diff options
Diffstat (limited to 'configs/shared/emacs/.emacs.d/elpa/magit-20180719.1904/magit-mode.el')
| -rw-r--r-- | configs/shared/emacs/.emacs.d/elpa/magit-20180719.1904/magit-mode.el | 1360 |
1 files changed, 1360 insertions, 0 deletions
diff --git a/configs/shared/emacs/.emacs.d/elpa/magit-20180719.1904/magit-mode.el b/configs/shared/emacs/.emacs.d/elpa/magit-20180719.1904/magit-mode.el new file mode 100644 index 000000000000..22dced2f6fb9 --- /dev/null +++ b/configs/shared/emacs/.emacs.d/elpa/magit-20180719.1904/magit-mode.el @@ -0,0 +1,1360 @@ +;;; magit-mode.el --- create and refresh Magit buffers -*- lexical-binding: t -*- + +;; Copyright (C) 2010-2018 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: + +;; This library implements the abstract major-mode `magit-mode' from +;; which almost all other Magit major-modes derive. The code in here +;; is mostly concerned with creating and refreshing Magit buffers. + +;;; Code: + +(require 'cl-lib) +(require 'dash) + +(require 'magit-section) +(require 'magit-git) +(require 'magit-popup) + +;; For `magit-display-buffer-fullcolumn-most-v1' from `git-commit' +(defvar git-commit-mode) +;; For `magit-xref-insert-buttons' from `magit' +(defvar magit-diff-show-xref-buttons) +(defvar magit-revision-show-xref-buttons) +;; For `magit-refresh' and `magit-refresh-all' +(declare-function magit-auto-revert-buffers "magit-autorevert" ()) +;; For `magit-refresh-buffer' +(declare-function magit-process-unset-mode-line-error-status "magit-process" ()) + +(require 'format-spec) +(require 'help-mode) + +;;; Options + +(defcustom magit-mode-hook + '(magit-load-config-extensions + magit-xref-setup) + "Hook run when entering a mode derived from Magit mode." + :group 'magit-modes + :type 'hook + :options '(magit-load-config-extensions + magit-xref-setup + bug-reference-mode)) + +(defcustom magit-mode-setup-hook + '(magit-maybe-save-repository-buffers + magit-set-buffer-margin) + "Hook run by `magit-mode-setup'. + +This is run right after displaying the buffer and right before +generating or updating its content. `magit-mode-hook' and other, +more specific, `magit-mode-*-hook's on the other hand are run +right before displaying the buffer. Usually one of these hooks +should be used instead of this one." + :package-version '(magit . "2.3.0") + :group 'magit-modes + :type 'hook + :options '(magit-maybe-save-repository-buffers + magit-set-buffer-margin)) + +(defcustom magit-pre-refresh-hook '(magit-maybe-save-repository-buffers) + "Hook run before refreshing in `magit-refresh'. + +This hook, or `magit-post-refresh-hook', should be used +for functions that are not tied to a particular buffer. + +To run a function with a particular buffer current, use +`magit-refresh-buffer-hook' and use `derived-mode-p' +inside your function." + :package-version '(magit . "2.4.0") + :group 'magit-refresh + :type 'hook + :options '(magit-maybe-save-repository-buffers)) + +(defcustom magit-post-refresh-hook nil + "Hook run after refreshing in `magit-refresh'. + +This hook, or `magit-pre-refresh-hook', should be used +for functions that are not tied to a particular buffer. + +To run a function with a particular buffer current, use +`magit-refresh-buffer-hook' and use `derived-mode-p' +inside your function." + :package-version '(magit . "2.4.0") + :group 'magit-refresh + :type 'hook) + +(defcustom magit-display-buffer-function 'magit-display-buffer-traditional + "The function used display a Magit buffer. + +All Magit buffers (buffers whose major-modes derive from +`magit-mode') are displayed using `magit-display-buffer', +which in turn uses the function specified here." + :package-version '(magit . "2.3.0") + :group 'magit-buffers + :type '(radio (function-item magit-display-buffer-traditional) + (function-item magit-display-buffer-same-window-except-diff-v1) + (function-item magit-display-buffer-fullframe-status-v1) + (function-item magit-display-buffer-fullframe-status-topleft-v1) + (function-item magit-display-buffer-fullcolumn-most-v1) + (function-item display-buffer) + (function :tag "Function"))) + +(defcustom magit-pre-display-buffer-hook '(magit-save-window-configuration) + "Hook run by `magit-display-buffer' before displaying the buffer." + :package-version '(magit . "2.3.0") + :group 'magit-buffers + :type 'hook + :get 'magit-hook-custom-get + :options '(magit-save-window-configuration)) + +(defcustom magit-post-display-buffer-hook '(magit-maybe-set-dedicated) + "Hook run by `magit-display-buffer' after displaying the buffer." + :package-version '(magit . "2.3.0") + :group 'magit-buffers + :type 'hook + :get 'magit-hook-custom-get + :options '(magit-maybe-set-dedicated)) + +(defcustom magit-generate-buffer-name-function + 'magit-generate-buffer-name-default-function + "The function used to generate the name for a Magit buffer." + :package-version '(magit . "2.3.0") + :group 'magit-buffers + :type '(radio (function-item magit-generate-buffer-name-default-function) + (function :tag "Function"))) + +(defcustom magit-buffer-name-format "%x%M%v: %t%x" + "The format string used to name Magit buffers. + +The following %-sequences are supported: + +`%m' The name of the major-mode, but with the `-mode' suffix + removed. + +`%M' Like \"%m\" but abbreviate `magit-status-mode' as `magit'. + +`%v' The value the buffer is locked to, in parentheses, or an + empty string if the buffer is not locked to a value. + +`%V' Like \"%v\", but the string is prefixed with a space, unless + it is an empty string. + +`%t' The top-level directory of the working tree of the + repository, or if `magit-uniquify-buffer-names' is non-nil + an abbreviation of that. + +`%x' If `magit-uniquify-buffer-names' is nil \"*\", otherwise the + empty string. Due to limitations of the `uniquify' package, + buffer names must end with the path. + +`%T' Obsolete, use \"%t%x\" instead. Like \"%t\", but append an + asterisk if and only if `magit-uniquify-buffer-names' is nil. + +The value should always contain \"%m\" or \"%M\", \"%v\" or +\"%V\", and \"%t\" (or the obsolete \"%T\"). + +If `magit-uniquify-buffer-names' is non-nil, then the value must +end with \"%t\" or \"%t%x\" (or the obsolete \"%T\"). See issue +#2841. + +This is used by `magit-generate-buffer-name-default-function'. +If another `magit-generate-buffer-name-function' is used, then +it may not respect this option, or on the contrary it may +support additional %-sequences." + :package-version '(magit . "2.12.0") + :group 'magit-buffers + :type 'string) + +(defcustom magit-uniquify-buffer-names t + "Whether to uniquify the names of Magit buffers." + :package-version '(magit . "2.3.0") + :group 'magit-buffers + :type 'boolean) + +(defcustom magit-bury-buffer-function 'magit-restore-window-configuration + "The function used to bury or kill the current Magit buffer." + :package-version '(magit . "2.3.0") + :group 'magit-buffers + :type '(radio (function-item quit-window) + (function-item magit-mode-quit-window) + (function-item magit-restore-window-configuration) + (function :tag "Function"))) + +(defcustom magit-use-sticky-arguments t + "How to reuse arguments from existing diff and log buffers. + +nil Always use the default value of the variable + `magit-log-arguments' for log commands. Likewise, + always use the default value of the variable + `magit-diff-arguments' for diff command calls. + +current If the mode of the current buffer is derived from + `magit-log-mode' or `magit-diff-mode', reuse the + arguments from that buffer instead of those given by + the variable `magit-log-arguments' or + `magit-diff-arguments', respectively. + +t Like `current', but if the mode of the current buffer + is not derived from `magit-log-mode' or + `magit-diff-mode', use the arguments from the current + repository's active (i.e. non-locked) `magit-log-mode' + or `magit-diff-mode' buffer, respectively, if it + exists. + + Note that commands that generate a + `magit-revision-mode' or `magit-stash-mode' buffer will + also collect their diff arguments from the active + `magit-diff-mode' buffer. + +In general, there is a separation between the \"sticky\" +arguments for log and diff buffers, but there is one special +case: if the current buffer is a log buffer, +`magit-show-commit' (considered a diff command) uses the file +filter from the log buffer." + :package-version '(magit . "2.11.0") + :group 'magit-buffers + :type '(choice (const :tag "disabled" nil) + (const :tag "sticky for current" current) + (const :tag "sticky" t))) + +(defcustom magit-region-highlight-hook + '(magit-section-update-region magit-diff-update-hunk-region) + "Functions used to highlight the region. + +Each function is run with the current section as only argument +until one of them returns non-nil. If all functions return nil, +then fall back to regular region highlighting." + :package-version '(magit . "2.1.0") + :group 'magit-refresh + :type 'hook + :options '(magit-section-update-region magit-diff-update-hunk-region)) + +(defcustom magit-refresh-verbose nil + "Whether to revert Magit buffers verbosely." + :package-version '(magit . "2.1.0") + :group 'magit-refresh + :type 'boolean) + +(defcustom magit-refresh-buffer-hook nil + "Normal hook for `magit-refresh-buffer' to run after refreshing." + :package-version '(magit . "2.1.0") + :group 'magit-refresh + :type 'hook) + +(defcustom magit-refresh-status-buffer t + "Whether the status buffer is refreshed after running git. + +When this is non-nil, then the status buffer is automatically +refreshed after running git for side-effects, in addition to the +current Magit buffer, which is always refreshed automatically. + +Only set this to nil after exhausting all other options to +improve performance." + :package-version '(magit . "2.4.0") + :group 'magit-refresh + :group 'magit-status + :type 'boolean) + +(defcustom magit-save-repository-buffers t + "Whether to save file-visiting buffers when appropriate. + +If non-nil, then all modified file-visiting buffers belonging +to the current repository may be saved before running Magit +commands and before creating or refreshing Magit buffers. +If `dontask', then this is done without user intervention, for +any other non-nil value the user has to confirm each save. + +The default is t to avoid surprises, but `dontask' is the +recommended value." + :group 'magit-essentials + :group 'magit-buffers + :type '(choice (const :tag "Never" nil) + (const :tag "Ask" t) + (const :tag "Save without asking" dontask))) + +(defcustom magit-keep-region-overlay nil + "Whether to keep the region overlay when there is a valid selection. + +By default Magit removes the regular region overlay if, and only +if, that region constitutes a valid selection as understood by +Magit commands. Otherwise it does not remove that overlay, and +the region looks like it would in other buffers. + +There are two types of such valid selections: hunk-internal +regions and regions that select two or more sibling sections. +In such cases Magit removes the region overlay and instead +highlights a slightly larger range. All text (for hunk-internal +regions) or the headings of all sections (for sibling selections) +that are inside that range (not just inside the region) are acted +on by commands such as the staging command. This buffer range +begins at the beginning of the line on which the region begins +and ends at the end of the line on which the region ends. + +Because Magit acts on this larger range and not the region, it is +actually quite important to visualize that larger range. If we +don't do that, then one might think that these commands act on +the region instead. If you want to *also* visualize the region, +then set this option to t. But please note that when the region +does *not* constitute a valid selection, then the region is +*always* visualized as usual, and that it is usually under such +circumstances that you want to use a non-magit command to act on +the region. + +Besides keeping the region overlay, setting this option to t also +causes all face properties, except for `:foreground', to be +ignored for the faces used to highlight headings of selected +sections. This avoids the worst conflicts that result from +displaying the region and the selection overlays at the same +time. We are not interested in dealing with other conflicts. +In fact we *already* provide a way to avoid all of these +conflicts: *not* changing the value of this option. + +It should be clear by now that we consider it a mistake to set +this to display the region when the Magit selection is also +visualized, but since it has been requested a few times and +because it doesn't cost much to offer this option we do so. +However that might change. If the existence of this option +starts complicating other things, then it will be removed." + :package-version '(magit . "2.3.0") + :group 'magit-miscellaneous + :type 'boolean) + +;;; Magit Mode + +(defvar magit-mode-map + (let ((map (make-keymap))) + (suppress-keymap map t) + (cond ((featurep 'jkl) + (define-key map [return] 'magit-visit-thing) + (define-key map [C-return] 'magit-dired-jump) + (define-key map [tab] 'magit-section-toggle) + (define-key map [C-tab] 'magit-section-cycle) + (define-key map [M-tab] 'magit-section-cycle-diffs) + (define-key map [S-tab] 'magit-section-cycle-global) + (define-key map (kbd "M-o") 'magit-section-up) + (define-key map (kbd "i") 'magit-section-backward) + (define-key map (kbd "k") 'magit-section-forward) + (define-key map (kbd "M-i") 'magit-section-backward-sibling) + (define-key map (kbd "M-k") 'magit-section-forward-sibling) + (define-key map (kbd "p") 'magit-push-popup) + (define-key map (kbd ",") 'magit-delete-thing) + (define-key map (kbd ";") 'magit-file-untrack) + (define-key map (kbd "C-c C-i") 'magit-gitignore-popup)) + (t + (define-key map [C-return] 'magit-visit-thing) + (define-key map (kbd "C-m") 'magit-visit-thing) + (define-key map (kbd "C-M-i") 'magit-dired-jump) + (define-key map (kbd "C-i") 'magit-section-toggle) + (define-key map [C-tab] 'magit-section-cycle) + (define-key map [M-tab] 'magit-section-cycle-diffs) + ;; [backtab] is the most portable binding for Shift+Tab. + (define-key map [backtab] 'magit-section-cycle-global) + (define-key map (kbd "^") 'magit-section-up) + (define-key map (kbd "p") 'magit-section-backward) + (define-key map (kbd "n") 'magit-section-forward) + (define-key map (kbd "M-p") 'magit-section-backward-sibling) + (define-key map (kbd "M-n") 'magit-section-forward-sibling) + (define-key map (kbd "P") 'magit-push-popup) + (define-key map (kbd "k") 'magit-delete-thing) + (define-key map (kbd "K") 'magit-file-untrack) + (define-key map (kbd "i") 'magit-gitignore) + (define-key map (kbd "I") 'magit-gitignore-popup))) + (define-key map (kbd "SPC") 'magit-diff-show-or-scroll-up) + (define-key map (kbd "DEL") 'magit-diff-show-or-scroll-down) + (define-key map "+" 'magit-diff-more-context) + (define-key map "-" 'magit-diff-less-context) + (define-key map "0" 'magit-diff-default-context) + (define-key map "1" 'magit-section-show-level-1) + (define-key map "2" 'magit-section-show-level-2) + (define-key map "3" 'magit-section-show-level-3) + (define-key map "4" 'magit-section-show-level-4) + (define-key map (kbd "M-1") 'magit-section-show-level-1-all) + (define-key map (kbd "M-2") 'magit-section-show-level-2-all) + (define-key map (kbd "M-3") 'magit-section-show-level-3-all) + (define-key map (kbd "M-4") 'magit-section-show-level-4-all) + (define-key map "$" 'magit-process-buffer) + (define-key map "%" 'magit-worktree-popup) + (define-key map "a" 'magit-cherry-apply) + (define-key map "A" 'magit-cherry-pick-popup) + (define-key map "b" 'magit-branch-popup) + (define-key map "B" 'magit-bisect-popup) + (define-key map "c" 'magit-commit-popup) + (define-key map "d" 'magit-diff-popup) + (define-key map "D" 'magit-diff-refresh-popup) + (define-key map "e" 'magit-ediff-dwim) + (define-key map "E" 'magit-ediff-popup) + (define-key map "f" 'magit-fetch-popup) + (define-key map "F" 'magit-pull-popup) + (define-key map "g" 'magit-refresh) + (define-key map "G" 'magit-refresh-all) + (define-key map "h" 'magit-dispatch-popup) + (define-key map "?" 'magit-dispatch-popup) + (define-key map "l" 'magit-log-popup) + (define-key map "L" 'magit-log-refresh-popup) + (define-key map "m" 'magit-merge-popup) + (define-key map "M" 'magit-remote-popup) + (define-key map "o" 'magit-submodule-popup) + (define-key map "O" 'magit-subtree-popup) + (define-key map "q" 'magit-mode-bury-buffer) + (define-key map "r" 'magit-rebase-popup) + (define-key map "R" 'magit-file-rename) + (define-key map "t" 'magit-tag-popup) + (define-key map "T" 'magit-notes-popup) + (define-key map "s" 'magit-stage-file) + (define-key map "S" 'magit-stage-modified) + (define-key map "u" 'magit-unstage-file) + (define-key map "U" 'magit-unstage-all) + (define-key map "v" 'magit-revert-no-commit) + (define-key map "V" 'magit-revert-popup) + (define-key map "w" 'magit-am-popup) + (define-key map "W" 'magit-patch-popup) + (define-key map "x" 'magit-reset) + (define-key map "X" 'magit-reset-popup) + (define-key map "y" 'magit-show-refs-popup) + (define-key map "Y" 'magit-cherry) + (define-key map "z" 'magit-stash-popup) + (define-key map "Z" 'magit-stash-popup) + (define-key map ":" 'magit-git-command) + (define-key map "!" 'magit-run-popup) + (define-key map (kbd "C-c C-b") 'magit-browse-thing) + (define-key map (kbd "C-c C-c") 'magit-dispatch-popup) + (define-key map (kbd "C-c C-e") 'magit-dispatch-popup) + (define-key map (kbd "C-x a") 'magit-add-change-log-entry) + (define-key map (kbd "C-x 4 a") 'magit-add-change-log-entry-other-window) + (define-key map (kbd "C-w") 'magit-copy-section-value) + (define-key map (kbd "M-w") 'magit-copy-buffer-revision) + (define-key map [remap evil-previous-line] 'evil-previous-visual-line) + (define-key map [remap evil-next-line] 'evil-next-visual-line) + map) + "Parent keymap for all keymaps of modes derived from `magit-mode'.") + +(defun magit-delete-thing () + "This is a placeholder command. +Where applicable, section-specific keymaps bind another command +which deletes the thing at point." + (interactive) + (user-error "There is no thing at point that could be deleted")) + +(defun magit-visit-thing () + "This is a placeholder command. +Where applicable, section-specific keymaps bind another command +which visits the thing at point." + (interactive) + (if (eq magit-current-popup 'magit-dispatch-popup) + (progn (setq magit-current-popup nil) + (call-interactively (key-binding (this-command-keys)))) + (user-error "There is no thing at point that could be visited"))) + +(defun magit-browse-thing () + "This is a placeholder command. +Where applicable, section-specific keymaps bind another command +which visits the thing at point using `browse-url'." + (interactive) + (user-error "There is no thing at point that could be browsed")) + +(easy-menu-define magit-mode-menu magit-mode-map + "Magit menu" + '("Magit" + ["Refresh" magit-refresh t] + ["Refresh all" magit-refresh-all t] + "---" + ["Stage" magit-stage t] + ["Stage modified" magit-stage-modified t] + ["Unstage" magit-unstage t] + ["Reset index" magit-reset-index t] + ["Commit" magit-commit-popup t] + ["Add log entry" magit-commit-add-log t] + ["Tag" magit-tag t] + "---" + ["Diff working tree" magit-diff-working-tree t] + ["Diff" magit-diff t] + ("Log" + ["Log" magit-log t] + ["Reflog" magit-reflog t] + ["Extended..." magit-log-popup t]) + "---" + ["Cherry pick" magit-cherry-pick t] + ["Revert commit" magit-revert-popup t] + "---" + ["Ignore" magit-gitignore t] + ["Ignore locally" magit-gitignore-locally t] + ["Discard" magit-discard t] + ["Reset head" magit-reset-head t] + ["Stash" magit-stash t] + ["Snapshot" magit-snapshot t] + "---" + ["Branch..." magit-checkout t] + ["Merge" magit-merge t] + ["Ediff resolve" magit-ediff-resolve t] + ["Rebase..." magit-rebase-popup t] + "---" + ["Push" magit-push t] + ["Pull" magit-pull t] + ["Remote update" magit-fetch-all t] + ("Submodule" + ["Submodule update" magit-submodule-update t] + ["Submodule update and init" magit-submodule-setup t] + ["Submodule init" magit-submodule-init t] + ["Submodule sync" magit-submodule-sync t]) + "---" + ("Extensions") + "---" + ["Display Git output" magit-process-buffer t] + ["Quit Magit" magit-mode-bury-buffer t])) + +(defun magit-load-config-extensions () + "Load Magit extensions that are defined at the Git config layer." + (dolist (ext (magit-get-all "magit.extension")) + (let ((sym (intern (format "magit-%s-mode" ext)))) + (when (fboundp sym) + (funcall sym 1))))) + +(define-derived-mode magit-mode special-mode "Magit" + "Parent major mode from which Magit major modes inherit. + +Magit is documented in info node `(magit)'." + :group 'magit-modes + (buffer-disable-undo) + (setq truncate-lines t) + (setq buffer-read-only t) + (setq-local line-move-visual t) ; see #1771 + (setq show-trailing-whitespace nil) + (setq list-buffers-directory (abbreviate-file-name default-directory)) + (hack-dir-local-variables-non-file-buffer) + (make-local-variable 'text-property-default-nonsticky) + (push (cons 'keymap t) text-property-default-nonsticky) + (add-hook 'post-command-hook #'magit-section-update-highlight t t) + (add-hook 'deactivate-mark-hook #'magit-section-update-highlight t t) + (setq-local redisplay-highlight-region-function 'magit-highlight-region) + (setq-local redisplay-unhighlight-region-function 'magit-unhighlight-region) + (when (bound-and-true-p global-linum-mode) + (linum-mode -1)) + (when (and (fboundp 'nlinum-mode) + (bound-and-true-p global-nlinum-mode)) + (nlinum-mode -1)) + (when (and (fboundp 'display-line-numbers-mode) + (bound-and-true-p global-display-line-numbers-mode)) + (display-line-numbers-mode -1)) + (add-hook 'kill-buffer-hook 'magit-preserve-section-visibility-cache)) + +(defvar-local magit-region-overlays nil) + +(defun magit-delete-region-overlays () + (mapc #'delete-overlay magit-region-overlays) + (setq magit-region-overlays nil)) + +(defun magit-highlight-region (start end window rol) + (magit-delete-region-overlays) + (if (and (run-hook-with-args-until-success 'magit-region-highlight-hook + (magit-current-section)) + (not magit-keep-region-overlay) + (not (= (line-number-at-pos start) + (line-number-at-pos end))) + ;; (not (eq (car-safe last-command-event) 'mouse-movement)) + ) + (funcall (default-value 'redisplay-unhighlight-region-function) rol) + (funcall (default-value 'redisplay-highlight-region-function) + start end window rol))) + +(defun magit-unhighlight-region (rol) + (setq magit-section-highlighted-section nil) + (magit-delete-region-overlays) + (funcall (default-value 'redisplay-unhighlight-region-function) rol)) + +(defvar-local magit-refresh-args nil + "The arguments used to refresh the current buffer.") +(put 'magit-refresh-args 'permanent-local t) + +(defvar-local magit-previous-section nil) +(put 'magit-previous-section 'permanent-local t) + +(defun magit-mode-setup (mode &rest args) + "Setup up a MODE buffer using ARGS to generate its content." + (magit-mode-setup-internal mode args)) + +(defun magit-mode-setup-internal (mode args &optional locked) + "Setup up a MODE buffer using ARGS to generate its content. +When optional LOCKED is non-nil, then create a buffer that is +locked to its value, which is derived from MODE and ARGS." + (let ((buffer (magit-mode-get-buffer + mode t nil + (and locked (magit-buffer-lock-value mode args)))) + (section (magit-current-section))) + (with-current-buffer buffer + (setq magit-previous-section section) + (setq magit-refresh-args args) + (funcall mode)) + (magit-display-buffer buffer) + (with-current-buffer buffer + (run-hooks 'magit-mode-setup-hook) + (magit-refresh-buffer)))) + +(defvar magit-display-buffer-noselect nil + "If non-nil, then `magit-display-buffer' doesn't call `select-window'.") + +(defun magit-display-buffer (buffer) + "Display BUFFER in some window and maybe select it. + +Display the buffer using `magit-display-buffer-function' and +then, unless `magit-display-buffer-noselect' is non-nil, select +the window which was used to display the buffer. + +Also run the hooks `magit-pre-display-buffer-hook' +and `magit-post-display-buffer-hook'." + (with-current-buffer buffer + (run-hooks 'magit-pre-display-buffer-hook)) + (let ((window (funcall magit-display-buffer-function buffer))) + (unless magit-display-buffer-noselect + (select-frame-set-input-focus + (window-frame + (select-window window))))) + (with-current-buffer buffer + (run-hooks 'magit-post-display-buffer-hook))) + +(defun magit-display-buffer-traditional (buffer) + "Display BUFFER the way this has traditionally been done." + (display-buffer + buffer (if (and (derived-mode-p 'magit-mode) + (not (memq (with-current-buffer buffer major-mode) + '(magit-process-mode + magit-revision-mode + magit-diff-mode + magit-stash-mode + magit-status-mode)))) + '(display-buffer-same-window) + nil))) ; display in another window + +(defun magit-display-buffer-same-window-except-diff-v1 (buffer) + "Display BUFFER in the selected window except for some modes. +If a buffer's `major-mode' derives from `magit-diff-mode' or +`magit-process-mode', display it in another window. Display all +other buffers in the selected window." + (display-buffer + buffer (if (with-current-buffer buffer + (derived-mode-p 'magit-diff-mode 'magit-process-mode)) + nil ; display in another window + '(display-buffer-same-window)))) + +(defun magit--display-buffer-fullframe (buffer alist) + (when-let ((window (or (display-buffer-reuse-window buffer alist) + (display-buffer-same-window buffer alist) + (display-buffer-pop-up-window buffer alist) + (display-buffer-use-some-window buffer alist)))) + (delete-other-windows window) + window)) + +(defun magit-display-buffer-fullframe-status-v1 (buffer) + "Display BUFFER, filling entire frame if BUFFER is a status buffer. +Otherwise, behave like `magit-display-buffer-traditional'." + (if (eq (with-current-buffer buffer major-mode) + 'magit-status-mode) + (display-buffer buffer '(magit--display-buffer-fullframe)) + (magit-display-buffer-traditional buffer))) + +(defun magit--display-buffer-topleft (buffer alist) + (or (display-buffer-reuse-window buffer alist) + (when-let ((window2 (display-buffer-pop-up-window buffer alist))) + (let ((window1 (get-buffer-window)) + (buffer1 (current-buffer)) + (buffer2 (window-buffer window2)) + (w2-quit-restore (window-parameter window2 'quit-restore))) + (set-window-buffer window1 buffer2) + (set-window-buffer window2 buffer1) + (select-window window2) + ;; Swap some window state that `magit-mode-quit-window' and + ;; `quit-restore-window' inspect. + (set-window-prev-buffers window2 (cdr (window-prev-buffers window1))) + (set-window-prev-buffers window1 nil) + (set-window-parameter window2 'magit-dedicated + (window-parameter window1 'magit-dedicated)) + (set-window-parameter window1 'magit-dedicated t) + (set-window-parameter window1 'quit-restore + (list 'window 'window + (nth 2 w2-quit-restore) + (nth 3 w2-quit-restore))) + (set-window-parameter window2 'quit-restore nil) + window1)))) + +(defun magit-display-buffer-fullframe-status-topleft-v1 (buffer) + "Display BUFFER, filling entire frame if BUFFER is a status buffer. +When BUFFER derives from `magit-diff-mode' or +`magit-process-mode', try to display BUFFER to the top or left of +the current buffer rather than to the bottom or right, as +`magit-display-buffer-fullframe-status-v1' would. Whether the +split is made vertically or horizontally is determined by +`split-window-preferred-function'." + (display-buffer + buffer + (cond ((eq (with-current-buffer buffer major-mode) + 'magit-status-mode) + '(magit--display-buffer-fullframe)) + ((with-current-buffer buffer + (derived-mode-p 'magit-diff-mode 'magit-process-mode)) + '(magit--display-buffer-topleft)) + (t + '(display-buffer-same-window))))) + +(defun magit--display-buffer-fullcolumn (buffer alist) + (when-let ((window (or (display-buffer-reuse-window buffer alist) + (display-buffer-same-window buffer alist) + (display-buffer-below-selected buffer alist)))) + (delete-other-windows-vertically window) + window)) + +(defun magit-display-buffer-fullcolumn-most-v1 (buffer) + "Display BUFFER using the full column except in some cases. +For most cases where BUFFER's `major-mode' derives from +`magit-mode', display it in the selected window and grow that +window to the full height of the frame, deleting other windows in +that column as necessary. However, display BUFFER in another +window if 1) BUFFER's mode derives from `magit-process-mode', or +2) BUFFER's mode derives from `magit-diff-mode', provided that +the mode of the current buffer derives from `magit-log-mode' or +`magit-cherry-mode'." + (display-buffer + buffer + (cond ((and (or git-commit-mode + (derived-mode-p 'magit-log-mode 'magit-cherry-mode)) + (with-current-buffer buffer + (derived-mode-p 'magit-diff-mode))) + nil) + ((with-current-buffer buffer + (derived-mode-p 'magit-process-mode)) + nil) + (t + '(magit--display-buffer-fullcolumn))))) + +(defun magit-maybe-set-dedicated () + "Mark the selected window as dedicated if appropriate. + +If a new window was created to display the buffer, then remember +that fact. That information is used by `magit-mode-quit-window', +to determine whether the window should be deleted when its last +Magit buffer is buried." + (let ((window (get-buffer-window (current-buffer)))) + (when (and (window-live-p window) + (not (window-prev-buffers window))) + (set-window-parameter window 'magit-dedicated t)))) + +(defvar-local magit--default-directory nil + "Value of `default-directory' when buffer is generated. +This exists to prevent a let-bound `default-directory' from +tricking `magit-mode-get-buffer' or `magit-mode-get-buffers' into +thinking a buffer belongs to a repo that it doesn't.") +(put 'magit--default-directory 'permanent-local t) + +(defun magit-mode-get-buffers () + (let ((topdir (magit-toplevel))) + (--filter (with-current-buffer it + (and (derived-mode-p 'magit-mode) + (equal magit--default-directory topdir))) + (buffer-list)))) + +(defvar-local magit-buffer-locked-p nil) +(put 'magit-buffer-locked-p 'permanent-local t) + +(defun magit-mode-get-buffer (mode &optional create frame value) + (if-let ((topdir (magit-toplevel))) + (or (--first (with-current-buffer it + (and (eq major-mode mode) + (equal magit--default-directory topdir) + (if value + (and magit-buffer-locked-p + (equal (magit-buffer-lock-value) value)) + (not magit-buffer-locked-p)))) + (if frame + (mapcar #'window-buffer + (window-list (unless (eq frame t) frame))) + (buffer-list))) + (and create + (let ((default-directory topdir)) + (magit-generate-new-buffer mode value)))) + (magit--not-inside-repository-error))) + +(defun magit-generate-new-buffer (mode &optional value) + (let* ((name (funcall magit-generate-buffer-name-function mode value)) + (buffer (generate-new-buffer name))) + (with-current-buffer buffer + (setq magit--default-directory default-directory) + (setq magit-buffer-locked-p (and value t)) + (magit-restore-section-visibility-cache mode)) + (when magit-uniquify-buffer-names + (add-to-list 'uniquify-list-buffers-directory-modes mode) + (with-current-buffer buffer + (setq list-buffers-directory (abbreviate-file-name default-directory))) + (let ((uniquify-buffer-name-style + (if (memq uniquify-buffer-name-style '(nil forward)) + 'post-forward-angle-brackets + uniquify-buffer-name-style))) + (uniquify-rationalize-file-buffer-names + name (file-name-directory (directory-file-name default-directory)) + buffer))) + buffer)) + +(defun magit-generate-buffer-name-default-function (mode &optional value) + "Generate buffer name for a MODE buffer in the current repository. +The returned name is based on `magit-buffer-name-format' and +takes `magit-uniquify-buffer-names' and VALUE, if non-nil, into +account." + (let ((m (substring (symbol-name mode) 0 -5)) + (v (and value (format "%s" (if (listp value) value (list value))))) + (n (if magit-uniquify-buffer-names + (file-name-nondirectory + (directory-file-name default-directory)) + (abbreviate-file-name default-directory)))) + (format-spec + magit-buffer-name-format + `((?m . ,m) + (?M . ,(if (eq mode 'magit-status-mode) "magit" m)) + (?v . ,(or v "")) + (?V . ,(if v (concat " " v) "")) + (?t . ,n) + (?x . ,(if magit-uniquify-buffer-names "" "*")) + (?T . ,(if magit-uniquify-buffer-names n (concat n "*"))))))) + +(defun magit-toggle-buffer-lock () + "Lock the current buffer to its value or unlock it. + +Locking a buffer to its value prevents it from being reused to +display another value. The name of a locked buffer contains its +value, which allows telling it apart from other locked buffers +and the unlocked buffer. + +Not all Magit buffers can be locked to their values, for example +it wouldn't make sense to lock a status buffer. + +There can only be a single unlocked buffer using a certain +major-mode per repository. So when a buffer is being unlocked +and another unlocked buffer already exists for that mode and +repository, then the former buffer is instead deleted and the +latter is displayed in its place." + (interactive) + (if magit-buffer-locked-p + (if-let ((unlocked (magit-mode-get-buffer major-mode))) + (let ((locked (current-buffer))) + (switch-to-buffer unlocked nil t) + (kill-buffer locked)) + (setq magit-buffer-locked-p nil) + (rename-buffer (funcall magit-generate-buffer-name-function + major-mode))) + (if-let ((value (magit-buffer-lock-value))) + (if-let ((locked (magit-mode-get-buffer major-mode nil nil value))) + (let ((unlocked (current-buffer))) + (switch-to-buffer locked nil t) + (kill-buffer unlocked)) + (setq magit-buffer-locked-p t) + (rename-buffer (funcall magit-generate-buffer-name-function + major-mode value))) + (user-error "Buffer has no value it could be locked to")))) + +(defvar magit-buffer-lock-functions nil + "Provide buffer-locking support for third-party modes. +An alist of symbols to functions. + +The symbol must be the major-mode the locked buffer will have. + +The function must take a list of arguments and return a value +that identifies the buffer (i.e., its 'lock value'). If the +third-party mode is invoked as + + (magit-mode-setup-internal #\\='my-mode \\='(1 2 3) t) + +the function will be invoked as + + (apply lock-func \\='(1 2 3)) + +if the cons (my-mode . lock-func) is in this list. + +This variable is intended for third-party extensions; +`magit-buffer-lock-value' implements all built-in behavior. + +See also `magit-toggle-buffer-lock'.") + +(cl-defun magit-buffer-lock-value + (&optional (mode major-mode) + (args magit-refresh-args)) + "Find an appropriate buffer lock value for MODE under ARGS. +See also `magit-buffer-lock-functions'." + (cl-case mode + (magit-cherry-mode + (pcase-let ((`(,upstream ,head) args)) + (concat head ".." upstream))) + (magit-diff-mode + (pcase-let ((`(,rev-or-range ,const ,_args ,files) args)) + (nconc (cons (or rev-or-range + (if (member "--cached" const) + (progn (setq const (delete "--cached" const)) + 'staged) + 'unstaged)) + const) + (and files (cons "--" files))))) + (magit-log-mode + (pcase-let ((`(,revs ,_args ,files) args)) + (if (and revs files) + (append revs (cons "--" files)) + (append revs files)))) + (magit-refs-mode + (pcase-let ((`(,ref ,args) args)) + (cons (or ref "HEAD") args))) + (magit-revision-mode + (pcase-let ((`(,rev ,_const ,_args ,files) args)) + (if files (cons rev files) (list rev)))) + ((magit-reflog-mode ; (ref ~args) + magit-stash-mode ; (stash _const _args _files) + magit-stashes-mode) ; (ref) + (car args)) + (t + (--when-let (cdr (assq mode magit-buffer-lock-functions)) + (apply it args))))) + +(defun magit-mode-bury-buffer (&optional kill-buffer) + "Bury the current buffer. +With a prefix argument, kill the buffer instead. +This is done using `magit-bury-buffer-function'." + (interactive "P") + (funcall magit-bury-buffer-function kill-buffer)) + +(defun magit-mode-quit-window (kill-buffer) + "Quit the selected window and bury its buffer. + +This behaves similar to `quit-window', but when the window +was originally created to display a Magit buffer and the +current buffer is the last remaining Magit buffer that was +ever displayed in the selected window, then delete that +window." + (if (or (one-window-p) + (--first (let ((buffer (car it))) + (and (not (eq buffer (current-buffer))) + (buffer-live-p buffer) + (or (not (window-parameter nil 'magit-dedicated)) + (with-current-buffer buffer + (derived-mode-p 'magit-mode + 'magit-process-mode))))) + (window-prev-buffers))) + (quit-window kill-buffer) + (let ((window (selected-window))) + (quit-window kill-buffer) + (when (window-live-p window) + (delete-window window))))) + +;;; Refresh Magit Buffers + +(defvar inhibit-magit-refresh nil) + +(defun magit-refresh () + "Refresh some buffers belonging to the current repository. + +Refresh the current buffer if its major mode derives from +`magit-mode', and refresh the corresponding status buffer. + +Run hooks `magit-pre-refresh-hook' and `magit-post-refresh-hook'." + (interactive) + (unless inhibit-magit-refresh + (unwind-protect + (let ((start (current-time)) + (magit--refresh-cache (or magit--refresh-cache + (list (cons 0 0))))) + (when magit-refresh-verbose + (message "Refreshing magit...")) + (magit-run-hook-with-benchmark 'magit-pre-refresh-hook) + (when (derived-mode-p 'magit-mode) + (magit-refresh-buffer)) + (--when-let (and magit-refresh-status-buffer + (not (derived-mode-p 'magit-status-mode)) + (magit-mode-get-buffer 'magit-status-mode)) + (with-current-buffer it + (magit-refresh-buffer))) + (magit-auto-revert-buffers) + (magit-run-hook-with-benchmark 'magit-post-refresh-hook) + (when magit-refresh-verbose + (message "Refreshing magit...done (%.3fs, cached %s/%s)" + (float-time (time-subtract (current-time) start)) + (caar magit--refresh-cache) + (+ (caar magit--refresh-cache) + (cdar magit--refresh-cache))))) + (run-hooks 'magit-unwind-refresh-hook)))) + +(defun magit-refresh-all () + "Refresh all buffers belonging to the current repository. + +Refresh all Magit buffers belonging to the current repository, +and revert buffers that visit files located inside the current +repository. + +Run hooks `magit-pre-refresh-hook' and `magit-post-refresh-hook'." + (interactive) + (magit-run-hook-with-benchmark 'magit-pre-refresh-hook) + (dolist (buffer (magit-mode-get-buffers)) + (with-current-buffer buffer (magit-refresh-buffer))) + (magit-auto-revert-buffers) + (magit-run-hook-with-benchmark 'magit-post-refresh-hook)) + +(defvar-local magit-refresh-start-time nil) + +(defun magit-refresh-buffer () + "Refresh the current Magit buffer." + (setq magit-refresh-start-time (current-time)) + (let ((refresh (intern (format "%s-refresh-buffer" + (substring (symbol-name major-mode) 0 -5)))) + (magit--refresh-cache (or magit--refresh-cache (list (cons 0 0))))) + (when (functionp refresh) + (when magit-refresh-verbose + (message "Refreshing buffer `%s'..." (buffer-name))) + (let* ((buffer (current-buffer)) + (windows + (--mapcat (with-selected-window it + (with-current-buffer buffer + (when-let ((section (magit-current-section))) + (list + (nconc (list it section) + (magit-refresh-get-relative-position)))))) + (or (get-buffer-window-list buffer nil t) + (list (selected-window)))))) + (deactivate-mark) + (setq magit-section-highlight-overlays nil) + (setq magit-section-highlighted-section nil) + (setq magit-section-highlighted-sections nil) + (setq magit-section-unhighlight-sections nil) + (magit-process-unset-mode-line-error-status) + (let ((inhibit-read-only t)) + (erase-buffer) + (save-excursion + (apply refresh magit-refresh-args))) + (dolist (window windows) + (with-selected-window (car window) + (with-current-buffer buffer + (apply #'magit-section-goto-successor (cdr window))))) + (run-hooks 'magit-refresh-buffer-hook) + (magit-section-update-highlight) + (set-buffer-modified-p nil)) + (when magit-refresh-verbose + (message "Refreshing buffer `%s'...done (%.3fs)" (buffer-name) + (float-time (time-subtract (current-time) + magit-refresh-start-time))))))) + +(defun magit-refresh-get-relative-position () + (when-let ((section (magit-current-section))) + (let ((start (oref section start))) + (list (count-lines start (point)) + (- (point) (line-beginning-position)) + (and (magit-hunk-section-p section) + (region-active-p) + (progn (goto-char (line-beginning-position)) + (when (looking-at "^[-+]") (forward-line)) + (while (looking-at "^[ @]") (forward-line)) + (let ((beg (point))) + (cond ((looking-at "^[-+]") + (forward-line) + (while (looking-at "^[-+]") (forward-line)) + (while (looking-at "^ ") (forward-line)) + (forward-line -1) + (regexp-quote (buffer-substring-no-properties + beg (line-end-position)))) + (t t))))))))) + +;;; Save File-Visiting Buffers + +(defvar disable-magit-save-buffers nil) + +(defun magit-pre-command-hook () + (setq disable-magit-save-buffers nil)) +(add-hook 'pre-command-hook #'magit-pre-command-hook) + +(defvar magit-after-save-refresh-buffers nil) + +(defun magit-after-save-refresh-buffers () + (dolist (buffer magit-after-save-refresh-buffers) + (when (buffer-live-p buffer) + (with-current-buffer buffer + (magit-refresh-buffer)))) + (setq magit-after-save-refresh-buffers nil) + (remove-hook 'post-command-hook 'magit-after-save-refresh-buffers)) + +(defun magit-after-save-refresh-status () + "Refresh the status buffer of the current repository. + +This function is intended to be added to `after-save-hook'. + +If the status buffer does not exist or the file being visited in +the current buffer isn't inside the working tree of a repository, +then do nothing. + +Note that refreshing a Magit buffer is done by re-creating its +contents from scratch, which can be slow in large repositories. +If you are not satisfied with Magit's performance, then you +should obviously not add this function to that hook." + (when (and (not disable-magit-save-buffers) + (magit-inside-worktree-p t)) + (--when-let (ignore-errors (magit-mode-get-buffer 'magit-status-mode)) + (add-to-list 'magit-after-save-refresh-buffers it) + (add-hook 'post-command-hook 'magit-after-save-refresh-buffers)))) + +(defun magit-maybe-save-repository-buffers () + "Maybe save file-visiting buffers belonging to the current repository. +Do so if `magit-save-repository-buffers' is non-nil. You should +not remove this from any hooks, instead set that variable to nil +if you so desire." + (when (and magit-save-repository-buffers + (not disable-magit-save-buffers)) + (setq disable-magit-save-buffers t) + (let ((msg (current-message))) + (magit-save-repository-buffers + (eq magit-save-repository-buffers 'dontask)) + (when (and msg + (current-message) + (not (equal msg (current-message)))) + (message "%s" msg))))) + +(add-hook 'magit-pre-refresh-hook #'magit-maybe-save-repository-buffers) +(add-hook 'magit-pre-call-git-hook #'magit-maybe-save-repository-buffers) +(add-hook 'magit-pre-start-git-hook #'magit-maybe-save-repository-buffers) + +(defvar-local magit-inhibit-refresh-save nil) + +(defun magit-save-repository-buffers (&optional arg) + "Save file-visiting buffers belonging to the current repository. +After any buffer where `buffer-save-without-query' is non-nil +is saved without asking, the user is asked about each modified +buffer which visits a file in the current repository. Optional +argument (the prefix) non-nil means save all with no questions." + (interactive "P") + (when-let ((topdir (magit-rev-parse-safe "--show-toplevel"))) + (let ((remote (file-remote-p topdir)) + (save-some-buffers-action-alist + `((?Y (lambda (buffer) + (with-current-buffer buffer + (setq buffer-save-without-query t) + (save-buffer))) + "to save the current buffer and remember choice") + (?N (lambda (buffer) + (with-current-buffer buffer + (setq magit-inhibit-refresh-save t))) + "to skip the current buffer and remember choice") + ,@save-some-buffers-action-alist))) + (save-some-buffers + arg (lambda () + (and (not magit-inhibit-refresh-save) + buffer-file-name + (file-exists-p (file-name-directory buffer-file-name)) + ;; Avoid needlessly connecting to unrelated remotes. + (equal (file-remote-p buffer-file-name) + remote) + (string-prefix-p topdir (file-truename buffer-file-name)) + (equal (magit-rev-parse-safe "--show-toplevel") + topdir))))))) + +;;; Restore Window Configuration + +(defvar magit-inhibit-save-previous-winconf nil) + +(defvar-local magit-previous-window-configuration nil) +(put 'magit-previous-window-configuration 'permanent-local t) + +(defun magit-save-window-configuration () + "Save the current window configuration. + +Later, when the buffer is buried, it may be restored by +`magit-restore-window-configuration'." + (if magit-inhibit-save-previous-winconf + (when (eq magit-inhibit-save-previous-winconf 'unset) + (setq magit-previous-window-configuration nil)) + (unless (get-buffer-window (current-buffer) (selected-frame)) + (setq magit-previous-window-configuration + (current-window-configuration))))) + +(defun magit-restore-window-configuration (&optional kill-buffer) + "Bury or kill the current buffer and restore previous window configuration." + (let ((winconf magit-previous-window-configuration) + (buffer (current-buffer)) + (frame (selected-frame))) + (quit-window kill-buffer (selected-window)) + (when (and winconf (equal frame (window-configuration-frame winconf))) + (set-window-configuration winconf) + (when (buffer-live-p buffer) + (with-current-buffer buffer + (setq magit-previous-window-configuration nil)))))) + +;;; Buffer History + +(defun magit-go-backward () + "Move backward in current buffer's history." + (interactive) + (if help-xref-stack + (help-xref-go-back (current-buffer)) + (user-error "No previous entry in buffer's history"))) + +(defun magit-go-forward () + "Move forward in current buffer's history." + (interactive) + (if help-xref-forward-stack + (help-xref-go-forward (current-buffer)) + (user-error "No next entry in buffer's history"))) + +(defun magit-insert-xref-buttons (&optional _) + "Insert xref buttons." + (when (or help-xref-stack help-xref-forward-stack) + (when help-xref-stack + (magit-xref-insert-button help-back-label 'magit-xref-backward)) + (when help-xref-forward-stack + (when help-xref-stack + (insert " ")) + (magit-xref-insert-button help-forward-label 'magit-xref-forward)))) + +(defun magit-xref-insert-button (label type) + (magit-insert-section (button label) + (insert-text-button label 'type type + 'help-args (list (current-buffer))))) + +(define-button-type 'magit-xref-backward + :supertype 'help-back + 'mouse-face 'magit-section-highlight + 'help-echo (purecopy "mouse-2, RET: go back to previous history entry")) + +(define-button-type 'magit-xref-forward + :supertype 'help-forward + 'mouse-face 'magit-section-highlight + 'help-echo (purecopy "mouse-2, RET: go back to next history entry")) + +(defun magit-xref-setup () + "Insert backward/forward buttons if the major-mode supports it. +Currently `magit-log-mode', `magit-reflog-mode', +`magit-diff-mode', and `magit-revision-mode' support it" + (when (memq major-mode '(magit-log-mode + magit-reflog-mode + magit-diff-mode + magit-revision-mode)) + (when help-xref-stack-item + (push (cons (point) help-xref-stack-item) help-xref-stack) + (setq help-xref-forward-stack nil)) + (when (called-interactively-p 'interactive) + (--when-let (nthcdr 10 help-xref-stack) + (setcdr it nil))) + (setq help-xref-stack-item + `(magit-xref-restore ,default-directory ,@magit-refresh-args)))) + +(defun magit-xref-restore (&rest args) + (magit-xref-setup) + (setq default-directory (car args)) + (setq magit-refresh-args (cdr args)) + (magit-refresh-buffer)) + +;;; Repository-Local Cache + +(defvar magit-repository-local-cache nil + "Alist mapping `magit-toplevel' paths to alists of key/value pairs.") + +(defun magit-repository-local-repository () + "Return the key for the current repository." + (or (bound-and-true-p magit--default-directory) + (magit-toplevel))) + +(defun magit-repository-local-set (key value &optional repository) + "Set the repository-local VALUE for KEY. + +Unless specified, REPOSITORY is the current buffer's repository. + +If REPOSITORY is nil (meaning there is no current repository), +then the value is not cached, and we return nil." + (let* ((repokey (or repository (magit-repository-local-repository))) + (cache (assoc repokey magit-repository-local-cache))) + ;; Don't cache values for a nil REPOSITORY, as the 'set' and 'get' + ;; calls for some KEY may happen in unrelated contexts. + (when repokey + (if cache + (let ((keyvalue (assoc key (cdr cache)))) + (if keyvalue + ;; Update pre-existing value for key. + (setcdr keyvalue value) + ;; No such key in repository-local cache. + (push (cons key value) (cdr cache)))) + ;; No cache for this repository. + (push (cons repokey (list (cons key value))) + magit-repository-local-cache))))) + +(defun magit-repository-local-exists-p (key &optional repository) + "Non-nil when a repository-local value exists for KEY. + +Returns a (KEY . value) cons cell. + +The KEY is matched using `equal'. + +Unless specified, REPOSITORY is the current buffer's repository." + (let* ((repokey (or repository (magit-repository-local-repository))) + (cache (assoc repokey magit-repository-local-cache))) + (and cache + (assoc key (cdr cache))))) + +(defun magit-repository-local-get (key &optional default repository) + "Return the repository-local value for KEY. + +Return DEFAULT if no value for KEY exists. + +The KEY is matched using `equal'. + +Unless specified, REPOSITORY is the current buffer's repository." + (let ((keyvalue (magit-repository-local-exists-p key repository))) + (if keyvalue + (cdr keyvalue) + default))) + +(defun magit-repository-local-delete (key &optional repository) + "Delete the repository-local value for KEY. + +Unless specified, REPOSITORY is the current buffer's repository." + (let* ((repokey (or repository (magit-repository-local-repository))) + (cache (assoc repokey magit-repository-local-cache))) + (when cache + ;; There is no `assoc-delete-all'. + (setf (cdr cache) + (cl-delete key (cdr cache) :key #'car :test #'equal))))) + +(defun magit-zap-caches () + "Zap caches for the current repository. +Remove the repository's entry from `magit-repository-cache' +and set `magit-section-visibility-cache' to nil in all of the +repository's Magit buffers." + (interactive) + (magit-with-toplevel + (setq magit-repository-local-cache + (cl-delete default-directory + magit-repository-local-cache + :key #'car :test #'equal))) + (dolist (buffer (magit-mode-get-buffers)) + (with-current-buffer buffer + (setq magit-section-visibility-cache nil)))) + +;;; Utilities + +(defun magit-run-hook-with-benchmark (hook) + (when hook + (if magit-refresh-verbose + (let ((start (current-time))) + (message "Running %s..." hook) + (run-hooks hook) + (message "Running %s...done (%.3fs)" hook + (float-time (time-subtract (current-time) start)))) + (run-hooks hook)))) + +(provide 'magit-mode) +;;; magit-mode.el ends here |