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;; gist.el --- Emacs integration for gist.github.com
;; Author: Christian Neukirchen <purl.org/net/chneukirchen>
;; Maintainer: Chris Wanstrath <chris@ozmm.org>
;; Contributors:
;; Will Farrington <wcfarrington@gmail.com>
;; Michael Ivey
;; Phil Hagelberg
;; Version: 0.3
;; Created: 21 Jul 2008
;; Keywords: gist git github paste pastie pastebin
;; This file is NOT part of GNU Emacs.
;; This is free software; you can redistribute it and/or modify it under
;; the terms of the GNU General Public License as published by the Free
;; Software Foundation; either version 2, or (at your option) any later
;; version.
;;
;; This is distributed in the hope that it will be useful, but WITHOUT
;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
;; FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
;; for more details.
;;
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING. If not, write to the
;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
;; MA 02111-1307, USA.
;;; Commentary:
;; Uses your local GitHub config if it can find it.
;; See http://github.com/blog/180-local-github-config
;;; Code:
(eval-when-compile (require 'cl))
(defvar github-username "")
(defvar github-api-key "")
(defvar gist-supported-modes-alist '((action-script-mode . "as")
(c-mode . "c")
(c++-mode . "cpp")
(common-lisp-mode . "lisp")
(css-mode . "css")
(diff-mode . "diff")
(emacs-lisp-mode . "el")
(erlang-mode . "erl")
(haskell-mode . "hs")
(html-mode . "html")
(io-mode . "io")
(java-mode . "java")
(javascript-mode . "js")
(jde-mode . "java")
(js2-mode . "js")
(lua-mode . "lua")
(ocaml-mode . "ml")
(objective-c-mode . "m")
(perl-mode "pl")
(php-mode . "php")
(python-mode . "py")
(ruby-mode . "rb")
(text-mode . "txt")
(sql-mode . "sql")
(scheme-mode . "scm")
(smalltalk-mode . "st")
(sh-mode . "sh")
(tcl-mode . "tcl")
(tex-mode . "tex")
(xml-mode . "xml")))
(defvar gist-view-gist nil
"If non-nil, automatically use `browse-url' to view gists after they're posted.")
;;;###autoload
(defun gist-region (begin end &optional private)
"Post the current region as a new paste at gist.github.com
Copies the URL into the kill ring.
With a prefix argument, makes a private paste."
(interactive "r\nP")
(destructuring-bind (login . token) (github-auth-info)
(let* ((file (or (buffer-file-name) (buffer-name)))
(name (file-name-nondirectory file))
(ext (or (cdr (assoc major-mode gist-supported-modes-alist))
(file-name-extension file)
"txt"))
(url-max-redirections 0)
(url-request-method "POST")
(url-request-data
(gist-make-query-string
`(,@(if private '(("private" . "1")))
("login" . ,login)
("token" . ,token)
("file_ext[gistfile1]" . ,(concat "." ext))
("file_name[gistfile1]" . ,name)
("file_contents[gistfile1]" . ,(buffer-substring begin end))))))
(with-current-buffer (url-retrieve-synchronously "http://gist.github.com/gists")
(re-search-backward "^Location: \\(.*\\)$")
(message "Paste created: %s" (match-string 1))
(if gist-view-gist (browse-url (match-string 1)))
(kill-new (match-string 1))
(kill-buffer (current-buffer))))))
(defun gist-make-query-string (params)
"Returns a query string constructed from PARAMS, which should be
a list with elements of the form (KEY . VALUE). KEY and VALUE
should both be strings."
(mapconcat
(lambda (param)
(concat (url-hexify-string (car param)) "="
(url-hexify-string (cdr param))))
params "&"))
;;;###autoload
(defun gist-region-private (begin end)
"Post the current region as a new private paste at gist.github.com
Copies the URL into the kill ring."
(interactive "r")
(gist-region begin end t))
(defun github-config (key)
"Returns a GitHub specific value from the global Git config."
(let ((strip (lambda (string)
(if (> (length string) 0)
(substring string 0 (- (length string) 1))))))
(funcall strip (shell-command-to-string
(concat "git config --global github." key)))))
(defun github-set-config (key value)
"Sets a GitHub specific value to the global Git config."
(shell-command-to-string (format "git config --global github.%s %s" key value)))
(defun github-auth-info ()
"Returns the user's GitHub authorization information.
Searches for a GitHub username and token in the global git config,
and returns (USERNAME . TOKEN). If nothing is found, prompts
for the info then sets it to the git config."
(interactive)
(let* ((user (github-config "user"))
(token (github-config "token")))
(when (not user)
(setq user (read-string "GitHub username: "))
(github-set-config "user" user))
(when (not token)
(setq token (read-string "GitHub API token: "))
(github-set-config "token" token))
(cons user token)))
;;;###autoload
(defun gist-buffer (&optional private)
"Post the current buffer as a new paste at gist.github.com.
Copies the URL into the kill ring.
With a prefix argument, makes a private paste."
(interactive "P")
(gist-region (point-min) (point-max) private))
;;;###autoload
(defun gist-buffer-private ()
"Post the current buffer as a new private paste at gist.github.com.
Copies the URL into the kill ring."
(interactive)
(gist-region-private (point-min) (point-max)))
;;;###autoload
(defun gist-region-or-buffer (&optional private)
"Post either the current region, or if mark is not set, the current buffer as a new paste at gist.github.com
Copies the URL into the kill ring.
With a prefix argument, makes a private paste."
(interactive "P")
(condition-case nil
(gist-region (point) (mark) private)
(mark-inactive (gist-buffer private))))
;;;###autoload
(defun gist-region-or-buffer-private ()
"Post either the current region, or if mark is not set, the current buffer as a new private paste at gist.github.com
Copies the URL into the kill ring."
(interactive)
(condition-case nil
(gist-region-private (point) (mark))
(mark-inactive (gist-buffer-private))))
(defvar gist-fetch-url "http://gist.github.com/%d.txt"
"Raw Gist content URL format")
;;;###autoload
(defun gist-fetch (id)
"Fetches a Gist and inserts it into a new buffer
If the Gist already exists in a buffer, switches to it"
(interactive "nGist ID: ")
(let* ((gist-buffer-name (format "*gist %d*" id))
(gist-buffer (get-buffer gist-buffer-name)))
(if (bufferp gist-buffer)
(switch-to-buffer-other-window gist-buffer)
(progn
(message "Fetching Gist %d..." id)
(setq gist-buffer
(url-retrieve-synchronously (format gist-fetch-url id)))
(with-current-buffer gist-buffer
(rename-buffer gist-buffer-name t)
(beginning-of-buffer)
(search-forward-regexp "\n\n")
(delete-region (point-min) (point))
(set-buffer-modified-p nil))
(switch-to-buffer-other-window gist-buffer)))))
(provide 'gist)
;;; gist.el ends here.
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