# Test go mod download, why, and graph work in workspace mode.
# TODO(bcmills): clarify the interaction with #44435

go mod download rsc.io/quote
exists $GOPATH/pkg/mod/cache/download/rsc.io/quote/@v/v1.5.2.info
exists $GOPATH/pkg/mod/cache/download/rsc.io/quote/@v/v1.5.2.mod
exists $GOPATH/pkg/mod/cache/download/rsc.io/quote/@v/v1.5.2.zip
! exists $GOPATH/pkg/mod/cache/download/rsc.io/quote/@v/v1.5.0.info

#
# 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'

cmp go.mod.update go.mod
cmp go.sum.update go.sum
cp go.mod.orig go.mod
rm go.sum

# download with arguments (even "all") does update go.mod and go.sum.
go mod download rsc.io/sampler
cmp go.mod.update go.mod
grep '^rsc.io/sampler v1.3.0 ' go.sum
cp go.mod.orig go.mod
rm go.sum

go mod download all
cmp go.mod.update go.mod
grep '^rsc.io/sampler v1.3.0 ' go.sum

	// 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 .

# but can appear in the main go.mod file anyway and should be resolved.
cp go.mod.orig go.mod
go mod edit -require golang.org/x/text@14c0d48ead0c
cd outside
! go list -m golang.org/x/text
stderr 'go: example.com@v0.0.0 \(replaced by \./\.\.\): parsing ..[/\\]go.mod: '$WORK'[/\\]gopath[/\\]src[/\\]go.mod:5: require golang.org/x/text: version "14c0d48ead0c" invalid: must be of the form v1.2.3'
cd ..

# go.mod files should be preserved when overwriting them.

env GO111MODULE=on
[short] skip

# Skip platforms that do not have Unix-style file permissions.
[GOOS:windows] skip
[GOOS:plan9] skip

chmod 0640 go.mod
chmod 0604 go.sum
go mod edit -module=golang.org/issue/34634

go get
cmp go.mod go.mod.want
cmp go.sum go.sum.want

go run .
stdout 'go.mod: 0640'
stdout 'go.sum: 0604'

# Check that with -mod=readonly, when we load a package in a module that is
# replaced but not required, we emit an error with the command to add the
# requirement.
# Verifies golang.org/issue/41416, golang.org/issue/41577.
cp go.mod go.mod.orig

# Replace all versions of a module without requiring it.
# With -mod=mod, we'd add a requirement for a "zero" pseudo-version, but we
# can't in readonly mode, since its go.mod may alter the build list.

        anyOf(ivy("org", "mod", artifact("mod"), "exact"), ivy("org", "mod2", artifact("mod"), "exact"))               | group("org")                                                                                                          | null