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services: agetty: Call default-serial-port only when starting.

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* gnu/services/base.scm (agetty-shepherd-service): Call default-serial-port
only when starting.
This commit is contained in:
Danny Milosavljevic 2018-03-08 09:50:07 +01:00
parent 770986d541
commit c32e3ddedd
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GPG Key ID: E71A35542C30BAA5
1 changed files with 112 additions and 109 deletions
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221
gnu/services/base.scm
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@ -937,119 +937,122 @@ to use as the tty. This is primarily useful for headless systems."
;; mingetty-shepherd-service).
(requirement '(user-processes host-name udev))
(start #~(let ((tty #$(default-serial-port)))
(if tty
(make-forkexec-constructor
(list #$(file-append util-linux "/sbin/agetty")
#$@extra-options
#$@(if eight-bits?
#~("--8bits")
#~())
#$@(if no-reset?
#~("--noreset")
#~())
#$@(if remote?
#~("--remote")
#~())
#$@(if flow-control?
#~("--flow-control")
#~())
#$@(if host
#~("--host" #$host)
#~())
#$@(if no-issue?
#~("--noissue")
#~())
#$@(if init-string
#~("--init-string" #$init-string)
#~())
#$@(if no-clear?
#~("--noclear")
#~())
(start #~(lambda args
(let ((defaulted-tty #$(or tty (default-serial-port))))
(apply
(if defaulted-tty
(make-forkexec-constructor
(list #$(file-append util-linux "/sbin/agetty")
#$@extra-options
#$@(if eight-bits?
#~("--8bits")
#~())
#$@(if no-reset?
#~("--noreset")
#~())
#$@(if remote?
#~("--remote")
#~())
#$@(if flow-control?
#~("--flow-control")
#~())
#$@(if host
#~("--host" #$host)
#~())
#$@(if no-issue?
#~("--noissue")
#~())
#$@(if init-string
#~("--init-string" #$init-string)
#~())
#$@(if no-clear?
#~("--noclear")
#~())
;;; FIXME This doesn't work as expected. According to agetty(8), if this option
;;; is not passed, then the default is 'auto'. However, in my tests, when that
;;; option is selected, agetty never presents the login prompt, and the
;;; term-ttyS0 service respawns every few seconds.
#$@(if local-line
#~(#$(match local-line
('auto "--local-line=auto")
('always "--local-line=always")
('never "-local-line=never")))
#~())
#$@(if tty
#~()
#~("--keep-baud"))
#$@(if extract-baud?
#~("--extract-baud")
#~())
#$@(if skip-login?
#~("--skip-login")
#~())
#$@(if no-newline?
#~("--nonewline")
#~())
#$@(if login-options
#~("--login-options" #$login-options)
#~())
#$@(if chroot
#~("--chroot" #$chroot)
#~())
#$@(if hangup?
#~("--hangup")
#~())
#$@(if keep-baud?
#~("--keep-baud")
#~())
#$@(if timeout
#~("--timeout" #$(number->string timeout))
#~())
#$@(if detect-case?
#~("--detect-case")
#~())
#$@(if wait-cr?
#~("--wait-cr")
#~())
#$@(if no-hints?
#~("--nohints?")
#~())
#$@(if no-hostname?
#~("--nohostname")
#~())
#$@(if long-hostname?
#~("--long-hostname")
#~())
#$@(if erase-characters
#~("--erase-chars" #$erase-characters)
#~())
#$@(if kill-characters
#~("--kill-chars" #$kill-characters)
#~())
#$@(if chdir
#~("--chdir" #$chdir)
#~())
#$@(if delay
#~("--delay" #$(number->string delay))
#~())
#$@(if nice
#~("--nice" #$(number->string nice))
#~())
#$@(if auto-login
(list "--autologin" auto-login)
'())
#$@(if login-program
#~("--login-program" #$login-program)
#~())
#$@(if login-pause?
#~("--login-pause")
#~())
#$(or tty (default-serial-port))
#$@(if baud-rate
#~(#$baud-rate)
#~())
#$@(if term
#~(#$term)
#~()))))
(const #f))) ; never start.
#$@(if local-line
#~(#$(match local-line
('auto "--local-line=auto")
('always "--local-line=always")
('never "-local-line=never")))
#~())
#$@(if tty
#~()
#~("--keep-baud"))
#$@(if extract-baud?
#~("--extract-baud")
#~())
#$@(if skip-login?
#~("--skip-login")
#~())
#$@(if no-newline?
#~("--nonewline")
#~())
#$@(if login-options
#~("--login-options" #$login-options)
#~())
#$@(if chroot
#~("--chroot" #$chroot)
#~())
#$@(if hangup?
#~("--hangup")
#~())
#$@(if keep-baud?
#~("--keep-baud")
#~())
#$@(if timeout
#~("--timeout" #$(number->string timeout))
#~())
#$@(if detect-case?
#~("--detect-case")
#~())
#$@(if wait-cr?
#~("--wait-cr")
#~())
#$@(if no-hints?
#~("--nohints?")
#~())
#$@(if no-hostname?
#~("--nohostname")
#~())
#$@(if long-hostname?
#~("--long-hostname")
#~())
#$@(if erase-characters
#~("--erase-chars" #$erase-characters)
#~())
#$@(if kill-characters
#~("--kill-chars" #$kill-characters)
#~())
#$@(if chdir
#~("--chdir" #$chdir)
#~())
#$@(if delay
#~("--delay" #$(number->string delay))
#~())
#$@(if nice
#~("--nice" #$(number->string nice))
#~())
#$@(if auto-login
(list "--autologin" auto-login)
'())
#$@(if login-program
#~("--login-program" #$login-program)
#~())
#$@(if login-pause?
#~("--login-pause")
#~())
defaulted-tty
#$@(if baud-rate
#~(#$baud-rate)
#~())
#$@(if term
#~(#$term)
#~())))
(const #f)) ; never start.
args))))
(stop #~(make-kill-destructor)))))))
(define agetty-service-type