net-utils / rcompile.el

steve ce22462 



































































































































































































;;; rcompile.el --- run a compilation on a remote machine

;; Copyright (C) 1993, 1994 Free Software Foundation, Inc.

;; Author: Albert    <alon@milcse.rtsg.mot.com>
;; Maintainer: FSF
;; Created: 1993 Oct 6
;; Version: 1.1
;; Keywords: tools, processes

;; This file is part of XEmacs.

;; XEmacs 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 2, or (at your option)
;; any later version.

;; XEmacs 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 XEmacs; see the file COPYING.  If not, write to the Free
;; Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
;; 02111-1307, USA.

;;; Synched up with: FSF 19.34.

;;; Commentary:

;; This package is for running a remote compilation and using emacs to parse
;; the error messages. It works by rsh'ing the compilation to a remote host
;; and parsing the output. If the file visited at the time remote-compile was
;; called was loaded remotely (ange-ftp), the host and user name are obtained
;; by the calling ange-ftp-ftp-name on the current directory. In this case the
;; next-error command will also ange-ftp the files over. This is achieved
;; automatically because the compilation-parse-errors function uses
;; default-directory to build it's file names. If however the file visited was
;; loaded locally, remote-compile prompts for a host and user and assumes the
;; files mounted locally (otherwise, how was the visited file loaded).

;; See the user defined variables section for more info.

;; I was contemplating redefining "compile" to "remote-compile" automatically
;; if the file visited was ange-ftp'ed but decided against it for now. If you
;; feel this is a good idea, let me know and I'll consider it again.

;;; Installation:

;; To use rcompile, you also need to give yourself permission to connect to
;; the remote host.  You do this by putting lines like:

;; monopoly alon
;; vme33
;;
;; in a file named .rhosts in the home directory (of the remote machine).
;; Be careful what you put in this file. A line like:
;;
;; +
;;
;; Will allow anyone access to your account without a password. I suggest you
;; read the rhosts(5) manual page before you edit this file (if you are not
;; familiar with it already) 

;;; Code:

(provide 'rcompile)
(require 'compile)
;;; The following should not be needed.
;;; (eval-when-compile (require 'ange-ftp))

;;;; user defined variables

(defgroup remote-compile nil
  "Run a compilation on a remote machine"
  :group 'processes
  :group 'tools)


(defcustom remote-compile-host nil
  "*Host for remote compilations."
  :type '(choice string (const nil))
  :group 'remote-compile)

(defcustom remote-compile-user nil
  "User for remote compilations.
nil means use the value returned by \\[user-login-name]."
  :type '(choice string (const nil))
  :group 'remote-compile)

(defcustom remote-compile-run-before nil
  "*Command to run before compilation.
This can be used for setting up environment variables,
since rsh does not invoke the shell as a login shell and files like .login
\(tcsh\) and .bash_profile \(bash\) are not run.
nil means run no commands."
  :type '(choice string (const nil))
  :group 'remote-compile)

(defcustom remote-compile-prompt-for-host nil
  "*Non-nil means prompt for host if not available from filename."
  :type 'boolean
  :group 'remote-compile)

(defcustom remote-compile-prompt-for-user nil
  "*Non-nil means prompt for user if not available from filename."
  :type 'boolean
  :group 'remote-compile)

;;;; internal variables

;; History of remote compile hosts and users
(defvar remote-compile-host-history nil)
(defvar remote-compile-user-history nil)


;;;; entry point

;;;###autoload
(defun remote-compile (host user command)
  "Compile the current buffer's directory on HOST.  Log in as USER.
See \\[compile]."
  (interactive
   (let ((parsed 
	  ;; XEmacs change
	  (cond
	   ((featurep 'efs)
	    (efs-ftp-path default-directory))
	   ((featurep 'ange-ftp)
	    (if (fboundp 'ange-ftp-ftp-name)
		(ange-ftp-ftp-name default-directory)
	      (ange-ftp-ftp-path default-directory)))
	   (t nil)))
         host user command prompt)
     (if parsed
         (setq host (nth 0 parsed)
               user (nth 1 parsed))
       (setq prompt (if (stringp remote-compile-host)
                        (format "Compile on host (default %s): "
                                remote-compile-host)
                      "Compile on host: ")
             host (if (or remote-compile-prompt-for-host
                          (null remote-compile-host))
                      (read-from-minibuffer prompt
                                            "" nil nil
                                            'remote-compile-host-history)
                    remote-compile-host)
             user (if remote-compile-prompt-for-user
                      (read-from-minibuffer (format
                                             "Compile by user (default %s)"
                                             (or remote-compile-user
                                                 (user-login-name)))
                                            "" nil nil
                                            'remote-compile-user-history)
                    remote-compile-user)))
     (setq command (read-from-minibuffer "Compile command: "
                                         compile-command nil nil
                                         '(compile-history . 1)))
     (list (if (string= host "") remote-compile-host host)
           (if (string= user "") remote-compile-user user)
           command)))
  (setq compile-command command)
  (cond (user
         (setq remote-compile-user user))
        ((null remote-compile-user)
         (setq remote-compile-user (user-login-name))))
  (let* ((parsed
	  ;; XEmacs change
	  (cond
	   ((featurep 'efs)
	    (efs-ftp-path default-directory))
	   ((featurep 'ange-ftp)
	    (if (fboundp 'ange-ftp-ftp-name)
		(ange-ftp-ftp-name default-directory)
	      (ange-ftp-ftp-path default-directory)))
	   (t nil)))
         (compile-command
          (format "%s %s -l %s \"(%scd %s; %s)\""
		  remote-shell-program
                  host
                  remote-compile-user
                  (if remote-compile-run-before
                      (concat remote-compile-run-before "; ")
                    "")
                  (if parsed (nth 2 parsed) default-directory)
                  compile-command)))
    (setq remote-compile-host host)
    (save-some-buffers nil nil)
    (compile-internal compile-command "No more errors")
    ;; Set comint-file-name-prefix in the compilation buffer so
    ;; compilation-parse-errors will find referenced files by ange-ftp.
    (save-excursion
      (set-buffer compilation-last-buffer)
      (setq comint-file-name-prefix (concat "/" user "@" host ":")))))

;;; rcompile.el ends here
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