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Use named returns in flock.New.

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This commit is contained in:
Bjoern Rabenstein 2015-01-19 14:31:16 +01:00
parent baca6faa1c
commit f298af5756
1 changed files with 11 additions and 15 deletions
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26
storage/local/flock/flock.go
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@ -16,22 +16,18 @@ type Releaser interface {
} }
// New locks the file with the provided name. If the file does not exist, it is // New locks the file with the provided name. If the file does not exist, it is
// created. The returned Releaser is used to release the lock. The returned // created. The returned Releaser is used to release the lock. existed is true
// boolean is true if the file to lock already existed. A non-nil error is // if the file to lock already existed. A non-nil error is returned if the
// returned if the locking has failed. Neither this function nor the returned // locking has failed. Neither this function nor the returned Releaser is
// Releaser is goroutine-safe. // goroutine-safe.
func New(fileName string) (Releaser, bool, error) { func New(fileName string) (r Releaser, existed bool, err error) {
if err := os.MkdirAll(filepath.Dir(fileName), 0755); err != nil { if err = os.MkdirAll(filepath.Dir(fileName), 0755); err != nil {
return nil, false, err return
} }
_, err := os.Stat(fileName) _, err = os.Stat(fileName)
existed := err == nil existed = err == nil
lock, err := newLock(fileName) r, err = newLock(fileName)
if err != nil { return
return nil, existed, err
}
return lock, existed, nil
} }