git add go.mod p.go
git commit -m 'create module retract-pseudo'
git branch -m main
git tag v1.0.0

git mv p.go q.go
git commit -m 'trivial change'

git show-ref --tags --heads
cmp stdout .git-refs

-- .git-refs --
713affd19d7b9b6dc876b603017f3dcaab8ba674 refs/heads/main
64c061ed4371ef372b6bbfd58ee32015d6bfc3e5 refs/tags/v1.0.0
-- go.mod --
module vcs-test.golang.org/git/retract-pseudo.git

go 1.16

retract v1.0.0

go get example.com/retract/self/prev@latest
go list -m example.com/retract/self/prev
stdout '^example.com/retract/self/prev v1.1.0$'

# 'go get pkg@version' should update to a specific version, even if that
# version is retracted.
cp go.mod.orig go.mod
go get example.com/retract@v1.0.0-bad
stderr '^go: warning: example.com/retract@v1.0.0-bad: retracted by module author: bad$'
go list -m example.com/retract
stdout '^example.com/retract v1.0.0-bad$'

Module example.com/retract/self/prev is a module that retracts its own
latest version, as well as an earlier version.

A previous unretracted release version, v1.1.0, is still available.

-- .mod --
module example.com/retract/self/prev

go 1.15

retract v1.0.0-bad // bad
retract v1.9.0 // self

-- .info --
{"Version":"v1.9.0"}

-- p.go --

! stdout .

# 'go list -retracted pkg' shows retraction.
go list -retracted -f '{{with .Module}}{{with .Retracted}}retracted{{end}}{{end}}' example.com/retract
stdout retracted

# 'go list -m' does not show retraction.
go list -m -f '{{with .Retracted}}retracted{{end}}' example.com/retract
! stdout .

# 'go list -m -retracted' shows retraction.

go list -m -retracted -f '{{.Retracted}}' example.com/retract/rationale
stdout '^\[Ends with a BEL character. Beep!\x07\]$'


# When there is a comment on a block, but not on individual retractions within
# the block, the rationale should come from the block comment.
go list -m -retracted -f '{{.Retracted}}' example.com/retract/rationale@v1.0.0-block
stdout '^\[block comment\]$'

Module example.com/retract/description retracts all versions of itself.
The rationale comments have various problems.

-- .mod --
module example.com/retract/rationale

go 1.14

retract (
	v1.0.0-empty

	// short description
	// more
	//
	// detail
	v1.0.0-multiline1 // suffix
	// after not included
)

// short description
// more
//
// detail
retract v1.0.0-multiline2 // suffix

# fields like GoMod do.
go list -m -retracted -f '{{range .Retracted}}{{.}}{{end}}' example.com/retract
! stdout .
go list -m -retracted -f '{{if .Replace}}replaced{{end}}' example.com/retract
! stdout .
go mod edit -replace example.com/retract@v1.0.0-good=example.com/retract@v1.0.0-bad
go list -m -mod=mod -retracted -f '{{range .Retracted}}{{.}}{{end}}' example.com/retract
stdout '^bad$'

# as the base.
# Verifies golang.org/issue/41700.

[short] skip
[!git] skip
env GOPROXY=direct
env GOSUMDB=off
go mod init m

# Control: check that v1.0.0 is the only version and is retracted.
go list -m -versions vcs-test.golang.org/git/retract-pseudo.git
stdout '^vcs-test.golang.org/git/retract-pseudo.git$'
go list -m -versions -retracted vcs-test.golang.org/git/retract-pseudo.git

# Importing a package from a module with a retracted latest version will
# select the latest non-retracted version.
go get ./use_self_prev
go list -m example.com/retract/self/prev
stdout '^example.com/retract/self/prev v1.1.0$'
exists $GOPATH/pkg/mod/cache/download/example.com/retract/self/prev/@v/v1.9.0.mod

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

go 1.15

require example.com/retract v1.0.0-bad

# an error should be reported.
! go mod edit -retract=v3.0.1
stderr '^go: -retract=v3.0.1: version "v3.0.1" invalid: should be v2, not v3$'
cp go.mod.mismatch-v2 go.mod
! go list -m all
stderr 'go.mod:3: retract rsc.io/quote/v2: version "v3.0.1" invalid: should be v2, not v3$'

cp go.mod.mismatch-v1 go.mod
! go list -m all
stderr 'go.mod:3: retract rsc.io/quote: version "v3.0.1" invalid: should be v0 or v1, not v3$'