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README.org

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+#+STARTUP: showall
+#+OPTIONS: toc:nil
+
+* flycheck-commit-check v0.1.0
+
+  This is the flycheck-commit-check project. It is a [[http://flycheck.readthedocs.org/en/latest/][Flycheck]] checker
+  that uses [[http://code.ryuslash.org/commit-check/about/][commit-check]] to provide syntax checking for git commit
+  messages.
+
+  The code can be found in ~flycheck-commit-check.el~ in the project
+  source tree.
+
+** Installation
+
+   As with all Emacs packages installation can be done in a number of
+   ways. The only dependencies it has are flycheck and
+   [[https://github.com/magit/git-modes][git-commit-mode]].
+
+   You must, of course, also have commit-check installed on your
+   system and available in your =PATH=.
+
+*** Manual installation
+
+    If you don't (yet) use the Emacs package manager you can install
+    it manually by downloading the code somewhere, adding the path to
+    your =load-path= and either =require=-ing or =eval-after-load=-ing the
+    package, like so:
+
+    #+BEGIN_SRC emacs-lisp
+      (add-to-list 'load-path "/path/to/flycheck-commit-message")
+
+      ;;; Option 1
+      (require 'flycheck-commit-check)
+
+      ;;; Option 2
+      (eval-after-load 'flycheck
+        `(require 'flycheck-commit-check))
+
+      ;;; Option 3 --- Only for Emacs 24 and up
+      (with-eval-after-load 'flycheck
+        (require 'flycheck-commit-check))
+    #+END_SRC
+
+*** Installation with package manager
+
+    To install this package with the Emacs package manager, download
+    the ~flycheck-commit-message.el~ file and call =package-install-file=
+    and then pick the downloaded file. Afterwards you should add
+    something like the following to your Emacs init file:
+
+    #+BEGIN_SRC emacs-lisp
+      (eval-after-load 'flycheck
+        (require 'flycheck-commit-check))
+    #+END_SRC
+
+** Usage
+
+   After installing the package you will have to setup flycheck for
+   git commits, which is easy:
+
+   #+BEGIN_SRC emacs-lisp
+     (add-hook 'git-commit-mode-hook #'flycheck-mode)
+   #+END_SRC
+
+** License
+
+   This project is licensed under the GNU GPLv3, its terms and
+   conditions can be found in the file =COPYING= in the project source
+   tree.

flycheck-commit-check.el

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+;;; flycheck-commit-check.el --- Flycheck checker for commit-check  -*- lexical-binding: t; -*-
+
+;; Copyright (C) 2014  Tom Willemse
+
+;; Author: Tom Willemse <tom@ryuslash.org>
+;; Keywords: convenience
+;; Version: 0.1.0
+
+;; This program 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 3 of the License, or
+;; (at your option) any later version.
+
+;; This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+
+;;; Commentary:
+
+;; A flycheck checker that uses commit-check to provide checking for
+;; git commit messages. Read the README for more information, or go to
+;; http://code.ryuslash.org/flycheck-commit-check/about/
+
+;;; Code:
+
+(require 'flycheck)
+
+(flycheck-define-checker git-commit-check
+  "A git commit checker"
+  :command ("commit-check" "-0" source)
+  :error-patterns ((error line-start "Error on line "
+                          (one-or-more digit) " (actual line "
+                          line "): " (message) line-end))
+  :modes git-commit-mode)
+
+(add-to-list 'flycheck-checkers 'git-commit-check)
+
+(provide 'flycheck-commit-check)
+;;; flycheck-commit-check.el ends here