env GO111MODULE=off

# If GOTMPDIR is relative, 'go build' should derive an absolute $WORK directory.
cd $WORK
mkdir tmp
env GOTMPDIR=tmp
go build -work a
stderr 'WORK='$WORK

# Similarly if TMP/TMPDIR is relative.
env GOTMPDIR=
env TMP=tmp    # Windows
env TMPDIR=tmp # Unix
go build -work a
stderr 'WORK='$WORK

-- a/a.go --

# go env -w rejects invalid GOTMPDIR values
! go env -w GOTMPDIR=x
stderr 'go: GOTMPDIR must be an absolute path'

# go env -w should accept absolute GOTMPDIR value
# and should not create it
[GOOS:windows] go env -w GOTMPDIR=$WORK\x\y\z
[!GOOS:windows] go env -w GOTMPDIR=$WORK/x/y/z
! exists $WORK/x/y/z
# we should be able to clear an env
go env -u GOTMPDIR
go env GOTMPDIR
stdout ^$

[!GOOS:windows] env GOCACHE=$WORK/gocache
[GOOS:windows] env GOCACHE=$WORK\gocache

# 'go build' should use GOTMPDIR if set.
[!GOOS:windows] env GOTMPDIR=$WORK/my-favorite-tmpdir
[GOOS:windows] env GOTMPDIR=$WORK\my-favorite-tmpdir
mkdir $GOTMPDIR
go build -x hello.go
stderr ^WORK=.*my-favorite-tmpdir

# Make GOTMPDIR a regular file. This prevents the creation of work directories,
# so we can check that certain commands don't create them.

	GOGCCFLAGS
	GOHOSTARCH
	GOHOSTOS
	GOINSECURE
	GOMIPS
	GOMIPS64
	GOMODCACHE
	GONOPROXY
	GONOSUMDB
	GOOS
	GOPATH
	GOPPC64
	GOPRIVATE
	GOPROXY
	GORISCV64
	GOROOT
	GOSUMDB
	GOTMPDIR
	GOTOOLCHAIN
	GOTOOLDIR
	GOVCS
	GOWASM
	GOWORK
	GO_EXTLINK_ENABLED
	PKG_CONFIG

        GOOS="darwin"
        GOPATH="/Users/gopher/go"
        GOPRIVATE=""
        GOPROXY="https://proxy.golang.org,direct"
        GOROOT="/usr/local/go"
        GOSUMDB="sum.golang.org"
        GOTMPDIR=""
        GOTOOLDIR="/usr/local/go/pkg/tool/darwin_arm64"
        GOVCS=""
        GOVERSION="go1.20.7"
        GCCGO="gccgo"
        AR="ar"
        CC="clang"
        CXX="clang++"
        CGO_ENABLED="1"