https-github-com-bit
diff --git a/‎src/cmd/go/alldocs.go‎
Lines changed: 3 additions & 0 deletions b/‎src/cmd/go/alldocs.go‎
Lines changed: 3 additions & 0 deletions
diff --git a/‎src/cmd/go/internal/base/flag.go‎
Lines changed: 5 additions & 0 deletions b/‎src/cmd/go/internal/base/flag.go‎
Lines changed: 5 additions & 0 deletions
diff --git a/‎src/cmd/go/internal/fmtcmd/fmt.go‎
Lines changed: 4 additions & 0 deletions b/‎src/cmd/go/internal/fmtcmd/fmt.go‎
Lines changed: 4 additions & 0 deletions
diff --git a/‎src/cmd/go/testdata/script/mod_vendor.txt‎
Lines changed: 1 addition & 0 deletions b/‎src/cmd/go/testdata/script/mod_vendor.txt‎
Lines changed: 1 addition & 0 deletions
@@ -33,3 +33,8 @@ func AddBuildFlagsNX(flags *flag.FlagSet) {
 	flags.BoolVar(&cfg.BuildN, "n", false, "")
 	flags.BoolVar(&cfg.BuildX, "x", false, "")
 }
+
+// AddLoadFlags adds the -mod build flag to the flag set.
+func AddLoadFlags(flags *flag.FlagSet) {
+	flags.StringVar(&cfg.BuildMod, "mod", "", "")
+}
@@ -22,6 +22,7 @@ import (
 
 func init() {
 	base.AddBuildFlagsNX(&CmdFmt.Flag)
+	base.AddLoadFlags(&CmdFmt.Flag)
 }
 
 var CmdFmt = &base.Command{
@@ -38,6 +39,9 @@ For more about specifying packages, see 'go help packages'.
 The -n flag prints commands that would be executed.
 The -x flag prints commands as they are executed.
 
+The -mod flag's value sets which module download mode
+to use: readonly or vendor. See 'go help modules' for more.
+
 To run gofmt with specific options, run gofmt itself.
 
 See also: go fix, go vet.
 
@@ -63,6 +63,7 @@ go build
 go build -mod=vendor
 go test -mod=vendor . ./subdir
 go test -mod=vendor ./...
+go fmt -mod=vendor ./...
 
 -- go.mod --
 module m
Original file line number	Diff line number	Diff line change
`@@ -33,3 +33,8 @@ func AddBuildFlagsNX(flags *flag.FlagSet) {`
`33`	`33`	`flags.BoolVar(&cfg.BuildN, "n", false, "")`
`34`	`34`	`flags.BoolVar(&cfg.BuildX, "x", false, "")`
`35`	`35`	`}`
	`36`	`+`
	`37`	`+// AddLoadFlags adds the -mod build flag to the flag set.`
	`38`	`+func AddLoadFlags(flags *flag.FlagSet) {`
	`39`	`+ flags.StringVar(&cfg.BuildMod, "mod", "", "")`
	`40`	`+}`