117 lines
4.2 KiB
EmacsLisp
117 lines
4.2 KiB
EmacsLisp
;;; FG42 --- The mighty editor for the emacsians -*- lexical-binding: t; -*-
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;;
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;; Copyright (c) 2010-2023 Sameer Rahmani <lxsameer@gnu.org>
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;;
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;; Author: Sameer Rahmani <lxsameer@gnu.org>
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;; URL: https://devheroes.codes/FG42/FG42
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;; Version: 3.0.0
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;;
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;; This program 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 3 of the License, or
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;; (at your option) any later version.
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;;
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;; This program 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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;;
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;; You should have received a copy of the GNU General Public License
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;; along with this program. If not, see <http://www.gnu.org/licenses/>.
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;;
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;;; Commentary:
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;; `System' is just a state monad which holds the state of the editor.
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;; Each system has to have a `start' function to start the setup process.
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;;
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;;; Code:
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(require 'seq)
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(require 'fg42/utils)
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(fpkg/require 's)
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(defmacro ->commands (&rest body)
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"Return a list of shell commands in the BODY.
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Each element has to be list like `(cd \"..\")' the command is static but
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the arguments get evaluated."
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`(quote
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,(mapcar
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(lambda (x)
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(when (not (listp x))
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(error "Expect a list. Got %s" x))
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(let ((command (car x))
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(args (cdr x)))
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(cond
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((string= command "and") (s-join " && " (eval `(->commands ,@args))))
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((string= command "or") (s-join " || " (eval `(->commands ,@args))))
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(t (format "%s %s" command (mapconcat #'eval args " "))))))
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body)))
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(defun shell<- (commands &rest opts)
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"Run the give list of COMMANDS via ssh on HOST with the given OPTS.
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OPTS:
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- `:shell' The shell to run the commands with. (default /bin/bash)
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- `:buffer' The buffer name to use. (default '*ssh[SHELL]*')
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- `:erase?' Whether or not erase the buffer. (default t)"
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(let* ((sh (or (plist-get opts :shell) "/bin/bash"))
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(buffer (or (plist-get opts :buffer) (format "*shell[%s]*" sh)))
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(erase? (or (plist-get opts :erase-buffer?) t))
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(cmds (format "'%s'" (mapconcat #'identity commands ";")))
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(output-buffer (get-buffer-create buffer)))
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(when erase?
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(with-current-buffer output-buffer
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(setq buffer-read-only nil)
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(erase-buffer)))
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(let ((p (start-process-shell-command
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"shell<-"
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(buffer-name output-buffer)
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(format "%s -c %s"
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sh
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cmds))))
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(set-process-sentinel p
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(lambda (_ event)
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(when (string= event "finished\n")
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(message "Commands finished.")
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;;(kill-process process)
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))))))
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(defun ssh<- (host commands &rest opts)
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"Run the give list of COMMANDS via ssh on HOST with the given OPTS.
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OPTS:
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- `:shell' The shell to run the commands with. (default /bin/bash)
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- `:buffer' The buffer name to use. (default '*ssh[HOST]*')
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- `:erase?' Whether or not erase the buffer. (default t)"
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(let* ((sh (or (plist-get opts :shell) "/bin/bash"))
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(buffer (or (plist-get opts :buffer) (format "*ssh[%s]*" host)))
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(erase? (or (plist-get opts :erase-buffer?) t))
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(cmds (format "'%s'" (mapconcat #'identity commands ";")))
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(output-buffer (get-buffer-create buffer)))
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(when erase?
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(with-current-buffer output-buffer
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(setq buffer-read-only nil)
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(erase-buffer)))
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(let ((p (start-process-shell-command
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(format "ssh-to-%s" host)
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(buffer-name output-buffer)
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(format "ssh -t %s %s -c %s"
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host
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sh
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cmds))))
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(set-process-sentinel p
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(lambda (_ event)
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(when (string= event "finished\n")
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(message "Commands finished. Closing SSH connection.")
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;;(kill-process process)
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))))))
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(provide 'fg42/shell)
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;;; ssh.el ends here
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