From 979c0e878745da5063e17848cf2ded5cd3626d69 Mon Sep 17 00:00:00 2001
From: Maciej Szlosarczyk <maciej@sosek.net>
Date: Sat, 6 Jan 2018 21:22:59 +0200
Subject: [PATCH] Add go to go

---
 config/behaviour.el |  4 +++-
 config/languages.el |  1 +
 config/packages.el  | 10 ++++++++++
 config/windows.el   |  3 +++
 init.el             |  2 +-
 languages/go.el     | 27 +++++++++++++++++++++++++++
 6 files changed, 45 insertions(+), 2 deletions(-)
 create mode 100644 languages/go.el

diff --git a/config/behaviour.el b/config/behaviour.el
index 6bdd0a2..7acb38a 100644
--- a/config/behaviour.el
+++ b/config/behaviour.el
@@ -91,7 +91,9 @@
 
 ; Use Shells variables
 (when (memq window-system '(mac ns))
-  (exec-path-from-shell-initialize))
+  (exec-path-from-shell-initialize)
+  (exec-path-from-shell-copy-env "GOPATH")
+  (exec-path-from-shell-copy-env "GOROOT"))
 
 
 ;;;;;;;;;;;;;;;;;;;;;; indentation functions ;;;;;;;;;;;;;;;;;;;;;;
diff --git a/config/languages.el b/config/languages.el
index 845dd2e..21edbcc 100644
--- a/config/languages.el
+++ b/config/languages.el
@@ -16,6 +16,7 @@
 (load "~/.emacs.d/languages/js.elc")
 (load "~/.emacs.d/languages/sql.elc")
 (load "~/.emacs.d/languages/haskell.elc")
+(load "~/.emacs.d/languages/go.elc")
 
 ;;; Java
 (defun java-mode-config ()
diff --git a/config/packages.el b/config/packages.el
index 572afbd..c20a9b3 100644
--- a/config/packages.el
+++ b/config/packages.el
@@ -226,6 +226,16 @@
 (unless (package-installed-p 'pyenv-mode)
   (package-install 'pyenv-mode))
 
+;; Go
+(unless (package-installed-p 'go-mode)
+  (package-install 'go-mode))
+
+(unless (package-installed-p 'company-go)
+  (package-install 'company-go))
+
+(unless (package-installed-p 'flymake-go)
+  (package-install 'flymake-go))
+
 ;; SQL
 (unless (package-installed-p 'sql-indent)
   (package-install 'sql-indent))
diff --git a/config/windows.el b/config/windows.el
index ff8f396..37beb86 100644
--- a/config/windows.el
+++ b/config/windows.el
@@ -17,6 +17,8 @@
              '("test_.*\\.py\\(<.*>\\)?$" . test)) ;; Pytest
 (add-to-list 'purpose-user-regexp-purposes
              '("tests.rs\\(<.*>\\)?$" . test)) ;; Rust tests
+(add-to-list 'purpose-user-regexp-purposes
+             '("_test.go\\(<.*>\\)?$" . test)) ;; Go tests
 
 (add-to-list 'purpose-user-mode-purposes '(shell-mode . test))
 (add-to-list 'purpose-user-mode-purposes '(magit-diff-mode . test))
@@ -41,6 +43,7 @@
 (add-to-list 'purpose-user-mode-purposes '(js-mode . code))
 (add-to-list 'purpose-user-mode-purposes '(emacs-lisp-mode . code))
 (add-to-list 'purpose-user-mode-purposes '(sql-mode . code))
+(add-to-list 'purpose-user-mode-purposes '(go-mode . code))
 
 ;; Other files that fall into 'code'
 (add-to-list 'purpose-user-mode-purposes '(xml-mode . code))
diff --git a/init.el b/init.el
index 45399a1..af21847 100644
--- a/init.el
+++ b/init.el
@@ -27,7 +27,7 @@
  ;; If there is more than one, they won't work right.
  '(package-selected-packages
    (quote
-    (sql-indent json-mode terraform-mode flycheck-rust company-ghc company-ghci scion hlinum etags-select nvm tide yaml-mode window-purpose web-mode ujelly-theme toml-mode smart-mode-line scala-mode rvm ruby-end rspec-mode robe rainbow-mode rainbow-delimiters racer pyenv-mode noctilux-theme monokai-theme markdown-mode less-css-mode json-reformat jade-mode indent-guide helm-themes helm-projectile helm-ag haskell-mode haml-mode groovy-mode flymake-ruby flymake-cursor flycheck flatui-theme exec-path-from-shell evil-nerd-commenter evil-magit evil-leader elpy dumb-jump dockerfile-mode diff-hl dash-at-point company-tern company-racer company-jedi column-enforce-mode color-theme-approximate base16-theme atom-one-dark-theme alchemist aggressive-indent ag)))
+    (flymake-go go-flymake flycheck-go company-go go-mode expand-region sql-indent json-mode terraform-mode flycheck-rust company-ghc company-ghci scion hlinum etags-select nvm tide yaml-mode window-purpose web-mode ujelly-theme toml-mode smart-mode-line scala-mode rvm ruby-end rspec-mode robe rainbow-mode rainbow-delimiters racer pyenv-mode noctilux-theme monokai-theme markdown-mode less-css-mode json-reformat jade-mode indent-guide helm-themes helm-projectile helm-ag haskell-mode haml-mode groovy-mode flymake-ruby flymake-cursor flycheck flatui-theme exec-path-from-shell evil-nerd-commenter evil-magit evil-leader elpy dumb-jump dockerfile-mode diff-hl dash-at-point company-tern company-racer company-jedi column-enforce-mode color-theme-approximate base16-theme atom-one-dark-theme alchemist aggressive-indent ag)))
  '(safe-local-variable-values (quote ((encoding . utf-8)))))
 (custom-set-faces
  ;; custom-set-faces was added by Custom.
diff --git a/languages/go.el b/languages/go.el
new file mode 100644
index 0000000..33239c7
--- /dev/null
+++ b/languages/go.el
@@ -0,0 +1,27 @@
+;;; Go -- summary
+;;; Commentary:
+
+;; Code:
+
+;;========== Editor config =========================
+(defun editor-config-go ()
+  "Editor configuration for Go."
+  (set-indent 4)
+  (set-width-99))
+
+;;========== Code completion =======================
+(defun completion-config-go ()
+  "Code completion and inspection for Go."
+  (company-mode 1)
+  (flycheck-mode 1)
+  (flymake-mode 1)
+  (set (make-local-variable 'company-backends)
+       '((company-go company-capf company-dabbrev-code company-yasnippet
+                        company-files))))
+
+;;========== Hooks =================================
+(add-hook 'go-mode-hook 'editor-config-go)
+(add-hook 'go-mode-hook 'completion-config-go)
+
+(provide 'go)
+;;; go.el ends here