;; --- Go configuration file.---
;; Setup/configure Go specific programs

;; Requires:
;; gocode (for auto-complete; must be in path)

(defun go-sanitize-env ()
  "Check that then environment is configured properly for Go"
  (unless (getenv "GOPATH")
    (error "GOPATH is not set."))
  (unless (getenv "GOROOT")
    (error "GOROOT is not set.")))

(defun my-go-mode-hook ()
  (add-hook 'before-save-hook 'gofmt-before-save)
  (setq gofmt-command "goimports")
  (if (not (string-match "go" compile-command))
      (set (make-local-variable 'compile-command)
           "go build -v && go test -v && go vet")))

(require 'package-loader)

(use-package go-mode
  :config
  (add-hook 'go-mode-hook 'my-go-mode-hook)
  (add-hook 'go-mode-hook 'flycheck-mode))

(use-package company-go
  :if (executable-find "gocode")
  :config
  (add-hook 'go-mode-hook 'go-sanitize-env)
  (push 'company-go company-backends))

(provide 'go)