dotfiles-emacs/.emacs.d/config/dev.el

;; magit
(use-package magit
             :ensure t
             :init
             ;; (taken from :open https://r0tty.org/git/dotfiles/emacs/tree/.emacs.d/config/development.el)
             (defun vcsh (repo)
               "Invoke magit on a vcsh repo. This requires an appropriate entry in `tramp-methods'."
               (interactive (let ((repos (delq nil
                                               (mapcar #'(lambda (name)
                                                           (if (string-match ".git$" name)
                                                               (substring name 0 -4)
                                                             nil))
                                                       (directory-files "~/.config/vcsh/repo.d")))))
                              (list (completing-read "Repository: " repos nil t))))
               (magit-status-internal (format "/vcsh:%s:" repo)))
             :config
             ;; Turn on flyspell when writing commit messages
             (add-hook 'git-commit-setup-hook 'git-commit-turn-on-flyspell))

;; rust
(use-package cargo :ensure t)
(use-package cargo-mode :ensure t)
(use-package rust-mode :ensure t)
(use-package flycheck-rust :ensure t)

;; start cargo
(add-hook 'rust-mode-hook 'cargo-minor-mode)

;; yaml
(use-package yaml-mode :ensure t)
(use-package flycheck-yamllint :ensure t)

;; paredit
(use-package paredit :ensure t)
(autoload 'enable-paredit-mode "paredit" "Turn on pseudo-structural editing of Lisp code." t)
(add-hook 'emacs-lisp-mode-hook       #'enable-paredit-mode)
(add-hook 'eval-expression-minibuffer-setup-hook #'enable-paredit-mode)
(add-hook 'ielm-mode-hook             #'enable-paredit-mode)
(add-hook 'lisp-mode-hook             #'enable-paredit-mode)
(add-hook 'lisp-interaction-mode-hook #'enable-paredit-mode)
(add-hook 'scheme-mode-hook           #'enable-paredit-mode)

;; Hack to show only files known to git inside dired; needs the
;; `git-find' shell script shim (taken from :open https://r0tty.org/git/dotfiles/emacs/tree/.emacs.d/config/development.el)
(defun git-dired (dir)
  (interactive (list (read-directory-name "Find files in directory: " nil "" t)))
  (let ((find-program "git-find"))
    (find-dired dir "")))

;; c
(setq c-default-style "linux"
      c-basic-offset 2)

(add-hook 'c-mode-hook
          (lambda ()
            (set-fill-column 100)))

;; enable flyspell checks for comments in code
(add-hook 'prog-mode-hook #'flyspell-prog-mode)