Change how shell env is injected #449

Changes the behavior of the :env setting to fetch the shell variables
immediately on call.

core/core-os.el

@@ -37,12 +37,12 @@
               ;; Emacs picks up. `exec-path-from-shell' fixes this.
               (when (require 'exec-path-from-shell nil t)
                 (def-setting! :env (&rest vars)
-                  "Ensure VARs are grabbed from your shell environment."
-                  `(nconc exec-path-from-shell-variables (list ,@vars)))
+                  "Inject VARS from your shell environment into Emacs."
+                  `(exec-path-from-shell-copy-env (list ,@vars)))
                 (setq exec-path-from-shell-check-startup-files nil
                       exec-path-from-shell-arguments (delete "-i" exec-path-from-shell-arguments))
                 (defvaralias 'exec-path-from-shell-debug 'doom-debug-mode)
-                (add-hook 'emacs-startup-hook #'exec-path-from-shell-initialize)))
+                (exec-path-from-shell-initialize)))
              ((require 'osx-clipboard nil t)
               (osx-clipboard-mode +1))))
 

modules/lang/go/config.el

@@ -1,20 +1,23 @@
 ;;; lang/go/config.el -*- lexical-binding: t; -*-
 
-(set! :env "GOPATH" "GOROOT")
+;;
+;; Plugins
+;;
 
 (def-package! go-mode
   :mode "\\.go$"
   :interpreter "go"
   :config
-  (when (executable-find "goimports")
-    (setq gofmt-command "goimports"))
-
+  (set! :env "GOPATH" "GOROOT")
   (set! :repl 'go-mode #'gorepl-run)
   (set! :lookup 'go-mode
     :definition #'go-guru-definition
     :references #'go-guru-referrers
     :documentation #'godoc-at-point)
 
+  (when (executable-find "goimports")
+    (setq gofmt-command "goimports"))
+
   (setq gofmt-show-errors nil) ; Leave it to flycheck
   (add-hook 'go-mode-hook #'flycheck-mode)
   (add-hook! go-mode

modules/lang/python/config.el

@@ -1,7 +1,5 @@
 ;;; lang/python/config.el -*- lexical-binding: t; -*-
 
-(set! :env "PYTHONPATH" "PYENV_ROOT")
-
 (defvar +python-pyenv-root nil
   "The path to pyenv's root directory. This is automatically set when `python'
 is loaded.")
@@ -26,6 +24,7 @@ is loaded.")
   :config
   (add-hook! 'python-mode-hook #'(flycheck-mode highlight-numbers-mode))
 
+  (set! :env "PYTHONPATH" "PYENV_ROOT")
   (set! :company-backend 'python-mode '(company-anaconda))
   (set! :electric 'python-mode :chars '(?:))
   (set! :repl 'python-mode #'+python/repl)