cli · probablycorey · Apr 30, 2020 · Apr 29, 2020 · Apr 29, 2020 · Apr 29, 2020
diff --git a/api/queries_issue.go b/api/queries_issue.go
@@ -390,3 +390,22 @@ func IssueClose(client *Client, repo ghrepo.Interface, issue Issue) error {
 
 	return nil
 }
+
+func IssueReopen(client *Client, repo ghrepo.Interface, issue Issue) error {
+	var mutation struct {
+		ReopenIssue struct {
+			Issue struct {
+				ID githubv4.ID
+			}
+		} `graphql:"reopenIssue(input: $input)"`
+	}
+
+	input := githubv4.ReopenIssueInput{
+		IssueID: issue.ID,
+	}
+
+	v4 := githubv4.NewClient(client.http)
+	err := v4.Mutate(context.Background(), &mutation, input, nil)
+
+	return err
+}
diff --git a/command/issue.go b/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 is already open\n", utils.Yellow("!"), issue.Number)
+		return nil
+	}
+
+	err = api.IssueReopen(apiClient, baseRepo, *issue)
+	if err != nil {
+		return fmt.Errorf("API call failed:%w", err)
+	}
+
+	fmt.Fprintf(colorableErr(cmd), "%s Reopened issue #%d\n", utils.Green("✔"), issue.Number)
+
+	return nil
 }
 
 func displayURL(urlStr string) string {

diff --git a/command/issue_test.go b/command/issue_test.go
@@ -753,3 +753,76 @@ func TestIssueClose_issuesDisabled(t *testing.T) {
 		t.Fatalf("got unexpected error: %s", err)
 	}
 }
+
+func TestIssueReopen(t *testing.T) {
+	initBlankContext("", "OWNER/REPO", "master")
+	http := initFakeHTTP()
+	http.StubRepoResponse("OWNER", "REPO")
+
+	http.StubResponse(200, bytes.NewBufferString(`
+	{ "data": { "repository": {
+		"hasIssuesEnabled": true,
+		"issue": { "number": 2, "closed": true}
+	} } }
+	`))
+
+	http.StubResponse(200, bytes.NewBufferString(`{"id": "THE-ID"}`))
+
+	output, err := RunCommand(issueReopenCmd, "issue reopen 2")
+	if err != nil {
+		t.Fatalf("error running command `issue reopen`: %v", err)
+	}
+
+	r := regexp.MustCompile(`Reopened issue #2`)
+
+	if !r.MatchString(output.Stderr()) {
+		t.Fatalf("output did not match regexp /%s/\n> output\n%q\n", r, output.Stderr())
+	}
+}
+
+func TestIssueReopen_alreadyOpen(t *testing.T) {
+	initBlankContext("", "OWNER/REPO", "master")
+	http := initFakeHTTP()
+	http.StubRepoResponse("OWNER", "REPO")
+
+	http.StubResponse(200, bytes.NewBufferString(`
+	{ "data": { "repository": {
+		"hasIssuesEnabled": true,
+		"issue": { "number": 2, "closed": false}
+	} } }
+	`))
+
+	http.StubResponse(200, bytes.NewBufferString(`{"id": "THE-ID"}`))
+
+	output, err := RunCommand(issueReopenCmd, "issue reopen 2")
+	if err != nil {
+		t.Fatalf("error running command `issue reopen`: %v", err)
+	}
+
+	r := regexp.MustCompile(`#2 is already open`)
+
+	if !r.MatchString(output.Stderr()) {
+		t.Fatalf("output did not match regexp /%s/\n> output\n%q\n", r, output.Stderr())
+	}
+}
+
+func TestIssueReopen_issuesDisabled(t *testing.T) {
+	initBlankContext("", "OWNER/REPO", "master")
+	http := initFakeHTTP()
+	http.StubRepoResponse("OWNER", "REPO")
+
+	http.StubResponse(200, bytes.NewBufferString(`
+	{ "data": { "repository": {
+		"hasIssuesEnabled": false
+	} } }
+	`))
+
+	_, err := RunCommand(issueReopenCmd, "issue reopen 2")
+	if err == nil {
+		t.Fatalf("expected error when issues are disabled")
+	}
+
+	if !strings.Contains(err.Error(), "issues disabled") {
+		t.Fatalf("got unexpected error: %s", err)
+	}
+}