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[release-branch.go1.17] cmd/dist: consistently set PWD when executing a command in a different directory

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Fixes #52995
Updates #33598

Change-Id: If0de906ffa2fcc83bb2a90f9e80a5b29d7667398
Reviewed-on: https://go-review.googlesource.com/c/go/+/353449
Trust: Bryan C. Mills <bcmills@google.com>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
(cherry picked from commit c035d829e9)
Reviewed-on: https://go-review.googlesource.com/c/go/+/407881
Reviewed-by: Heschi Kreinick <heschi@google.com>
Run-TryBot: Bryan Mills <bcmills@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
This commit is contained in:
Bryan C. Mills 2021-09-30 15:15:45 -04:00 committed by Heschi Kreinick
parent 0e7138a102
commit a9003376d5
3 changed files with 80 additions and 29 deletions
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53
src/cmd/dist/exec.go vendored Normal file
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@ -0,0 +1,53 @@
// Copyright 2021 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package main
import (
"os"
"os/exec"
"strings"
)
// setDir sets cmd.Dir to dir, and also adds PWD=dir to cmd's environment.
func setDir(cmd *exec.Cmd, dir string) {
cmd.Dir = dir
setEnv(cmd, "PWD", dir)
}
// setEnv sets cmd.Env so that key = value.
//
// It first removes any existing values for key, so it is safe to call
// even from within cmdbootstrap.
func setEnv(cmd *exec.Cmd, key, value string) {
kv := key + "=" + value
if cmd.Env == nil {
cmd.Env = os.Environ()
}
prefix := kv[:len(key)+1]
for i, entry := range cmd.Env {
if strings.HasPrefix(entry, prefix) {
cmd.Env[i] = kv
return
}
}
cmd.Env = append(cmd.Env, kv)
}
// unsetEnv sets cmd.Env so that key is not present in the environment.
func unsetEnv(cmd *exec.Cmd, key string) {
if cmd.Env == nil {
cmd.Env = os.Environ()
}
prefix := key + "="
for i, entry := range cmd.Env {
if strings.HasPrefix(entry, prefix) {
cmd.Env = append(cmd.Env[:i], cmd.Env[i+1:]...)
return
}
}
}

54
src/cmd/dist/test.go vendored
View File

@ -522,7 +522,8 @@ func (t *tester) registerTests() {
heading: "GOOS=ios on darwin/amd64",
fn: func(dt *distTest) error {
cmd := t.addCmd(dt, "src", t.goTest(), t.timeout(300), "-run=SystemRoots", "crypto/x509")
cmd.Env = append(os.Environ(), "GOOS=ios", "CGO_ENABLED=1")
setEnv(cmd, "GOOS", "ios")
setEnv(cmd, "CGO_ENABLED", "1")
return nil
},
})
@ -542,7 +543,7 @@ func (t *tester) registerTests() {
cmd := t.addCmd(dt, "src", t.goTest(), t.timeout(300), "runtime", "-cpu=1,2,4", "-quick")
// We set GOMAXPROCS=2 in addition to -cpu=1,2,4 in order to test runtime bootstrap code,
// creation of first goroutines and first garbage collections in the parallel setting.
cmd.Env = append(os.Environ(), "GOMAXPROCS=2")
setEnv(cmd, "GOMAXPROCS", "2")
return nil
},
})
@ -563,7 +564,7 @@ func (t *tester) registerTests() {
return nil
}
cmd := exec.Command("go", "test")
cmd.Dir = filepath.Join(os.Getenv("GOROOT"), "src/cmd/go/testdata/testterminal18153")
setDir(cmd, filepath.Join(os.Getenv("GOROOT"), "src/cmd/go/testdata/testterminal18153"))
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
return cmd.Run()
@ -600,16 +601,13 @@ func (t *tester) registerTests() {
return err
}
// Run `go test fmt` in the moved GOROOT.
// Run `go test fmt` in the moved GOROOT, without explicitly setting
// GOROOT in the environment. The 'go' command should find itself.
cmd := exec.Command(filepath.Join(moved, "bin", "go"), "test", "fmt")
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
// Don't set GOROOT in the environment.
for _, e := range os.Environ() {
if !strings.HasPrefix(e, "GOROOT=") && !strings.HasPrefix(e, "GOCACHE=") {
cmd.Env = append(cmd.Env, e)
}
}
unsetEnv(cmd, "GOROOT")
unsetEnv(cmd, "GOCACHE") // TODO(bcmills): ...why‽
err := cmd.Run()
if rerr := os.Rename(moved, goroot); rerr != nil {
@ -736,11 +734,9 @@ func (t *tester) registerTests() {
heading: "../misc/swig/callback",
fn: func(dt *distTest) error {
cmd := t.addCmd(dt, "misc/swig/callback", t.goTest())
cmd.Env = append(os.Environ(),
"CGO_CFLAGS=-flto -Wno-lto-type-mismatch -Wno-unknown-warning-option",
"CGO_CXXFLAGS=-flto -Wno-lto-type-mismatch -Wno-unknown-warning-option",
"CGO_LDFLAGS=-flto -Wno-lto-type-mismatch -Wno-unknown-warning-option",
)
setEnv(cmd, "CGO_CFLAGS", "-flto -Wno-lto-type-mismatch -Wno-unknown-warning-option")
setEnv(cmd, "CGO_CXXFLAGS", "-flto -Wno-lto-type-mismatch -Wno-unknown-warning-option")
setEnv(cmd, "CGO_LDFLAGS", "-flto -Wno-lto-type-mismatch -Wno-unknown-warning-option")
return nil
},
},
@ -892,9 +888,9 @@ func (t *tester) registerSeqTest(name, dirBanner string, cmdline ...interface{})
func (t *tester) bgDirCmd(dir, bin string, args ...string) *exec.Cmd {
cmd := exec.Command(bin, args...)
if filepath.IsAbs(dir) {
cmd.Dir = dir
setDir(cmd, dir)
} else {
cmd.Dir = filepath.Join(goroot, dir)
setDir(cmd, filepath.Join(goroot, dir))
}
return cmd
}
@ -1132,7 +1128,8 @@ func (t *tester) runHostTest(dir, pkg string) error {
defer os.Remove(f.Name())
cmd := t.dirCmd(dir, t.goTest(), "-c", "-o", f.Name(), pkg)
cmd.Env = append(os.Environ(), "GOARCH="+gohostarch, "GOOS="+gohostos)
setEnv(cmd, "GOARCH", gohostarch)
setEnv(cmd, "GOOS", gohostos)
if err := cmd.Run(); err != nil {
return err
}
@ -1141,7 +1138,7 @@ func (t *tester) runHostTest(dir, pkg string) error {
func (t *tester) cgoTest(dt *distTest) error {
cmd := t.addCmd(dt, "misc/cgo/test", t.goTest())
cmd.Env = append(os.Environ(), "GOFLAGS=-ldflags=-linkmode=auto")
setEnv(cmd, "GOFLAGS", "-ldflags=-linkmode=auto")
// Skip internal linking cases on linux/arm64 to support GCC-9.4 and above.
// See issue #39466.
@ -1149,7 +1146,7 @@ func (t *tester) cgoTest(dt *distTest) error {
if t.internalLink() && !skipInternalLink {
cmd := t.addCmd(dt, "misc/cgo/test", t.goTest(), "-tags=internal")
cmd.Env = append(os.Environ(), "GOFLAGS=-ldflags=-linkmode=internal")
setEnv(cmd, "GOFLAGS", "-ldflags=-linkmode=internal")
}
pair := gohostos + "-" + goarch
@ -1161,9 +1158,9 @@ func (t *tester) cgoTest(dt *distTest) error {
break
}
cmd := t.addCmd(dt, "misc/cgo/test", t.goTest())
cmd.Env = append(os.Environ(), "GOFLAGS=-ldflags=-linkmode=external")
setEnv(cmd, "GOFLAGS", "-ldflags=-linkmode=external")
cmd = t.addCmd(dt, "misc/cgo/test", t.goTest(), "-ldflags", "-linkmode=external -s")
t.addCmd(dt, "misc/cgo/test", t.goTest(), "-ldflags", "-linkmode=external -s")
if t.supportedBuildmode("pie") {
t.addCmd(dt, "misc/cgo/test", t.goTest(), "-buildmode=pie")
@ -1181,10 +1178,10 @@ func (t *tester) cgoTest(dt *distTest) error {
"openbsd-386", "openbsd-amd64", "openbsd-arm", "openbsd-arm64", "openbsd-mips64":
cmd := t.addCmd(dt, "misc/cgo/test", t.goTest())
cmd.Env = append(os.Environ(), "GOFLAGS=-ldflags=-linkmode=external")
setEnv(cmd, "GOFLAGS", "-ldflags=-linkmode=external")
// cgo should be able to cope with both -g arguments and colored
// diagnostics.
cmd.Env = append(cmd.Env, "CGO_CFLAGS=-g0 -fdiagnostics-color")
setEnv(cmd, "CGO_CFLAGS", "-g0 -fdiagnostics-color")
t.addCmd(dt, "misc/cgo/testtls", t.goTest(), "-ldflags", "-linkmode=auto")
t.addCmd(dt, "misc/cgo/testtls", t.goTest(), "-ldflags", "-linkmode=external")
@ -1217,7 +1214,7 @@ func (t *tester) cgoTest(dt *distTest) error {
// than -static in -extldflags, so test both.
// See issue #16651.
cmd := t.addCmd(dt, "misc/cgo/test", t.goTest(), "-tags=static")
cmd.Env = append(os.Environ(), "CGO_LDFLAGS=-static -pthread")
setEnv(cmd, "CGO_LDFLAGS", "-static -pthread")
}
}
@ -1456,7 +1453,7 @@ func (t *tester) raceTest(dt *distTest) error {
// We shouldn't need to redo all of misc/cgo/test too.
// The race buildler will take care of this.
// cmd := t.addCmd(dt, "misc/cgo/test", t.goTest(), "-race")
// cmd.Env = append(os.Environ(), "GOTRACEBACK=2")
// setEnv(cmd, "GOTRACEBACK", "2")
}
if t.extLink() {
// Test with external linking; see issue 9133.
@ -1486,7 +1483,8 @@ func (t *tester) testDirTest(dt *distTest, shard, shards int) error {
})
cmd := t.dirCmd("test", "go", "build", "-o", runtest.exe, "run.go")
cmd.Env = append(os.Environ(), "GOOS="+gohostos, "GOARCH="+gohostarch)
setEnv(cmd, "GOOS", gohostos)
setEnv(cmd, "GOARCH", gohostarch)
runtest.err = cmd.Run()
})
if runtest.err != nil {
@ -1650,7 +1648,7 @@ func (t *tester) runPrecompiledStdTest(timeout time.Duration) error {
bin := t.prebuiltGoPackageTestBinary()
fmt.Fprintf(os.Stderr, "# %s: using pre-built %s...\n", stdMatches[0], bin)
cmd := exec.Command(bin, "-test.short="+short(), "-test.timeout="+timeout.String())
cmd.Dir = filepath.Dir(bin)
setDir(cmd, filepath.Dir(bin))
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
if err := cmd.Start(); err != nil {

2
src/cmd/dist/util.go vendored
View File

@ -72,7 +72,7 @@ func run(dir string, mode int, cmd ...string) string {
}
xcmd := exec.Command(cmd[0], cmd[1:]...)
xcmd.Dir = dir
setDir(xcmd, dir)
var data []byte
var err error