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emacs/lisp/net/rcompile.el
2003-09-01 15:45:59 +00:00

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;;; 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
;; Keywords: tools, processes
;; This file is part of GNU Emacs.
;; GNU Emacs 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.
;; GNU Emacs 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 GNU Emacs; see the file COPYING. If not, write to the
;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.
;;; 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 its 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 (or (and (featurep 'ange-ftp)
(ange-ftp-ftp-name default-directory))))
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 (and (featurep 'ange-ftp)
(ange-ftp-ftp-name default-directory)))
(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.
(with-current-buffer compilation-last-buffer
(set (make-local-variable 'comint-file-name-prefix)
(concat "/" host ":")))))
;;; arch-tag: 2866a132-ece4-4ce9-9f91-ec147f803f73
;;; rcompile.el ends here