Implement webhook branch filter (#7791)

* Fix validate() function to handle errors in embedded anon structs

* Implement webhook branch filter

See #2025, #3998.

vendor/github.com/gobwas/glob/match/text.go

@@ -0,0 +1,45 @@
+package match
+
+import (
+	"fmt"
+	"strings"
+	"unicode/utf8"
+)
+
+// raw represents raw string to match
+type Text struct {
+	Str         string
+	RunesLength int
+	BytesLength int
+	Segments    []int
+}
+
+func NewText(s string) Text {
+	return Text{
+		Str:         s,
+		RunesLength: utf8.RuneCountInString(s),
+		BytesLength: len(s),
+		Segments:    []int{len(s)},
+	}
+}
+
+func (self Text) Match(s string) bool {
+	return self.Str == s
+}
+
+func (self Text) Len() int {
+	return self.RunesLength
+}
+
+func (self Text) Index(s string) (int, []int) {
+	index := strings.Index(s, self.Str)
+	if index == -1 {
+		return -1, nil
+	}
+
+	return index, self.Segments
+}
+
+func (self Text) String() string {
+	return fmt.Sprintf("<text:`%v`>", self.Str)
+}