func NewTemporary(dir string, updateGoPath bool) (*Temporary, error) {
	t := &Temporary{
		Path:      dir,
		Pkg:       filepath.Join(dir, "pkg"),
		Src:       filepath.Join(dir, "src"),
		Bin:       filepath.Join(dir, "bin"),
		update:    updateGoPath,
		deleteDir: false,
	}

	for _, d := range []string{t.Src, t.Pkg, t.Bin} {
		if err := os.MkdirAll(d, 0700); err != nil {
			return nil, fmt.Errorf("failed to create %s: %v", d, err)
		}
	}

	if t.update {
		t.Orig = build.Default.GOPATH
		if os.Getenv("GOPATH") != t.Orig {
			return nil, fmt.Errorf("GOPATH %s doesn't match build.Default.GOPATH %s", os.Getenv("GOPATH"), t.Orig)
		}
		build.Default.GOPATH = dir + ":" + build.Default.GOPATH
		os.Setenv("GOPATH", build.Default.GOPATH)
	}
	return t, nil
}
// NewTemporary creates a temporary under the specified directory.
// If updateGoPath is true, go.build.Default.GOPATH will have this path prefixed to it.
NewTemporary creates a temporary under the specified directory.
If updateGoPath is true, go.build.Default.GOPATH will have this path prefixed to it.
// NewTemporary creates a temporary under the specified directory . // If updateGoPath is true go . build . Default . GOPATH will have this path prefixed to it .
func NewTemporary(dir string, updateGoPath bool) (*Temporary, error) {
	t := &Temporary{
		Path:      dir,
		Pkg:       filepath.Join(dir, "pkg"),
		Src:       filepath.Join(dir, "src"),
		Bin:       filepath.Join(dir, "bin"),
		update:    updateGoPath,
		deleteDir: false,
	}
	for _, d := range []string{t.Src, t.Pkg, t.Bin} {
		if err := os.MkdirAll(d, 0700); err != nil {
			return nil, fmt.Errorf("failed to create %s: %v", d, err)
		}
	}
	if t.update {
		t.Orig = build.Default.GOPATH
		if os.Getenv("GOPATH") != t.Orig {
			return nil, fmt.Errorf("GOPATH %s doesn't match build.Default.GOPATH %s", os.Getenv("GOPATH"), t.Orig)
		}
		build.Default.GOPATH = dir + ":" + build.Default.GOPATH
		os.Setenv("GOPATH", build.Default.GOPATH)
	}
	return t, nil
}
func NewTemporary ( dir string , updateGoPath bool ) ( * Temporary , error ) { t := & Temporary { Path : dir , Pkg : filepath . Join ( dir , " " ) , Src : filepath . Join ( dir , " " ) , Bin : filepath . Join ( dir , " " ) , update : updateGoPath , deleteDir : false , } for _ , d := range [ ] string { t . Src , t . Pkg , t . Bin } { if err := os . MkdirAll ( d , 0700 ) ; err != nil { return nil , fmt . Errorf ( " " , d , err ) } } if t . update { t . Orig = build . Default . GOPATH if os . Getenv ( " " ) != t . Orig { return nil , fmt . Errorf ( " " , os . Getenv ( " " ) , t . Orig ) } build . Default . GOPATH = dir + " " + build . Default . GOPATH os . Setenv ( " " , build . Default . GOPATH ) } return t , nil }
NewTemporary creates a temporary under the specified directory.
NewTemporary creates a temporary under the specified directory .