# but are a valid Windows file name.
cd $WORK/'gopath/src/m''d'
! go mod init
stderr 'cannot determine module path'

# Test that a go.mod file is rejected when its module declaration has a path that can't
# possibly be a module path, because it isn't even a valid import path
cd $WORK/gopath/src/badname
! go list .
stderr 'malformed module path'

cd rundir

! go run x.go sub/sub.go
stderr 'named files must all be in one directory; have . and sub'
! go run sub/sub.go x.go
stderr 'named files must all be in one directory; have sub and .'

cd ../
go run rundir/foo.go ./rundir/bar.go
stderr 'hello world'

-- rundir/sub/sub.go --
package main
-- rundir/x.go --
package main
-- rundir/foo.go --
package main
func main() { println(msg) }
-- rundir/bar.go --
package main

type Wrapper struct {
	*admin.ConfigDump
}

// UnmarshalJSON is a custom unmarshaller to handle protobuf pain
func (w *Wrapper) UnmarshalJSON(b []byte) error {
	cd := &admin.ConfigDump{}
	err := protomarshal.UnmarshalAllowUnknownWithAnyResolver(nonStrictResolver, b, cd)
	*w = Wrapper{cd}
	return err

# Test overlays that affect go.mod files

# The go.mod file can exist only in the overlay.
cd $WORK/gopath/src/no-go-mod
go list -overlay overlay.json .
stdout example.com/simple

# Check content of overlaid go.mod is used.
cd $WORK/gopath/src/overlay-go-mod
go list -overlay overlay.json .
stdout use.this/module/name

# Check content of overlaid go.mod in a replacement module is used.
# The go.mod in the replacement module is missing a requirement

cd thirteen
! go list -deps
stderr 	'(Go version in go.mod is 1.13, so vendor directory was not used.)'

cd ../unspecified
! go list -deps
stderr 	'(Go version in go.mod is unspecified, so vendor directory was not used.)'

-- thirteen/foo.go --
package foo

import _ "github.com/foo/bar"
-- thirteen/go.mod --
module example.com

go 1.13
-- thirteen/vendor/github.com/foo/bar/bar.go --
package bar
-- unspecified/foo.go --

00000010  59 17 86 df 90 2f 73 e0  a0 5c 6e 28 09 78 69 d6  |Y..../s..\n(.xi.|
00000020  30 06 b7 7b 17 a9 79 30  2a d8 57 20 c5 5c ed 86  |0..{..y0*.W .\..|
00000030  15 f4 3b c8 d2 5f 7a 80  2a 6a cd 40 c2 da 6f a8  |..;.._z.*j.@..o.|
00000040  cd d7 e7 bf 48 bd fb a1  e9 4b 9b a9 00 04 00 2f  |....H....K...../|
00000050  00 ff 01 00 00 b9 00 23  00 79 00 00 00 00 00 00  |.......#.y......|

UPDATE_BRANCH=${UPDATE_BRANCH:-"master"}

SCRIPTPATH="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
ROOTDIR=$(dirname "${SCRIPTPATH}")
cd "${ROOTDIR}"

# Get the sha of top commit
# $1 = repo
function getSha() {
  local dir result
  dir=$(mktemp -d)
  git clone --depth=1 "https://github.com/istio/${1}.git" -b "${UPDATE_BRANCH}" "${dir}"

  result="$(cd "${dir}" && git rev-parse HEAD)"
  rm -rf "${dir}"

00000030  42 6f 8a 9b 58 fc f8 1b  54 89 cd 9c 11 10 b9 1d  |Bo..X...T.......|
00000040  c3 e1 8e 89 20 a5 2d 0b  31 b5 e0 16 54 ce 93 9b  |.... .-.1...T...|
00000050  de cc b1 af 48 48 33 96  4d a6 00 78 7b 60 3f 7c  |....HH3.M..x{`?||
00000060  cd 86 64 5e 38 e8 fd 60  d4 b1 89 cd e4 fb 42 b5  |..d^8..`......B.|
00000070  82 8f e5 23 91 87 6d 54  9e 85 37 34 df ae 70 a5  |...#..mT..74..p.|

cd a
go get rsc.io/quote
cat go.mod
go env GOMOD # go env GOMOD reports the module in a single module context
stdout $GOPATH(\\|/)src(\\|/)a(\\|/)go.mod
cd ..
go run example.com/b
stdout 'Hello, world.'

# And try from a different directory
cd c
go run  example.com/b
stdout 'Hello, world.'
cd $GOPATH/src

go list all # all includes both modules

	return protomarshal.Marshal(w)
}

// UnmarshalJSON is a custom unmarshaller to handle protobuf pain
func (w *Wrapper) UnmarshalJSON(b []byte) error {
	cd := &admin.Clusters{}
	err := protomarshal.UnmarshalAllowUnknown(b, cd)
	*w = Wrapper{cd}
	return err