38 lines
640 B
Go
38 lines
640 B
Go
package project
|
|
|
|
import (
|
|
"os"
|
|
"path/filepath"
|
|
)
|
|
|
|
func WriteAtomic(abs string, data []byte) error {
|
|
dir := filepath.Dir(abs)
|
|
if err := os.MkdirAll(dir, 0o755); err != nil {
|
|
return err
|
|
}
|
|
tmp, err := os.CreateTemp(dir, ".aego-*.tmp")
|
|
if err != nil {
|
|
return err
|
|
}
|
|
name := tmp.Name()
|
|
if _, err := tmp.Write(data); err != nil {
|
|
tmp.Close()
|
|
os.Remove(name)
|
|
return err
|
|
}
|
|
if err := tmp.Chmod(0o644); err != nil {
|
|
tmp.Close()
|
|
os.Remove(name)
|
|
return err
|
|
}
|
|
if err := tmp.Close(); err != nil {
|
|
os.Remove(name)
|
|
return err
|
|
}
|
|
if err := os.Rename(name, abs); err != nil {
|
|
os.Remove(name)
|
|
return err
|
|
}
|
|
return nil
|
|
}
|