diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 089e6941a..eed4850e5 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -5,6 +5,11 @@ on:
       - "**.go"
       - go.mod
       - go.sum
+  pull_request:
+    paths:
+      - "**.go"
+      - go.mod
+      - go.sum
 
 jobs:
   lint:
diff --git a/.gitignore b/.gitignore
index 5ef399ba7..00a5bb5a6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
 /bin
+/share/man/man1
 /gh-cli
 .envrc
 /dist
diff --git a/.goreleaser.yml b/.goreleaser.yml
index 8fca69fb3..ceb22c12e 100644
--- a/.goreleaser.yml
+++ b/.goreleaser.yml
@@ -6,6 +6,7 @@ release:
 before:
   hooks:
     - go mod tidy
+    - make manpages
 
 builds:
   - <<: &build_defaults
@@ -17,10 +18,12 @@ builds:
     id: macos
     goos: [darwin]
     goarch: [amd64]
+
   - <<: *build_defaults
     id: linux
     goos: [linux]
     goarch: [386, amd64, arm64]
+
   - <<: *build_defaults
     id: windows
     goos: [windows]
@@ -35,11 +38,16 @@ archives:
     replacements:
       darwin: macOS
     format: tar.gz
+    files:
+      - LICENSE
+      - ./share/man/man1/gh*.1
   - id: windows
     builds: [windows]
     <<: *archive_defaults
     wrap_in_directory: false
     format: zip
+    files:
+      - LICENSE
 
 brews:
   - name: gh
@@ -57,8 +65,9 @@ brews:
         depends_on "go"
       end
     install: |
-      system "make" if build.head?
+      system "make", "bin/gh", "manpages" if build.head?
       bin.install "bin/gh"
+      man1.install Dir["./share/man/man1/gh*.1"]
       (bash_completion/"gh.sh").write `#{bin}/gh completion -s bash`
       (zsh_completion/"_gh").write `#{bin}/gh completion -s zsh`
       (fish_completion/"gh.fish").write `#{bin}/gh completion -s fish`
@@ -76,6 +85,8 @@ nfpms:
     formats:
       - deb
       - rpm
+    files:
+      "./share/man/man1/gh*.1": "/usr/share/man/man1"
 
 scoop:
   bucket:
diff --git a/Makefile b/Makefile
index 3d7bd0f96..dd863cb0d 100644
--- a/Makefile
+++ b/Makefile
@@ -22,13 +22,13 @@ test:
 	go test ./...
 .PHONY: test
 
-site: bin/gh
-	bin/gh repo clone github/cli.github.com "$@"
+site:
+	git clone https://github.com/github/cli.github.com.git "$@"
 
 site-docs: site
 	git -C site pull
 	git -C site rm 'manual/gh*.md' 2>/dev/null || true
-	go run ./cmd/gen-docs site/manual
+	go run ./cmd/gen-docs --website --doc-path site/manual
 	for f in site/manual/gh*.md; do sed -i.bak -e '/^### SEE ALSO/,$$d' "$$f"; done
 	rm -f site/manual/*.bak
 	git -C site add 'manual/gh*.md'
@@ -44,3 +44,8 @@ endif
 	git -C site commit -m '$(GITHUB_REF:refs/tags/v%=%)' index.html
 	git -C site push
 .PHONY: site-publish
+
+
+.PHONY: manpages
+manpages:
+	go run ./cmd/gen-docs --man-page --doc-path ./share/man/man1/
diff --git a/api/client.go b/api/client.go
index d7b981bee..88ea5b954 100644
--- a/api/client.go
+++ b/api/client.go
@@ -145,6 +145,41 @@ func (gr GraphQLErrorResponse) Error() string {
 	return fmt.Sprintf("graphql error: '%s'", strings.Join(errorMessages, ", "))
 }
 
+// Returns whether or not scopes are present, appID, and error
+func (c Client) HasScopes(wantedScopes ...string) (bool, string, error) {
+	url := "https://api.github.com/user"
+	req, err := http.NewRequest("GET", url, nil)
+	if err != nil {
+		return false, "", err
+	}
+
+	req.Header.Set("Content-Type", "application/json; charset=utf-8")
+
+	res, err := c.http.Do(req)
+	if err != nil {
+		return false, "", err
+	}
+	defer res.Body.Close()
+
+	appID := res.Header.Get("X-Oauth-Client-Id")
+	hasScopes := strings.Split(res.Header.Get("X-Oauth-Scopes"), ",")
+
+	found := 0
+	for _, s := range hasScopes {
+		for _, w := range wantedScopes {
+			if w == strings.TrimSpace(s) {
+				found++
+			}
+		}
+	}
+
+	if found == len(wantedScopes) {
+		return true, appID, nil
+	}
+
+	return false, appID, nil
+}
+
 // GraphQL performs a GraphQL request and parses the response
 func (c Client) GraphQL(query string, variables map[string]interface{}, data interface{}) error {
 	url := "https://api.github.com/graphql"
diff --git a/api/queries_gist.go b/api/queries_gist.go
new file mode 100644
index 000000000..7a9dc14b6
--- /dev/null
+++ b/api/queries_gist.go
@@ -0,0 +1,52 @@
+package api
+
+import (
+	"bytes"
+	"encoding/json"
+)
+
+// Gist represents a GitHub's gist.
+type Gist struct {
+	Description string                    `json:"description,omitempty"`
+	Public      bool                      `json:"public,omitempty"`
+	Files       map[GistFilename]GistFile `json:"files,omitempty"`
+	HTMLURL     string                    `json:"html_url,omitempty"`
+}
+
+type GistFilename string
+
+type GistFile struct {
+	Content string `json:"content,omitempty"`
+}
+
+// Create a gist for authenticated user.
+//
+// GitHub API docs: https://developer.github.com/v3/gists/#create-a-gist
+func GistCreate(client *Client, description string, public bool, files map[string]string) (*Gist, error) {
+	gistFiles := map[GistFilename]GistFile{}
+
+	for filename, content := range files {
+		gistFiles[GistFilename(filename)] = GistFile{content}
+	}
+
+	path := "gists"
+	body := &Gist{
+		Description: description,
+		Public:      public,
+		Files:       gistFiles,
+	}
+	result := Gist{}
+
+	requestByte, err := json.Marshal(body)
+	if err != nil {
+		return nil, err
+	}
+	requestBody := bytes.NewReader(requestByte)
+
+	err = client.REST("POST", path, requestBody, &result)
+	if err != nil {
+		return nil, err
+	}
+
+	return &result, nil
+}
diff --git a/api/queries_pr.go b/api/queries_pr.go
index 6ee26176c..b2e6b5650 100644
--- a/api/queries_pr.go
+++ b/api/queries_pr.go
@@ -48,6 +48,7 @@ type PullRequest struct {
 	BaseRefName string
 	HeadRefName string
 	Body        string
+	Mergeable   string
 
 	Author struct {
 		Login string
@@ -418,6 +419,7 @@ func PullRequestByNumber(client *Client, repo ghrepo.Interface, number int) (*Pu
 				state
 				closed
 				body
+				mergeable
 				author {
 				  login
 				}
@@ -526,6 +528,7 @@ func PullRequestForBranch(client *Client, repo ghrepo.Interface, baseBranch, hea
 					title
 					state
 					body
+					mergeable
 					author {
 						login
 					}
@@ -1010,6 +1013,14 @@ func PullRequestReady(client *Client, repo ghrepo.Interface, pr *PullRequest) er
 	return err
 }
 
+func BranchDeleteRemote(client *Client, repo ghrepo.Interface, branch string) error {
+	var response struct {
+		NodeID string `json:"node_id"`
+	}
+	path := fmt.Sprintf("repos/%s/%s/git/refs/heads/%s", repo.RepoOwner(), repo.RepoName(), branch)
+	return client.REST("DELETE", path, nil, &response)
+}
+
 func min(a, b int) int {
 	if a < b {
 		return a
diff --git a/api/queries_repo.go b/api/queries_repo.go
index c8ba31348..22d42cfbb 100644
--- a/api/queries_repo.go
+++ b/api/queries_repo.go
@@ -84,6 +84,9 @@ func GitHubRepo(client *Client, repo ghrepo.Interface) (*Repository, error) {
 			hasIssuesEnabled
 			description
 			viewerPermission
+			defaultBranchRef {
+				name
+			}
 		}
 	}`
 	variables := map[string]interface{}{
diff --git a/cmd/gen-docs/main.go b/cmd/gen-docs/main.go
index 6607054a9..92581d07a 100644
--- a/cmd/gen-docs/main.go
+++ b/cmd/gen-docs/main.go
@@ -7,22 +7,57 @@ import (
 
 	"github.com/cli/cli/command"
 	"github.com/spf13/cobra/doc"
+	"github.com/spf13/pflag"
 )
 
 func main() {
-	if len(os.Args) < 2 {
-		fatal("Usage: gen-docs <destination-dir>")
-	}
-	dir := os.Args[1]
 
-	err := os.MkdirAll(dir, 0755)
+	var flagError pflag.ErrorHandling
+	docCmd := pflag.NewFlagSet("", flagError)
+	manPage := docCmd.BoolP("man-page", "", false, "Generate manual pages")
+	website := docCmd.BoolP("website", "", false, "Generate website pages")
+	dir := docCmd.StringP("doc-path", "", "", "Path directory where you want generate doc files")
+	help := docCmd.BoolP("help", "h", false, "Help about any command")
+
+	if err := docCmd.Parse(os.Args); err != nil {
+		os.Exit(1)
+	}
+
+	if *help {
+		_, err := fmt.Fprintf(os.Stderr, "Usage of %s:\n\n%s", os.Args[0], docCmd.FlagUsages())
+		if err != nil {
+			fatal(err)
+		}
+		os.Exit(1)
+	}
+
+	if *dir == "" {
+		fatal("no dir set")
+	}
+
+	err := os.MkdirAll(*dir, 0755)
 	if err != nil {
 		fatal(err)
 	}
 
-	err = doc.GenMarkdownTreeCustom(command.RootCmd, dir, filePrepender, linkHandler)
-	if err != nil {
-		fatal(err)
+	if *website {
+		err = doc.GenMarkdownTreeCustom(command.RootCmd, *dir, filePrepender, linkHandler)
+		if err != nil {
+			fatal(err)
+		}
+	}
+
+	if *manPage {
+		header := &doc.GenManHeader{
+			Title:   "gh",
+			Section: "1",
+			Source:  "", //source and manual are just put at the top of the manpage, before name
+			Manual:  "", //if source is an empty string, it's set to "Auto generated by spf13/cobra"
+		}
+		err = doc.GenManTree(command.RootCmd, header, *dir)
+		if err != nil {
+			fatal(err)
+		}
 	}
 }
 
diff --git a/command/gist.go b/command/gist.go
new file mode 100644
index 000000000..04e6133fe
--- /dev/null
+++ b/command/gist.go
@@ -0,0 +1,150 @@
+package command
+
+import (
+	"errors"
+	"fmt"
+	"io"
+	"io/ioutil"
+	"os"
+	"path"
+
+	"github.com/cli/cli/api"
+	"github.com/cli/cli/utils"
+	"github.com/spf13/cobra"
+)
+
+func init() {
+	RootCmd.AddCommand(gistCmd)
+	gistCmd.AddCommand(gistCreateCmd)
+	gistCreateCmd.Flags().StringP("desc", "d", "", "A description for this gist")
+	gistCreateCmd.Flags().BoolP("public", "p", false, "When true, the gist will be public and available for anyone to see (default: private)")
+}
+
+var gistCmd = &cobra.Command{
+	Use:   "gist",
+	Short: "Create gists",
+	Long:  `Work with GitHub gists.`,
+}
+
+var gistCreateCmd = &cobra.Command{
+	Use:   `create {<filename>|-}...`,
+	Short: "Create a new gist",
+	Long: `gh gist create: create gists
+
+Gists can be created from one or many files. This command can also read from STDIN. By default, gists are private; use --public to change this.
+
+Examples
+
+    gh gist create hello.py                   # turn file hello.py into a gist
+    gh gist create --public hello.py          # turn file hello.py into a public gist
+    gh gist create -d"a file!" hello.py       # turn file hello.py into a gist, with description
+    gh gist create hello.py world.py cool.txt # make a gist out of several files
+    gh gist create -                          # read from STDIN to create a gist
+    cat cool.txt | gh gist create             # read the output of another command and make a gist out of it
+`,
+	RunE: gistCreate,
+}
+
+type Opts struct {
+	Description string
+	Public      bool
+}
+
+func gistCreate(cmd *cobra.Command, args []string) error {
+	ctx := contextForCommand(cmd)
+	client, err := apiClientForContext(ctx)
+	if err != nil {
+		return err
+	}
+
+	// This performs a dummy query, checks what scopes we have, and then asks for a user to reauth
+	// with expanded scopes. it introduces latency whenever this command is run: a trade-off to avoid
+	// having every single user reauth as a result of this feature even if they never once use gists.
+	//
+	// In the future we'd rather have the ability to detect a "reauth needed" scenario and replay
+	// failed requests but some short spikes indicated that that would be a fair bit of work.
+	client, err = ensureScopes(ctx, client, "gist")
+	if err != nil {
+		return err
+	}
+
+	opts, err := processOpts(cmd)
+	if err != nil {
+		return fmt.Errorf("did not understand arguments: %w", err)
+	}
+
+	info, err := os.Stdin.Stat()
+	if err != nil {
+		return fmt.Errorf("failed to check STDIN: %w", err)
+	}
+	if (info.Mode() & os.ModeCharDevice) != os.ModeCharDevice {
+		args = append(args, "-")
+	}
+
+	files, err := processFiles(os.Stdin, args)
+	if err != nil {
+		return fmt.Errorf("failed to collect files for posting: %w", err)
+	}
+
+	errOut := colorableErr(cmd)
+	fmt.Fprintf(errOut, "%s Creating gist...\n", utils.Gray("-"))
+
+	gist, err := api.GistCreate(client, opts.Description, opts.Public, files)
+	if err != nil {
+		return fmt.Errorf("%s Failed to create gist: %w", utils.Red("X"), err)
+	}
+
+	fmt.Fprintf(errOut, "%s Created gist\n", utils.Green("✓"))
+
+	fmt.Fprintln(cmd.OutOrStdout(), gist.HTMLURL)
+
+	return nil
+}
+
+func processOpts(cmd *cobra.Command) (*Opts, error) {
+	description, err := cmd.Flags().GetString("desc")
+	if err != nil {
+		return nil, err
+	}
+
+	public, err := cmd.Flags().GetBool("public")
+	if err != nil {
+		return nil, err
+	}
+
+	return &Opts{
+		Description: description,
+		Public:      public,
+	}, err
+}
+
+func processFiles(stdin io.Reader, filenames []string) (map[string]string, error) {
+	fs := map[string]string{}
+
+	if len(filenames) == 0 {
+		return fs, errors.New("no filenames passed and nothing on STDIN")
+	}
+
+	for i, f := range filenames {
+		var filename string
+		var content []byte
+		var err error
+		if f == "-" {
+			filename = fmt.Sprintf("gistfile%d.txt", i)
+			content, err = ioutil.ReadAll(stdin)
+			if err != nil {
+				return fs, fmt.Errorf("failed to read from stdin: %w", err)
+			}
+		} else {
+			content, err = ioutil.ReadFile(f)
+			if err != nil {
+				return fs, fmt.Errorf("failed to read file %s: %w", f, err)
+			}
+			filename = path.Base(f)
+		}
+
+		fs[filename] = string(content)
+	}
+
+	return fs, nil
+}
diff --git a/command/gist_test.go b/command/gist_test.go
new file mode 100644
index 000000000..7eb530e76
--- /dev/null
+++ b/command/gist_test.go
@@ -0,0 +1,52 @@
+package command
+
+import (
+	"bytes"
+	"encoding/json"
+	"io/ioutil"
+	"strings"
+	"testing"
+)
+
+func TestGistCreate(t *testing.T) {
+	initBlankContext("", "OWNER/REPO", "trunk")
+
+	http := initFakeHTTP()
+	http.StubResponse(200, bytes.NewBufferString(`
+	{
+		"html_url": "https://gist.github.com/aa5a315d61ae9438b18d"
+	}
+	`))
+
+	output, err := RunCommand(`gist create "../test/fixtures/gistCreate.json" -d "Gist description" --public`)
+	eq(t, err, nil)
+
+	bodyBytes, _ := ioutil.ReadAll(http.Requests[0].Body)
+	reqBody := struct {
+		Description string
+		Public      bool
+		Files       map[string]struct {
+			Content string
+		}
+	}{}
+
+	err = json.Unmarshal(bodyBytes, &reqBody)
+	if err != nil {
+		t.Fatalf("unexpected json error: %s", err)
+	}
+
+	eq(t, reqBody.Description, "Gist description")
+	eq(t, reqBody.Public, true)
+	eq(t, reqBody.Files["gistCreate.json"].Content, "{}")
+	eq(t, output.String(), "https://gist.github.com/aa5a315d61ae9438b18d\n")
+}
+
+func TestGistCreate_stdin(t *testing.T) {
+	fakeStdin := strings.NewReader("hey cool how is it going")
+	files, err := processFiles(fakeStdin, []string{"-"})
+	if err != nil {
+		t.Fatalf("unexpected error processing files: %s", err)
+	}
+
+	eq(t, files["gistfile0.txt"], "hey cool how is it going")
+}
diff --git a/command/pr.go b/command/pr.go
index fc3ec9d64..386a5e8ce 100644
--- a/command/pr.go
+++ b/command/pr.go
@@ -1,6 +1,7 @@
 package command
 
 import (
+	"errors"
 	"fmt"
 	"io"
 	"regexp"
@@ -8,6 +9,7 @@ import (
 	"strconv"
 	"strings"
 
+	"github.com/AlecAivazis/survey/v2"
 	"github.com/cli/cli/api"
 	"github.com/cli/cli/context"
 	"github.com/cli/cli/git"
@@ -26,7 +28,8 @@ func init() {
 	prCmd.AddCommand(prCloseCmd)
 	prCmd.AddCommand(prReopenCmd)
 	prCmd.AddCommand(prMergeCmd)
-	prMergeCmd.Flags().BoolP("merge", "m", true, "Merge the commits with the base branch")
+	prMergeCmd.Flags().BoolP("delete-branch", "d", true, "Delete the local and remote branch after merge")
+	prMergeCmd.Flags().BoolP("merge", "m", false, "Merge the commits with the base branch")
 	prMergeCmd.Flags().BoolP("rebase", "r", false, "Rebase the commits onto the base branch")
 	prMergeCmd.Flags().BoolP("squash", "s", false, "Squash the commits into one commit and merge it into the base branch")
 	prCmd.AddCommand(prReadyCmd)
@@ -93,7 +96,7 @@ var prMergeCmd = &cobra.Command{
 }
 var prReadyCmd = &cobra.Command{
 	Use:   "ready [<number> | <url> | <branch>]",
-	Short: "Make a pull request as ready for review",
+	Short: "Mark a pull request as ready for review",
 	Args:  cobra.MaximumNArgs(1),
 	RunE:  prReady,
 }
@@ -448,7 +451,15 @@ func prMerge(cmd *cobra.Command, args []string) error {
 
 	var pr *api.PullRequest
 	if len(args) > 0 {
-		pr, err = prFromArg(apiClient, baseRepo, args[0])
+		var prNumber string
+		n, _ := prFromURL(args[0])
+		if n != "" {
+			prNumber = n
+		} else {
+			prNumber = args[0]
+		}
+
+		pr, err = prFromArg(apiClient, baseRepo, prNumber)
 		if err != nil {
 			return err
 		}
@@ -468,41 +479,181 @@ func prMerge(cmd *cobra.Command, args []string) error {
 		}
 	}
 
-	if pr.State == "MERGED" {
+	if pr.Mergeable == "CONFLICTING" {
+		err := fmt.Errorf("%s Pull request #%d has conflicts and isn't mergeable ", utils.Red("!"), pr.Number)
+		return err
+	} else if pr.Mergeable == "UNKNOWN" {
+		err := fmt.Errorf("%s Pull request #%d can't be merged right now; try again in a few seconds", utils.Red("!"), pr.Number)
+		return err
+	} else if pr.State == "MERGED" {
 		err := fmt.Errorf("%s Pull request #%d was already merged", utils.Red("!"), pr.Number)
 		return err
 	}
 
-	rebase, err := cmd.Flags().GetBool("rebase")
-	if err != nil {
-		return err
-	}
-	squash, err := cmd.Flags().GetBool("squash")
+	var mergeMethod api.PullRequestMergeMethod
+	deleteBranch, err := cmd.Flags().GetBool("delete-branch")
 	if err != nil {
 		return err
 	}
 
-	var output string
-	if rebase {
-		output = fmt.Sprintf("%s Rebased and merged pull request #%d\n", utils.Green("✔"), pr.Number)
+	deleteLocalBranch := !cmd.Flags().Changed("repo")
+	crossRepoPR := pr.HeadRepositoryOwner.Login != baseRepo.RepoOwner()
+
+	// Ensure only one merge method is specified
+	enabledFlagCount := 0
+	isInteractive := false
+	if b, _ := cmd.Flags().GetBool("merge"); b {
+		enabledFlagCount++
+		mergeMethod = api.PullRequestMergeMethodMerge
+	}
+	if b, _ := cmd.Flags().GetBool("rebase"); b {
+		enabledFlagCount++
+		mergeMethod = api.PullRequestMergeMethodRebase
+	}
+	if b, _ := cmd.Flags().GetBool("squash"); b {
+		enabledFlagCount++
+		mergeMethod = api.PullRequestMergeMethodSquash
+	}
+
+	if enabledFlagCount == 0 {
+		isInteractive = true
+	} else if enabledFlagCount > 1 {
+		return errors.New("expected exactly one of --merge, --rebase, or --squash to be true")
+	}
+
+	if isInteractive {
+		mergeMethod, deleteBranch, err = prInteractiveMerge(deleteLocalBranch, crossRepoPR)
+		if err != nil {
+			return nil
+		}
+	}
+
+	var action string
+	if mergeMethod == api.PullRequestMergeMethodRebase {
+		action = "Rebased and merged"
 		err = api.PullRequestMerge(apiClient, baseRepo, pr, api.PullRequestMergeMethodRebase)
-	} else if squash {
-		output = fmt.Sprintf("%s Squashed and merged pull request #%d\n", utils.Green("✔"), pr.Number)
+	} else if mergeMethod == api.PullRequestMergeMethodSquash {
+		action = "Squashed and merged"
 		err = api.PullRequestMerge(apiClient, baseRepo, pr, api.PullRequestMergeMethodSquash)
-	} else {
-		output = fmt.Sprintf("%s Merged pull request #%d\n", utils.Green("✔"), pr.Number)
+	} else if mergeMethod == api.PullRequestMergeMethodMerge {
+		action = "Merged"
 		err = api.PullRequestMerge(apiClient, baseRepo, pr, api.PullRequestMergeMethodMerge)
+	} else {
+		err = fmt.Errorf("unknown merge method (%d) used", mergeMethod)
+		return err
 	}
 
 	if err != nil {
 		return fmt.Errorf("API call failed: %w", err)
 	}
 
-	fmt.Fprint(colorableOut(cmd), output)
+	fmt.Fprintf(colorableOut(cmd), "%s %s pull request #%d\n", utils.Magenta("✔"), action, pr.Number)
+
+	if deleteBranch {
+		repo, err := api.GitHubRepo(apiClient, baseRepo)
+		if err != nil {
+			return err
+		}
+
+		currentBranch, err := ctx.Branch()
+		if err != nil {
+			return err
+		}
+
+		branchSwitchString := ""
+
+		if deleteLocalBranch && !crossRepoPR {
+			var branchToSwitchTo string
+			if currentBranch == pr.HeadRefName {
+				branchToSwitchTo = repo.DefaultBranchRef.Name
+				err = git.CheckoutBranch(repo.DefaultBranchRef.Name)
+				if err != nil {
+					return err
+				}
+			}
+
+			localBranchExists := git.HasLocalBranch(pr.HeadRefName)
+			if localBranchExists {
+				err = git.DeleteLocalBranch(pr.HeadRefName)
+				if err != nil {
+					err = fmt.Errorf("failed to delete local branch %s: %w", utils.Cyan(pr.HeadRefName), err)
+					return err
+				}
+			}
+
+			if branchToSwitchTo != "" {
+				branchSwitchString = fmt.Sprintf(" and switched to branch %s", utils.Cyan(branchToSwitchTo))
+			}
+		}
+
+		if !crossRepoPR {
+			err = api.BranchDeleteRemote(apiClient, baseRepo, pr.HeadRefName)
+			if err != nil {
+				err = fmt.Errorf("failed to delete remote branch %s: %w", utils.Cyan(pr.HeadRefName), err)
+				return err
+			}
+		}
+
+		fmt.Fprintf(colorableOut(cmd), "%s Deleted branch %s%s\n", utils.Red("✔"), utils.Cyan(pr.HeadRefName), branchSwitchString)
+	}
 
 	return nil
 }
 
+func prInteractiveMerge(deleteLocalBranch bool, crossRepoPR bool) (api.PullRequestMergeMethod, bool, error) {
+	mergeMethodQuestion := &survey.Question{
+		Name: "mergeMethod",
+		Prompt: &survey.Select{
+			Message: "What merge method would you like to use?",
+			Options: []string{"Create a merge commit", "Rebase and merge", "Squash and merge"},
+			Default: "Create a merge commit",
+		},
+	}
+
+	qs := []*survey.Question{mergeMethodQuestion}
+
+	if !crossRepoPR {
+		var message string
+		if deleteLocalBranch {
+			message = "Delete the branch locally and on GitHub?"
+		} else {
+			message = "Delete the branch on GitHub?"
+		}
+
+		deleteBranchQuestion := &survey.Question{
+			Name: "deleteBranch",
+			Prompt: &survey.Confirm{
+				Message: message,
+				Default: true,
+			},
+		}
+		qs = append(qs, deleteBranchQuestion)
+	}
+
+	answers := struct {
+		MergeMethod  int
+		DeleteBranch bool
+	}{}
+
+	err := SurveyAsk(qs, &answers)
+	if err != nil {
+		return 0, false, fmt.Errorf("could not prompt: %w", err)
+	}
+
+	var mergeMethod api.PullRequestMergeMethod
+	switch answers.MergeMethod {
+	case 0:
+		mergeMethod = api.PullRequestMergeMethodMerge
+	case 1:
+		mergeMethod = api.PullRequestMergeMethodRebase
+	case 2:
+		mergeMethod = api.PullRequestMergeMethodSquash
+	}
+
+	deleteBranch := answers.DeleteBranch
+	return mergeMethod, deleteBranch, nil
+}
+
 func printPrPreview(out io.Writer, pr *api.PullRequest) error {
 	// Header (Title and State)
 	fmt.Fprintln(out, utils.Bold(pr.Title))
@@ -620,6 +771,8 @@ const (
 	approvedReviewState         = "APPROVED"
 	changesRequestedReviewState = "CHANGES_REQUESTED"
 	commentedReviewState        = "COMMENTED"
+	dismissedReviewState        = "DISMISSED"
+	pendingReviewState          = "PENDING"
 )
 
 type reviewerState struct {
@@ -645,8 +798,14 @@ func colorFuncForReviewerState(state string) func(string) string {
 
 // formattedReviewerState formats a reviewerState with state color
 func formattedReviewerState(reviewer *reviewerState) string {
-	stateColorFunc := colorFuncForReviewerState(reviewer.State)
-	return fmt.Sprintf("%s (%s)", reviewer.Name, stateColorFunc(strings.ReplaceAll(strings.Title(strings.ToLower(reviewer.State)), "_", " ")))
+	state := reviewer.State
+	if state == dismissedReviewState {
+		// Show "DISMISSED" review as "COMMENTED", since "dimissed" only makes
+		// sense when displayed in an events timeline but not in the final tally.
+		state = commentedReviewState
+	}
+	stateColorFunc := colorFuncForReviewerState(state)
+	return fmt.Sprintf("%s (%s)", reviewer.Name, stateColorFunc(strings.ReplaceAll(strings.Title(strings.ToLower(state)), "_", " ")))
 }
 
 // prReviewerList generates a reviewer list with their last state
@@ -702,6 +861,9 @@ func parseReviewers(pr api.PullRequest) []*reviewerState {
 	// Convert map to slice for ease of sort
 	result := make([]*reviewerState, 0, len(reviewerStates))
 	for _, reviewer := range reviewerStates {
+		if reviewer.State == pendingReviewState {
+			continue
+		}
 		result = append(result, reviewer)
 	}
 
diff --git a/command/pr_test.go b/command/pr_test.go
index 24fce9d63..86e2d4ecd 100644
--- a/command/pr_test.go
+++ b/command/pr_test.go
@@ -477,7 +477,7 @@ func TestPRView_Preview(t *testing.T) {
 			fixture:   "../test/fixtures/prViewPreviewWithReviewersByNumber.json",
 			expectedOutputs: []string{
 				`Blueberries are from a fork`,
-				`Reviewers: DEF \(Commented\), def \(Changes requested\), ghost \(Approved\), xyz \(Approved\), 123 \(Requested\), Team 1 \(Requested\), abc \(Requested\)\n`,
+				`Reviewers: DEF \(Commented\), def \(Changes requested\), ghost \(Approved\), hubot \(Commented\), xyz \(Approved\), 123 \(Requested\), Team 1 \(Requested\), abc \(Requested\)\n`,
 				`blueberries taste good`,
 				`View this pull request on GitHub: https://github.com/OWNER/REPO/pull/12\n`,
 			},
@@ -982,10 +982,10 @@ func initWithStubs(branch string, stubs ...stubResponse) {
 	initBlankContext("", "OWNER/REPO", branch)
 	http := initFakeHTTP()
 	http.StubRepoResponse("OWNER", "REPO")
-
 	for _, s := range stubs {
 		http.StubResponse(s.ResponseCode, s.ResponseBody)
 	}
+	http.StubRepoResponse("OWNER", "REPO")
 }
 
 func TestPrMerge(t *testing.T) {
@@ -994,9 +994,19 @@ func TestPrMerge(t *testing.T) {
 			"pullRequest": { "number": 1, "closed": false, "state": "OPEN"}
 		} } }`)},
 		stubResponse{200, bytes.NewBufferString(`{"id": "THE-ID"}`)},
+		stubResponse{200, bytes.NewBufferString(`{"node_id": "THE-ID"}`)},
 	)
 
-	output, err := RunCommand("pr merge 1")
+	cs, cmdTeardown := test.InitCmdStubber()
+	defer cmdTeardown()
+
+	cs.Stub("branch.blueberries.remote origin\nbranch.blueberries.merge refs/heads/blueberries") // git config --get-regexp ^branch\.master\.(remote|merge)
+	cs.Stub("")                                                                                  // git config --get-regexp ^branch\.blueberries\.(remote|merge)$
+	cs.Stub("")                                                                                  // git symbolic-ref --quiet --short HEAD
+	cs.Stub("")                                                                                  // git checkout master
+	cs.Stub("")
+
+	output, err := RunCommand("pr merge 1 --merge")
 	if err != nil {
 		t.Fatalf("error running command `pr merge`: %v", err)
 	}
@@ -1008,11 +1018,96 @@ func TestPrMerge(t *testing.T) {
 	}
 }
 
+func TestPrMerge_withRepoFlag(t *testing.T) {
+	initBlankContext("", "OWNER/REPO", "master")
+	http := initFakeHTTP()
+	http.StubResponse(200, bytes.NewBufferString(`{ "data": { "repository": {
+		"pullRequest": { "number": 1, "closed": false, "state": "OPEN"}
+		} } }`))
+	http.StubResponse(200, bytes.NewBufferString(`{ "data": {} }`))
+	http.StubRepoResponse("OWNER", "REPO")
+	http.StubResponse(200, bytes.NewBufferString(`{"node_id": "THE-ID"}`))
+
+	cs, cmdTeardown := test.InitCmdStubber()
+	defer cmdTeardown()
+
+	eq(t, len(cs.Calls), 0)
+
+	output, err := RunCommand("pr merge 1 --merge -R stinky/boi")
+	if err != nil {
+		t.Fatalf("error running command `pr merge`: %v", err)
+	}
+
+	r := regexp.MustCompile(`Merged pull request #1`)
+
+	if !r.MatchString(output.String()) {
+		t.Fatalf("output did not match regexp /%s/\n> output\n%q\n", r, output.Stderr())
+	}
+}
+
+func TestPrMerge_deleteBranch(t *testing.T) {
+	initWithStubs("blueberries",
+		stubResponse{200, bytes.NewBufferString(`
+		{ "data": { "repository": { "pullRequests": { "nodes": [
+			{ "headRefName": "blueberries", "id": "THE-ID", "number": 3}
+		] } } } }`)},
+		stubResponse{200, bytes.NewBufferString(`{ "data": {} }`)},
+		stubResponse{200, bytes.NewBufferString(`{"node_id": "THE-ID"}`)},
+	)
+
+	cs, cmdTeardown := test.InitCmdStubber()
+	defer cmdTeardown()
+
+	cs.Stub("") // git config --get-regexp ^branch\.blueberries\.(remote|merge)$
+	cs.Stub("") // git checkout master
+	cs.Stub("") // git rev-parse --verify blueberries`
+	cs.Stub("") // git branch -d
+	cs.Stub("") // git push origin --delete blueberries
+
+	output, err := RunCommand(`pr merge --merge --delete-branch`)
+	if err != nil {
+		t.Fatalf("Got unexpected error running `pr merge` %s", err)
+	}
+
+	test.ExpectLines(t, output.String(), "Merged pull request #3", "Deleted branch blueberries")
+}
+
+func TestPrMerge_deleteNonCurrentBranch(t *testing.T) {
+	initBlankContext("", "OWNER/REPO", "another-branch")
+	http := initFakeHTTP()
+	http.StubRepoResponse("OWNER", "REPO")
+	http.StubResponse(200, bytes.NewBufferString(`
+	{ "data": { "repository": { "pullRequests": { "nodes": [
+		{ "headRefName": "blueberries", "id": "THE-ID", "number": 3}
+	] } } } }`))
+	http.StubResponse(200, bytes.NewBufferString(`{ "data": {} }`))
+	http.StubResponse(200, bytes.NewBufferString(`{"node_id": "THE-ID"}`))
+	http.StubRepoResponse("OWNER", "REPO")
+
+	cs, cmdTeardown := test.InitCmdStubber()
+	defer cmdTeardown()
+	// We don't expect the default branch to be checked out, just that blueberries is deleted
+	cs.Stub("") // git rev-parse --verify blueberries
+	cs.Stub("") // git branch -d blueberries
+	cs.Stub("") // git push origin --delete blueberries
+
+	output, err := RunCommand(`pr merge --merge --delete-branch blueberries`)
+	if err != nil {
+		t.Fatalf("Got unexpected error running `pr merge` %s", err)
+	}
+
+	test.ExpectLines(t, output.String(), "Merged pull request #3", "Deleted branch blueberries")
+}
+
 func TestPrMerge_noPrNumberGiven(t *testing.T) {
 	cs, cmdTeardown := test.InitCmdStubber()
 	defer cmdTeardown()
 
 	cs.Stub("branch.blueberries.remote origin\nbranch.blueberries.merge refs/heads/blueberries") // git config --get-regexp ^branch\.master\.(remote|merge)
+	cs.Stub("")                                                                                  // git config --get-regexp ^branch\.blueberries\.(remote|merge)$
+	cs.Stub("")                                                                                  // git symbolic-ref --quiet --short HEAD
+	cs.Stub("")                                                                                  // git checkout master
+	cs.Stub("")                                                                                  // git branch -d
 
 	jsonFile, _ := os.Open("../test/fixtures/prViewPreviewWithMetadataByBranch.json")
 	defer jsonFile.Close()
@@ -1020,9 +1115,10 @@ func TestPrMerge_noPrNumberGiven(t *testing.T) {
 	initWithStubs("blueberries",
 		stubResponse{200, jsonFile},
 		stubResponse{200, bytes.NewBufferString(`{"id": "THE-ID"}`)},
+		stubResponse{200, bytes.NewBufferString(`{"node_id": "THE-ID"}`)},
 	)
 
-	output, err := RunCommand("pr merge")
+	output, err := RunCommand("pr merge --merge")
 	if err != nil {
 		t.Fatalf("error running command `pr merge`: %v", err)
 	}
@@ -1040,8 +1136,17 @@ func TestPrMerge_rebase(t *testing.T) {
 			"pullRequest": { "number": 2, "closed": false, "state": "OPEN"}
 		} } }`)},
 		stubResponse{200, bytes.NewBufferString(`{"id": "THE-ID"}`)},
+		stubResponse{200, bytes.NewBufferString(`{"node_id": "THE-ID"}`)},
 	)
 
+	cs, cmdTeardown := test.InitCmdStubber()
+	defer cmdTeardown()
+
+	cs.Stub("") // git config --get-regexp ^branch\.blueberries\.(remote|merge)$
+	cs.Stub("") // git symbolic-ref --quiet --short HEAD
+	cs.Stub("") // git checkout master
+	cs.Stub("") // git branch -d
+
 	output, err := RunCommand("pr merge 2 --rebase")
 	if err != nil {
 		t.Fatalf("error running command `pr merge`: %v", err)
@@ -1060,8 +1165,17 @@ func TestPrMerge_squash(t *testing.T) {
 			"pullRequest": { "number": 3, "closed": false, "state": "OPEN"}
 		} } }`)},
 		stubResponse{200, bytes.NewBufferString(`{"id": "THE-ID"}`)},
+		stubResponse{200, bytes.NewBufferString(`{"node_id": "THE-ID"}`)},
 	)
 
+	cs, cmdTeardown := test.InitCmdStubber()
+	defer cmdTeardown()
+
+	cs.Stub("") // git config --get-regexp ^branch\.blueberries\.(remote|merge)$
+	cs.Stub("") // git symbolic-ref --quiet --short HEAD
+	cs.Stub("") // git checkout master
+	cs.Stub("") // git branch -d
+
 	output, err := RunCommand("pr merge 3 --squash")
 	if err != nil {
 		t.Fatalf("error running command `pr merge`: %v", err)
@@ -1080,8 +1194,17 @@ func TestPrMerge_alreadyMerged(t *testing.T) {
 			"pullRequest": { "number": 4, "closed": true, "state": "MERGED"}
 		} } }`)},
 		stubResponse{200, bytes.NewBufferString(`{"id": "THE-ID"}`)},
+		stubResponse{200, bytes.NewBufferString(`{"node_id": "THE-ID"}`)},
 	)
 
+	cs, cmdTeardown := test.InitCmdStubber()
+	defer cmdTeardown()
+
+	cs.Stub("") // git config --get-regexp ^branch\.blueberries\.(remote|merge)$
+	cs.Stub("") // git symbolic-ref --quiet --short HEAD
+	cs.Stub("") // git checkout master
+	cs.Stub("") // git branch -d
+
 	output, err := RunCommand("pr merge 4")
 	if err == nil {
 		t.Fatalf("expected an error running command `pr merge`: %v", err)
@@ -1094,6 +1217,60 @@ func TestPrMerge_alreadyMerged(t *testing.T) {
 	}
 }
 
+func TestPRMerge_interactive(t *testing.T) {
+	initWithStubs("blueberries",
+		stubResponse{200, bytes.NewBufferString(`
+		{ "data": { "repository": { "pullRequests": { "nodes": [
+			{ "headRefName": "blueberries", "headRepositoryOwner": {"login": "OWNER"}, "id": "THE-ID", "number": 3}
+		] } } } }`)},
+		stubResponse{200, bytes.NewBufferString(`{"node_id": "THE-ID"}`)},
+		stubResponse{200, bytes.NewBufferString(`{ "data": {} }`)})
+
+	cs, cmdTeardown := test.InitCmdStubber()
+	defer cmdTeardown()
+
+	cs.Stub("") // git config --get-regexp ^branch\.blueberries\.(remote|merge)$
+	cs.Stub("") // git symbolic-ref --quiet --short HEAD
+	cs.Stub("") // git checkout master
+	cs.Stub("") // git push origin --delete blueberries
+	cs.Stub("") // git branch -d
+
+	as, surveyTeardown := initAskStubber()
+	defer surveyTeardown()
+
+	as.Stub([]*QuestionStub{
+		{
+			Name:  "mergeMethod",
+			Value: 0,
+		},
+		{
+			Name:  "deleteBranch",
+			Value: true,
+		},
+	})
+
+	output, err := RunCommand(`pr merge`)
+	if err != nil {
+		t.Fatalf("Got unexpected error running `pr merge` %s", err)
+	}
+
+	test.ExpectLines(t, output.String(), "Merged pull request #3", "Deleted branch blueberries")
+}
+
+func TestPrMerge_multipleMergeMethods(t *testing.T) {
+	initWithStubs("master",
+		stubResponse{200, bytes.NewBufferString(`{ "data": { "repository": {
+			"pullRequest": { "number": 1, "closed": false, "state": "OPEN"}
+		} } }`)},
+		stubResponse{200, bytes.NewBufferString(`{"id": "THE-ID"}`)},
+	)
+
+	_, err := RunCommand("pr merge 1 --merge --squash")
+	if err == nil {
+		t.Fatal("expected error running `pr merge` with multiple merge methods")
+	}
+}
+
 func TestPRReady(t *testing.T) {
 	initBlankContext("", "OWNER/REPO", "master")
 	http := initFakeHTTP()
diff --git a/command/root.go b/command/root.go
index 0db69a36a..60af47c41 100644
--- a/command/root.go
+++ b/command/root.go
@@ -1,6 +1,7 @@
 package command
 
 import (
+	"errors"
 	"fmt"
 	"io"
 	"os"
@@ -198,6 +199,49 @@ var apiClientForContext = func(ctx context.Context) (*api.Client, error) {
 	return api.NewClient(opts...), nil
 }
 
+var ensureScopes = func(ctx context.Context, client *api.Client, wantedScopes ...string) (*api.Client, error) {
+	hasScopes, appID, err := client.HasScopes(wantedScopes...)
+	if err != nil {
+		return client, err
+	}
+
+	if hasScopes {
+		return client, nil
+	}
+
+	if config.IsGitHubApp(appID) && utils.IsTerminal(os.Stdin) && utils.IsTerminal(os.Stderr) {
+		newToken, loginHandle, err := config.AuthFlow("Notice: additional authorization required")
+		if err != nil {
+			return client, err
+		}
+		cfg, err := ctx.Config()
+		if err != nil {
+			return client, err
+		}
+		_ = cfg.Set(defaultHostname, "oauth_token", newToken)
+		_ = cfg.Set(defaultHostname, "user", loginHandle)
+		// update config file on disk
+		err = cfg.Write()
+		if err != nil {
+			return client, err
+		}
+		// update configuration in memory
+		config.AuthFlowComplete()
+		reloadedClient, err := apiClientForContext(ctx)
+		if err != nil {
+			return client, err
+		}
+
+		return reloadedClient, nil
+	} else {
+		fmt.Fprintln(os.Stderr, fmt.Sprintf("Warning: gh now requires the `%s` OAuth scope(s).", wantedScopes))
+		fmt.Fprintln(os.Stderr, fmt.Sprintf("Visit https://github.com/settings/tokens and edit your token to enable %s", wantedScopes))
+		fmt.Fprintln(os.Stderr, "or generate a new token and paste it via `gh config set -h github.com oauth_token MYTOKEN`")
+		return client, errors.New("Unable to reauthenticate")
+	}
+
+}
+
 func apiVerboseLog() api.ClientOption {
 	logTraffic := strings.Contains(os.Getenv("DEBUG"), "api")
 	colorize := utils.IsTerminal(os.Stderr)
diff --git a/command/testing.go b/command/testing.go
index 784488fd8..5612f58ea 100644
--- a/command/testing.go
+++ b/command/testing.go
@@ -96,6 +96,9 @@ func initBlankContext(cfg, repo, branch string) {
 
 func initFakeHTTP() *httpmock.Registry {
 	http := &httpmock.Registry{}
+	ensureScopes = func(ctx context.Context, client *api.Client, wantedScopes ...string) (*api.Client, error) {
+		return client, nil
+	}
 	apiClientForContext = func(context.Context) (*api.Client, error) {
 		return api.NewClient(api.ReplaceTripper(http)), nil
 	}
diff --git a/git/git.go b/git/git.go
index 360917eab..355f905f0 100644
--- a/git/git.go
+++ b/git/git.go
@@ -203,6 +203,24 @@ func ReadBranchConfig(branch string) (cfg BranchConfig) {
 	return
 }
 
+func DeleteLocalBranch(branch string) error {
+	branchCmd := GitCommand("branch", "-D", branch)
+	err := run.PrepareCmd(branchCmd).Run()
+	return err
+}
+
+func HasLocalBranch(branch string) bool {
+	configCmd := GitCommand("rev-parse", "--verify", "refs/heads/"+branch)
+	_, err := run.PrepareCmd(configCmd).Output()
+	return err == nil
+}
+
+func CheckoutBranch(branch string) error {
+	configCmd := GitCommand("checkout", branch)
+	err := run.PrepareCmd(configCmd).Run()
+	return err
+}
+
 func isFilesystemPath(p string) bool {
 	return p == "." || strings.HasPrefix(p, "./") || strings.HasPrefix(p, "/")
 }
diff --git a/internal/config/config_setup.go b/internal/config/config_setup.go
index 48ef6ec8a..c22c07e35 100644
--- a/internal/config/config_setup.go
+++ b/internal/config/config_setup.go
@@ -41,7 +41,7 @@ func AuthFlow(notice string) (string, string, error) {
 		Hostname:     oauthHost,
 		ClientID:     oauthClientID,
 		ClientSecret: oauthClientSecret,
-		Scopes:       []string{"repo", "read:org"},
+		Scopes:       []string{"repo", "read:org", "gist"},
 		WriteSuccessHTML: func(w io.Writer) {
 			fmt.Fprintln(w, oauthSuccessPage)
 		},
diff --git a/test/fixtures/gistCreate.json b/test/fixtures/gistCreate.json
new file mode 100644
index 000000000..9e26dfeeb
--- /dev/null
+++ b/test/fixtures/gistCreate.json
@@ -0,0 +1 @@
+{}
\ No newline at end of file
diff --git a/test/fixtures/prViewPreviewWithReviewersByNumber.json b/test/fixtures/prViewPreviewWithReviewersByNumber.json
index 791512d41..4d2bd57af 100644
--- a/test/fixtures/prViewPreviewWithReviewersByNumber.json
+++ b/test/fixtures/prViewPreviewWithReviewersByNumber.json
@@ -70,6 +70,24 @@
                 "login": ""
               },
               "state": "APPROVED"
+            },
+            {
+              "author": {
+                "login": "hubot"
+              },
+              "state": "CHANGES_REQUESTED"
+            },
+            {
+              "author": {
+                "login": "hubot"
+              },
+              "state": "DISMISSED"
+            },
+            {
+              "author": {
+                "login": "monalisa"
+              },
+              "state": "PENDING"
             }
           ]
         },
diff --git a/test/helpers.go b/test/helpers.go
index c8b0efe53..c2d4e2f37 100644
--- a/test/helpers.go
+++ b/test/helpers.go
@@ -68,6 +68,7 @@ func createStubbedPrepareCmd(cs *CmdStubber) func(*exec.Cmd) run.Runnable {
 		if call >= len(cs.Stubs) {
 			panic(fmt.Sprintf("more execs than stubs. most recent call: %v", cmd))
 		}
+		// fmt.Printf("Called stub for `%v`\n", cmd) // Helpful for debugging
 		return cs.Stubs[call]
 	}
 }