update vendor

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

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

@@ -0,0 +1,79 @@
+package gitignore
+
+import "strings"
+
+const (
+	asc = iota
+	desc
+)
+
+type depthPatternHolder struct {
+	patterns depthPatterns
+	order    int
+}
+
+func newDepthPatternHolder(order int) depthPatternHolder {
+	return depthPatternHolder{
+		patterns: depthPatterns{m: map[int]initialPatternHolder{}},
+		order:    order,
+	}
+}
+
+func (h *depthPatternHolder) add(pattern string) {
+	count := strings.Count(strings.Trim(pattern, "/"), "/")
+	h.patterns.set(count+1, pattern)
+}
+
+func (h depthPatternHolder) match(path string, isDir bool) bool {
+	if h.patterns.size() == 0 {
+		return false
+	}
+
+	for depth := 1; ; depth++ {
+		var part string
+		var isLast, isDirCurrent bool
+		if h.order == asc {
+			part, isLast = cutN(path, depth)
+			if isLast {
+				isDirCurrent = isDir
+			} else {
+				isDirCurrent = false
+			}
+		} else {
+			part, isLast = cutLastN(path, depth)
+			isDirCurrent = isDir
+		}
+		if patterns, ok := h.patterns.get(depth); ok {
+			if patterns.match(part, isDirCurrent) {
+				return true
+			}
+		}
+		if isLast {
+			break
+		}
+	}
+	return false
+}
+
+type depthPatterns struct {
+	m map[int]initialPatternHolder
+}
+
+func (p *depthPatterns) set(depth int, pattern string) {
+	if ps, ok := p.m[depth]; ok {
+		ps.add(pattern)
+	} else {
+		holder := newInitialPatternHolder()
+		holder.add(pattern)
+		p.m[depth] = holder
+	}
+}
+
+func (p depthPatterns) get(depth int) (initialPatternHolder, bool) {
+	patterns, ok := p.m[depth]
+	return patterns, ok
+}
+
+func (p depthPatterns) size() int {
+	return len(p.m)
+}