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Diffstat (limited to 'configs/shared/emacs/.emacs.d/elpa/magit-20180719.1904/magit-bisect.el')
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diff --git a/configs/shared/emacs/.emacs.d/elpa/magit-20180719.1904/magit-bisect.el b/configs/shared/emacs/.emacs.d/elpa/magit-20180719.1904/magit-bisect.el new file mode 100644 index 0000000000..c6280712df --- /dev/null +++ b/configs/shared/emacs/.emacs.d/elpa/magit-20180719.1904/magit-bisect.el @@ -0,0 +1,210 @@ +;;; magit-bisect.el --- bisect support for Magit -*- lexical-binding: t -*- + +;; Copyright (C) 2011-2018 The Magit Project Contributors +;; +;; You should have received a copy of the AUTHORS.md file which +;; lists all contributors. If not, see http://magit.vc/authors. + +;; Author: Jonas Bernoulli <jonas@bernoul.li> +;; Maintainer: Jonas Bernoulli <jonas@bernoul.li> + +;; Magit 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, or (at your option) +;; any later version. +;; +;; Magit 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 Magit. If not, see http://www.gnu.org/licenses. + +;;; Commentary: + +;; Use a binary search to find the commit that introduced a bug. + +;;; Code: + +(require 'magit) + +;;; Options + +(defcustom magit-bisect-show-graph t + "Whether to use `--graph' in the log showing commits yet to be bisected." + :package-version '(magit . "2.8.0") + :group 'magit-status + :type 'boolean) + +(defface magit-bisect-good + '((t :foreground "DarkOliveGreen")) + "Face for good bisect revisions." + :group 'magit-faces) + +(defface magit-bisect-skip + '((t :foreground "DarkGoldenrod")) + "Face for skipped bisect revisions." + :group 'magit-faces) + +(defface magit-bisect-bad + '((t :foreground "IndianRed4")) + "Face for bad bisect revisions." + :group 'magit-faces) + +;;; Commands + +;;;###autoload (autoload 'magit-bisect-popup "magit-bisect" nil t) +(magit-define-popup magit-bisect-popup + "Popup console for bisect commands." + :man-page "git-bisect" + :actions '((?B "Start" magit-bisect-start) + (?s "Start script" magit-bisect-run)) + :sequence-actions '((?b "Bad" magit-bisect-bad) + (?g "Good" magit-bisect-good) + (?k "Skip" magit-bisect-skip) + (?r "Reset" magit-bisect-reset) + (?s "Run script" magit-bisect-run)) + :sequence-predicate 'magit-bisect-in-progress-p) + +;;;###autoload +(defun magit-bisect-start (bad good) + "Start a bisect session. + +Bisecting a bug means to find the commit that introduced it. +This command starts such a bisect session by asking for a know +good and a bad commit. To move the session forward use the +other actions from the bisect popup (\ +\\<magit-status-mode-map>\\[magit-bisect-popup])." + (interactive (if (magit-bisect-in-progress-p) + (user-error "Already bisecting") + (magit-bisect-start-read-args))) + (magit-git-bisect "start" (list bad good) t)) + +(defun magit-bisect-start-read-args () + (let ((b (magit-read-branch-or-commit "Start bisect with bad revision"))) + (list b (magit-read-other-branch-or-commit "Good revision" b)))) + +;;;###autoload +(defun magit-bisect-reset () + "After bisecting, cleanup bisection state and return to original `HEAD'." + (interactive) + (magit-confirm 'reset-bisect) + (magit-run-git "bisect" "reset") + (ignore-errors (delete-file (magit-git-dir "BISECT_CMD_OUTPUT")))) + +;;;###autoload +(defun magit-bisect-good () + "While bisecting, mark the current commit as good. +Use this after you have asserted that the commit does not contain +the bug in question." + (interactive) + (magit-git-bisect "good")) + +;;;###autoload +(defun magit-bisect-bad () + "While bisecting, mark the current commit as bad. +Use this after you have asserted that the commit does contain the +bug in question." + (interactive) + (magit-git-bisect "bad")) + +;;;###autoload +(defun magit-bisect-skip () + "While bisecting, skip the current commit. +Use this if for some reason the current commit is not a good one +to test. This command lets Git choose a different one." + (interactive) + (magit-git-bisect "skip")) + +;;;###autoload +(defun magit-bisect-run (cmdline &optional bad good) + "Bisect automatically by running commands after each step. + +Unlike `git bisect run' this can be used before bisecting has +begun. In that case it behaves like `git bisect start; git +bisect run'." + (interactive (let ((args (and (not (magit-bisect-in-progress-p)) + (magit-bisect-start-read-args)))) + (cons (read-shell-command "Bisect shell command: ") args))) + (when (and bad good) + (magit-bisect-start bad good)) + (magit-git-bisect "run" (list shell-file-name shell-command-switch cmdline))) + +(defun magit-git-bisect (subcommand &optional args no-assert) + (unless (or no-assert (magit-bisect-in-progress-p)) + (user-error "Not bisecting")) + (magit-with-toplevel + (magit-run-git-with-logfile + (magit-git-dir "BISECT_CMD_OUTPUT") "bisect" subcommand args))) + +;;; Sections + +(defun magit-bisect-in-progress-p () + (file-exists-p (magit-git-dir "BISECT_LOG"))) + +(defun magit-insert-bisect-output () + "While bisecting, insert section with output from `git bisect'." + (when (magit-bisect-in-progress-p) + (let* ((lines + (or (magit-file-lines (magit-git-dir "BISECT_CMD_OUTPUT")) + (list "Bisecting: (no saved bisect output)" + "It appears you have invoked `git bisect' from a shell." + "There is nothing wrong with that, we just cannot display" + "anything useful here. Consult the shell output instead."))) + (done-re "^\\([a-z0-9]\\{40\\}\\) is the first bad commit$") + (bad-line (or (and (string-match done-re (car lines)) + (pop lines)) + (--first (string-match done-re it) lines)))) + (magit-insert-section ((eval (if bad-line 'commit 'bisect-output)) + (and bad-line (match-string 1 bad-line))) + (magit-insert-heading + (propertize (or bad-line (pop lines)) + 'face 'magit-section-heading)) + (dolist (line lines) + (insert line "\n")))) + (insert "\n"))) + +(defun magit-insert-bisect-rest () + "While bisecting, insert section visualizing the bisect state." + (when (magit-bisect-in-progress-p) + (magit-insert-section (bisect-view) + (magit-insert-heading "Bisect Rest:") + (magit-git-wash (apply-partially 'magit-log-wash-log 'bisect-vis) + "bisect" "visualize" "git" "log" + "--format=%h%d%x00%s" "--decorate=full" + (and magit-bisect-show-graph "--graph"))))) + +(defun magit-insert-bisect-log () + "While bisecting, insert section logging bisect progress." + (when (magit-bisect-in-progress-p) + (magit-insert-section (bisect-log) + (magit-insert-heading "Bisect Log:") + (magit-git-wash #'magit-wash-bisect-log "bisect" "log") + (insert ?\n)))) + +(defun magit-wash-bisect-log (_args) + (let (beg) + (while (progn (setq beg (point-marker)) + (re-search-forward "^\\(git bisect [^\n]+\n\\)" nil t)) + (magit-bind-match-strings (heading) nil + (magit-delete-match) + (save-restriction + (narrow-to-region beg (point)) + (goto-char (point-min)) + (magit-insert-section (bisect-item heading t) + (insert (propertize heading 'face 'magit-section-secondary-heading)) + (magit-insert-heading) + (magit-wash-sequence + (apply-partially 'magit-log-wash-rev 'bisect-log + (magit-abbrev-length))) + (insert ?\n))))) + (when (re-search-forward + "# first bad commit: \\[\\([a-z0-9]\\{40\\}\\)\\] [^\n]+\n" nil t) + (magit-bind-match-strings (hash) nil + (magit-delete-match) + (magit-insert-section (bisect-item) + (insert hash " is the first bad commit\n")))))) + +(provide 'magit-bisect) +;;; magit-bisect.el ends here |