自分用 golang emacs 開発環境 1st Step にゃ

$ cd ~/go
# go mod がないと install 出来ない
$ curl -sfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh| sh -s -- -b $(go env GOPATH)/bin v1.20.0
# version その時その時で

# wite your golangci-lint configuration
$ touch ~/go/golangci-lint.yaml

# This file contains all available configuration options
# with their default values.

# options for analysis running
run:
  # default concurrency is a available CPU number
  concurrency: 2

  # timeout for analysis, e.g. 30s, 5m, default is 1m
  timeout: 1m

linters:
  enable:
    - deadcode
    - errcheck
    - gosimple
    - govet
    - ineffassign
    - staticcheck
    - structcheck
    - typecheck
    - unused
    - varcheck
    - gocyclo
    - gosimple
  disable-all: true
  presets:
    - bugs
    - unused
  fast: false

M-x package-install flycheck
M-x package-install fly-golangci-lint

;;; package install で生成されたもの
(custom-set-variables
 ;; custom-set-variables was added by Custom.
 ;; If you edit it by hand, you could mess it up, so be careful.
 ;; Your init file should contain only one such instance.
 ;; If there is more than one, they won't work right.
 '(package-selected-packages
   (quote
    (go-mode flycheck-golangci-lint flycheck)))
 '(tool-bar-mode nil))
(custom-set-faces
 ;; custom-set-faces was added by Custom.
 ;; If you edit it by hand, you could mess it up, so be careful.
 ;; Your init file should contain only one such instance.
 ;; If there is more than one, they won't work right.
 )


;;; 公式サイトからコピペ
(eval-after-load 'flycheck
  '(add-hook 'flycheck-mode-hook #'flycheck-golangci-lint-setup))

(setq flycheck-golangci-lint-config "~/go/golangci-lint.yaml") ;; lint の設定ファイル
(add-hook 'go-mode-hook 'flycheck-mode) ;; go-modeでflycheckを利用するように