forked from fyne-io/fyne
/
init.go
125 lines (110 loc) · 2.22 KB
/
init.go
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// Copyright 2015 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 mobile
import (
"bytes"
"fmt"
"os"
"path/filepath"
"runtime"
"strings"
"golang.org/x/sys/execabs"
)
var (
goos = runtime.GOOS
)
func mkdir(dir string) error {
if buildX || buildN {
printcmd("mkdir -p %s", dir)
}
if buildN {
return nil
}
return os.MkdirAll(dir, 0750)
}
func removeAll(path string) error {
if buildX || buildN {
printcmd(`rm -r -f "%s"`, path)
}
if buildN {
return nil
}
// os.RemoveAll behaves differently in windows.
// http://golang.org/issues/9606
if goos == "windows" {
err := resetReadOnlyFlagAll(path)
if err != nil {
return err
}
}
return os.RemoveAll(path)
}
func resetReadOnlyFlagAll(path string) error {
fi, err := os.Stat(path)
if err != nil {
return err
}
if !fi.IsDir() {
return os.Chmod(path, 0600)
}
fd, err := os.Open(filepath.Clean(path))
if err != nil {
return err
}
defer fd.Close()
names, _ := fd.Readdirnames(-1)
for _, name := range names {
err := resetReadOnlyFlagAll(path + string(filepath.Separator) + name)
if err != nil {
return err
}
}
return nil
}
func goEnv(name string) string {
if val := os.Getenv(name); val != "" {
return val
}
val, err := execabs.Command("go", "env", name).Output()
if err != nil {
panic(err) // the Go tool was tested to work earlier
}
return strings.TrimSpace(string(val))
}
func runCmd(cmd *execabs.Cmd) error {
if buildX || buildN {
dir := ""
if cmd.Dir != "" {
dir = "PWD=" + cmd.Dir + " "
}
env := strings.Join(cmd.Env, " ")
if env != "" {
env += " "
}
printcmd("%s%s%s", dir, env, strings.Join(cmd.Args, " "))
}
buf := new(bytes.Buffer)
buf.WriteByte('\n')
if buildV {
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
} else {
cmd.Stdout = buf
cmd.Stderr = buf
}
if buildWork {
if goos == "windows" {
cmd.Env = append(cmd.Env, `TEMP=`+tmpdir, `TMP=`+tmpdir)
} else {
cmd.Env = append(cmd.Env, `TMPDIR=`+tmpdir)
}
}
if !buildN {
cmd.Env = environ(cmd.Env)
if err := cmd.Run(); err != nil {
return fmt.Errorf("%s failed: %v%s", strings.Join(cmd.Args, " "), err, buf)
}
}
return nil
}