! go get example.net/a@patch
stderr '^go: example.net/a@patch \(v0.1.1\) indirectly requires example.net/a@v0.2.0, not example.net/a@patch \(v0.1.1\)$'  # TODO: A mention of b v0.1.0 would be nice.

-- go.mod --
module example

go 1.16

require example.net/a v0.1.0

replace (
	example.net/a v0.1.0 => ./a10
	example.net/a v0.1.1 => ./a11
	example.net/a v0.2.0 => ./a20

cmp go.mod go.mod.orig

-- go.mod --
module example

go 1.21

require (
	example.net/a v0.1.0
	example.net/b v0.1.0
)

require example.net/outer/inner v0.1.0 // indirect

replace (
	example.net/a v0.1.0 => ./a
	example.net/b v0.1.0 => ./b
	example.net/outer v0.1.0 => ./outer
	example.net/outer/inner v0.1.0 => ./inner
)
-- example.go --
package example

import (
	_ "example.net/a"

[exec:patch] ! exists go.sum

-- go.mod --
module example.com/m

go 1.17

replace (
	example.net/added v0.1.0 => ./a1
	example.net/added v0.2.0 => ./a2
	example.net/added v0.3.0 => ./a1
	example.net/lazy v0.1.0 => ./lazy
	example.net/pruned v0.1.0 => ./pruned
)

require (
	example.net/added v0.1.0
	example.net/lazy v0.1.0
)
-- go.mod.tidy --
module example.com/m

go 1.17

replace (

go get -u patch.example.com/direct@patch
go list -m all
stdout '^patch.example.com/direct v1.0.1'
stdout '^patch.example.com/indirect v1.1.0'
stdout '^patch.example.com/depofdirectpatch v1.0.0'

# An explicit @latest should override a general -u=patch.
cp go.mod.orig go.mod
go get -u=patch patch.example.com/direct@latest
go list -m all
stdout '^patch.example.com/direct v1.1.0'
stdout '^patch.example.com/indirect v1.0.1'

cmp go.mod go.mod.want

-- go.mod --
module example.net/m

go 1.16

replace (
	example.net/a v0.1.0 => ./a
	example.net/b v0.1.0 => ./b
	example.net/b v0.1.1 => ./b
	example.net/m v0.1.0 => ./m1
)

require example.net/a v0.1.0
-- go.mod.want --
module example.net/m

go 1.16

replace (
	example.net/a v0.1.0 => ./a
	example.net/b v0.1.0 => ./b
	example.net/b v0.1.1 => ./b
	example.net/m v0.1.0 => ./m1

go get example.com/pseudoupgrade@upgrade
go list -m -u all
stdout '^example.com/pseudoupgrade v0.0.0-20190430073000-30950c05d534$'

# 'get example.com/pseudoupgrade' should not downgrade.
go get example.com/pseudoupgrade
go list -m -u all
stdout '^example.com/pseudoupgrade v0.0.0-20190430073000-30950c05d534$'

# 'get example.com/pseudoupgrade@latest' should downgrade.
go get example.com/pseudoupgrade@latest

-- go.mod.dirreplacement --
module m

go 1.17

require example.com/deprecated/a v1.0.0

replace example.com/deprecated/a => ./a
-- go.mod.latestreplaced --
module m

go 1.17

require example.com/deprecated/a v1.0.0

replace (
	example.com/deprecated/a => example.com/deprecated/b v1.0.0
	example.com/deprecated/b v1.9.0 => ./b
)
-- go.sum --

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

go get example.com/d@v0.1.0
go list -m all
stdout '^example.com/b v0.1.0 '
stdout '^example.com/c v0.1.0 '
stdout '^example.com/d v0.1.0 '

-- go.mod --
module example.com/a

go 1.15

require example.com/b v0.2.0

replace (
	example.com/b v0.1.0 => ./b1
	example.com/b v0.2.0 => ./b2
	example.com/c v0.1.0 => ./c
	example.com/d v0.1.0 => ./d
	example.com/d v0.2.0 => ./d

rm p
go mod tidy -go=1.20
go list -m all
! stdout example.com/generics
go get -t example.com/m2/q@v1.0.0
go list -f '{{if eq .ImportPath "example.com/generics"}}{{.Module.GoVersion}}{{end}}' -deps -test example.com/m2/q
stdout 1.18
[!short] go test -o $devnull -c example.com/m2/q


-- m1/go.mod --
module example.com/m1

go 1.21

require example.com/m2 v1.0.0
replace example.com/m2 => ../m2
-- m1/p/p.go --
package p

-- go.sum --
example.com/nolatest v0.0.0/go.mod h1:HnLrCt6SJga5tCtJ7IzG9dOOCniY3G5C0VT7jfMdS0M=
example.com/noversion v0.0.0/go.mod h1:2RUfWiCYsygSXPM2Igxx0FD3Kq33OnVdxm34eDDhXbQ=
-- $WORK/proxy/example.com/nolatest/@v/list --
-- $WORK/proxy/example.com/nolatest/@v/v0.0.0.info --
{"Version":"v0.0.0"}
-- $WORK/proxy/example.com/nolatest/@v/v0.0.0.mod --
module example.com/nolatest

go 1.17
-- $WORK/proxy/example.com/noversion/@v/v0.0.0.info --