote(args)
+		if err != nil {
+			log.Fatal(err)
+		}
+		if remote == "" {
+			remote = forkedFromRemote
+		}
+		rn, err := git.PathWithNameSpace(remote)
+		if err != nil {
+			log.Fatal(err)
+		}
+
+		mr, err := lab.GetMR(rn, int(mrNum))
+		if err != nil {
+			log.Fatal(err)
+		}
+
+		printMR(mr, rn)
+	},
+}
+
+func printMR(mr *gitlab.MergeRequest, project string) {
+	assignee := "None"
+	milestone := "None"
+	labels := "None"
+	state := map[string]string{
+		"opened": "Open",
+		"closed": "Closed",
+		"merged": "Merged",
+	}[mr.State]
+	if mr.Assignee.Username != "" {
+		assignee = mr.Assignee.Username
+	}
+	if mr.Milestone != nil {
+		milestone = mr.Milestone.Title
+	}
+	if len(mr.Labels) > 0 {
+		labels = strings.Join(mr.Labels, ", ")
+	}
+
+	fmt.Printf(`
+#%d %s
+===================================
+%s
+-----------------------------------
+Project: %s
+Branches: %s->%s
+Status: %s
+Work in Progress: %s
+Assignee: %s
+Author: %s
+Milestone: %s
+Labels: %s
+WebURL: %s
+`,
+		mr.IID, mr.Title, mr.Description, project, mr.SourceBranch,
+		mr.TargetBranch, state, strconv.FormatBool(mr.WorkInProgress), assignee,
+		mr.Author.Username, milestone, labels, mr.WebURL)
+}
+
+func init() {
+	mrCmd.AddCommand(mrShowCmd)
+}

cmd/mrShow_test.go

@@ -0,0 +1,36 @@
+package cmd
+
+import (
+	"os/exec"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func Test_mrShow(t *testing.T) {
+	repo := copyTestRepo(t)
+	cmd := exec.Command("../lab_bin", "mr", "4")
+	cmd.Dir = repo
+
+	b, err := cmd.CombinedOutput()
+	if err != nil {
+		t.Log(string(b))
+		t.Error(err)
+	}
+
+	require.Contains(t, string(b), `
+#4 merged merge request
+===================================
+
+-----------------------------------
+Project: zaquestion/test
+Branches: merged->master
+Status: Merged
+Work in Progress: false
+Assignee: None
+Author: zaquestion
+Milestone: None
+Labels: None
+WebURL: https://gitlab.com/zaquestion/test/merge_requests/4
+`)
+}