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ext/featurens: add missing lock

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This commit is contained in:
Jimmy Zelinskie 2017-01-13 18:49:17 -05:00
parent cda3d4819c
commit 03b8cd9a45
1 changed files with 7 additions and 4 deletions
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11
ext/featurens/driver.go
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@ -41,9 +41,10 @@ type Detector interface {
// layer.
Detect(tarutil.FilesMap) (*database.Namespace, error)
// RequireFilenames returns the list of files required to be in the FilesMap
// RequiredFilenames returns the list of files required to be in the FilesMap
// provided to the Detect method.
// TODO(jzelinskie): strip "/" prefix
//
// Filenames must not begin with "/".
RequiredFilenames() []string
}
@ -94,6 +95,9 @@ func Detect(files tarutil.FilesMap) (*database.Namespace, error) {
// RequiredFilenames returns the total list of files required for all
// registered Detectors.
func RequiredFilenames() (files []string) {
detectorsM.RLock()
defer detectorsM.RUnlock()
for _, detector := range detectors {
files = append(files, detector.RequiredFilenames()...)
}
@ -101,8 +105,7 @@ func RequiredFilenames() (files []string) {
return
}
// TestData represents the data used to test an implementation of
// NameSpaceDetector.
// TestData represents the data used to test an implementation of Detector.
type TestData struct {
Files tarutil.FilesMap
ExpectedNamespace *database.Namespace