go install m/isarchive &

go build x.go
exists -exec x$GOEXE
rm x$GOEXE
! exists x$NONEXE

go build -o myprog x.go
! exists x
! exists x.exe
exists -exec myprog
! exists myprogr.exe

! exists bin
go build -o bin/x x.go
exists -exec bin/x
rm bin

! exists bin
go build -o bin/ x.go
exists -exec bin/x$GOEXE
rm bin

[GOOS:windows] ! exists bin
[GOOS:windows] go build -o bin\x x.go

go install -buildvcs=false
go version -m $GOBIN/a$GOEXE
! stdout vcs.revision
rm $GOBIN/a$GOEXE

# An untracked file is shown as modified, even if it isn't part of the build.
cp ../../outside/empty.txt .
go install
go version -m $GOBIN/a$GOEXE
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.

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

# An edited file is shown as uncommitted, 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.modified=true$'
exec git checkout ../README
rm $GOBIN/a$GOEXE

# If the build doesn't include any packages from the repository,
# there should be no VCS info.

cp go.mod.orig go.mod
rm go.sum
env GOPROXY=$proxy/sumdb-503
! go get rsc.io/quote
stderr 503

# fetch through working proxy is OK
cp go.mod.orig go.mod
rm go.sum
env GOPROXY=$proxy
go get rsc.io/quote

# repeated fetch works entirely from cache, does not consult sumdb
cp go.mod.orig go.mod
rm go.sum
env GOPROXY=$proxy/sumdb-503
go get rsc.io/quote
rm go.sum

  pdftoppm -png -singlefile ${tmp_pdf_file} ${tmp_png_prefix}
  tmp_png_file="${tmp_png_prefix}.png"
  rm -f ${tmp_pdf_file}
  if [[ ! -f ${tmp_png_file} ]] ; then
    echo "pdftoppm does not work."
    exit 1
  fi
  convert -thumbnail ${image_size} ${tmp_png_file} "${output_file}"
  rm -f ${tmp_png_prefix}*png
elif [[ x"${cmd_type}" = "xpdf" ]] ; then
  check_command convert
  check_command pdftoppm

go get rsc.io/fortune@v1.0.0 # note: must use test proxy, does not exist in real world
rm $GOPATH/pkg/mod/cache/download/sumdb # rm sumdb cache but NOT package download cache
rm go.sum

# can fetch by explicit URL
cp go.mod.orig go.mod
env GOSUMDB=$sumdb' '$proxy/sumdb-direct
go get rsc.io/fortune@v1.0.0
rm $GOPATH/pkg/mod/cache/download/sumdb
rm go.sum

# direct access fails (because localhost.localdev does not exist)

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

	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:

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"