working commit

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

@@ -0,0 +1,45 @@
+package gitignore
+
+import (
+	"os"
+	"strings"
+)
+
+func cutN(path string, n int) (string, bool) {
+	isLast := true
+
+	var i, count int
+	for i < len(path)-1 {
+		if os.IsPathSeparator(path[i]) {
+			count++
+			if count >= n {
+				isLast = false
+				break
+			}
+		}
+		i++
+	}
+	return path[:i+1], isLast
+}
+
+func cutLastN(path string, n int) (string, bool) {
+	isLast := true
+	i := len(path) - 1
+
+	var count int
+	for i >= 0 {
+		if os.IsPathSeparator(path[i]) {
+			count++
+			if count >= n {
+				isLast = false
+				break
+			}
+		}
+		i--
+	}
+	return path[i+1:], isLast
+}
+
+func hasMeta(path string) bool {
+	return strings.IndexAny(path, "*?[") >= 0
+}