Pull request 1875: next-gocognit

Merge in DNS/adguard-home from next-gocognit to master

Squashed commit of the following:

commit 554458a63b44e71244b4364168e6e9903b880638
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Fri Jun 16 19:58:14 2023 +0300

    all: add tool; typo

commit 1b97f93811d1ea826762cfa43fef49ae43e06939
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Fri Jun 16 19:49:40 2023 +0300

    all: add gocognit

scripts/make/go-lint.sh

@@ -170,6 +170,17 @@ run_linter govulncheck ./...
 
 run_linter gocyclo --over 10 .
 
+# TODO(a.garipov): Enable for all.
+run_linter gocognit --over 10\
+	./internal/aghalg/\
+	./internal/aghchan/\
+	./internal/aghhttp/\
+	./internal/aghio/\
+	./internal/tools/\
+	./internal/next/\
+	./internal/version/\
+	;
+
 run_linter ineffassign ./...
 
 run_linter unparam ./...

scripts/make/go-tools.sh

@@ -38,6 +38,7 @@ readonly go
 rm -f\
 	bin/errcheck\
 	bin/fieldalignment\
+	bin/gocognit\
 	bin/gocyclo\
 	bin/gofumpt\
 	bin/gosec\
@@ -69,6 +70,7 @@ env\
 	github.com/kisielk/errcheck\
 	github.com/kyoh86/looppointer/cmd/looppointer\
 	github.com/securego/gosec/v2/cmd/gosec\
+	github.com/uudashr/gocognit/cmd/gocognit\
 	golang.org/x/tools/go/analysis/passes/fieldalignment/cmd/fieldalignment\
 	golang.org/x/tools/go/analysis/passes/nilness/cmd/nilness\
 	golang.org/x/tools/go/analysis/passes/shadow/cmd/shadow\