Add company-shell to shell-scripts layer

layers/+lang/shell-scripts/README.org

@@ -5,6 +5,7 @@
 
 * Table of Contents                                         :TOC_4_org:noexport:
  - [[Description][Description]]
+   - [[Features][Features]]
  - [[Install][Install]]
  - [[Key Bindings][Key Bindings]]
 
@@ -18,6 +19,9 @@ Supported scripting files:
 
 *Note:* For Windows scripting see the layer =windows-scripts=
 
+** Features
+- Auto-completion using [[https://github.com/Alexander-Miller/company-shell][company-shell]]
+
 * Install
 To use this configuration layer, add it to your =~/.spacemacs=. You will need to
 add =shell-scripts= to the existing =dotspacemacs-configuration-layers= list in this

layers/+lang/shell-scripts/config.el

@@ -0,0 +1,14 @@
+;;; config.el --- Shell Scripts Layer Configuration File for Spacemacs
+;;
+;; Copyright (c) 2012-2016 Sylvain Benner & Contributors
+;;
+;; Author: Sylvain Benner <sylvain.benner@gmail.com>
+;; URL: https://github.com/syl20bnr/spacemacs
+;;
+;; This file is not part of GNU Emacs.
+;;
+;;; License: GPLv3
+
+;; variables
+(spacemacs|defvar-company-backends sh-mode)
+(spacemacs|defvar-company-backends fish-mode)

layers/+lang/shell-scripts/packages.el

@@ -12,6 +12,8 @@
 (setq shell-scripts-packages
   '(fish-mode
     (sh-script :location built-in)
+    company
+    company-shell
     ))
 
 (defun shell-scripts/init-fish-mode ()
@@ -41,3 +43,18 @@
                    (string-match-p "\\.zsh\\'" buffer-file-name))
           (sh-set-shell "zsh")))
       (add-hook 'sh-mode-hook 'spacemacs//setup-shell))))
+
+
+(when (configuration-layer/layer-usedp 'auto-completion)
+  (defun python/post-init-company ()
+    (spacemacs|add-company-hook sh-mode)
+    (spacemacs|add-company-hook fish-mode))
+
+  (defun shell-scripts/init-company-shell ()
+    (use-package company-shell
+      :if (configuration-layer/package-usedp 'company)
+      :defer t
+      :init
+      (progn
+        (push 'company-shell                      company-backends-sh-mode)
+        (push '(company-shell company-fish-shell) company-backends-fish-mode)))))