80 lines
1.4 KiB
Go
80 lines
1.4 KiB
Go
package util
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import (
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"io"
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"io/ioutil"
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"os"
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"path"
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"syscall"
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)
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func EnsureDirExists(dir string) error {
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_, err := os.Lstat(dir)
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if err != nil {
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var fi os.FileInfo
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curDir := dir
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for dir != "" && err != nil {
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curDir = path.Dir(curDir)
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fi, err = os.Lstat(curDir)
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}
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if err != nil {
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return err
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}
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err = os.MkdirAll(dir, fi.Mode().Perm())
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if err != nil {
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return err
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}
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}
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return nil
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}
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func FileExistsAndHasPermissions(file string, mode os.FileMode) bool {
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info, err := os.Stat(file)
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if err != nil {
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return false
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}
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return info.Mode().Perm() == mode
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}
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//TODO maybe this shouldn't fail silently?
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func RecursiveRemoveEmptyDirs(dir string) {
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var err error = nil
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curDir := dir
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for err == nil {
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err = os.Remove(curDir)
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curDir = path.Dir(curDir)
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}
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}
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func CopyReaderToTmp(src io.Reader, tmpdir string) (string, error) {
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outfile, err := ioutil.TempFile(tmpdir, "asink")
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if err != nil {
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return "", err
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}
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defer outfile.Close()
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_, err = io.Copy(outfile, src)
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if err != nil {
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return "", err
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}
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return outfile.Name(), nil
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}
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func CopyToTmp(src string, tmpdir string) (string, error) {
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infile, err := os.Open(src)
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if err != nil {
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return "", err
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}
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defer infile.Close()
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return CopyReaderToTmp(infile, tmpdir)
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}
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func ErrorFileNotFound(err error) bool {
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if e, ok := err.(*os.PathError); ok && e.Err == syscall.ENOENT {
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return true
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}
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return false
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}
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