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-;;; magit-process.el --- process functionality -*- lexical-binding: t -*-
-
-;; Copyright (C) 2010-2020 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 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 'ansi-color)
-(require 'cl-lib)
-(require 'dash)
-
-(eval-when-compile
- (require 'subr-x))
-
-(require 'with-editor)
-(require 'magit-utils)
-(require 'magit-section)
-(require 'magit-git)
-(require 'magit-mode)
-
-(declare-function auth-source-search "auth-source"
- (&rest spec &key max require create delete &allow-other-keys))
-
-;;; 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))
-
-(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:[^']*\\)'?\\)?: ?$"
- "Please enter the passphrase for the ssh key"
- "Please enter the passphrase to unlock the OpenPGP secret key"
- "^.*'s password: ?$"
- "^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 . "2.8.0")
- :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 imenu-prev-index-position-function
- 'magit-imenu--process-prev-index-position-function)
- (setq imenu-extract-index-name-function
- 'magit-imenu--process-extract-index-name-function))
-
-(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.
-
-Option `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.
-
-Option `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-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."
- (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.
-
-Option `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 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.
-
-Option `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 'utf-8-unix))
- (process-put process 'section section)
- (process-put process 'command-buf (current-buffer))
- (process-put process 'default-dir default-directory)
- (when inhibit-magit-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))
- (cond
- ((and args (equal program magit-git-executable))
- (setq args (-split-at (length magit-git-global-arguments) args))
- (insert (propertize (file-name-nondirectory program)
- 'font-lock-face 'magit-section-heading) " ")
- (insert (propertize (char-to-string magit-ellipsis)
- 'font-lock-face 'magit-section-heading
- 'help-echo (mapconcat #'identity (car args) " ")))
- (insert " ")
- (insert (propertize (mapconcat #'shell-quote-argument (cadr args) " ")
- 'font-lock-face 'magit-section-heading)))
- ((and args (equal program shell-file-name))
- (insert (propertize (cadr args)
- 'font-lock-face 'magit-section-heading)))
- (t
- (insert (propertize (file-name-nondirectory program)
- 'font-lock-face 'magit-section-heading) " ")
- (insert (propertize (mapconcat #'shell-quote-argument args " ")
- 'font-lock-face 'magit-section-heading))))
- (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-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)))
- (when (buffer-live-p process-buf)
- (when-let ((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)
- (define-key ,map "\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://tarsius@bitbucket.org'
-in which case it would be the string
- tarsius@bitbucket.org
-which matches the ~/.authinfo.gpg entry
- machine bitbucket.org login tarsius password 12345
-or iff that is undefined, for backward compatibility
- machine tarsius@bitbucket.org password 12345"
- (require 'auth-source)
- (and (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-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 function 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 (when-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
Copyright 2019--2024 Marius PETER