[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 -e -diff
[exec:patch] ! stderr '\n\tgo mod tidy'
[exec:patch] cp stdout diff.patch
[exec:patch] exec patch -p1 -i diff.patch
[exec:patch] go mod tidy -e -diff
[exec:patch] ! stdout .
[exec:patch] cmp go.mod go.mod.tidyResult
[exec:patch] cmp go.sum go.sum.tidyResult

golang.org/x/build v0.0.0-20240603162849-5dfbda438323/go.mod h1:yz9anu0Z63yrVrqnoOxoJuyBRDwtGUoOFJwtfvs+D+U=
golang.org/x/mod v0.18.0 h1:5+9lSbEzPSdWkH32vYPBwEpX8KwDbM52Ud9xBUvNlb0=
golang.org/x/mod v0.18.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
golang.org/x/sync v0.7.0 h1:YsImfSBoP9QPYL0xyKJPq0gcaJdG3rInoqxTWbfQu9M=
golang.org/x/sync v0.7.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=

# go.dev/issue/60028: use semver sort in exclude block in 1.21
cp $WORK/go.mod.badfmtexclude go.mod
go mod edit -go=1.20
cmp go.mod $WORK/go.mod.goodfmtexclude120
go mod edit -go=1.21
cmp go.mod $WORK/go.mod.goodfmtexclude121

-- $WORK/go.mod.badfmtexclude --
module     x.x/y/z
exclude  (
	x.1   v1.11.0
	x.1    v1.10.0
	x.1     v1.9.0
)
-- $WORK/go.mod.goodfmtexclude120 --
module x.x/y/z

go 1.20

exclude (
	x.1 v1.10.0

golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
golang.org/x/mod v0.15.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=

# By default, 'go get' should ignore tests
cp go.mod.empty go.mod
go get m/a
! grep rsc.io/quote go.mod

# 'go get -t' should consider test dependencies of the named package.
cp go.mod.empty go.mod
go get -t m/a
grep 'rsc.io/quote v1.5.2$' go.mod

# 'go get -t' should not consider test dependencies of imported packages,
# including packages imported from tests.
cp go.mod.empty go.mod
go get -t m/b
! grep rsc.io/quote go.mod

cloud.google.com/go/ids v1.4.1/go.mod h1:np41ed8YMU8zOgv53MMMoCntLTn2lF+SUzlM+O3u/jw=
cloud.google.com/go/iot v1.7.1/go.mod h1:46Mgw7ev1k9KqK1ao0ayW9h0lI+3hxeanz+L1zmbbbk=
cloud.google.com/go/kms v1.15.0/go.mod h1:c9J991h5DTl+kg7gi3MYomh12YEENGrf48ee/N/2CDM=
cloud.google.com/go/language v1.10.1/go.mod h1:CPp94nsdVNiQEt1CNjF5WkTcisLiHPyIbMhvR8H2AW0=

# As with -mod=mod, the version should appear as part of the module path.
go run -mod=vendor -trimpath main.go
stdout '^example.com/stack@v1.0.0/stack.go$'

# With pristinely vendored source code, a trimmed binary built from vendored
# code should have the same behavior as one build from the module cache.
go run -mod=mod -trimpath main.go
stdout '^example.com/stack@v1.0.0/stack.go$'

# If the main module's go.mod file lists a version lower than the version
# required by its dependencies, the commands that fetch and diagnose the module
# graph (such as 'go mod graph' and 'go mod verify') should fail explicitly:
# they can't interpret the graph themselves, and they aren't allowed to update
# the go.mod file to record a specific, stable toolchain version that can.

! go mod verify

cloud.google.com/go/beyondcorp v1.0.0/go.mod h1:YhxDWw946SCbmcWo3fAhw3V4XZMSpQ/VYfcKGAEU8/4=
cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
cloud.google.com/go/bigquery v1.53.0/go.mod h1:3b/iXjRQGU4nKa87cXeg6/gogLjO8C6PmuM8i5Bi/u4=
cloud.google.com/go/billing v1.16.0/go.mod h1:y8vx09JSSJG02k5QxbycNRrN7FGZB6F3CAcgum7jvGA=

stdout $GOPATH[\\/]src[\\/]b

# vendor directory produced for module, module mode
# runs in mod=vendor
go mod vendor
cmp vendor/modules.txt want_module_modules_txt
go list -f {{.Dir}} example.com/b
stdout $GOPATH[\\/]src[\\/]vendor[\\/]example.com[\\/]b

# vendor directory produced for module, workspace mode
# runs in mod=readonly
env GOWORK=
go list -f {{.Dir}} example.com/b
stdout $GOPATH[\\/]src[\\/]b