From 2c782daf6fae1b418168a5e8a9336fe9e6b9215e Mon Sep 17 00:00:00 2001
From: Laurent Bercot <ska-adelie@skarnet.org>
Date: Thu, 3 Oct 2019 10:31:29 -0500
Subject: system/s6-linux-init: make early getty configurable. PLEASE REVIEW.

 Also touches gettys-openrc to avoid spawning the same getty twice.
---
 system/gettys-openrc/gettys.initd | 26 +++++++++++++++-----------
 1 file changed, 15 insertions(+), 11 deletions(-)

(limited to 'system/gettys-openrc')

diff --git a/system/gettys-openrc/gettys.initd b/system/gettys-openrc/gettys.initd
index a1fbb2082..1f02d29f4 100644
--- a/system/gettys-openrc/gettys.initd
+++ b/system/gettys-openrc/gettys.initd
@@ -11,14 +11,11 @@ makeservice() {
   tty="$1"
   eval 'options="$GETTYS_'"$tty"'_OPTIONS"'
   eval 'baud="$GETTYS_'"$tty"'_BAUDRATE"'
-  if test -z "$baud" ; then
-    baud=38400
-  fi
   mkdir -p -m 0755 "/var/lib/s6/services/getty-$tty"
   {
     echo '#!/bin/execlineb -P'
     echo
-    echo "/sbin/agetty $options -- $baud $tty linux"
+    echo "/sbin/agetty $options -- $tty $baud"
   } > "/var/lib/s6/services/getty-$tty/run"
   chmod 0755 "/var/lib/s6/services/getty-$tty/run"
 }
@@ -32,6 +29,17 @@ nomatchname() {
   return 0
 }
 
+notearly() {
+  if test -d /etc/s6-linux-init/current/run-image/service/s6-linux-init-early-getty ; then
+    if early=`head -n 1 /run/kernel_env/earlygetty` ; then
+      early="${early%%,*}"
+    else
+      early=tty2
+    fi
+    test "$1" != "$early"
+  fi
+}
+
 start() {
   set -e
   ebegin "Applying getty configuration"
@@ -46,13 +54,9 @@ start() {
   done
 
   for i in $GETTYS ; do
-    if test -c /dev/"$i" ; then
-      if test -d "/etc/s6-linux-init/current/run-image/service/getty-$i" ; then
-        :
-      else
-        makeservice "$i"
-        ln -nsf "/var/lib/s6/services/getty-$i" "/run/service/getty-$i"
-      fi
+    if test -c /dev/"$i" && notearly "$i" ; then
+      makeservice "$i"
+      ln -nsf "/var/lib/s6/services/getty-$i" "/run/service/getty-$i"
     fi
   done
 
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