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package file
import (
"io"
"io/fs"
"os"
"gitlab.com/tozd/go/errors"
)
func Mkdirp(dir string) errors.E {
err := os.MkdirAll(dir, os.ModeDir|os.ModePerm)
if err != nil {
return errors.WithMessagef(err, "could not create directory %s", dir)
}
return nil
}
func NeedNotExist(err error) errors.E {
if err != nil && !errors.Is(err, fs.ErrNotExist) {
return errors.WithStack(err)
}
return nil
}
func StatIfExists(file string) (fs.FileInfo, errors.E) {
stat, err := os.Stat(file)
return stat, NeedNotExist(err)
}
func Exists(file string) (bool, errors.E) {
stat, err := StatIfExists(file)
return stat != nil, err
}
func WriteToFile(path string, body io.Reader) errors.E {
file, err := os.Create(path)
if err != nil {
return errors.WithMessagef(err, "error creating file at %s", path)
}
defer file.Close()
_, err = io.Copy(file, body)
if err != nil {
return errors.WithMessagef(err, "error downloading file %s", path)
}
return nil
}
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