go install mypkg
! stale mypkg

# z.go was not compiled; removing it should NOT make mypkg stale
rm mypkg/z.go
! stale mypkg

# y.go was compiled; removing it should make mypkg stale
rm mypkg/y.go
stale mypkg

# go command should detect executable staleness too
go install mycmd
! stale mycmd
rm mycmd/z.go
! stale mycmd
rm mycmd/y.go
stale mycmd

-- mypkg/x.go --
package mypkg

-- mypkg/y.go --

stdout '^\tbuild\tvcs=fossil\n'
stdout '^\tbuild\tvcs.modified=true$'
rm empty.txt
rm $GOBIN/a$GOEXE

# An edited file is shown as modified, even if it isn't part of the build.
cp ../../outside/empty.txt ../README
go install
go version -m $GOBIN/a$GOEXE
stdout '^\tbuild\tvcs=fossil\n'
stdout '^\tbuild\tvcs.modified=true$'
exec fossil revert ../README
rm $GOBIN/a$GOEXE

-- $WORK/fakebin/fossil --
#!/bin/sh
exit 1

		}
		return Mem{Base: Reg((x >> 16) & (1<<4 - 1)), Mode: mode}

	case arg_R_rotate:
		Rm := Reg(x & (1<<4 - 1))
		typ, count := decodeShift(x)
		// ROR #0 here means ROR #0, but decodeShift rewrites to RRX #1.
		if typ == RotateRightExt {
			return Rm
		}
		return RegShift{Rm, typ, count}

	case arg_R_shift_R:
		Rm := Reg(x & (1<<4 - 1))
		Rs := Reg((x >> 8) & (1<<4 - 1))
		typ := Shift((x >> 5) & (1<<2 - 1))

	MULLU	Rq, Rr, (Rq,Rs) // q = (r * q) >> 32
	ADD 	RM, Rr, Rr // r = n - d
	MULA	RM, Rq, Rr, Rr // r = n - (q+1)*d

	// since 0 <= n-q*d < 3*d; thus -d <= r < 2*d
	CMN 	RM, Rr // t = r-d
	SUB.CS	RM, Rr, Rr // if (t<-d || t>=0) r=r+d
	ADD.CC	$1, Rq
	ADD.PL	RM<<1, Rr
	ADD.PL	$2, Rq
	RET

// use hardware divider
udiv_hardware:
	DIVUHW	Rq, Rr, Rs
	MUL	Rs, Rq, RM
	RSB	Rr, RM, Rr
	MOVW	Rs, Rq
	RET

udiv_by_large_d:

		sz := (x >> 22) & 1
		Rm := (x >> 16) & (1<<5 - 1)
		if sz == 0 {
			return S0 + Reg(Rm)
		} else {
			return D0 + Reg(Rm)
		}

	case arg_Vm_22_2__B_0__H_1__S_2__D_3:
		size := (x >> 22) & (1<<2 - 1)
		Rm := (x >> 16) & (1<<5 - 1)
		if size == 0 {
			return B0 + Reg(Rm)
		} else if size == 1 {
			return H0 + Reg(Rm)
		} else if size == 2 {
			return S0 + Reg(Rm)

platform=""
buildargs=""
case "$GOARCH" in
amd64)
	;;
arm64)
	if ! docker run --rm -t arm64v8/ubuntu:focal uname -m >/dev/null 2>&1; then
		echo "# Docker cannot run arm64 binaries. Try:"
		echo "	sudo apt-get install qemu binfmt-support qemu-user-static"
		echo "	docker run --rm --privileged multiarch/qemu-user-static --reset -p yes"
		echo "	docker run --rm -t arm64v8/ubuntu:focal uname -m"
		exit 1
	fi
	platform="--platform linux/arm64/v8"

# When a toolchain download takes place, download 1.X.0
env GOTOOLCHAIN=auto
rm go.mod
go mod init m
go mod edit -go=1.300 -toolchain=none
! go version
stderr 'go: downloading go1.300.0 '

rm go.mod
go mod init m
go mod edit -go=1.21 -toolchain=none
! go version
stderr 'go: downloading go1.21.0 '

rm go.mod
go mod init m
go mod edit -go=1.22 -toolchain=none
! go version

CHARTS_SNAPSHOT="${ROOTDIR}/operator/cmd/mesh/testdata/manifest-generate"

# Clean up existing files
rm -Rf "${CHARTS_SNAPSHOT:?}/data-snapshot.tar.gz"

cd "$(mktemp -d)"
cp -Rf "${MANIFESTS_DIR}" ./
rm -f ./**/*.md
tar cfz data-snapshot.tar.gz manifests
cp data-snapshot.tar.gz "${CHARTS_SNAPSHOT}"

go mod init
stderr 'unexpected.com/z'
rm go.mod

# Empty directory outside GOPATH fails.
mkdir $WORK/empty
cd $WORK/empty
! go mod init
stderr 'cannot determine module path for source directory'
rm go.mod

# Empty directory inside GOPATH/src uses location inside GOPATH.
mkdir $GOPATH/src/empty
cd $GOPATH/src/empty
go mod init
stderr 'empty'
rm go.mod

	if [ "$rv" -ne 0 ]; then
		cat "$WORK_DIR/fs-minio.log"
	fi
	rm -f "$WORK_DIR/fs-minio.log"

	return "$rv"
}

function run_test_erasure_sets() {
	start_minio_erasure_sets

	(cd "$WORK_DIR" && "$FUNCTIONAL_TESTS")
	rv=$?

	pkill minio
	sleep 3

	if [ "$rv" -ne 0 ]; then
		cat "$WORK_DIR/erasure-minio-sets.log"
	fi
	rm -f "$WORK_DIR/erasure-minio-sets.log"

	return "$rv"
}