tvl-depot/emacs/wc-helper-functions.el

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(require 'cl)
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(defun wc/open-in-pager (file)
"Opens a file in a simulated pager in emacs."
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(find-file file)
(emacs-pager-mode))
(defun wc/write-quit-kill-buffer ()
"Writes, quits, kills a buffer."
(interactive)
(save-buffer)
(kill-this-buffer))
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;; (defun wc/edit-file-in-emacs (file)
;; "Edits a file in a buffer in Emacs. On :wq, the buffer is deleted and the previous term session restored."
;; (find-file file)
;; (quick-edit-file-mode))
;; (defvar quick-edit-file-mode-map
;; (let ((map (make-sparse-keymap)))
;; (define-key map (kbd "q") 'wc/write-quit-kill-buffer)
;; map)
;; "Keymap for emacs quick-edit file mode.")
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;; (define-derived-mode quick-edit-file-mode fundamental-mode "QuickEdit"
;; "Mode quickly editing files."
;; (setq-local make-backup-files nil)
;; (setq buffer-name "*quick-edit*"))
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;; (defun wc/quick-edit-evil-quit (old-fun &rest args)
;; (if (eq major-mode 'quick-edit-file-mode)
;; (wc/write-quit-kill-buffer)
;; (apply old-fun args)))
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;; (defadvice evil-quit
;; (around wc/quick-edit-quick activate)
;; (wc/quick-edit-evil-quit))
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(defvar emacs-pager-mode-map
(let ((map (make-sparse-keymap)))
(define-key map (kbd "q") 'kill-this-buffer)
map)
"Keymap for emacs pager mode.")
(defcustom emacs-pager-max-line-coloring 500
"Maximum number of lines to ansi-color. If performance is bad when
loading data, reduce this number"
:group 'emacs-pager)
(define-derived-mode emacs-pager-mode fundamental-mode "Pager"
"Mode for viewing data paged by emacs-pager"
(setq-local make-backup-files nil)
(ansi-color-apply-on-region (goto-char (point-min))
(save-excursion
(forward-line emacs-pager-max-line-coloring)
(point)))
(setq buffer-name "*pager*")
(set-buffer-modified-p nil)
(read-only-mode)
(evil-define-key 'normal emacs-pager-mode-map
(kbd "q") 'kill-this-buffer
(kbd "ESC") 'kill-this-buffer))
(defun wc/projectile-shell-pop ()
"Opens `ansi-term' at the project root according to Projectile."
(interactive)
(let* ((project-name (projectile-project-root))
(default-directory project-name)
(buffer-name (format "ansi-term <%s>" project-name)))
(if (get-buffer buffer-name)
(switch-to-buffer buffer-name)
(ansi-term "/bin/zsh" buffer-name))))
(defun wc/ansi-term-project-p (input)
(string-match-p "*ansi-term <[^>]+>*" input))
(defun wc/list-project-terminals ()
"Returns a list of ansi-term buffers with associated projects."
(interactive)
(let ((buffer-names (mapcar 'buffer-name (buffer-list))))
(remove-if-not #'wc/ansi-term-project-p buffer-names)))
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(defun wc/shell-history ()
(setq history (shell-command-to-string "history"))
(split-string history "\n"))
(defun wc/git-branches ()
(setq branches (shell-command-to-string "git branch -a | tr -d '* ' | sed 's/^remotes\\/origin\\///' | sort | uniq"))
(split-string branches "\n"))
(defun wc/autojump-directories ()
(setq directories (shell-command-to-string "j -s | awk '{ if($2 ~ /^\\// && $1 != \"data:\") print;}' | sort -rn | head -n 100 | awk '{print $2}'"))
(split-string directories "\n"))
(defun wc/handle-branch (branch)
(setq action "git diff")
(term-send-raw-string (format "%s %s" action branch)))
(defun wc/exec-cmd (cmd)
(term-send-raw-string (format "%s\n" cmd)))
(defun wc/join-erc ()
"Boots `erc' and autojoins channels."
(interactive)
(erc :server "irc.freenode.net" :port "6667" :nick "wpcarro"))
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(defun wc/expose-global-binding-in-term (binding)
(define-key term-raw-map binding
(lookup-key (current-global-map) binding)))
(defun wc/focus-term-at-bottom ()
"Moves term to the bottom of the page on insert mode."
(interactive)
(end-of-buffer)
(evil-insert-state)
(term-send-raw-string "\b"))
(defun wc/bootstrap-ansi-term ()
"Custom `ansi-term' configuration."
(interactive)
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(goto-address-mode t)
(define-key term-raw-map (kbd "C-c") 'term-interrupt-subjob)
(define-key term-raw-map (kbd "C-h") 'windmove-left)
(define-key term-raw-map (kbd "C-l") 'windmove-right)
(define-key term-raw-map (kbd "C-k") 'windmove-up)
(define-key term-raw-map (kbd "C-j") 'windmove-down)
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(wc/expose-global-binding-in-term (kbd "M-x"))
(evil-define-key 'normal term-raw-map
(kbd "i") 'wc/focus-term-at-bottom)
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(define-key term-raw-map (kbd "C-r") 'wc/helm-shell-history)
(define-key term-raw-map (kbd "C-t") 'wc/helm-ctrl-t-find-files)
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(define-key term-raw-map (kbd "M-:") 'eval-expression)
(define-key term-raw-map (kbd "M-j") 'wc/helm-autojump)
(define-key term-raw-map (kbd "s-v") 'term-paste))
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(defun wc/ansi-term-paste (&optional string)
"Paste into `ansi-term'."
(interactive)
(process-send-string
(get-buffer-process (current-buffer))
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(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)
(setq current-buffer-name (buffer-name (current-buffer)))
(setq buffer-candidates (remove-if #'(lambda (buffer) (string-match-p current-buffer-name (buffer-name buffer))) (buffer-list)))
(wc/do-switch-to-mru-buffer buffer-candidates))
(defun wc/do-switch-to-mru-buffer (buffer-candidates)
(setq buffer-candidate (car buffer-candidates))
(setq rest (cdr buffer-candidates))
(if (string-match-p current-buffer-name (buffer-name buffer-candidate))
(wc/do-switch-to--buffer rest)
(if (eq 0 (list-length buffer-candidates))
(message "No more buffer candidates.")
(if (wc/file-buffer-p buffer-candidate)
(switch-to-buffer buffer-candidate)
(wc/do-switch-to-mru-buffer rest)))))
(defun wc/file-buffer-p (buffer-candidate)
"Returns t if the buffer argument is backed by a file and is therefore presumably a code buffer."
(interactive)
(let ((buff-name (buffer-name buffer-candidate))
(buff-mode (wc/buffer-major-mode buffer-candidate)))
(not (or (string-match-p "*" buff-name)
(member buff-mode '(neotree-mode dired-mode))))))
(defun wc/buffer-major-mode (buffer-handle)
"Returns a buffer's active major-mode."
(with-current-buffer buffer-handle major-mode))
(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"))))