update vendor

Signed-off-by: Roland.Ma <rolandma@yunify.com>

vendor/github.com/monochromegane/go-gitignore/index_scan_patterns.go

@@ -0,0 +1,35 @@
+package gitignore
+
+import "strings"
+
+type indexScanPatterns struct {
+	absolute depthPatternHolder
+	relative depthPatternHolder
+}
+
+func newIndexScanPatterns() *indexScanPatterns {
+	return &indexScanPatterns{
+		absolute: newDepthPatternHolder(asc),
+		relative: newDepthPatternHolder(desc),
+	}
+}
+
+func (ps *indexScanPatterns) add(pattern string) {
+	if strings.HasPrefix(pattern, "/") {
+		ps.absolute.add(pattern)
+	} else {
+		ps.relative.add(pattern)
+	}
+}
+
+func (ps indexScanPatterns) match(path string, isDir bool) bool {
+	if ps.absolute.match(path, isDir) {
+		return true
+	}
+	return ps.relative.match(path, isDir)
+}
+
+type scanStrategy interface {
+	add(pattern string)
+	match(path string, isDir bool) bool
+}