Implement issue reopen

command/issue.go

@@ -41,6 +41,7 @@ func init() {
 	issueViewCmd.Flags().BoolP("web", "w", false, "Open an issue in the browser")
 
 	issueCmd.AddCommand(issueCloseCmd)
+	issueCmd.AddCommand(issueReopenCmd)
 }
 
 var issueCmd = &cobra.Command{
@@ -82,11 +83,17 @@ With '--web', open the issue in a web browser instead.`,
 	RunE: issueView,
 }
 var issueCloseCmd = &cobra.Command{
-	Use:   "close <number>",
-	Short: "close and issue issues",
+	Use:   "close <numberOrURL>",
+	Short: "close issue",
 	Args:  cobra.ExactArgs(1),
 	RunE:  issueClose,
 }
+var issueReopenCmd = &cobra.Command{
+	Use:   "reopen <numberOrURL>",
+	Short: "reopen issue",
+	Args:  cobra.ExactArgs(1),
+	RunE:  issueReopen,
+}
 
 func issueList(cmd *cobra.Command, args []string) error {
 	ctx := contextForCommand(cmd)
@@ -559,7 +566,41 @@ func issueClose(cmd *cobra.Command, args []string) error {
 	fmt.Fprintf(colorableErr(cmd), "%s Closed issue #%d\n", utils.Red("✔"), issue.Number)
 
 	return nil
+}
 
+func issueReopen(cmd *cobra.Command, args []string) error {
+	ctx := contextForCommand(cmd)
+	apiClient, err := apiClientForContext(ctx)
+	if err != nil {
+		return err
+	}
+
+	baseRepo, err := determineBaseRepo(cmd, ctx)
+	if err != nil {
+		return err
+	}
+
+	issue, err := issueFromArg(apiClient, baseRepo, args[0])
+	var idErr *api.IssuesDisabledError
+	if errors.As(err, &idErr) {
+		return fmt.Errorf("issues disabled for %s", ghrepo.FullName(baseRepo))
+	} else if err != nil {
+		return fmt.Errorf("failed to find issue #%d: %w", issue.Number, err)
+	}
+
+	if !issue.Closed {
+		fmt.Fprintf(colorableErr(cmd), "%s Issue #%d was already open\n", utils.Yellow("!"), issue.Number)
+		return nil
+	}
+
+	err = api.IssueClose(apiClient, baseRepo, *issue)
+	if err != nil {
+		return fmt.Errorf("API call failed:%w", err)
+	}
+
+	fmt.Fprintf(colorableErr(cmd), "%s Reopened issue #%d\n", utils.Red("✔"), issue.Number)
+
+	return nil
 }
 
 func displayURL(urlStr string) string {