ref: df1f2fb3daa1acd25c88510f259d5535fb482126
dir: /ref/store/files/update_lock.go/
package files
import (
"os"
"path"
)
func (executor *refUpdateExecutor) createUpdateLock(name refPath) error {
root := executor.store.rootFor(name.root)
dir := path.Dir(name.path)
if dir != "." {
err := root.MkdirAll(dir, 0o755)
if err != nil {
return err
}
}
file, err := root.OpenFile(name.path+".lock", os.O_WRONLY|os.O_CREATE|os.O_EXCL, 0o644)
if err != nil {
return err
}
return file.Close()
}