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Diffstat (limited to 'configs/shared/emacs/.emacs.d/elpa/git-timemachine-20180607.820/git-timemachine.el')
| -rw-r--r-- | configs/shared/emacs/.emacs.d/elpa/git-timemachine-20180607.820/git-timemachine.el | 395 |
1 files changed, 0 insertions, 395 deletions
diff --git a/configs/shared/emacs/.emacs.d/elpa/git-timemachine-20180607.820/git-timemachine.el b/configs/shared/emacs/.emacs.d/elpa/git-timemachine-20180607.820/git-timemachine.el deleted file mode 100644 index 1e01e2781705..000000000000 --- a/configs/shared/emacs/.emacs.d/elpa/git-timemachine-20180607.820/git-timemachine.el +++ /dev/null @@ -1,395 +0,0 @@ -;;; git-timemachine.el --- Walk through git revisions of a file - -;; Copyright (C) 2014 Peter Stiernström - -;; Author: Peter Stiernström <peter@stiernstrom.se> -;; Version: 4.6 -;; Package-Version: 20180607.820 -;; URL: https://github.com/pidu/git-timemachine -;; Keywords: git -;; Package-Requires: ((emacs "24.3")) - -;; This file is not part of GNU Emacs - -;; 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: - -;;; Use git-timemachine to browse historic versions of a file with p -;;; (previous) and n (next). - -;;; Code: - -(require 'vc-git) -(require 'cl-lib) - -(defcustom git-timemachine-abbreviation-length 12 - "Number of chars from the full sha1 hash to use for abbreviation." - :type 'integer - :group 'git-timemachine) - -(defcustom git-timemachine-show-minibuffer-details t - "Non-nil means that details of the commit (its hash and date) -will be shown in the minibuffer while navigating commits." - :type 'boolean - :group 'git-timemachine) - -(defface git-timemachine-commit - '((default :weight bold)) - "Face for git timemachine commit sha" - :group 'git-timemachine) - -(defface git-timemachine-minibuffer-detail-face - '((((class color) (background dark)) - :foreground "yellow") - (((class color) (background light)) - :foreground "yellow4")) - "How to display the minibuffer detail" - :group 'git-timemachine) - -(defface git-timemachine-minibuffer-author-face - '((((class color) (background dark)) - :foreground "orange") - (((class color) (background light)) - :foreground "DarkOrange4")) - "How to display the author in minibuffer" - :group 'git-timemachine) - -(defcustom git-timemachine-minibuffer-detail - 'subject - "What to display when `git-timemachine-show-minibuffer-details` is t. -Available values are: -`commit` : The SHA hash of the commit -`subject`: The subject of the commit message" - :type '(radio (const :tag "Commit SHA" commit) (const :tag "Commit Subject" subject)) - :group 'git-timemachine) - -(defcustom git-timemachine-show-author - t - "Prepend author to minibuffer details." - :type 'boolean - :group 'git-timemachine) - -(defcustom git-timemachine-global-git-arguments - '("-c" "log.showSignature=false" "--no-pager") - "Common arguments for all git commands." - :type 'list - :group 'git-timemachine) - -(defvar-local git-timemachine-directory nil) -(defvar-local git-timemachine-revision nil) -(defvar-local git-timemachine-file nil) -(defvar-local git-timemachine--revisions-cache nil) - -(defun git-timemachine-completing-read-fn (&rest args) - "Apply ARGS to `ido-completing-read' if available and fall back to `completing-read'." - (cond - ((fboundp 'ivy-read) (apply 'ivy-read args)) - ((fboundp 'ido-completing-read) (apply 'ido-completing-read args)) - (t (apply 'completing-read args)))) - -(defun git-timemachine--process-file (&rest args) - "Run ‘process-file’ with ARGS and ‘git-timemachine-global-git-arguments’ applied." - (apply #'process-file vc-git-program nil t nil (append git-timemachine-global-git-arguments args))) - -(defun git-timemachine--revisions (&optional git-branch) - "List git revisions of current buffers file. - -When passed a GIT-BRANCH, lists revisions from that branch." - (if git-timemachine--revisions-cache - git-timemachine--revisions-cache - (setq git-timemachine--revisions-cache - (prog2 - (message "Fetching Revisions...") - (let ((default-directory git-timemachine-directory) - (file git-timemachine-file)) - (with-temp-buffer - - (unless (zerop (if git-branch - (git-timemachine--process-file "log" git-branch "--name-only" "--follow" "--pretty=format:%H%x00%ar%x00%ad%x00%s%x00%an" "--" file) - (git-timemachine--process-file "log" "--name-only" "--follow" "--pretty=format:%H%x00%ar%x00%ad%x00%s%x00%an" "--" file))) - (error "Git log command exited with non-zero exit status for file: %s" file)) - - (goto-char (point-min)) - (let ((lines) - (commit-number (/ (1+ (count-lines (point-min) (point-max))) 3))) - (while (not (eobp)) - (let ((line (buffer-substring-no-properties (line-beginning-position) (line-end-position)))) - (string-match "\\([^\0]*\\)\0\\([^\0]*\\)\0\\([^\0]*\\)\0\\(.*\\)\0\\(.*\\)" line) - (let ((commit (match-string 1 line)) - (date-relative (match-string 2 line)) - (date-full (match-string 3 line)) - (subject (match-string 4 line)) - (author (match-string 5 line))) - (forward-line 1) - (let ((file-name (buffer-substring-no-properties (line-beginning-position) (line-end-position)))) - (push (list commit file-name commit-number date-relative date-full subject author) lines)))) - (setq commit-number (1- commit-number)) - (forward-line 2)) - (nreverse lines)))) - (message "Fetching Revisions...done"))))) - -(defun git-timemachine-show-current-revision () - "Show last (current) revision of file." - (interactive) - (git-timemachine-show-revision (car (git-timemachine--revisions)))) - -(defun git-timemachine-show-latest-revision-in-branch (git-branch) - "Show last (current) revision of file in GIT-BRANCH." - (interactive "MGit branch: ") - (git-timemachine-show-revision (car (git-timemachine--revisions git-branch)))) - -(defun git-timemachine--next-revision (revisions) - "Return the revision following the current revision in REVISIONS." - (or (cadr (cl-member (car git-timemachine-revision) revisions :key #'car :test #'string=)) - (car (reverse revisions)))) - -(defun git-timemachine-show-previous-revision () - "Show previous revision of file." - (interactive) - (let ((new-line nil) - (curr-revision git-timemachine-revision) - (new-revision (git-timemachine--next-revision (git-timemachine--revisions))) - (cursor-win-pos (git-timemachine--get-cursor-position))) - (setq new-line (git-timemachine--find-new-current-line curr-revision new-revision (line-number-at-pos))) - (git-timemachine-show-revision new-revision) - (forward-line (- new-line (line-number-at-pos))) - (git-timemachine--set-cursor-position cursor-win-pos))) - -(defun git-timemachine-show-next-revision () - "Show next revision of file." - (interactive) - (let ((new-line nil) - (curr-revision git-timemachine-revision) - (new-revision (git-timemachine--next-revision (reverse (git-timemachine--revisions)))) - (cursor-win-pos (git-timemachine--get-cursor-position))) - (setq new-line (git-timemachine--find-new-current-line curr-revision new-revision (line-number-at-pos))) - (git-timemachine-show-revision new-revision) - (forward-line (- new-line (line-number-at-pos))) - (git-timemachine--set-cursor-position cursor-win-pos))) - -(defun git-timemachine-show-revision-fuzzy () - "Show the revision with the chosen commit message." - (interactive) - (let* ((revisions (git-timemachine--revisions)) - (wanted - (funcall #'git-timemachine-completing-read-fn "Commit message: " - (mapcar (apply-partially #'nth 5) revisions)))) - (git-timemachine-show-revision - (cl-find wanted revisions - :key (apply-partially #'nth 5) - :test #'equal)))) - -(defun git-timemachine-show-nth-revision (rev-number) - "Show the REV-NUMBER revision." - (interactive "nEnter revision number: ") - (let* ((revisions (reverse (git-timemachine--revisions))) - (num-revisions (length revisions)) - (curr-revision git-timemachine-revision) - (new-revision (nth (1- rev-number) revisions)) - (new-line nil) - (cursor-win-pos (git-timemachine--get-cursor-position))) - (if (not new-revision) - (message "Only %d revisions exist." num-revisions) - (setq new-line (git-timemachine--find-new-current-line curr-revision new-revision (line-number-at-pos))) - (git-timemachine-show-revision new-revision) - (forward-line (- new-line (line-number-at-pos))) - (git-timemachine--set-cursor-position cursor-win-pos)))) - -(defun git-timemachine-show-revision (revision) - "Show a REVISION (commit hash) of the current file." - (when revision - (let ((current-position (point)) - (commit (car revision)) - (revision-file-name (nth 1 revision)) - (commit-index (nth 2 revision)) - (date-relative (nth 3 revision)) - (date-full (nth 4 revision)) - (subject (nth 5 revision))) - (setq buffer-read-only nil) - (erase-buffer) - (let ((default-directory git-timemachine-directory) - (process-coding-system-alist (list (cons "" (cons buffer-file-coding-system default-process-coding-system))))) - (git-timemachine--process-file "show" (concat commit ":" revision-file-name))) - (setq buffer-read-only t) - (set-buffer-modified-p nil) - (let* ((revisions (git-timemachine--revisions)) - (n-of-m (format "(%d/%d %s)" commit-index (length revisions) date-relative))) - (setq mode-line-buffer-identification - (list (propertized-buffer-identification "%12b") "@" - (propertize (git-timemachine-abbreviate commit) 'face 'git-timemachine-commit) " name:" revision-file-name" " n-of-m))) - (setq git-timemachine-revision revision) - (goto-char current-position) - (when git-timemachine-show-minibuffer-details - (git-timemachine--show-minibuffer-details revision))))) - -(defun git-timemachine--show-minibuffer-details (revision) - "Show details for REVISION in minibuffer." - (let* ((date-relative (nth 3 revision)) - (date-full (nth 4 revision)) - (author (if git-timemachine-show-author (concat (nth 6 revision) ": ") "")) - (sha-or-subject (if (eq git-timemachine-minibuffer-detail 'commit) (car revision) (nth 5 revision)))) - (message "%s%s [%s (%s)]" - (propertize author 'face 'git-timemachine-minibuffer-author-face) - (propertize sha-or-subject 'face 'git-timemachine-minibuffer-detail-face) date-full date-relative))) - -(defun git-timemachine--find-new-current-line (curr-revision new-revision current-line) - "Return the new current line after a revision jump." - (let* ((revisions (reverse (git-timemachine--revisions))) - (current-commit (car curr-revision)) - (curr-rev-number (+ (or (cl-position curr-revision revisions) 0) 1)) - (new-commit (car new-revision)) - (new-rev-number (+ (or (cl-position new-revision revisions) 0) 1)) - (new-line nil) - (file git-timemachine-file) - (reverse (< curr-rev-number new-rev-number))) - ;; If no commit change, do nothing - (if (= curr-rev-number new-rev-number) - current-line - ;; Get new current line number using `git-blame` - (with-temp-buffer - (if reverse - (git-timemachine--process-file "blame" "--reverse" "-n" (format "-L %s,%s" current-line current-line) file (format "%s..%s" current-commit new-commit)) - (git-timemachine--process-file "blame" "-n" (format "-L %s,%s" current-line current-line) file (format "%s..%s" new-commit current-commit))) - (goto-char (point-min)) - ;; If end-of-buffer problem - (when (search-forward-regexp "^fatal: file .+ has only .+ lines" nil t) - (setq current-line (- current-line 1)) - (erase-buffer) - (if reverse - (git-timemachine--process-file "blame" "--reverse" "-n" (format "-L %s,%s" current-line current-line) file (format "%s..%s" current-commit new-commit)) - (git-timemachine--process-file "blame" "-n" (format "-L %s,%s" current-line current-line) file (format "%s..%s" new-commit current-commit)))) - (goto-char (point-min)) - (search-forward-regexp "^[^ ]+ \\([^ ]+\\)") - (setq new-line (string-to-number (match-string 1))) - ;; In case git blame doesn't give what we expect - (when (= new-line 0) (setq new-line current-line)) - new-line)))) - -(defun git-timemachine--get-cursor-position () - "Return the cursor visual line number with respect to the -current window first line" - (let* ((win-point-min (save-excursion (move-to-window-line 0) (point))) - (cur-pos (count-screen-lines win-point-min (point)))) - cur-pos)) - -(defun git-timemachine--set-cursor-position (POS) - "Set the cursor position to the POS visual line with -respect to the window first line" - (recenter POS)) - -(defun git-timemachine-abbreviate (revision) - "Return REVISION abbreviated to `git-timemachine-abbreviation-length' chars." - (substring revision 0 git-timemachine-abbreviation-length)) - -(defun git-timemachine-quit () - "Exit the timemachine." - (interactive) - (kill-buffer)) - -(defun git-timemachine-blame () - "Call magit-blame on current revision." - (interactive) - (if (fboundp 'magit-blame) - (let ((magit-buffer-revision (car git-timemachine-revision))) - (magit-blame)) - (message "You need to install magit for blame capabilities"))) - -(defun git-timemachine-kill-revision () - "Kill the current revisions abbreviated commit hash." - (interactive) - (let ((revision (car git-timemachine-revision))) - (message revision) - (kill-new revision))) - -(defun git-timemachine-kill-abbreviated-revision () - "Kill the current revisions full commit hash." - (interactive) - (let ((revision (git-timemachine-abbreviate (car git-timemachine-revision)))) - (message revision) - (kill-new revision))) - -(define-minor-mode git-timemachine-mode - "Git Timemachine, feel the wings of history." - :init-value nil - :lighter " Timemachine" - :keymap - '(("p" . git-timemachine-show-previous-revision) - ("n" . git-timemachine-show-next-revision) - ("g" . git-timemachine-show-nth-revision) - ("t" . git-timemachine-show-revision-fuzzy) - ("q" . git-timemachine-quit) - ("w" . git-timemachine-kill-abbreviated-revision) - ("W" . git-timemachine-kill-revision) - ("b" . git-timemachine-blame)) - :group 'git-timemachine) - -(defun git-timemachine-validate (file) - "Validate that there is a FILE and that it belongs to a git repository. -Call with the value of 'buffer-file-name." - (unless file - (error "This buffer is not visiting a file")) - (unless (vc-git-registered file) - (error "This file is not git tracked"))) - -(defun git-timemachine--start (get-revision-fn) - "Setup a timemachine buffer and populate it from the result of GET-REVISION-FN." - (setq git-timemachine--revisions-cache nil) - (git-timemachine-validate (buffer-file-name)) - (let ((git-directory (expand-file-name (vc-git-root (buffer-file-name)))) - (file-name (buffer-file-name)) - (timemachine-buffer (format "timemachine:%s" (buffer-name))) - (cur-line (line-number-at-pos)) - (cursor-position (git-timemachine--get-cursor-position)) - (new-line nil) - (mode major-mode) - (coding-system buffer-file-coding-system)) - (with-current-buffer (get-buffer-create timemachine-buffer) - (switch-to-buffer timemachine-buffer) - (setq buffer-file-name file-name) - (setq buffer-file-coding-system coding-system) - (funcall mode) - (setq git-timemachine-directory git-directory - git-timemachine-file (file-relative-name file-name git-directory) - git-timemachine-revision nil) - (funcall get-revision-fn) - (setq new-line (git-timemachine--find-new-current-line git-timemachine-revision (list "HEAD" "" 0 "" "" "" "") cur-line)) ;; Allow to stay on the same line - (goto-char (point-min)) - (forward-line (- new-line 1)) - (git-timemachine--set-cursor-position cursor-position) - (git-timemachine-mode)))) - -;;;###autoload -(defun git-timemachine-toggle () - "Toggle git timemachine mode." - (interactive) - (if (bound-and-true-p git-timemachine-mode) - (git-timemachine-quit) - (git-timemachine))) - -;;;###autoload -(defun git-timemachine () - "Enable git timemachine for file of current buffer." - (interactive) - (git-timemachine--start #'git-timemachine-show-current-revision)) - -;;;###autoload -(defun git-timemachine-switch-branch (git-branch) - "Enable git timemachine for current buffer, switching to GIT-BRANCH." - (interactive (list (git-timemachine-completing-read-fn "Branch to switch to: "(vc-git-branches)))) - (git-timemachine--start (lambda () (git-timemachine-show-latest-revision-in-branch git-branch)))) - -(provide 'git-timemachine) - -;;; git-timemachine.el ends here |