env GO111MODULE=on

# File system pattern searches should skip sub-modules and vendor directories.
cd x

# all packages
go list all
stdout ^m$
stdout ^m/vendor$
! stdout vendor/
stdout ^m/y$
! stdout ^m/y/z

# path pattern
go list m/...
stdout ^m$
stdout ^m/vendor$
! stdout vendor/
stdout ^m/y$
! stdout ^m/y/z

# directory pattern
go list ./...
stdout ^m$
stdout ^m/vendor$
! stdout vendor/
stdout ^m/y$
! stdout ^m/y/z

# non-existent directory should not prompt lookups
! go build -mod=readonly example.com/nonexist
stderr 'import lookup disabled'

! go build -mod=readonly ./nonexist
! stderr 'import lookup disabled'
stderr '^can.t load package: package ./nonexist: cannot find package "." in:\n\t'$WORK'[/\\]gopath[/\\]src[/\\]x[/\\]nonexist$'

! go build -mod=readonly ./go.mod
! stderr 'import lookup disabled'
stderr 'can.t load package: package ./go.mod: cannot find package'


# File system paths and patterns should allow the '@' character.
cd ../@at
go list $PWD
stdout '^at$'
go list $PWD/...
stdout '^at$'

# The '@' character is not allowed in directory paths that are part of
# a package path.
cd ../badat/bad@
! go list .
stderr 'directory . outside available modules'
! go list $PWD
stderr 'directory . outside available modules'
! go list $PWD/...
stderr 'directory . outside available modules'

-- x/go.mod --
module m

-- x/x.go --
package x

-- x/vendor/v/v.go --
package v
import _ "golang.org/x/crypto"

-- x/vendor/v.go --
package main

-- x/y/y.go --
package y

-- x/y/z/go.mod --
syntax error!

-- x/y/z/z.go --
package z

-- x/y/z/w/w.go --
package w

-- @at/go.mod --
module at

go 1.14
-- @at/at.go --
package at

-- badat/go.mod --
module badat

go 1.14
-- badat/bad@/bad.go --
package bad