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diff --git a/elpa/magit-20220503.1245/magit-process.el b/elpa/magit-20220503.1245/magit-process.el new file mode 100644 index 0000000..38eacd4 --- /dev/null +++ b/elpa/magit-20220503.1245/magit-process.el @@ -0,0 +1,1220 @@ +;;; magit-process.el --- Process functionality -*- lexical-binding:t -*- + +;; Copyright (C) 2008-2022 The Magit Project Contributors + +;; Author: Jonas Bernoulli <jonas@bernoul.li> +;; Maintainer: Jonas Bernoulli <jonas@bernoul.li> + +;; SPDX-License-Identifier: GPL-3.0-or-later + +;; 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 of the License, 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 <https://www.gnu.org/licenses/>. + +;;; Commentary: + +;; This library implements the tools used to run Git for side-effects. + +;; Note that the functions used to run Git and then consume its +;; output, are defined in `magit-git.el'. There's a bit of overlap +;; though. + +;;; Code: + +(require 'magit-base) +(require 'magit-git) +(require 'magit-mode) + +(require 'ansi-color) +(require 'with-editor) + +;;; Options + +(defcustom magit-process-connection-type (not (eq system-type 'cygwin)) + "Connection type used for the Git process. + +If nil, use pipes: this is usually more efficient, and works on Cygwin. +If t, use ptys: this enables Magit to prompt for passphrases when needed." + :group 'magit-process + :type '(choice (const :tag "pipe" nil) + (const :tag "pty" t))) + +(defcustom magit-need-cygwin-noglob + (and (eq system-type 'windows-nt) + (with-temp-buffer + (let ((process-environment + (append magit-git-environment process-environment))) + (condition-case e + (process-file magit-git-executable + nil (current-buffer) nil + "-c" "alias.echo=!echo" "echo" "x{0}") + (file-error + (lwarn 'magit-process :warning + "Could not run Git: %S" e)))) + (equal "x0\n" (buffer-string)))) + "Whether to use a workaround for Cygwin's globbing behavior. + +If non-nil, add environment variables to `process-environment' to +prevent the git.exe distributed by Cygwin and MSYS2 from +attempting to perform glob expansion when called from a native +Windows build of Emacs. See #2246." + :package-version '(magit . "2.3.0") + :group 'magit-process + :type '(choice (const :tag "Yes" t) + (const :tag "No" nil))) + +(defcustom magit-process-popup-time -1 + "Popup the process buffer if a command takes longer than this many seconds." + :group 'magit-process + :type '(choice (const :tag "Never" -1) + (const :tag "Immediately" 0) + (integer :tag "After this many seconds"))) + +(defcustom magit-process-log-max 32 + "Maximum number of sections to keep in a process log buffer. +When adding a new section would go beyond the limit set here, +then the older half of the sections are remove. Sections that +belong to processes that are still running are never removed. +When this is nil, no sections are ever removed." + :package-version '(magit . "2.1.0") + :group 'magit-process + :type '(choice (const :tag "Never remove old sections" nil) integer)) + +(defvar magit-process-extreme-logging nil + "Whether `magit-process-file' logs to the *Messages* buffer. + +Only intended for temporary use when you try to figure out how +Magit uses Git behind the scene. Output that normally goes to +the magit-process buffer continues to go there. Not all output +goes to either of these two buffers. + +Also see `magit-git-debug'.") + +(defcustom magit-process-error-tooltip-max-lines 20 + "The number of lines for `magit-process-error-lines' to return. + +These are displayed in a tooltip for `mode-line-process' errors. + +If `magit-process-error-tooltip-max-lines' is nil, the tooltip +displays the text of `magit-process-error-summary' instead." + :package-version '(magit . "2.12.0") + :group 'magit-process + :type '(choice (const :tag "Use summary line" nil) + integer)) + +(defcustom magit-credential-cache-daemon-socket + (--some (pcase-let ((`(,prog . ,args) (split-string it))) + (if (and prog + (string-match-p + "\\`\\(?:\\(?:/.*/\\)?git-credential-\\)?cache\\'" prog)) + (or (cl-loop for (opt val) on args + if (string= opt "--socket") + return val) + (expand-file-name "~/.git-credential-cache/socket")))) + ;; Note: `magit-process-file' is not yet defined when + ;; evaluating this form, so we use `process-lines'. + (ignore-errors + (let ((process-environment + (append magit-git-environment process-environment))) + (process-lines magit-git-executable + "config" "--get-all" "credential.helper")))) + "If non-nil, start a credential cache daemon using this socket. + +When using Git's cache credential helper in the normal way, Emacs +sends a SIGHUP to the credential daemon after the git subprocess +has exited, causing the daemon to also quit. This can be avoided +by starting the `git-credential-cache--daemon' process directly +from Emacs. + +The function `magit-maybe-start-credential-cache-daemon' takes +care of starting the daemon if necessary, using the value of this +option as the socket. If this option is nil, then it does not +start any daemon. Likewise if another daemon is already running, +then it starts no new daemon. This function has to be a member +of the hook variable `magit-credential-hook' for this to work. +If an error occurs while starting the daemon, most likely because +the necessary executable is missing, then the function removes +itself from the hook, to avoid further futile attempts." + :package-version '(magit . "2.3.0") + :group 'magit-process + :type '(choice (file :tag "Socket") + (const :tag "Don't start a cache daemon" nil))) + +(defcustom magit-process-yes-or-no-prompt-regexp + (concat " [\[(]" + "\\([Yy]\\(?:es\\)?\\)" + "[/|]" + "\\([Nn]o?\\)" + ;; OpenSSH v8 prints this. See #3969. + "\\(?:/\\[fingerprint\\]\\)?" + "[\])] ?[?:]? ?$") + "Regexp matching Yes-or-No prompts of Git and its subprocesses." + :package-version '(magit . "2.1.0") + :group 'magit-process + :type 'regexp) + +(defcustom magit-process-password-prompt-regexps + '("^\\(Enter \\)?[Pp]assphrase\\( for \\(RSA \\)?key '.*'\\)?: ?$" + ;; Match-group 99 is used to identify the "user@host" part. + "^\\(Enter \\)?[Pp]assword\\( for '?\\(https?://\\)?\\(?99:[^']*\\)'?\\)?: ?$" + "Please enter the passphrase for the ssh key" + "Please enter the passphrase to unlock the OpenPGP secret key" + "^.*'s password: ?$" + "^Token: $" ; For git-credential-manager-core (#4318). + "^Yubikey for .*: ?$" + "^Enter PIN for .*: ?$") + "List of regexps matching password prompts of Git and its subprocesses. +Also see `magit-process-find-password-functions'." + :package-version '(magit . "3.0.0") + :group 'magit-process + :type '(repeat (regexp))) + +(defcustom magit-process-find-password-functions nil + "List of functions to try in sequence to get a password. + +These functions may be called when git asks for a password, which +is detected using `magit-process-password-prompt-regexps'. They +are called if and only if matching the prompt resulted in the +value of the 99th submatch to be non-nil. Therefore users can +control for which prompts these functions should be called by +putting the host name in the 99th submatch, or not. + +If the functions are called, then they are called in the order +given, with the host name as only argument, until one of them +returns non-nil. If they are not called or none of them returns +non-nil, then the password is read from the user instead." + :package-version '(magit . "2.3.0") + :group 'magit-process + :type 'hook + :options '(magit-process-password-auth-source)) + +(defcustom magit-process-username-prompt-regexps + '("^Username for '.*': ?$") + "List of regexps matching username prompts of Git and its subprocesses." + :package-version '(magit . "2.1.0") + :group 'magit-process + :type '(repeat (regexp))) + +(defcustom magit-process-prompt-functions nil + "List of functions used to forward arbitrary questions to the user. + +Magit has dedicated support for forwarding username and password +prompts and Yes-or-No questions asked by Git and its subprocesses +to the user. This can be customized using other options in the +`magit-process' customization group. + +If you encounter a new question that isn't handled by default, +then those options should be used instead of this hook. + +However subprocesses may also ask questions that differ too much +from what the code related to the above options assume, and this +hook allows users to deal with such questions explicitly. + +Each function is called with the process and the output string +as arguments until one of the functions returns non-nil. The +function is responsible for asking the user the appropriate +question using e.g. `read-char-choice' and then forwarding the +answer to the process using `process-send-string'. + +While functions such as `magit-process-yes-or-no-prompt' may not +be sufficient to handle some prompt, it may still be of benefit +to look at the implementations to gain some insights on how to +implement such functions." + :package-version '(magit . "3.0.0") + :group 'magit-process + :type 'hook) + +(defcustom magit-process-ensure-unix-line-ending t + "Whether Magit should ensure a unix coding system when talking to Git." + :package-version '(magit . "2.6.0") + :group 'magit-process + :type 'boolean) + +(defcustom magit-process-display-mode-line-error t + "Whether Magit should retain and highlight process errors in the mode line." + :package-version '(magit . "2.12.0") + :group 'magit-process + :type 'boolean) + +(defface magit-process-ok + '((t :inherit magit-section-heading :foreground "green")) + "Face for zero exit-status." + :group 'magit-faces) + +(defface magit-process-ng + '((t :inherit magit-section-heading :foreground "red")) + "Face for non-zero exit-status." + :group 'magit-faces) + +(defface magit-mode-line-process + '((t :inherit mode-line-emphasis)) + "Face for `mode-line-process' status when Git is running for side-effects." + :group 'magit-faces) + +(defface magit-mode-line-process-error + '((t :inherit error)) + "Face for `mode-line-process' error status. + +Used when `magit-process-display-mode-line-error' is non-nil." + :group 'magit-faces) + +;;; Process Mode + +(defvar magit-process-mode-map + (let ((map (make-sparse-keymap))) + (set-keymap-parent map magit-mode-map) + map) + "Keymap for `magit-process-mode'.") + +(define-derived-mode magit-process-mode magit-mode "Magit Process" + "Mode for looking at Git process output." + :group 'magit-process + (hack-dir-local-variables-non-file-buffer) + (setq magit--imenu-item-types 'process)) + +(defun magit-process-buffer (&optional nodisplay) + "Display the current repository's process buffer. + +If that buffer doesn't exist yet, then create it. +Non-interactively return the buffer and unless +optional NODISPLAY is non-nil also display it." + (interactive) + (let ((topdir (magit-toplevel))) + (unless topdir + (magit--with-safe-default-directory nil + (setq topdir default-directory) + (let (prev) + (while (not (equal topdir prev)) + (setq prev topdir) + (setq topdir (file-name-directory (directory-file-name topdir))))))) + (let ((buffer (or (--first (with-current-buffer it + (and (eq major-mode 'magit-process-mode) + (equal default-directory topdir))) + (buffer-list)) + (let ((default-directory topdir)) + (magit-generate-new-buffer 'magit-process-mode))))) + (with-current-buffer buffer + (if magit-root-section + (when magit-process-log-max + (magit-process-truncate-log)) + (magit-process-mode) + (let ((inhibit-read-only t) + (magit-insert-section--parent nil) + (magit-insert-section--oldroot nil)) + (make-local-variable 'text-property-default-nonsticky) + (magit-insert-section (processbuf) + (insert "\n"))))) + (unless nodisplay + (magit-display-buffer buffer)) + buffer))) + +(defun magit-process-kill () + "Kill the process at point." + (interactive) + (when-let ((process (magit-section-value-if 'process))) + (unless (eq (process-status process) 'run) + (user-error "Process isn't running")) + (magit-confirm 'kill-process) + (kill-process process))) + +;;; Synchronous Processes + +(defvar magit-process-raise-error nil) + +(defun magit-git (&rest args) + "Call Git synchronously in a separate process, for side-effects. + +Option `magit-git-executable' specifies the Git executable. +The arguments ARGS specify arguments to Git, they are flattened +before use. + +Process output goes into a new section in the buffer returned by +`magit-process-buffer'. If Git exits with a non-zero status, +then raise an error." + (let ((magit-process-raise-error t)) + (magit-call-git args))) + +(defun magit-run-git (&rest args) + "Call Git synchronously in a separate process, and refresh. + +Function `magit-git-executable' specifies the Git executable and +option `magit-git-global-arguments' specifies constant arguments. +The arguments ARGS specify arguments to Git, they are flattened +before use. + +After Git returns, the current buffer (if it is a Magit buffer) +as well as the current repository's status buffer are refreshed. + +Process output goes into a new section in the buffer returned by +`magit-process-buffer'." + (let ((magit--refresh-cache (list (cons 0 0)))) + (magit-call-git args) + (when (member (car args) '("init" "clone")) + ;; Creating a new repository invalidates the cache. + (setq magit--refresh-cache nil)) + (magit-refresh))) + +(defvar magit-pre-call-git-hook nil) + +(defun magit-call-git (&rest args) + "Call Git synchronously in a separate process. + +Function `magit-git-executable' specifies the Git executable and +option `magit-git-global-arguments' specifies constant arguments. +The arguments ARGS specify arguments to Git, they are flattened +before use. + +Process output goes into a new section in the buffer returned by +`magit-process-buffer'." + (run-hooks 'magit-pre-call-git-hook) + (let ((default-process-coding-system (magit--process-coding-system))) + (apply #'magit-call-process + (magit-git-executable) + (magit-process-git-arguments args)))) + +(defun magit-call-process (program &rest args) + "Call PROGRAM synchronously in a separate process. +Process output goes into a new section in the buffer returned by +`magit-process-buffer'." + (pcase-let ((`(,process-buf . ,section) + (magit-process-setup program args))) + (magit-process-finish + (let ((inhibit-read-only t)) + (apply #'magit-process-file program nil process-buf nil args)) + process-buf (current-buffer) default-directory section))) + +(defun magit-process-git (destination &rest args) + "Call Git synchronously in a separate process, returning its exit code. +DESTINATION specifies how to handle the output, like for +`call-process', except that file handlers are supported. +Enable Cygwin's \"noglob\" option during the call and +ensure unix eol conversion." + (apply #'magit-process-file + (magit-git-executable) + nil destination nil + (magit-process-git-arguments args))) + +(defun magit-process-file (process &optional infile buffer display &rest args) + "Process files synchronously in a separate process. +Identical to `process-file' but temporarily enable Cygwin's +\"noglob\" option during the call and ensure unix eol +conversion." + (when magit-process-extreme-logging + (let ((inhibit-message t)) + (message "$ %s" (magit-process--format-arguments process args)))) + (let ((process-environment (magit-process-environment)) + (default-process-coding-system (magit--process-coding-system))) + (apply #'process-file process infile buffer display args))) + +(defun magit-process-environment () + ;; The various w32 hacks are only applicable when running on the + ;; local machine. As of Emacs 25.1, a local binding of + ;; process-environment different from the top-level value affects + ;; the environment used in + ;; tramp-sh-handle-{start-file-process,process-file}. + (let ((local (not (file-remote-p default-directory)))) + (append magit-git-environment + (and local + (cdr (assoc magit-git-executable magit-git-w32-path-hack))) + (and local magit-need-cygwin-noglob + (mapcar (lambda (var) + (concat var "=" (--if-let (getenv var) + (concat it " noglob") + "noglob"))) + '("CYGWIN" "MSYS"))) + process-environment))) + +(defvar magit-this-process nil) + +(defun magit-run-git-with-input (&rest args) + "Call Git in a separate process. +ARGS is flattened and then used as arguments to Git. + +The current buffer's content is used as the process's standard +input. The buffer is assumed to be temporary and thus OK to +modify. + +Function `magit-git-executable' specifies the Git executable and +option `magit-git-global-arguments' specifies constant arguments. +The remaining arguments ARGS specify arguments to Git, they are +flattened before use." + (when (eq system-type 'windows-nt) + ;; On w32, git expects UTF-8 encoded input, ignore any user + ;; configuration telling us otherwise (see #3250). + (encode-coding-region (point-min) (point-max) 'utf-8-unix)) + (if (file-remote-p default-directory) + ;; We lack `process-file-region', so fall back to asynch + + ;; waiting in remote case. + (progn + (magit-start-git (current-buffer) args) + (while (and magit-this-process + (eq (process-status magit-this-process) 'run)) + (sleep-for 0.005))) + (run-hooks 'magit-pre-call-git-hook) + (pcase-let* ((process-environment (magit-process-environment)) + (default-process-coding-system (magit--process-coding-system)) + (flat-args (magit-process-git-arguments args)) + (`(,process-buf . ,section) + (magit-process-setup (magit-git-executable) flat-args)) + (inhibit-read-only t)) + (magit-process-finish + (apply #'call-process-region (point-min) (point-max) + (magit-git-executable) nil process-buf nil flat-args) + process-buf nil default-directory section)))) + +;;; Asynchronous Processes + +(defun magit-run-git-async (&rest args) + "Start Git, prepare for refresh, and return the process object. +ARGS is flattened and then used as arguments to Git. + +Display the command line arguments in the echo area. + +After Git returns some buffers are refreshed: the buffer that was +current when this function was called (if it is a Magit buffer +and still alive), as well as the respective Magit status buffer. + +See `magit-start-process' for more information." + (message "Running %s %s" (magit-git-executable) + (let ((m (mapconcat #'identity (flatten-tree args) " "))) + (remove-list-of-text-properties 0 (length m) '(face) m) + m)) + (magit-start-git nil args)) + +(defun magit-run-git-with-editor (&rest args) + "Export GIT_EDITOR and start Git. +Also prepare for refresh and return the process object. +ARGS is flattened and then used as arguments to Git. + +Display the command line arguments in the echo area. + +After Git returns some buffers are refreshed: the buffer that was +current when this function was called (if it is a Magit buffer +and still alive), as well as the respective Magit status buffer. + +See `magit-start-process' and `with-editor' for more information." + (magit--record-separated-gitdir) + (magit-with-editor (magit-run-git-async args))) + +(defun magit-run-git-sequencer (&rest args) + "Export GIT_EDITOR and start Git. +Also prepare for refresh and return the process object. +ARGS is flattened and then used as arguments to Git. + +Display the command line arguments in the echo area. + +After Git returns some buffers are refreshed: the buffer that was +current when this function was called (if it is a Magit buffer +and still alive), as well as the respective Magit status buffer. +If the sequence stops at a commit, make the section representing +that commit the current section by moving `point' there. + +See `magit-start-process' and `with-editor' for more information." + (apply #'magit-run-git-with-editor args) + (set-process-sentinel magit-this-process #'magit-sequencer-process-sentinel) + magit-this-process) + +(defvar magit-pre-start-git-hook nil) + +(defun magit-start-git (input &rest args) + "Start Git, prepare for refresh, and return the process object. + +If INPUT is non-nil, it has to be a buffer or the name of an +existing buffer. The buffer content becomes the processes +standard input. + +Function `magit-git-executable' specifies the Git executable and +option `magit-git-global-arguments' specifies constant arguments. +The remaining arguments ARGS specify arguments to Git, they are +flattened before use. + +After Git returns some buffers are refreshed: the buffer that was +current when this function was called (if it is a Magit buffer +and still alive), as well as the respective Magit status buffer. + +See `magit-start-process' for more information." + (run-hooks 'magit-pre-start-git-hook) + (let ((default-process-coding-system (magit--process-coding-system))) + (apply #'magit-start-process (magit-git-executable) input + (magit-process-git-arguments args)))) + +(defun magit-start-process (program &optional input &rest args) + "Start PROGRAM, prepare for refresh, and return the process object. + +If optional argument INPUT is non-nil, it has to be a buffer or +the name of an existing buffer. The buffer content becomes the +processes standard input. + +The process is started using `start-file-process' and then setup +to use the sentinel `magit-process-sentinel' and the filter +`magit-process-filter'. Information required by these functions +is stored in the process object. When this function returns the +process has not started to run yet so it is possible to override +the sentinel and filter. + +After the process returns, `magit-process-sentinel' refreshes the +buffer that was current when `magit-start-process' was called (if +it is a Magit buffer and still alive), as well as the respective +Magit status buffer." + (pcase-let* + ((`(,process-buf . ,section) + (magit-process-setup program args)) + (process + (let ((process-connection-type + ;; Don't use a pty, because it would set icrnl + ;; which would modify the input (issue #20). + (and (not input) magit-process-connection-type)) + (process-environment (magit-process-environment)) + (default-process-coding-system (magit--process-coding-system))) + (apply #'start-file-process + (file-name-nondirectory program) + process-buf program args)))) + (with-editor-set-process-filter process #'magit-process-filter) + (set-process-sentinel process #'magit-process-sentinel) + (set-process-buffer process process-buf) + (when (eq system-type 'windows-nt) + ;; On w32, git expects UTF-8 encoded input, ignore any user + ;; configuration telling us otherwise. + (set-process-coding-system process nil 'utf-8-unix)) + (process-put process 'section section) + (process-put process 'command-buf (current-buffer)) + (process-put process 'default-dir default-directory) + (when magit-inhibit-refresh + (process-put process 'inhibit-refresh t)) + (oset section process process) + (with-current-buffer process-buf + (set-marker (process-mark process) (point))) + (when input + (with-current-buffer input + (process-send-region process (point-min) (point-max)) + (process-send-eof process))) + (setq magit-this-process process) + (oset section value process) + (magit-process-display-buffer process) + process)) + +(defun magit-parse-git-async (&rest args) + (setq args (magit-process-git-arguments args)) + (let ((command-buf (current-buffer)) + (process-buf (generate-new-buffer " *temp*")) + (toplevel (magit-toplevel))) + (with-current-buffer process-buf + (setq default-directory toplevel) + (let ((process + (let ((process-connection-type nil) + (process-environment (magit-process-environment)) + (default-process-coding-system + (magit--process-coding-system))) + (apply #'start-file-process "git" process-buf + (magit-git-executable) args)))) + (process-put process 'command-buf command-buf) + (process-put process 'parsed (point)) + (setq magit-this-process process) + process)))) + +;;; Process Internals + +(defun magit-process-setup (program args) + (magit-process-set-mode-line program args) + (let ((pwd default-directory) + (buf (magit-process-buffer t))) + (cons buf (with-current-buffer buf + (prog1 (magit-process-insert-section pwd program args nil nil) + (backward-char 1)))))) + +(defun magit-process-insert-section (pwd program args &optional errcode errlog) + (let ((inhibit-read-only t) + (magit-insert-section--parent magit-root-section) + (magit-insert-section--oldroot nil)) + (goto-char (1- (point-max))) + (magit-insert-section (process) + (insert (if errcode + (format "%3s " (propertize (number-to-string errcode) + 'font-lock-face 'magit-process-ng)) + "run ")) + (unless (equal (expand-file-name pwd) + (expand-file-name default-directory)) + (insert (file-relative-name pwd default-directory) ?\s)) + (insert (magit-process--format-arguments program args)) + (magit-insert-heading) + (when errlog + (if (bufferp errlog) + (insert (with-current-buffer errlog + (buffer-substring-no-properties (point-min) (point-max)))) + (insert-file-contents errlog) + (goto-char (1- (point-max))))) + (insert "\n")))) + +(defun magit-process--format-arguments (program args) + (cond + ((and args (equal program (magit-git-executable))) + (setq args (-split-at (length magit-git-global-arguments) args)) + (concat (propertize (file-name-nondirectory program) + 'font-lock-face 'magit-section-heading) + " " + (propertize (if (stringp magit-ellipsis) + magit-ellipsis + ;; For backward compatibility. + (char-to-string magit-ellipsis)) + 'font-lock-face 'magit-section-heading + 'help-echo (mapconcat #'identity (car args) " ")) + " " + (propertize (mapconcat #'shell-quote-argument (cadr args) " ") + 'font-lock-face 'magit-section-heading))) + ((and args (equal program shell-file-name)) + (propertize (cadr args) + 'font-lock-face 'magit-section-heading)) + (t + (concat (propertize (file-name-nondirectory program) + 'font-lock-face 'magit-section-heading) + " " + (propertize (mapconcat #'shell-quote-argument args " ") + 'font-lock-face 'magit-section-heading))))) + +(defun magit-process-truncate-log () + (let* ((head nil) + (tail (oref magit-root-section children)) + (count (length tail))) + (when (> (1+ count) magit-process-log-max) + (while (and (cdr tail) + (> count (/ magit-process-log-max 2))) + (let* ((inhibit-read-only t) + (section (car tail)) + (process (oref section process))) + (cond ((not process)) + ((memq (process-status process) '(exit signal)) + (delete-region (oref section start) + (1+ (oref section end))) + (cl-decf count)) + (t + (push section head)))) + (pop tail)) + (oset magit-root-section children + (nconc (reverse head) tail))))) + +(defun magit-process-sentinel (process event) + "Default sentinel used by `magit-start-process'." + (when (memq (process-status process) '(exit signal)) + (setq event (substring event 0 -1)) + (when (string-match "^finished" event) + (message (concat (capitalize (process-name process)) " finished"))) + (magit-process-finish process) + (when (eq process magit-this-process) + (setq magit-this-process nil)) + (unless (process-get process 'inhibit-refresh) + (let ((command-buf (process-get process 'command-buf))) + (if (buffer-live-p command-buf) + (with-current-buffer command-buf + (magit-refresh)) + (with-temp-buffer + (setq default-directory (process-get process 'default-dir)) + (magit-refresh))))))) + +(defun magit-sequencer-process-sentinel (process event) + "Special sentinel used by `magit-run-git-sequencer'." + (when (memq (process-status process) '(exit signal)) + (magit-process-sentinel process event) + (when-let* ((process-buf (process-buffer process)) + (- (buffer-live-p process-buf)) + (status-buf (with-current-buffer process-buf + (magit-get-mode-buffer 'magit-status-mode)))) + (with-current-buffer status-buf + (--when-let + (magit-get-section + `((commit . ,(magit-rev-parse "HEAD")) + (,(pcase (car (cadr (-split-at + (1+ (length magit-git-global-arguments)) + (process-command process)))) + ((or "rebase" "am") 'rebase-sequence) + ((or "cherry-pick" "revert") 'sequence))) + (status))) + (goto-char (oref it start)) + (magit-section-update-highlight)))))) + +(defun magit-process-filter (proc string) + "Default filter used by `magit-start-process'." + (with-current-buffer (process-buffer proc) + (let ((inhibit-read-only t)) + (goto-char (process-mark proc)) + ;; Find last ^M in string. If one was found, ignore + ;; everything before it and delete the current line. + (when-let ((ret-pos (cl-position ?\r string :from-end t))) + (cl-callf substring string (1+ ret-pos)) + (delete-region (line-beginning-position) (point))) + (insert (propertize string 'magit-section + (process-get proc 'section))) + (set-marker (process-mark proc) (point)) + ;; Make sure prompts are matched after removing ^M. + (magit-process-yes-or-no-prompt proc string) + (magit-process-username-prompt proc string) + (magit-process-password-prompt proc string) + (run-hook-with-args-until-success 'magit-process-prompt-functions + proc string)))) + +(defmacro magit-process-kill-on-abort (proc &rest body) + (declare (indent 1) (debug (form body))) + (let ((map (cl-gensym))) + `(let ((,map (make-sparse-keymap))) + (set-keymap-parent ,map minibuffer-local-map) + ;; Note: Leaving (kbd ...) unevaluated leads to the + ;; magit-process:password-prompt test failing. + (define-key ,map ,(kbd "C-g") + (lambda () + (interactive) + (ignore-errors (kill-process ,proc)) + (abort-recursive-edit))) + (let ((minibuffer-local-map ,map)) + ,@body)))) + +(defun magit-process-yes-or-no-prompt (process string) + "Forward Yes-or-No prompts to the user." + (when-let ((beg (string-match magit-process-yes-or-no-prompt-regexp string))) + (let ((max-mini-window-height 30)) + (process-send-string + process + (downcase + (concat + (match-string + (if (save-match-data + (magit-process-kill-on-abort process + (yes-or-no-p (substring string 0 beg)))) 1 2) + string) + "\n")))))) + +(defun magit-process-password-auth-source (key) + "Use `auth-source-search' to get a password. +If found, return the password. Otherwise, return nil. + +To use this function add it to the appropriate hook + (add-hook 'magit-process-find-password-functions + 'magit-process-password-auth-source) + +KEY typically derives from a prompt such as: + Password for 'https://yourname@github.com' +in which case it would be the string + yourname@github.com +which matches the ~/.authinfo.gpg entry + machine github.com login yourname password 12345 +or iff that is undefined, for backward compatibility + machine yourname@github.com password 12345 + +On github.com you should not use your password but a +personal access token, see [1]. For information about +the peculiarities of other forges, please consult the +respective documentation. + +After manually editing ~/.authinfo.gpg you must reset +the cache using + M-x auth-source-forget-all-cached RET + +The above will save you from having to repeatedly type +your token or password, but you might still repeatedly +be asked for your username. To prevent that, change an +URL like + https://github.com/foo/bar.git +to + https://yourname@github.com/foo/bar.git + +Instead of changing all such URLs manually, they can +be translated on the fly by doing this once + git config --global \ + url.https://yourname@github.com.insteadOf \ + https://github.com + +[1]: https://docs.github.com/en/github/authenticating-to-github/creating-a-personal-access-token." + (require 'auth-source) + (and (fboundp 'auth-source-search) + (string-match "\\`\\(.+\\)@\\([^@]+\\)\\'" key) + (let* ((user (match-string 1 key)) + (host (match-string 2 key)) + (secret + (plist-get + (car (or (auth-source-search :max 1 :host host :user user) + (auth-source-search :max 1 :host key))) + :secret))) + (if (functionp secret) + (funcall secret) + secret)))) + +(defun magit-process-git-credential-manager-core (process string) + "Authenticate using `git-credential-manager-core'. + +To use this function add it to the appropriate hook + (add-hook \\='magit-process-prompt-functions + \\='magit-process-git-credential-manager-core)" + (and (string-match "^option (enter for default): $" string) + (progn + (magit-process-buffer) + (let ((option (format "%c\n" + (read-char-choice "Option: " '(?\r ?\j ?1 ?2))))) + (insert-before-markers-and-inherit option) + (process-send-string process option))))) + +(defun magit-process-password-prompt (process string) + "Find a password based on prompt STRING and send it to git. +Use `magit-process-password-prompt-regexps' to find a known +prompt. If and only if one is found, then call functions in +`magit-process-find-password-functions' until one of them returns +the password. If all functions return nil, then read the password +from the user." + (when-let ((prompt (magit-process-match-prompt + magit-process-password-prompt-regexps string))) + (process-send-string + process (magit-process-kill-on-abort process + (concat (or (and-let* ((key (match-string 99 string))) + (run-hook-with-args-until-success + 'magit-process-find-password-functions key)) + (read-passwd prompt)) + "\n"))))) + +(defun magit-process-username-prompt (process string) + "Forward username prompts to the user." + (--when-let (magit-process-match-prompt + magit-process-username-prompt-regexps string) + (process-send-string + process (magit-process-kill-on-abort process + (concat (read-string it nil nil (user-login-name)) "\n"))))) + +(defun magit-process-match-prompt (prompts string) + "Match STRING against PROMPTS and set match data. +Return the matched string suffixed with \": \", if needed." + (when (--any-p (string-match it string) prompts) + (let ((prompt (match-string 0 string))) + (cond ((string-suffix-p ": " prompt) prompt) + ((string-suffix-p ":" prompt) (concat prompt " ")) + (t (concat prompt ": ")))))) + +(defun magit--process-coding-system () + (let ((fro (or magit-git-output-coding-system + (car default-process-coding-system))) + (to (cdr default-process-coding-system))) + (if magit-process-ensure-unix-line-ending + (cons (coding-system-change-eol-conversion fro 'unix) + (coding-system-change-eol-conversion to 'unix)) + (cons fro to)))) + +(defvar magit-credential-hook nil + "Hook run before Git needs credentials.") + +(defvar magit-credential-cache-daemon-process nil) + +(defun magit-maybe-start-credential-cache-daemon () + "Maybe start a `git-credential-cache--daemon' process. + +If such a process is already running or if the value of option +`magit-credential-cache-daemon-socket' is nil, then do nothing. +Otherwise start the process passing the value of that options +as argument." + (unless (or (not magit-credential-cache-daemon-socket) + (process-live-p magit-credential-cache-daemon-process) + (memq magit-credential-cache-daemon-process + (list-system-processes))) + (setq magit-credential-cache-daemon-process + (or (--first (let* ((attr (process-attributes it)) + (comm (cdr (assq 'comm attr))) + (user (cdr (assq 'user attr)))) + (and (string= comm "git-credential-cache--daemon") + (string= user user-login-name))) + (list-system-processes)) + (condition-case nil + (start-process "git-credential-cache--daemon" + " *git-credential-cache--daemon*" + (magit-git-executable) + "credential-cache--daemon" + magit-credential-cache-daemon-socket) + ;; Some Git implementations (e.g. Windows) won't have + ;; this program; if we fail the first time, stop trying. + ((debug error) + (remove-hook 'magit-credential-hook + #'magit-maybe-start-credential-cache-daemon))))))) + +(add-hook 'magit-credential-hook #'magit-maybe-start-credential-cache-daemon) + +(defun tramp-sh-handle-start-file-process--magit-tramp-process-environment + (fn name buffer program &rest args) + (if magit-tramp-process-environment + (apply fn name buffer + (car magit-tramp-process-environment) + (append (cdr magit-tramp-process-environment) + (cons program args))) + (apply fn name buffer program args))) + +(advice-add 'tramp-sh-handle-start-file-process :around + #'tramp-sh-handle-start-file-process--magit-tramp-process-environment) + +(defun tramp-sh-handle-process-file--magit-tramp-process-environment + (fn program &optional infile destination display &rest args) + (if magit-tramp-process-environment + (apply fn "env" infile destination display + (append magit-tramp-process-environment + (cons program args))) + (apply fn program infile destination display args))) + +(advice-add 'tramp-sh-handle-process-file :around + #'tramp-sh-handle-process-file--magit-tramp-process-environment) + +(defvar magit-mode-line-process-map + (let ((map (make-sparse-keymap))) + (define-key map (kbd "<mode-line> <mouse-1>") + 'magit-process-buffer) + map) + "Keymap for `mode-line-process'.") + +(defun magit-process-set-mode-line (program args) + "Display the git command (sans arguments) in the mode line." + (when (equal program (magit-git-executable)) + (setq args (nthcdr (length magit-git-global-arguments) args))) + (let ((str (concat " " (propertize + (concat (file-name-nondirectory program) + (and args (concat " " (car args)))) + 'mouse-face 'highlight + 'keymap magit-mode-line-process-map + 'help-echo "mouse-1: Show process buffer" + 'font-lock-face 'magit-mode-line-process)))) + (magit-repository-local-set 'mode-line-process str) + (dolist (buf (magit-mode-get-buffers)) + (with-current-buffer buf + (setq mode-line-process str))) + (force-mode-line-update t))) + +(defun magit-process-set-mode-line-error-status (&optional error str) + "Apply an error face to the string set by `magit-process-set-mode-line'. + +If ERROR is supplied, include it in the `mode-line-process' tooltip. + +If STR is supplied, it replaces the `mode-line-process' text." + (setq str (or str (magit-repository-local-get 'mode-line-process))) + (when str + (setq error (format "%smouse-1: Show process buffer" + (if (stringp error) + (concat error "\n\n") + ""))) + (setq str (concat " " (propertize + (substring-no-properties str 1) + 'mouse-face 'highlight + 'keymap magit-mode-line-process-map + 'help-echo error + 'font-lock-face 'magit-mode-line-process-error))) + (magit-repository-local-set 'mode-line-process str) + (dolist (buf (magit-mode-get-buffers)) + (with-current-buffer buf + (setq mode-line-process str))) + (force-mode-line-update t) + ;; We remove any error status from the mode line when a magit + ;; buffer is refreshed (see `magit-refresh-buffer'), but we must + ;; ensure that we ignore any refreshes during the remainder of the + ;; current command -- otherwise a newly-set error status would be + ;; removed before it was seen. We set a flag which prevents the + ;; status from being removed prior to the next command, so that + ;; the error status is guaranteed to remain visible until then. + (let ((repokey (magit-repository-local-repository))) + ;; The following closure captures the repokey value, and is + ;; added to `pre-command-hook'. + (cl-labels ((enable-magit-process-unset-mode-line () + ;; Remove ourself from the hook variable, so + ;; that we only run once. + (remove-hook 'pre-command-hook + #'enable-magit-process-unset-mode-line) + ;; Clear the inhibit flag for the repository in + ;; which we set it. + (magit-repository-local-set + 'inhibit-magit-process-unset-mode-line nil repokey))) + ;; Set the inhibit flag until the next command is invoked. + (magit-repository-local-set + 'inhibit-magit-process-unset-mode-line t repokey) + (add-hook 'pre-command-hook + #'enable-magit-process-unset-mode-line))))) + +(defun magit-process-unset-mode-line-error-status () + "Remove any current error status from the mode line." + (let ((status (or mode-line-process + (magit-repository-local-get 'mode-line-process)))) + (when (and status + (eq (get-text-property 1 'font-lock-face status) + 'magit-mode-line-process-error)) + (magit-process-unset-mode-line)))) + +(defun magit-process-unset-mode-line (&optional directory) + "Remove the git command from the mode line." + (let ((default-directory (or directory default-directory))) + (unless (magit-repository-local-get 'inhibit-magit-process-unset-mode-line) + (magit-repository-local-set 'mode-line-process nil) + (dolist (buf (magit-mode-get-buffers)) + (with-current-buffer buf (setq mode-line-process nil))) + (force-mode-line-update t)))) + +(defvar magit-process-error-message-regexps + (list "^\\*ERROR\\*: Canceled by user$" + "^\\(?:error\\|fatal\\|git\\): \\(.*\\)$" + "^\\(Cannot rebase:.*\\)$")) + +(define-error 'magit-git-error "Git error") + +(defun magit-process-error-summary (process-buf section) + "A one-line error summary from the given SECTION." + (or (and (buffer-live-p process-buf) + (with-current-buffer process-buf + (and (oref section content) + (save-excursion + (goto-char (oref section end)) + (run-hook-wrapped + 'magit-process-error-message-regexps + (lambda (re) + (save-excursion + (and (re-search-backward + re (oref section start) t) + (or (match-string-no-properties 1) + (and (not magit-process-raise-error) + 'suppressed)))))))))) + "Git failed")) + +(defun magit-process-error-tooltip (process-buf section) + "Returns the text from SECTION of the PROCESS-BUF buffer. + +Limited by `magit-process-error-tooltip-max-lines'." + (and (integerp magit-process-error-tooltip-max-lines) + (> magit-process-error-tooltip-max-lines 0) + (buffer-live-p process-buf) + (with-current-buffer process-buf + (save-excursion + (goto-char (or (oref section content) + (oref section start))) + (buffer-substring-no-properties + (point) + (save-excursion + (forward-line magit-process-error-tooltip-max-lines) + (goto-char + (if (> (point) (oref section end)) + (oref section end) + (point))) + ;; Remove any trailing whitespace. + (when (re-search-backward "[^[:space:]\n]" + (oref section start) t) + (forward-char 1)) + (point))))))) + +(defvar-local magit-this-error nil) + +(defvar magit-process-finish-apply-ansi-colors nil) + +(defun magit-process-finish (arg &optional process-buf command-buf + default-dir section) + (unless (integerp arg) + (setq process-buf (process-buffer arg)) + (setq command-buf (process-get arg 'command-buf)) + (setq default-dir (process-get arg 'default-dir)) + (setq section (process-get arg 'section)) + (setq arg (process-exit-status arg))) + (when (fboundp 'dired-uncache) + (dired-uncache default-dir)) + (when (buffer-live-p process-buf) + (with-current-buffer process-buf + (let ((inhibit-read-only t) + (marker (oref section start))) + (goto-char marker) + (save-excursion + (delete-char 3) + (set-marker-insertion-type marker nil) + (insert (propertize (format "%3s" arg) + 'magit-section section + 'font-lock-face (if (= arg 0) + 'magit-process-ok + 'magit-process-ng))) + (set-marker-insertion-type marker t)) + (when magit-process-finish-apply-ansi-colors + (ansi-color-apply-on-region (oref section content) + (oref section end))) + (if (= (oref section end) + (+ (line-end-position) 2)) + (save-excursion + (goto-char (1+ (line-end-position))) + (delete-char -1) + (oset section content nil)) + (let ((buf (magit-process-buffer t))) + (when (and (= arg 0) + (not (--any-p (eq (window-buffer it) buf) + (window-list)))) + (magit-section-hide section))))))) + (if (= arg 0) + ;; Unset the `mode-line-process' value upon success. + (magit-process-unset-mode-line default-dir) + ;; Otherwise process the error. + (let ((msg (magit-process-error-summary process-buf section))) + ;; Change `mode-line-process' to an error face upon failure. + (if magit-process-display-mode-line-error + (magit-process-set-mode-line-error-status + (or (magit-process-error-tooltip process-buf section) + msg)) + (magit-process-unset-mode-line default-dir)) + ;; Either signal the error, or else display the error summary in + ;; the status buffer and with a message in the echo area. + (cond + (magit-process-raise-error + (signal 'magit-git-error (list (format "%s (in %s)" msg default-dir)))) + ((not (eq msg 'suppressed)) + (when (buffer-live-p process-buf) + (with-current-buffer process-buf + (when-let ((status-buf (magit-get-mode-buffer 'magit-status-mode))) + (with-current-buffer status-buf + (setq magit-this-error msg))))) + (message "%s ... [%s buffer %s for details]" msg + (if-let ((key (and (buffer-live-p command-buf) + (with-current-buffer command-buf + (car (where-is-internal + 'magit-process-buffer)))))) + (format "Hit %s to see" (key-description key)) + "See") + (buffer-name process-buf)))))) + arg) + +(defun magit-process-display-buffer (process) + (when (process-live-p process) + (let ((buf (process-buffer process))) + (cond ((not (buffer-live-p buf))) + ((= magit-process-popup-time 0) + (if (minibufferp) + (switch-to-buffer-other-window buf) + (pop-to-buffer buf))) + ((> magit-process-popup-time 0) + (run-with-timer magit-process-popup-time nil + (lambda (p) + (when (eq (process-status p) 'run) + (let ((buf (process-buffer p))) + (when (buffer-live-p buf) + (if (minibufferp) + (switch-to-buffer-other-window buf) + (pop-to-buffer buf)))))) + process)))))) + +(defun magit--log-action (summary line list) + (let (heading lines) + (if (cdr list) + (progn (setq heading (funcall summary list)) + (setq lines (mapcar line list))) + (setq heading (funcall line (car list)))) + (with-current-buffer (magit-process-buffer t) + (goto-char (1- (point-max))) + (let ((inhibit-read-only t)) + (magit-insert-section (message) + (magit-insert-heading (concat " * " heading)) + (when lines + (dolist (line lines) + (insert line "\n")) + (insert "\n")))) + (let ((inhibit-message t)) + (when heading + (setq lines (cons heading lines))) + (message (mapconcat #'identity lines "\n")))))) + +;;; _ +(provide 'magit-process) +;;; magit-process.el ends here |