lint: add golangci-lint

.golangci.yml

@@ -0,0 +1,26 @@
+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

Makefile

@@ -11,6 +11,8 @@ ZSH_COMPLETION := $(COMPLETIONS_DIR)/zsh
 INSTALLED_BASH_COMPLETION := $(DESTDIR)$(PREFIX)/share/bash-completion/completions/$(NAME)
 INSTALLED_ZSH_COMPLETION := $(DESTDIR)$(PREFIX)/share/zsh/site-functions/_$(NAME)
 
+GOLANGCI_LINT := go run github.com/golangci/golangci-lint/cmd/golangci-lint@v1.62.2
+
 .PHONY: build install clean clear uninstall check-no-root
 
 build: check-no-root $(BIN)
@@ -25,6 +27,10 @@ check-no-root:
 		exit 1; \
 	fi
 
+# TODO: remove --tests=false
+fmt:
+	$(GOLANGCI_LINT) run --fix --tests=false
+
 install: \
 	$(INSTALED_BIN) \
 	$(INSTALLED_BASH_COMPLETION) \