env GOCACHE=test
! go build -o triv triv.go
stderr 'build cache is required, but could not be located: GOCACHE is not an absolute path'

# An explicit GOCACHE=off also disables builds.
env GOCACHE=off
! go build -o triv triv.go
stderr 'build cache is disabled by GOCACHE=off'

# If GOCACHE is set to an unwritable directory, we should diagnose it as such.
[GOOS:windows] stop # Does not support unwritable directories.

# If GOPROXY is 'off', lookups should use whatever pseudo-version is available.
env GOPROXY=off
go mod download -json golang.org/x/text@a1b916ed6726
stdout '"Version": "v0.0.0-20171215141712-a1b916ed6726",'

# If we can re-resolve the commit to a pseudo-version, fetching the commit by
# hash should use the highest such pseudo-version appropriate to the commit.
env GOPROXY=direct
go mod download -json golang.org/x/text@a1b916ed6726

		if fi := ldr.FuncInfo(s); !fi.Valid() {
			continue
		}
		uw := ldr.SEHUnwindSym(s)
		if uw == 0 {
			continue
		}
		name := ctxt.SymName(uw)
		off, cached := uwcache[name]
		if !cached {
			off = xdata.Size()
			uwcache[name] = off
			xdata.AddBytes(ldr.Data(uw))
			// The SEH unwind data can contain relocations,
			// make sure those are copied over.
			rels := ldr.Relocs(uw)

	iovecs := bytes2iovec(iovs)
	n, err = readv(fd, iovecs)
	return n, err
}

//sys	preadv(fd int, iovs []Iovec, off int64) (n int, err error)

func Preadv(fd int, iovs [][]byte, off int64) (n int, err error) {
	iovecs := bytes2iovec(iovs)
	n, err = preadv(fd, iovecs, off)
	return n, err
}

//sys	writev(fd int, iovs []Iovec) (n int, err error)

func Writev(fd int, iovs [][]byte) (n int, err error) {

	for off := uintptr(0); off < 3<<30; off += 65536 {
		_, _, errno := syscall.Syscall6(syscall.SYS_MMAP,
			base+off, 65536, syscall.PROT_READ|syscall.PROT_WRITE, syscall.MAP_SHARED|syscall.MAP_FIXED, tmp.Fd(), 0)
		if errno != 0 {
			t.Skipf("could not map a page at requested 0x%x: %s", base+off, errno)
		}
		defer syscall.Syscall(syscall.SYS_MUNMAP, base+off, 65536, 0)
	}

// Returns the offset code corresponding to a specific offset.
func offsetCode(off uint32) uint32 {
	if off < uint32(len(offsetCodes)) {
		return offsetCodes[off]
	}
	if off>>7 < uint32(len(offsetCodes)) {
		return offsetCodes[off>>7] + 14
	}
	return offsetCodes[off>>14] + 28

			sname := ctxt.loader.SymName(symIdx)
			if off := armap[sname]; off != 0 && !loaded[off] {
				load = append(load, off)
				loaded[off] = true
				if ctxt.Debugvlog > 1 {
					ctxt.Logf("hostArchive(%s): selecting object at offset %x to resolve %s [%d] reference from %s [%d]\n", name, off, sname, symIdx, ctxt.loader.SymName(froms[k]), froms[k])
				}
			}
		}

		for _, off := range load {
			l := nextar(f, int64(off), &arhdr)

stdout '^(set )?GOWORK=''?'$GOPATH'[\\/]src[\\/]go.work''?$'

cd ..
go env GOWORK
! stdout .
go env
stdout 'GOWORK=("")?'

cd src
go env GOWORK
stdout 'go.work'

env GOWORK='off'
go env GOWORK
stdout 'off'

! go env -w GOWORK=off
stderr '^go: GOWORK cannot be modified$'

-- go.work --
go 1.18

use a
-- a/go.mod --

        @Override
        public void off(Ansi ansi) {
            ansi.fg(DEFAULT);
        }
    }

    private static class AttributeColor implements Color {
        private final Ansi.Attribute on;
        private final Ansi.Attribute off;

        public AttributeColor(Attribute on, Attribute off) {
            this.on = on;
            this.off = off;
        }

        @Override

	}
	off := int64(coverage.CovMetaHeaderSize)

	// Write function offsets section
	off = b.emitFuncOffsets(w, off)

	// Check for any errors up to this point.
	if b.werr != nil {
		return digest, b.werr
	}

	// Write string table.
	if err := b.stab.Write(w); err != nil {
		return digest, err
	}
	off += int64(b.stab.Size())

	// Write functions