Simplify `IsVendor` (#19626)

The changes in this file were upstreamed directly into go-enry as https://github.com/go-enry/go-enry/pull/44
and therefore they are no longer needed.

diff --git a/modules/analyze/vendor.go b/modules/analyze/vendor.go
index 12ae8dbd8075c543d3762b80c4158b4cc1bae285..976a6ddc7bf2139f2009fc961c3cc24f4bbd8979 100644 (file)
--- a/modules/analyze/vendor.go
+++ b/modules/analyze/vendor.go
@@ -5,66 +5,10 @@
 package analyze
 
 import (
-       "regexp"
-       "sort"
-       "strings"
-
-       "github.com/go-enry/go-enry/v2/data"
+       "github.com/go-enry/go-enry/v2"
 )
 
-var isVendorRegExp *regexp.Regexp
-
-func init() {
-       matchers := data.VendorMatchers
-
-       caretStrings := make([]string, 0, 10)
-       caretShareStrings := make([]string, 0, 10)
-
-       matcherStrings := make([]string, 0, len(matchers))
-       for _, matcher := range matchers {
-               str := matcher.String()
-               if str[0] == '^' {
-                       caretStrings = append(caretStrings, str[1:])
-               } else if str[0:5] == "(^|/)" {
-                       caretShareStrings = append(caretShareStrings, str[5:])
-               } else {
-                       matcherStrings = append(matcherStrings, str)
-               }
-       }
-
-       sort.Strings(caretShareStrings)
-       sort.Strings(caretStrings)
-       sort.Strings(matcherStrings)
-
-       sb := &strings.Builder{}
-       sb.WriteString("(?:^(?:")
-       sb.WriteString(caretStrings[0])
-       for _, matcher := range caretStrings[1:] {
-               sb.WriteString(")|(?:")
-               sb.WriteString(matcher)
-       }
-       sb.WriteString("))")
-       sb.WriteString("|")
-       sb.WriteString("(?:(?:^|/)(?:")
-       sb.WriteString(caretShareStrings[0])
-       for _, matcher := range caretShareStrings[1:] {
-               sb.WriteString(")|(?:")
-               sb.WriteString(matcher)
-       }
-       sb.WriteString("))")
-       sb.WriteString("|")
-       sb.WriteString("(?:")
-       sb.WriteString(matcherStrings[0])
-       for _, matcher := range matcherStrings[1:] {
-               sb.WriteString(")|(?:")
-               sb.WriteString(matcher)
-       }
-       sb.WriteString(")")
-       combined := sb.String()
-       isVendorRegExp = regexp.MustCompile(combined)
-}
-
 // IsVendor returns whether or not path is a vendor path.
 func IsVendor(path string) bool {
-       return isVendorRegExp.MatchString(path)
+       return enry.IsVendor(path)
 }