pattern ...
	match foo

	pattern net
	match net
	not net/http

	pattern net/http
	match net/http
	not net

	pattern net...
	match net net/http netchan
	not not/http not/net/http

	# Special cases. Quoting docs:

	# First, /... at the end of the pattern can match an empty string,
	# so that net/... matches both net and packages in its subdirectories, like net/http.
	pattern net/...
	match net net/http

stdout '^example.net/m v0.1.0 '
! stdout '^example.net/m/p '
cp go.mod go.mod.orig

# Upgrading example.net/m/p without also upgrading example.net/m
# causes the import of package example.net/m/p to be ambiguous.
#
# TODO(#27899): Should we automatically upgrade example.net/m to v0.2.0
# to resolve the conflict?
! go get example.net/m/p@v1.0.0

go get example.net/split/nested@v0.0.0

go get example.net/...@v0.1.0
go list -m all
stdout '^example.net/split v0.1.0 '
stdout '^example.net/split/nested v0.1.0 '

go get example.net/...
go list -m all
stdout '^example.net/split v0.3.0 '
stdout '^example.net/split/nested v0.2.0 '


# @none applies to all matching module paths,
# regardless of whether they contain any packages.

go get example.net/...@none

go 1.17

require (
	example.net/a v0.2.0-pre
	example.net/b v0.1.0
	example.net/c v0.2.0
)

replace (
	example.net/a v0.1.0 => ./a1
	example.net/a v0.2.0-pre => ./a2p
	example.net/b v0.1.0 => ./b
	example.net/b v0.2.0 => ./b
	example.net/c v0.1.0 => ./c1
	example.net/c v0.2.0 => ./c2
)
-- example.go --
package example

import (
	_ "example.net/a"
	_ "example.net/b"
	_ "example.net/c"
)

stdout '^example.net/b v0.1.0 '
stdout '^example.net/c '  # BUG, but a minor and rare one


-- go.mod --
module example

go 1.15

replace (
	example.net/a v0.1.0 => ./a1
	example.net/b v0.1.0 => ./b1
	example.net/b v0.2.0 => ./b2
	example.net/c v0.1.0 => ./c1
	example.net/c v0.2.0 => ./c1
)

-- a1/go.mod --
module example.net/a

go 1.15

	example.net/a v0.2.0 => ./a
	example.net/a v0.3.0 => ./a
	example.net/b v0.1.0 => ./b10
	example.net/b v0.1.1 => ./b11
	example.net/b v0.1.2 => ./b12
)
-- example.go --
package example

import _ "example.net/a"

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

go 1.16

require example.net/b v0.1.0
-- a/a.go --
package a

import _ "example.net/b"

-- b10/go.mod --
module example.net/b

go 1.16

! go get -v example.net/a@v0.1.0
! stderr panic
stderr 'example.net/d@v0.1.0 requires\n\texample.net/invalid'

-- go.mod --
module example

replace (
	example.net/a v0.1.0 => ./a
	example.net/b v0.1.0 => ./b1
	example.net/b v0.2.0 => ./b2
	example.net/c v0.1.0 => ./c1
	example.net/c v0.2.0 => ./c2
	example.net/d v0.1.0 => ./d
)

require (
	example.net/b v0.1.0
)
-- a/go.mod --
module example.net/a

go 1.18

stderr '^go: example\.net/m imports\n\texample\.net/x: package example\.net/x provided by example\.net/x at latest version v0\.1\.0 but not at required version v0\.2\.0-pre$'

go get example.net/x@v0.1.0 example.net/y@v0.1.0
go mod tidy
cmp go.mod go.mod.postget-117


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

go 1.16

replace (
	example.net/x v0.1.0 => ./x1

module example.com/m

require example.net/a v0.1.0

require (
	example.net/c v0.1.0 // indirect
	example.net/d v0.1.0 // indirect
)

replace (
	example.net/a v0.1.0 => ./a
	example.net/a v0.2.0 => ./a
	example.net/b v0.1.0 => ./b
	example.net/b v0.2.0 => ./b
	example.net/c v0.1.0 => ./c
	example.net/c v0.2.0 => ./c
	example.net/d v0.1.0 => ./d
	example.net/d v0.2.0 => ./d
)
-- m.go --

	example.net/b v0.2.1 => ./b
	example.net/b v0.3.0 => ./b
	example.net/b v0.3.1 => ./b
)
-- example.go --
package example

import _ "example.net/a"

-- a10/go.mod --
module example.net/a

go 1.16

require example.net/b v0.1.0
-- a10/a.go --
package a

import _ "example.net/b"

-- a11/go.mod --
module example.net/a

go 1.16

require example.net/b v0.2.0  // upgraded