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| author |  David Kastrup <dak@gnu.org> | 2007-07-12 16:48:48 +0200 |
|---|---|---|
| committer |  Junio C Hamano <gitster@pobox.com> | 2007-07-12 14:38:15 -0700 |
| commit | 248c648a0de945ec37af13e0a9b8671da525c323 (patch) | |
| tree | 07030d90c1869fca5eec707581e0a637e9f6c3d5 | |
| parent | Documentation for git-log --follow (diff) | |
| download | tgif-248c648a0de945ec37af13e0a9b8671da525c323.tar.xz | |
Add missing functions to contrib/emacs/vc-git.el
This is necessary to make several editing functions work, like
C-u C-x v =
Signed-off-by: David Kastrup <dak@gnu.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
| -rw-r--r-- | contrib/emacs/vc-git.el | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/contrib/emacs/vc-git.el b/contrib/emacs/vc-git.el index e456ab9712..b8f6be5c0a 100644 --- a/contrib/emacs/vc-git.el +++ b/contrib/emacs/vc-git.el @@ -81,6 +81,71 @@ (match-string 2 str) str))) +(defun vc-git-symbolic-commit (commit) + "Translate COMMIT string into symbolic form. +Returns nil if not possible." + (and commit + (with-temp-buffer + (and + (zerop + (call-process "git" nil '(t nil) nil "name-rev" + "--name-only" "--tags" + commit)) + (goto-char (point-min)) + (= (forward-line 2) 1) + (bolp) + (buffer-substring-no-properties (point-min) (1- (point-max))))))) + +(defun vc-git-previous-version (file rev) + "git-specific version of `vc-previous-version'." + (let ((default-directory (file-name-directory (expand-file-name file))) + (file (file-name-nondirectory file))) + (vc-git-symbolic-commit + (with-temp-buffer + (and + (zerop + (call-process "git" nil '(t nil) nil "rev-list" + "-2" rev "--" file)) + (goto-char (point-max)) + (bolp) + (zerop (forward-line -1)) + (not (bobp)) + (buffer-substring-no-properties + (point) + (1- (point-max)))))))) + +(defun vc-git-next-version (file rev) + "git-specific version of `vc-next-version'." + (let* ((default-directory (file-name-directory + (expand-file-name file))) + (file (file-name-nondirectory file)) + (current-rev + (with-temp-buffer + (and + (zerop + (call-process "git" nil '(t nil) nil "rev-list" + "-1" rev "--" file)) + (goto-char (point-max)) + (bolp) + (zerop (forward-line -1)) + (bobp) + (buffer-substring-no-properties + (point) + (1- (point-max))))))) + (and current-rev + (vc-git-symbolic-commit + (with-temp-buffer + (and + (zerop + (call-process "git" nil '(t nil) nil "rev-list" + "HEAD" "--" file)) + (goto-char (point-min)) + (search-forward current-rev nil t) + (zerop (forward-line -1)) + (buffer-substring-no-properties + (point) + (progn (forward-line 1) (1- (point)))))))))) + (defun vc-git-revert (file &optional contents-done) "Revert FILE to the version stored in the git repository." (if contents-done |