124 lines
3.9 KiB
EmacsLisp
124 lines
3.9 KiB
EmacsLisp
(require 's)
|
|
;; A few handy functions I use in init.el (or not, but they're nice to
|
|
;; have)
|
|
|
|
(defun custom-download-theme (url filename)
|
|
"Downloads a theme through HTTP and places it in ~/.emacs.d/themes"
|
|
|
|
;; Ensure the directory exists
|
|
(unless (file-exists-p "~/.emacs.d/themes")
|
|
(make-directory "~/.emacs.d/themes"))
|
|
|
|
;; Adds the themes folder to the theme load path (if not already
|
|
;; there)
|
|
(unless (member "~/.emacs.d/themes" custom-theme-load-path)
|
|
(add-to-list 'custom-theme-load-path "~/.emacs.d/themes"))
|
|
|
|
;; Download file if it doesn't exist.
|
|
|
|
(let ((file
|
|
(concat "~/.emacs.d/themes/" filename)))
|
|
(unless (file-exists-p file)
|
|
(url-copy-file url file))))
|
|
|
|
(defun custom-download-script (url filename)
|
|
"Downloads an Elisp script, places it in ~/.emacs/other and then loads it"
|
|
|
|
;; Ensure the directory exists
|
|
(unless (file-exists-p "~/.emacs.d/other")
|
|
(make-directory "~/.emacs.d/other"))
|
|
|
|
;; Download file if it doesn't exist.
|
|
(let ((file
|
|
(concat "~/.emacs.d/other/" filename)))
|
|
(unless (file-exists-p file)
|
|
(url-copy-file url file))
|
|
|
|
(load file)))
|
|
|
|
(defun keychain-password (account &optional keychain)
|
|
"Returns the password for the account, by default it's looked up in the Login.keychain but a
|
|
different keychain can be specified."
|
|
(let ((k (if keychain keychain "Login.keychain")))
|
|
(replace-regexp-in-string
|
|
"\n" ""
|
|
(shell-command-to-string (concat "security find-generic-password -w -a "
|
|
account
|
|
" "
|
|
k)))))
|
|
|
|
;; This clones a git repository to 'foldername in .emacs.d
|
|
;; if there isn't already a folder with that name
|
|
(defun custom-clone-git (url foldername)
|
|
"Clones a git repository to .emacs.d/foldername"
|
|
(let ((fullpath (concat "~/.emacs.d/" foldername)))
|
|
(unless (file-exists-p fullpath)
|
|
(async-shell-command (concat "git clone " url " " fullpath)))))
|
|
|
|
(defun load-file-if-exists (filename)
|
|
(if (file-exists-p filename)
|
|
(load filename)))
|
|
|
|
;; These come from magnars, he's got some awesome things.
|
|
|
|
(defun goto-line-with-feedback ()
|
|
"Show line numbers temporarily, while prompting for the line number input"
|
|
(interactive)
|
|
(unwind-protect
|
|
(progn
|
|
(linum-mode 1)
|
|
(call-interactively 'goto-line))
|
|
(linum-mode -1)))
|
|
|
|
|
|
(defun untabify-buffer ()
|
|
(interactive)
|
|
(untabify (point-min) (point-max)))
|
|
|
|
(defun indent-buffer ()
|
|
(interactive)
|
|
(indent-region (point-min) (point-max)))
|
|
|
|
(defun cleanup-buffer ()
|
|
"Perform a bunch of operations on the whitespace content of a buffer.
|
|
Including indent-buffer, which should not be called automatically on save."
|
|
(interactive)
|
|
(untabify-buffer)
|
|
(delete-trailing-whitespace)
|
|
(indent-buffer))
|
|
|
|
;; These come from the emacs starter kit
|
|
|
|
(defun esk-add-watchwords ()
|
|
(font-lock-add-keywords
|
|
nil '(("\\<\\(FIX\\(ME\\)?\\|TODO\\|DEBUG\\|HACK\\|REFACTOR\\|NOCOMMIT\\)"
|
|
1 font-lock-warning-face t))))
|
|
|
|
(defun esk-sudo-edit (&optional arg)
|
|
(interactive "p")
|
|
(if (or arg (not buffer-file-name))
|
|
(find-file (concat "/sudo:root@localhost:" (read-file-name "File: ")))
|
|
(find-alternate-file (concat "/sudo:root@localhost:" buffer-file-name))))
|
|
|
|
;; Open Fefes blog
|
|
(defun fefes-blog ()
|
|
(interactive)
|
|
(eww "https://blog.fefe.de/"))
|
|
|
|
;; Open this machines NixOS config
|
|
(defun nix-config ()
|
|
(interactive)
|
|
(find-file "/etc/nixos/configuration.nix"))
|
|
|
|
;; Get the nix store path for a given derivation.
|
|
;; If the derivation has not been built before, this will trigger a build.
|
|
(defun nix-store-path (derivation)
|
|
(let ((expr (concat "with import <nixos> {}; " derivation)))
|
|
(s-chomp (shell-command-to-string (concat "nix-build -E '" expr "'")))))
|
|
|
|
(defun insert-nix-store-path ()
|
|
(interactive)
|
|
(let ((derivation (read-string "Derivation name (in <nixos>): ")))
|
|
(insert (nix-store-path derivation))))
|
|
|
|
(provide 'functions)
|