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git.el: Add support for commit hooks.

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Run the pre-commit and post-commit hooks at appropriate places, and
display their output if any.

Signed-off-by: Alexandre Julliard <julliard@winehq.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Alexandre Julliard 2007-03-17 20:40:12 +01:00 committed by Junio C Hamano
parent 94b9816c5c
commit d55552f6e3
1 changed files with 57 additions and 24 deletions
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81
contrib/emacs/git.el
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@ -1,6 +1,6 @@
;;; git.el --- A user interface for git
;; Copyright (C) 2005, 2006 Alexandre Julliard <julliard@winehq.org>
;; Copyright (C) 2005, 2006, 2007 Alexandre Julliard <julliard@winehq.org>
;; Version: 1.0
@ -213,6 +213,23 @@ and returns the process output as a string."
(error "Failed to run \"git %s\":\n%s" (mapconcat (lambda (x) x) args " ") (buffer-string)))
(message "Running git %s...done" (car args)))
(defun git-run-hook (hook env &rest args)
"Run a git hook and display its output if any."
(let ((dir default-directory)
(hook-name (expand-file-name (concat ".git/hooks/" hook))))
(or (not (file-executable-p hook-name))
(let (status (buffer (get-buffer-create "*Git Hook Output*")))
(with-current-buffer buffer
(erase-buffer)
(cd dir)
(setq status
(if env
(apply #'call-process "env" nil (list buffer t) nil
(append (git-get-env-strings env) (list hook-name) args))
(apply #'call-process hook-name nil (list buffer t) nil args))))
(display-message-or-buffer buffer)
(eq 0 status)))))
(defun git-get-string-sha1 (string)
"Read a SHA1 from the specified string."
(and string
@ -590,6 +607,20 @@ and returns the process output as a string."
(when modified
(apply #'git-run-command nil env "update-index" "--" (git-get-filenames modified)))))
(defun git-run-pre-commit-hook ()
"Run the pre-commit hook if any."
(unless git-status (error "Not in git-status buffer."))
(let ((files (git-marked-files-state 'added 'deleted 'modified)))
(or (not files)
(not (file-executable-p ".git/hooks/pre-commit"))
(let ((index-file (make-temp-file "gitidx")))
(unwind-protect
(let ((head-tree (unless (git-empty-db-p) (git-rev-parse "HEAD^{tree}"))))
(git-read-tree head-tree index-file)
(git-update-index index-file files)
(git-run-hook "pre-commit" `(("GIT_INDEX_FILE" . ,index-file))))
(delete-file index-file))))))
(defun git-do-commit ()
"Perform the actual commit using the current buffer as log message."
(interactive)
@ -622,7 +653,8 @@ and returns the process output as a string."
(git-run-command nil nil "rerere"))
(git-refresh-files)
(git-refresh-ewoc-hf git-status)
(message "Committed %s." commit))
(message "Committed %s." commit)
(git-run-hook "post-commit" nil))
(message "Commit aborted."))))
(message "No files to commit.")))
(delete-file index-file))))))
@ -944,28 +976,29 @@ and returns the process output as a string."
"Commit the marked file(s), asking for a commit message."
(interactive)
(unless git-status (error "Not in git-status buffer."))
(let ((buffer (get-buffer-create "*git-commit*"))
(coding-system (git-get-commits-coding-system))
author-name author-email subject date)
(when (eq 0 (buffer-size buffer))
(when (file-readable-p ".dotest/info")
(with-temp-buffer
(insert-file-contents ".dotest/info")
(goto-char (point-min))
(when (re-search-forward "^Author: \\(.*\\)\nEmail: \\(.*\\)$" nil t)
(setq author-name (match-string 1))
(setq author-email (match-string 2)))
(goto-char (point-min))
(when (re-search-forward "^Subject: \\(.*\\)$" nil t)
(setq subject (match-string 1)))
(goto-char (point-min))
(when (re-search-forward "^Date: \\(.*\\)$" nil t)
(setq date (match-string 1)))))
(git-setup-log-buffer buffer author-name author-email subject date))
(log-edit #'git-do-commit nil #'git-log-edit-files buffer)
(setq font-lock-keywords (font-lock-compile-keywords git-log-edit-font-lock-keywords))
(setq buffer-file-coding-system coding-system)
(re-search-forward (regexp-quote (concat git-log-msg-separator "\n")) nil t)))
(when (git-run-pre-commit-hook)
(let ((buffer (get-buffer-create "*git-commit*"))
(coding-system (git-get-commits-coding-system))
author-name author-email subject date)
(when (eq 0 (buffer-size buffer))
(when (file-readable-p ".dotest/info")
(with-temp-buffer
(insert-file-contents ".dotest/info")
(goto-char (point-min))
(when (re-search-forward "^Author: \\(.*\\)\nEmail: \\(.*\\)$" nil t)
(setq author-name (match-string 1))
(setq author-email (match-string 2)))
(goto-char (point-min))
(when (re-search-forward "^Subject: \\(.*\\)$" nil t)
(setq subject (match-string 1)))
(goto-char (point-min))
(when (re-search-forward "^Date: \\(.*\\)$" nil t)
(setq date (match-string 1)))))
(git-setup-log-buffer buffer author-name author-email subject date))
(log-edit #'git-do-commit nil #'git-log-edit-files buffer)
(setq font-lock-keywords (font-lock-compile-keywords git-log-edit-font-lock-keywords))
(setq buffer-file-coding-system coding-system)
(re-search-forward (regexp-quote (concat git-log-msg-separator "\n")) nil t))))
(defun git-find-file ()
"Visit the current file in its own buffer."