Format softraid keydisk to make regress pass without installboot fix

Treat keydisks like real chunks until installboot properly skips it and
does not touch/install to them anymore.

diff --git a/regress/usr.sbin/installboot/Makefile b/regress/usr.sbin/installboot/Makefile
index 83c477a..4af6080 100644 (file)
--- a/regress/usr.sbin/installboot/Makefile
+++ b/regress/usr.sbin/installboot/Makefile
@@ -1,4 +1,4 @@
-#      $OpenBSD: Makefile,v 1.27 2022/09/12 13:10:04 kn Exp $
+#      $OpenBSD: Makefile,v 1.28 2022/09/14 08:52:47 kn Exp $
 
 INSTALLBOOT ?=         /usr/sbin/installboot
 DRY_RUN =              ${INSTALLBOOT} -n
@@ -83,6 +83,14 @@ format-disks: create-disks
 .  endif
 .endfor
 .if ${USE_SOFTRAID:L} == "yes"
+       # XXX installboot(8) does not skip keydisks yet, so ensure the expected
+       # MBR/GPT to avoid failing with
+       # "installboot: invalid boot record signature (0x0000) @ sector 0"
+       #
+       # bioctl(8) and softraid(4) don't care about partition tables, they
+       # just require a disklabel(5);  remove the next command or merge this
+       # block into above DISKDEVFILES loop once installboot skips keydisks.
+       ${SUDO} ${FORMAT_DISK} -- "$$(<${KEYDEVFILE})" 1>/dev/null
        echo 'RAID 1M' | \
                ${SUDO} disklabel -wAT/dev/stdin -- "$$(<${KEYDEVFILE})" 1>/dev/null
 .endif