42 lines
1.7 KiB
EmacsLisp
42 lines
1.7 KiB
EmacsLisp
;;; lisp/lib/process.el -*- lexical-binding: t; -*-
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;;;###autoload
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(defun doom-call-process (command &rest args)
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"Execute COMMAND with ARGS synchronously.
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Returns (STATUS . OUTPUT) when it is done, where STATUS is the returned error
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code of the process and OUTPUT is its stdout output."
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(with-temp-buffer
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(cons (or (apply #'call-process command nil t nil (remq nil args))
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-1)
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(string-trim (buffer-string)))))
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;;;###autoload
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(defun doom-exec-process (command &rest args)
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"Execute COMMAND with ARGS synchronously.
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Unlike `doom-call-process', this pipes output to `standard-output' on the fly to
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simulate 'exec' in the shell, so batch scripts could run external programs
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synchronously without sacrificing their output.
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Warning: freezes indefinitely on any stdin prompt."
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;; FIXME Is there any way to handle prompts?
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(with-temp-buffer
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(cons (let ((process
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(make-process :name "doom-sh"
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:buffer (current-buffer)
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:command (cons command (remq nil args))
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:connection-type 'pipe))
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done-p)
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(set-process-filter
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process (lambda (_process output)
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(princ output (current-buffer))
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(princ (doom-print--format output))))
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(set-process-sentinel
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process (lambda (process _event)
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(when (memq (process-status process) '(exit stop))
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(setq done-p t))))
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(while (not done-p)
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(sit-for 0.1))
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(process-exit-status process))
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(string-trim (buffer-string)))))
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