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144 lines
4.5 KiB
EmacsLisp
144 lines
4.5 KiB
EmacsLisp
;;; em-script.el --- Eshell script files
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;; Copyright (C) 1999, 2000, 2002, 2003, 2004,
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;; 2005, 2006 Free Software Foundation, Inc.
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;; Author: John Wiegley <johnw@gnu.org>
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 2, or (at your option)
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;; any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs; see the file COPYING. If not, write to the
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;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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;; Boston, MA 02110-1301, USA.
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(provide 'em-script)
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(eval-when-compile (require 'esh-maint))
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(require 'eshell)
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(defgroup eshell-script nil
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"This module allows for the execution of files containing Eshell
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commands, as a script file."
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:tag "Running script files."
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:group 'eshell-module)
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;;; Commentary:
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;;; User Variables:
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(defcustom eshell-script-load-hook '(eshell-script-initialize)
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"*A list of functions to call when loading `eshell-script'."
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:type 'hook
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:group 'eshell-script)
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(defcustom eshell-login-script (concat eshell-directory-name "login")
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"*If non-nil, a file to invoke when starting up Eshell interactively.
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This file should be a file containing Eshell commands, where comment
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lines begin with '#'."
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:type 'file
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:group 'eshell-script)
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(defcustom eshell-rc-script (concat eshell-directory-name "profile")
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"*If non-nil, a file to invoke whenever Eshell is started.
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This includes when running `eshell-command'."
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:type 'file
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:group 'eshell-script)
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;;; Functions:
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(defun eshell-script-initialize ()
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"Initialize the script parsing code."
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(make-local-variable 'eshell-interpreter-alist)
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(setq eshell-interpreter-alist
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(cons '((lambda (file)
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(string= (file-name-nondirectory file)
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"eshell")) . eshell/source)
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eshell-interpreter-alist))
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(make-local-variable 'eshell-complex-commands)
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(setq eshell-complex-commands
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(append '("source" ".") eshell-complex-commands))
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;; these two variables are changed through usage, but we don't want
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;; to ruin it for other modules
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(let (eshell-inside-quote-regexp
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eshell-outside-quote-regexp)
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(and (not eshell-non-interactive-p)
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eshell-login-script
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(file-readable-p eshell-login-script)
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(eshell-do-eval
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(list 'eshell-commands
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(catch 'eshell-replace-command
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(eshell-source-file eshell-login-script))) t))
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(and eshell-rc-script
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(file-readable-p eshell-rc-script)
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(eshell-do-eval
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(list 'eshell-commands
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(catch 'eshell-replace-command
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(eshell-source-file eshell-rc-script))) t))))
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(defun eshell-source-file (file &optional args subcommand-p)
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"Execute a series of Eshell commands in FILE, passing ARGS.
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Comments begin with '#'."
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(interactive "f")
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(let ((orig (point))
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(here (point-max))
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(inhibit-point-motion-hooks t)
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after-change-functions)
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(goto-char (point-max))
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(insert-file-contents file)
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(goto-char (point-max))
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(throw 'eshell-replace-command
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(prog1
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(list 'let
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(list (list 'eshell-command-name (list 'quote file))
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(list 'eshell-command-arguments
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(list 'quote args)))
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(let ((cmd (eshell-parse-command (cons here (point)))))
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(if subcommand-p
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(setq cmd (list 'eshell-as-subcommand cmd)))
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cmd))
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(delete-region here (point))
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(goto-char orig)))))
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(defun eshell/source (&rest args)
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"Source a file in a subshell environment."
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(eshell-eval-using-options
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"source" args
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'((?h "help" nil nil "show this usage screen")
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:show-usage
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:usage "FILE [ARGS]
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Invoke the Eshell commands in FILE in a subshell, binding ARGS to $1,
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$2, etc.")
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(eshell-source-file (car args) (cdr args) t)))
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(put 'eshell/source 'eshell-no-numeric-conversions t)
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(defun eshell/. (&rest args)
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"Source a file in the current environment."
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(eshell-eval-using-options
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"." args
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'((?h "help" nil nil "show this usage screen")
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:show-usage
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:usage "FILE [ARGS]
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Invoke the Eshell commands in FILE within the current shell
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environment, binding ARGS to $1, $2, etc.")
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(eshell-source-file (car args) (cdr args))))
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(put 'eshell/. 'eshell-no-numeric-conversions t)
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;;; Code:
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;;; arch-tag: a346439d-5ba8-4faf-ac2b-3aacfeaa4647
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;;; em-script.el ends here
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