chore: split internal code and code from Go

Author: ldez

.golangci.yml

@@ -221,11 +221,7 @@ issues:
 
   exclude-dirs:
     - test/testdata_etc # test files
-    - internal/cache # extracted from Go code
-    - internal/robustio # extracted from Go code
-    - internal/mmap # extracted from Go code
-    - internal/quoted # extracted from Go code
-    - internal/testenv # extracted from Go code
+    - internal/go # extracted from Go code
 
 run:
   timeout: 5m

internal/cache/LICENSE renamed to internal/go/LICENSE

@@ -22,8 +22,8 @@ import (
 	"strings"
 	"time"
 
-	"github.com/golangci/golangci-lint/internal/mmap"
-	"github.com/golangci/golangci-lint/internal/robustio"
+	"github.com/golangci/golangci-lint/internal/go/mmap"
+	"github.com/golangci/golangci-lint/internal/go/robustio"
 	"github.com/rogpeppe/go-internal/lockedfile"
 )
 

internal/cache/cache.go renamed to internal/go/cache/cache.go

@@ -13,7 +13,7 @@ import (
 	"testing"
 	"time"
 
-	"github.com/golangci/golangci-lint/internal/testenv"
+	"github.com/golangci/golangci-lint/internal/go/testenv"
 )
 
 func init() {