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Subject: [bug#30216] [WIP v5] services: agetty: Make tty optional.
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Date: Wed, 31 Jan 2018 00:24:30 +0100
From: Danny Milosavljevic <dannym@scratchpost.org>
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To: Ludovic =?UTF-8?Q?Court=C3=A8s?= <ludo@gnu.org>
Cc: 30216@debbugs.gnu.org

> +(define (default-tty) =20

>Could you add a docstring, like, IIUC: =E2=80=9CReturn a gexp that determi=
nes a
>reasonable default serial port to use as the tty.  This is primarily
>useful for headless systems such as ARM SoCs.=E2=80=9D
>In the manual, for the agetty service, it would be good to document the
>=E2=80=98agetty.tty=E2=80=99 kernel command-line option.

Sure.

> Rather use =E2=80=98linux-command-line=E2=80=99 from (gnu build linux-boo=
t).
> =E2=80=98find-long-option=E2=80=99 in the same module does almost what yo=
u want, but if
> you really want to support repeated =E2=80=9Cagetty.tty=E2=80=9D options,=
 you=E2=80=99ll have to
> make a new =E2=80=98find-long-options=E2=80=99 (plural) variant.

It's more for the repeated "console=3D" options which Linux supports.

>Perhaps =E2=80=98default-serial-port=E2=80=99 is more appropriate in fact?

Yeah.