Replaced :unless slow-computer with (unless slow-computer.

This prevents the installation of these packages on slow computers.

init.el

@@ -1,5 +1,5 @@
 ;;; init.el --- tastytea's Emacs init file.
-;;; Time-stamp: <2019-03-22 09:52:44 CET>
+;;; Time-stamp: <2019-03-22 23:23:38 CET>
 
 ;;; Commentary:
 ;;; I am using this file with Emacs 26, but most of it will probably work with
@@ -148,8 +148,8 @@
    ("M-<up>" . scroll-down-line)))
 
 ;;;;;;;;;;;;;;;;;;;; Programming / C++ ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-(use-package rtags
+(unless slow-computer
-  :unless slow-computer
+  (use-package rtags
     :if (executable-find "llvm-config")
     :if (executable-find "clang++")
     :config
@@ -166,7 +166,7 @@
     :hook
     (c++-mode   . (rtags-start-process-unless-running))
     (c-mode     . (rtags-start-process-unless-running))
-  (kill-emacs . rtags-quit-rdm))
+    (kill-emacs . rtags-quit-rdm)))
 
 (use-package flycheck-rtags
   :after (flycheck rtags)
@@ -191,12 +191,12 @@
   (push 'company-rtags company-backends))
 
 ;; cmake integration.
-(use-package cmake-ide
+(unless slow-computer
-  :unless slow-computer
+  (use-package cmake-ide
     :custom
     (cmake-ide-build-dir "build")
     :config
-  (cmake-ide-setup))
+    (cmake-ide-setup)))
 
 ;;;;;;;;;;;;;;;;;;;; Programming / other ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; Online documentation mode.
@@ -205,16 +205,16 @@
   (prog-mode . turn-on-eldoc-mode))
 
 ;; Syntax checking with many plugins.
-(use-package flycheck
+(unless slow-computer
-  :unless slow-computer
+  (use-package flycheck
     :config
-  (global-flycheck-mode))
+    (global-flycheck-mode)))
 
 ;; Autocompletion mode with many plugins.
-(use-package company
+(unless slow-computer
-  :unless slow-computer
+  (use-package company
     :hook
-  (after-init . global-company-mode))
+    (after-init . global-company-mode)))
 
 ;; Fuzzy autocompletion for company.
 (use-package company-flx
@@ -229,8 +229,8 @@
       c-basic-offset 4)
 
 ;; Automatic project management.
-(use-package projectile
+(unless slow-computer
-  :unless slow-computer
+  (use-package projectile
     :after neotree
     :config
     (projectile-mode +1)
@@ -249,7 +249,7 @@
     :bind
     ("C-c p" . 'projectile-command-map)
     (:map projectile-command-map
-        ("k" . 'my/projectile-kill-buffers-and-change-tabbar-grouping)))
+          ("k" . 'my/projectile-kill-buffers-and-change-tabbar-grouping))))
 
 ;; GUI for gdb and other debuggers.
 (use-package realgud
@@ -309,14 +309,14 @@
     (all-the-icons-install-fonts t)))
 
 ;; Themes for doom-modeline.
-(use-package doom-themes
+(unless slow-computer
-  :unless slow-computer
+  (use-package doom-themes
     :after (all-the-icons neotree)
     :custom
     (doom-neotree-file-icons 'icons)
     :config
     (load-theme 'doom-molokai t)
-  (doom-themes-neotree-config))
+    (doom-themes-neotree-config)))
 
 ;; Neat modeline.
 (use-package doom-modeline
@@ -359,8 +359,8 @@
   ("<f8>" . neotree-toggle))
 
 ;; Git integration.
-(use-package magit
+(unless slow-computer
-  :unless slow-computer
+  (use-package magit
     :init
     (use-package git-commit)
     :config
@@ -377,7 +377,7 @@
     ;;       ("q"       . my-magit-kill-buffers))
     :custom
     ;; What's better, mapping q or binding the function here?
-  (magit-bury-buffer-function 'my/magit-kill-buffers))
+    (magit-bury-buffer-function 'my/magit-kill-buffers)))
 
 ;; Draw line in column 80
 (use-package fill-column-indicator
@@ -419,15 +419,15 @@
   (flx-ido-mode t))
 
 ;; Replaces stock emacs completion with ido completion wherever it is possible.
-(use-package ido-completing-read+
+(unless slow-computer
-  :unless slow-computer
+  (use-package ido-completing-read+
     :after ido
     :config
-  (ido-ubiquitous-mode t))
+    (ido-ubiquitous-mode t)))
 
 ;; Advanced tab bar.
-(use-package tabbar-ruler
+(unless slow-computer
-  :unless slow-computer
+  (use-package tabbar-ruler
     :after projectile
     :init
     (setq tabbar-ruler-global-tabbar t)
@@ -465,7 +465,7 @@
                         :background "gray18"
                         :foreground "dark gray"
                         :family "Sans Serif"
-                      :italic t)))
+                        :italic t))))
 
 ;; Visualize whitespace.
 (use-package whitespace
@@ -488,8 +488,8 @@
   (whitespace-space ((nil :foreground "gray18"))))
 
 ;; Spell checking.
-(use-package flyspell
+(unless slow-computer
-  :unless slow-computer
+  (use-package flyspell
     :custom
     (ispell-dictionary "english")
     :config
@@ -505,7 +505,7 @@
     :hook
     ;; Spellcheck comments.
     (c++-mode . flyspell-prog-mode)
-  (c-mode   . flyspell-prog-mode))
+    (c-mode   . flyspell-prog-mode)))
 
 ;; Multiple cursors.
 (use-package multiple-cursors
@@ -622,8 +622,8 @@
 
 ;;;;;;;;;;;;;;;;;;;; Server / Remote editing ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; Edit remote files.
-(use-package tramp
+(unless slow-computer
-  :unless slow-computer
+  (use-package tramp
     :defer 1
     :config
     ;; ssh is faster than scp and supports ports.
@@ -640,7 +640,7 @@
        t)
       ".*:\0? *"))
     ;; Respect remote PATH.
-  (add-to-list 'tramp-remote-path 'tramp-own-remote-path))
+    (add-to-list 'tramp-remote-path 'tramp-own-remote-path)))
 
 ;; Run server if:
 ;; - Our EUID is not 0,