[short] skip

# list {{.Dir}} shows main module and go.mod but not not-yet-downloaded dependency dir.
go list -mod=mod -m -f '{{.Path}} {{.Main}} {{.GoMod}} {{.Dir}}' all
stdout '^x true .*[\\/]src[\\/]go.mod .*[\\/]src$'
stdout '^rsc.io/quote false .*[\\/]v1.5.2.mod $'

# list {{.Dir}} shows dependency after download (and go list without -m downloads it)
go list -mod=mod -f '{{.Dir}}' rsc.io/quote
stdout '.*mod[\\/]rsc.io[\\/]quote@v1.5.2$'

cp go.mod.orig go.mod
go mod tidy -compat=1.17
cmp go.mod go.mod.orig

# Make sure that -diff behaves the same as tidy.
[exec:patch] cp go.mod.orig go.mod
[exec:patch] rm go.sum
[exec:patch] go mod tidy -compat=1.17 -diff
[exec:patch] ! stdout .

go list -deps -test -f $MODFMT all
cmp stdout out-117.txt

go mod edit -go=1.16
! go list -deps -test -f $MODFMT all

! go list -m all
stderr 'go: can''t compute ''all'' using the vendor directory\n\t\(Use -mod=mod or -mod=readonly to bypass.\)'

! go list -m -f '{{.Dir}}' all
stderr 'go: can''t compute ''all'' using the vendor directory\n\t\(Use -mod=mod or -mod=readonly to bypass.\)'

# An explicit -mod=mod should force the vendor directory to be ignored.
env GOFLAGS=-mod=mod

go list -f {{.Dir}} -tags tools -e all
stdout '^'$WORK'[/\\]auto$'

go mod tidy -compat=1.17
! stderr .
cmp go.mod go.mod.orig

# Make sure that -diff behaves the same as tidy.
[exec:patch] mv go.mod go.mod.tidyResult
[exec:patch] mv go.sum go.sum.tidyResult
[exec:patch] cp go.mod.orig go.mod
[exec:patch] ! go mod tidy -compat=1.17 -diff
[exec:patch] cp stdout diff.patch
[exec:patch] exec patch -p1 -i diff.patch
[exec:patch] go mod tidy -compat=1.17 -diff
[exec:patch] ! stdout .

	}
	goSum.m[mod] = append(goSum.m[mod], h)
}

// checkSumDB checks the mod, h pair against the Go checksum database.
// It calls base.Fatalf if the hash is to be rejected.
func checkSumDB(mod module.Version, h string) error {
	modWithoutSuffix := mod
	noun := "module"
	if before, found := strings.CutSuffix(mod.Version, "/go.mod"); found {

#
# That go.mod file happens not to affect the final 1.16 module graph anyway,
# so the pruned graph is equivalent to the unpruned one.

cp go.mod go.mod.orig
go mod tidy
cmp go.mod go.mod.orig

# Make sure that -diff behaves the same as tidy.
[exec:patch] mv go.mod go.mod.tidyResult
[exec:patch] mv go.sum go.sum.tidyResult
[exec:patch] cp go.mod.orig go.mod
[exec:patch] ! go mod tidy -diff
[exec:patch] cp stdout diff.patch

! exists go.mod
exists go.sum
! go mod tidy -diff
! exists go.mod
! stdout 'diff current/go.mod tidy/go.mod'
! stdout 'diff current/go.sum tidy/go.sum'
stderr 'go.mod file not found'

# Existing go.mod and missing go.sum should display diff.
go mod init example.com
go mod tidy
rm go.sum
exists go.mod
! exists go.sum
! go mod tidy -diff
! exists go.sum
! stdout 'diff current/go.mod tidy/go.mod'

	// TODO(#40775): commands should pass in the module mode as an option
	// to modload functions instead of relying on an implicit setting
	// based on command name.
	switch cfg.CmdName {
	case "get", "mod download", "mod init", "mod tidy", "work sync":
		// These commands are intended to update go.mod and go.sum.
		cfg.BuildMod = "mod"
		return
	case "mod graph", "mod verify", "mod why":

go mod tidy -compat=1.17
! stderr .
cmp go.mod go.mod.orig

# Make sure that -diff behaves the same as tidy.
[exec:patch] mv go.mod go.mod.tidyResult
[exec:patch] mv go.sum go.sum.tidyResult
[exec:patch] cp go.mod.orig go.mod
[exec:patch] ! go mod tidy -compat=1.17 -diff
[exec:patch] cp stdout diff.patch
[exec:patch] exec patch -p1 -i diff.patch
[exec:patch] go mod tidy -compat=1.17 -diff
[exec:patch] ! stdout .

github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7VTCxuUUipMqKk8s4w=
github.com/kisielk/errcheck v1.5.0/go.mod h1:pFxgyoBC7bSaBwPgfKdkLd5X25qrDl4LWUI2bnpBCr8=
github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
github.com/klauspost/compress v1.14.4/go.mod h1:/3/Vjq9QcHkK5uEr5lBEmyoZ1iFhe47etQ6QUkpK6sk=