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cmd: ensure that GOPATH is always valid in subprocesses that execute 'go build'

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GOPATH/pkg contains, among other things, the module cache (and associated lockfiles).

Fixes #30776

Change-Id: I305cb3c0daab8cedd2e6ad235d4733f66af18723
Reviewed-on: https://go-review.googlesource.com/c/go/+/167082
Reviewed-by: Jay Conrod <jayconrod@google.com>
This commit is contained in:
Bryan C. Mills 2019-03-12 14:43:22 -04:00
parent 49448badb6
commit 334e750917
4 changed files with 7 additions and 3 deletions
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1
src/cmd/cover/cover_test.go
View file

@ -82,6 +82,7 @@ func TestMain(m *testing.M) {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
os.Setenv("GOPATH", filepath.Join(dir, "_gopath"))
testTempDir = dir

3
src/cmd/internal/obj/x86/issue19518_test.go
View file

@ -64,7 +64,8 @@ func objdumpOutput(t *testing.T) []byte {
testenv.GoToolPath(t), "build", "-o",
filepath.Join(tmpdir, "output"))
cmd.Env = append(os.Environ(), "GOARCH=amd64", "GOOS=linux")
cmd.Env = append(os.Environ(),
"GOARCH=amd64", "GOOS=linux", "GOPATH="+filepath.Join(tmpdir, "_gopath"))
cmd.Dir = tmpdir
out, err := cmd.CombinedOutput()

3
src/cmd/internal/obj/x86/obj6_test.go
View file

@ -99,7 +99,8 @@ func asmOutput(t *testing.T, s string) []byte {
testenv.GoToolPath(t), "tool", "asm", "-S", "-dynlink",
"-o", filepath.Join(tmpdir, "output.6"), tmpfile.Name())
cmd.Env = append(os.Environ(), "GOARCH=amd64", "GOOS=linux")
cmd.Env = append(os.Environ(),
"GOARCH=amd64", "GOOS=linux", "GOPATH="+filepath.Join(tmpdir, "_gopath"))
asmout, err := cmd.CombinedOutput()
if err != nil {
t.Fatalf("error %s output %s", err, asmout)

3
src/cmd/link/link_test.go
View file

@ -161,7 +161,8 @@ TEXT ·x(SB),0,$0
`)
cmd := exec.Command(testenv.GoToolPath(t), "build")
cmd.Dir = tmpdir
cmd.Env = append(os.Environ(), []string{"GOARCH=amd64", "GOOS=linux"}...)
cmd.Env = append(os.Environ(),
"GOARCH=amd64", "GOOS=linux", "GOPATH="+filepath.Join(tmpdir, "_gopath"))
out, err := cmd.CombinedOutput()
if err == nil {
t.Fatalf("expected build to fail, but it succeeded")