chore: add golangci-lint

.golangci.yml

@@ -0,0 +1,30 @@
+run:
+  timeout: 5m
+
+linters-settings:
+  goimports:
+    local-prefixes: "plemya-x.ru/alr"
+  gofmt:
+    simplify: true
+  gofumpt:
+    extra-rules: true
+
+linters:
+  enable:
+    - gofmt
+    - gofumpt
+    - goimports
+    - gocritic
+    - govet
+    - staticcheck
+    - unused
+    - errcheck
+    - typecheck
+#    - forbidigo
+
+issues:
+  fix: true
+  exclude-rules:
+    - path: _test\.go
+      linters:
+        - errcheck

Makefile

@@ -12,6 +12,7 @@ INSTALLED_BASH_COMPLETION := $(DESTDIR)$(PREFIX)/share/bash-completion/completio
 INSTALLED_ZSH_COMPLETION := $(DESTDIR)$(PREFIX)/share/zsh/site-functions/_$(NAME)
 
 ADD_LICENSE_BIN := go run github.com/google/addlicense@4caba19b7ed7818bb86bc4cd20411a246aa4a524
+GOLANGCI_LINT_BIN := go run github.com/golangci/golangci-lint/cmd/golangci-lint@v1.62.2
 
 .PHONY: build install clean clear uninstall check-no-root
 
@@ -56,3 +57,6 @@ IGNORE_OLD_FILES := $(foreach file,$(shell cat old-files),-ignore $(file))
 update-license:
 	$(ADD_LICENSE_BIN) -v -f license-header-old-files.tmpl $(OLD_FILES)
 	$(ADD_LICENSE_BIN) -v -f license-header.tmpl $(IGNORE_OLD_FILES) .
+
+fmt:
+	$(GOLANGCI_LINT_BIN) run --fix