add no-fetch flag to spr update

cmd/spr/main.go

@@ -190,13 +190,16 @@ VERSION: fork of {{.Version}}
 				Name:    "update",
 				Aliases: []string{"u", "up"},
 				Usage:   "Update and create pull requests for updated commits in the stack",
-				Before: func(c *cli.Context) error {
-					// only override whatever was set in yaml if flag is explicitly present
-					if c.IsSet("no-rebase") {
-						cfg.User.NoRebase = c.Bool("no-rebase")
-					}
-					return nil
-				},
+			Before: func(c *cli.Context) error {
+				// only override whatever was set in yaml if flag is explicitly present
+				if c.IsSet("no-rebase") {
+					cfg.User.NoRebase = c.Bool("no-rebase")
+				}
+				if c.IsSet("no-fetch") {
+					cfg.User.NoFetch = c.Bool("no-fetch")
+				}
+				return nil
+			},
 				Action: func(c *cli.Context) error {
 					if c.IsSet("count") {
 						count := c.Uint("count")
@@ -218,14 +221,20 @@ VERSION: fork of {{.Version}}
 						Aliases: []string{"c"},
 						Usage:   "Update a specified number of pull requests from the bottom of the stack",
 					},
-					&cli.BoolFlag{
-						Name:    "no-rebase",
-						Aliases: []string{"nr"},
-						Usage:   "Disable rebasing",
-						// this env var is needed as previous versions used the env var itself to pass intent to logic
-						// layer ops so it is likely relied on as a feature by users at this point
-						EnvVars: []string{"SPR_NOREBASE"},
-					},
+				&cli.BoolFlag{
+					Name:    "no-rebase",
+					Aliases: []string{"nr"},
+					Usage:   "Disable rebasing",
+					// this env var is needed as previous versions used the env var itself to pass intent to logic
+					// layer ops so it is likely relied on as a feature by users at this point
+					EnvVars: []string{"SPR_NOREBASE"},
+				},
+				&cli.BoolFlag{
+					Name:    "no-fetch",
+					Aliases: []string{"nf"},
+					Usage:   "Disable fetch",
+					EnvVars: []string{"SPR_NOFETCH"},
+				},
 				},
 			},
 			{

config/config.go

@@ -50,9 +50,10 @@ type UserConfig struct {
 	StatusBitsHeader bool `default:"true" yaml:"statusBitsHeader"`
 	StatusBitsEmojis bool `default:"true" yaml:"statusBitsEmojis"`
 
-	CreateDraftPRs       bool   `default:"false" yaml:"createDraftPRs"`
-	PreserveTitleAndBody bool   `default:"false" yaml:"preserveTitleAndBody"`
-	NoRebase             bool   `default:"false" yaml:"noRebase"`
+	CreateDraftPRs       bool `default:"false" yaml:"createDraftPRs"`
+	PreserveTitleAndBody bool `default:"false" yaml:"preserveTitleAndBody"`
+	NoRebase             bool `default:"false" yaml:"noRebase"`
+	NoFetch              bool `default:"false" yaml:"noFetch"`
 	DeleteMergedBranches bool `default:"false" yaml:"deleteMergedBranches"`
 	ShortPRLink          bool `default:"false" yaml:"shortPRLink"`
 	ShowCommitID         bool `default:"false" yaml:"showCommitID"`

git/mockgit/mockgit.go

@@ -79,6 +79,10 @@ func (m *Mock) ExpectFetch() {
 	m.expect("git rebase origin/master --autostash")
 }
 
+func (m *Mock) ExpectNoFetch() {
+	m.expect("git rebase origin/master --autostash")
+}
+
 func (m *Mock) ExpectDeleteBranch(branchName string) {
 	m.expect(fmt.Sprintf("git DeleteRemoteBranch(%s)", branchName))
 }

git/realgit/realcmd.go

@@ -75,6 +75,11 @@ func (c *gitcmd) GitWithEditor(argStr string, output *string, editorCmd string)
 	// runs a git command
 	//  if output is not nil it will be set to the output of the command
 
+	// Fetch disabled
+	if c.config.User.NoFetch && strings.HasPrefix(argStr, "fetch") {
+		return nil
+	}
+
 	// Rebase disabled
 	if (c.config.User.NoRebase) && strings.HasPrefix(argStr, "rebase") {
 		return nil