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diff --git a/emacs/wc-helper-functions.lisp b/emacs/wc-helper-functions.lisp
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+(defun wc/projectile-shell-pop ()
+  "Opens `ansi-term' at the project root according to Projectile."
+  (interactive)
+  (let ((default-directory (projectile-project-root)))
+    (if (get-buffer "*ansi-term*")
+        (switch-to-buffer "*ansi-term*")
+      (ansi-term "/bin/zsh"))
+    (term-send-string (terminal) (format "cd '%s'\n" default-directory))
+    (get-buffer-process "*ansi-term*")))
+
+
+(defun wc/join-erc ()
+  "Boots `erc' and autojoins channels."
+  (interactive)
+  (erc :server "irc.freenode.net" :port "6667" :nick "wpcarro"))
+
+
+(defun wc/bootstrap-ansi-term ()
+  "Custom `ansi-term' configuration."
+  (interactive)
+  (linum-mode nil)
+  (local-set-key (kbd "C-h") 'evil-window-left)
+  (local-set-key (kbd "C-l") 'evil-window-right)
+  (local-set-key (kbd "C-k") 'evil-window-up)
+  (local-set-key (kbd "C-j") 'evil-window-down)
+  (define-key term-raw-map (kbd "s-v") 'term-paste))
+
+
+(defun wc/ansi-term-paste (&amp;optional string)
+  "Paste into `ansi-term'."
+  (interactive)
+  (process-send-string
+   (get-buffer-process (current-buffer))
+   (if string string (current-kill 0)))))
+
+
+(defun evil-window-vsplit-right ()
+  "Vertically split a window and move right."
+  (interactive)
+  (evil-window-vsplit nil)
+  (evil-window-right 1))
+
+
+(defun evil-window-split-down ()
+  "Split a window and move right."
+  (interactive)
+  (evil-window-split nil)
+  (evil-window-down 1))
+
+
+(defun wc/switch-to-mru-buffer ()
+  "Switches to the most recently used buffer, including visible buffers."
+  (interactive)
+  (switch-to-buffer (other-buffer (current-buffer) t (selected-frame))))
+
+
+(defun *-popwin-help-mode-off ()
+  "Turn `popwin-mode' off for *Help* buffers."
+  (when (boundp 'popwin:special-display-config)
+    (customize-set-variable 'popwin:special-display-config
+                            (delq 'help-mode popwin:special-display-config))))
+
+
+(defun *-popwin-help-mode-on ()
+  "Turn `popwin-mode' on for *Help* buffers."
+  (when (boundp 'popwin:special-display-config)
+    (customize-set-variable 'popwin:special-display-config
+                            (add-to-list 'popwin:special-display-config 'help-mode nil #'eq))))
+
+
+(defun wc/custom-erlang-mode-hook ()
+  "Jump to and from Elixir, Erlang, Elixir files."
+  (define-key erlang-mode-map (kbd "M-,") 'alchemist-goto-jump-back))
+
+
+(defun helm-ag-neotree-node ()
+  "Run Helm-ag on Neotree directory."
+  (interactive)
+  (let ((search-root (neo-buffer--get-filename-current-line)))
+    (if search-root
+        ;; search directory
+        (progn
+          (evil-window-right 1)
+          (helm-ag search-root))
+      (message "Could not find directory at point."))))
+
+
+(defun neotree-toggle-project-dir ()
+  "Toggle neotree sidebar."
+  (interactive)
+  (let ((project-dir (projectile-project-root))
+        (file-name (buffer-file-name)))
+    (neotree-toggle)
+    (if project-dir
+        (if (neo-global--window-exists-p)
+            (progn
+              (neotree-dir project-dir)
+              (neotree-show)
+              (evil-window-mru)))
+      (message "Could not find git project root."))))
+
+
+(defun neotree-reveal-current-buffer ()
+  "Reveal current buffer in Neotree."
+  (interactive)
+  (let ((project-dir (projectile-project-root))
+        (file-name (buffer-file-name)))
+    (neotree-show)
+    (if project-dir
+        (if (neo-global--window-exists-p)
+            (progn
+              (neotree-dir project-dir)
+              (neotree-find file-name)
+              (evil-window-mru)))
+      (message "Could not find git project root."))))
+
+
+(defun save-buffer-always ()
+  "Save the buffer even if it is not modified."
+  (interactive)
+  (set-buffer-modified-p t)
+  (save-buffer))
+(global-set-key (kbd "C-x C-s") nil)
+(global-set-key (kbd "C-x C-s") 'save-buffer-always)
+
+
+;; Upgrade all packages
+(defun package-upgrade-all ()
+  "Upgrade all packages automatically without showing *Packages* buffer."
+  (interactive)
+  (package-refresh-contents)
+  (let (upgrades)
+    (cl-flet ((get-version (name where)
+                           (let ((pkg (cadr (assq name where))))
+                             (when pkg
+                               (package-desc-version pkg)))))
+      (dolist (package (mapcar #'car package-alist))
+        (let ((in-archive (get-version package package-archive-contents)))
+          (when (and in-archive
+                     (version-list-< (get-version package package-alist)
+                                     in-archive))
+            (push (cadr (assq package package-archive-contents))
+                  upgrades)))))
+    (if upgrades
+        (when (yes-or-no-p
+               (message "Upgrade %d package%s (%s)? "
+                        (length upgrades)
+                        (if (= (length upgrades) 1) "" "s")
+                        (mapconcat #'package-desc-full-name upgrades ", ")))
+          (save-window-excursion
+            (dolist (package-desc upgrades)
+              (let ((old-package (cadr (assq (package-desc-name package-desc)
+                                             package-alist))))
+                (package-install package-desc)
+                (package-delete  old-package)))))
+      (message "All packages are up to date"))))
+
+
+
+(defun message-project-root ()
+  "Outputs project-root."
+  (interactive)
+  (let (project-dir (projectile-project-root))
+    (if project-dir
+        (message "Project dir found!")
+      (message "No project-dir found."))))
+
+
+
+;; Upgrade all packages
+(defun package-upgrade-all ()
+  "Upgrade all packages automatically without showing *Packages* buffer."
+  (interactive)
+  (package-refresh-contents)
+  (let (upgrades)
+    (cl-flet ((get-version (name where)
+                           (let ((pkg (cadr (assq name where))))
+                             (when pkg
+                               (package-desc-version pkg)))))
+      (dolist (package (mapcar #'car package-alist))
+        (let ((in-archive (get-version package package-archive-contents)))
+          (when (and in-archive
+                     (version-list-< (get-version package package-alist)
+                                     in-archive))
+            (push (cadr (assq package package-archive-contents))
+                  upgrades)))))
+    (if upgrades
+        (when (yes-or-no-p
+               (message "Upgrade %d package%s (%s)? "
+                        (length upgrades)
+                        (if (= (length upgrades) 1) "" "s")
+                        (mapconcat #'package-desc-full-name upgrades ", ")))
+          (save-window-excursion
+            (dolist (package-desc upgrades)
+              (let ((old-package (cadr (assq (package-desc-name package-desc)
+                                             package-alist))))
+                (package-install package-desc)
+                (package-delete  old-package)))))
+      (message "All packages are up to date"))))