feat(mr): add support to rebase merge request

commands/mr_rebase.go

@@ -0,0 +1,64 @@
+package commands
+
+import (
+	"fmt"
+	"log"
+	"strings"
+
+	"github.com/spf13/cobra"
+	"github.com/xanzy/go-gitlab"
+	"glab/internal/git"
+	"glab/internal/manip"
+)
+
+var mrRebaseCmd = &cobra.Command{
+	Use:     "rebase <id> [flags]",
+	Short:   `Automatically rebase the source_branch of the merge request against its target_branch.`,
+	Long:    `If you don’t have permissions to push to the merge request’s source branch - you’ll get a 403 Forbidden response.`,
+	Aliases: []string{"accept"},
+	Args:    cobra.ExactArgs(1),
+	Run:     acceptRebaseRequest,
+}
+
+func acceptRebaseRequest(cmd *cobra.Command, args []string) {
+	mergeID := strings.Trim(args[0], " ")
+	gitlabClient, repo := git.InitGitlabClient()
+	if r, _ := cmd.Flags().GetString("repo"); r != "" {
+		repo = r
+	}
+	fmt.Println("Sending request...")
+	_, err := gitlabClient.MergeRequests.RebaseMergeRequest(repo, manip.StringToInt(mergeID))
+	if err != nil {
+		er(err)
+		return
+	}
+
+	opts := &gitlab.GetMergeRequestsOptions{}
+	opts.IncludeRebaseInProgress = gitlab.Bool(true)
+	fmt.Println("Checking rebase status...")
+	i := 0
+	for  {
+		mr, _, err := gitlabClient.MergeRequests.GetMergeRequest(repo, manip.StringToInt(mergeID), opts)
+		if err != nil {
+			log.Fatal(err)
+		}
+		if mr.RebaseInProgress {
+			if i == 0 {
+				fmt.Println("Rebase in progress...")
+			}
+		} else {
+			if mr.MergeError != "" && mr.MergeError != "null" {
+				fmt.Println(mr.MergeError)
+				break
+			}
+			fmt.Println("Rebase successful")
+			break
+		}
+		i++
+	}
+
+}
+
+func init() {
+	mrCmd.AddCommand(mrRebaseCmd)
+}