# Regression test for https://golang.org/issue/48511:
# requirement minimization was accidentally replacing previous
# versions of the main module, causing dependencies to be
# spuriously dropping during requirement minimization and
# leading to an infinite loop.

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

go get -u=patch ./...
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
)

require (
	example.net/a v0.1.0
	example.net/b v0.1.1 // indirect
)
-- m.go --
package m

import "example.net/a"
-- m1/go.mod --
module example.net/m

go 1.16

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

go 1.16

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

import "example.net/b"
-- b/go.mod --
module example.net/b

go 1.16
-- b/b.go --
package b