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git.el: Add a commit description to the reflog.

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Add a description of the commit to the reflog using the first line of
the log message, the same way the git-commit script does it.

Signed-off-by: Alexandre Julliard <julliard@winehq.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Alexandre Julliard 2007-04-19 13:16:58 +02:00 committed by Junio C Hamano
parent 9398e5aa16
commit 413689d36f
1 changed files with 28 additions and 14 deletions
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42
contrib/emacs/git.el
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@ -345,9 +345,15 @@ and returns the process output as a string."
(let ((str (git-call-process-env-string nil "symbolic-ref" ref)))
(and str (car (split-string str "\n")))))
(defun git-update-ref (ref val &optional oldval)
(defun git-update-ref (ref newval &optional oldval reason)
"Update a reference by calling git-update-ref."
(apply #'git-call-process-env nil nil "update-ref" ref val (if oldval (list oldval))))
(let ((args (and oldval (list oldval))))
(push newval args)
(push ref args)
(when reason
(push reason args)
(push "-m" args))
(eq 0 (apply #'git-call-process-env nil nil "update-ref" args))))
(defun git-read-tree (tree &optional index-file)
"Read a tree into the index file."
@ -364,8 +370,10 @@ and returns the process output as a string."
"Call git-commit-tree with buffer as input and return the resulting commit SHA1."
(let ((author-name (git-get-committer-name))
(author-email (git-get-committer-email))
(subject "commit (initial): ")
author-date log-start log-end args coding-system-for-write)
(when head
(setq subject "commit: ")
(push "-p" args)
(push head args))
(with-current-buffer buffer
@ -384,22 +392,29 @@ and returns the process output as a string."
(goto-char (point-min))
(while (re-search-forward "^Parent: +\\([0-9a-f]+\\)" nil t)
(unless (string-equal head (match-string 1))
(setq subject "commit (merge): ")
(push "-p" args)
(push (match-string 1) args))))
(setq log-start (point-min)))
(setq log-end (point-max))
(goto-char log-start)
(when (re-search-forward ".*$" nil t)
(setq subject (concat subject (match-string 0))))
(setq coding-system-for-write buffer-file-coding-system))
(git-get-string-sha1
(with-output-to-string
(with-current-buffer standard-output
(let ((env `(("GIT_AUTHOR_NAME" . ,author-name)
("GIT_AUTHOR_EMAIL" . ,author-email)
("GIT_COMMITTER_NAME" . ,(git-get-committer-name))
("GIT_COMMITTER_EMAIL" . ,(git-get-committer-email)))))
(when author-date (push `("GIT_AUTHOR_DATE" . ,author-date) env))
(apply #'git-run-command-region
buffer log-start log-end env
"commit-tree" tree (nreverse args))))))))
(let ((commit
(git-get-string-sha1
(with-output-to-string
(with-current-buffer standard-output
(let ((env `(("GIT_AUTHOR_NAME" . ,author-name)
("GIT_AUTHOR_EMAIL" . ,author-email)
("GIT_COMMITTER_NAME" . ,(git-get-committer-name))
("GIT_COMMITTER_EMAIL" . ,(git-get-committer-email)))))
(when author-date (push `("GIT_AUTHOR_DATE" . ,author-date) env))
(apply #'git-run-command-region
buffer log-start log-end env
"commit-tree" tree (nreverse args))))))))
(and (git-update-ref "HEAD" commit head subject)
commit))))
(defun git-empty-db-p ()
"Check if the git db is empty (no commit done yet)."
@ -662,7 +677,6 @@ and returns the process output as a string."
(if (or (not (string-equal tree head-tree))
(yes-or-no-p "The tree was not modified, do you really want to perform an empty commit? "))
(let ((commit (git-commit-tree buffer tree head)))
(git-update-ref "HEAD" commit head)
(condition-case nil (delete-file ".git/MERGE_HEAD") (error nil))
(condition-case nil (delete-file ".git/MERGE_MSG") (error nil))
(with-current-buffer buffer (erase-buffer))