===================================================================
RCS file: /cvs/openbsd/update_openbsd/update_openbsd,v
retrieving revision 1.97
retrieving revision 1.109
diff -u -r1.97 -r1.109
--- openbsd/update_openbsd/update_openbsd	2017/12/11 00:52:41	1.97
+++ openbsd/update_openbsd/update_openbsd	2018/02/08 19:08:01	1.109
@@ -1,5 +1,5 @@
 #!/bin/sh
-# $AFresh1: update_openbsd,v 1.96 2017/12/10 21:20:53 andrew Exp $
+# $AFresh1: update_openbsd,v 1.108 2018/02/08 19:07:06 andrew Exp $
 #
 # Copyright (c) 2012 Andrew Fresh <andrew@afresh1.com>
 #
@@ -52,6 +52,10 @@
     #what $1 | sed -ne 's/[[:blank:]]\{1,\}//p'
 }
 
+kernel_is_multiprocessor() {
+    printf "find cpu*\nexit\n" | config -e $1 2>/dev/null | grep -q "cpu\* at "
+}
+
 version_in() {
         local _proto=${FTP%%://*}
         local _file
@@ -79,10 +83,10 @@
         echo $_v
 }
 
-set_boot_partition() {
-	BOOT_PARTITION=$( df -nP /bsd | sed -ne 's! .*/$!!p' )
+set_boot_device() {
+	BOOT_DEVICE=$( df -nP /bsd | sed -ne 's! .*/$!!p' )
 
-	root_disk=$( echo $BOOT_PARTITION |
+	root_disk=$( echo $BOOT_DEVICE |
 	    sed -e 's,/dev/\([a-z]*[0-9]\)[a-z].*,\1,' )
 	msdos_partition=$(
 	    fdisk $root_disk | grep -q '^*.*FAT32' \
@@ -91,9 +95,52 @@
 	)
 
 	[ "$msdos_partition" ] &&
-	    BOOT_PARTITION="/dev/$root_disk$msdos_partition"
+	    BOOT_DEVICE="/dev/$root_disk$msdos_partition"
 }
 
+boot_device_mounted=""
+mount_boot_device() {
+    [ "$boot_device_mounted" ] && return
+    [ "$BOOT_DEVICE" ] || return
+
+    local default_mount=$( df -lnP /bsd | sed -ne 's!/dev/.* !!p' )
+    local boot_mount=$( mount |
+	    sed -ne "s!^$BOOT_DEVICE on \([^ ]*\).*!\1!p" )
+
+    if [ ! "$boot_mount" ]; then
+        mount $BOOT_DEVICE /mnt
+        boot_device_mounted=1
+        KERNEL_ROOT=/mnt
+    elif [ "$boot_mount" != "$default_mount" ]; then
+        KERNEL_ROOT=$boot_mount/
+    else
+        KERNEL_ROOT=${default_mount%/}/
+    fi
+}
+
+umount_boot_device() {
+    [ "$boot_device_mounted" ] && umount $BOOT_DEVICE
+    boot_device_mounted=""
+}
+
+find_boot_kernel() {
+    local _k=$( ( \
+        echo bsd; \
+        [ -e boot.conf ] && sed -E '/^ *(set +image|boot) +/!d ; \
+            s///; s/^.*://; s/ .*$//' boot.conf \
+    ) | tail -1 )
+    _k=$( follow_symlink $_k )
+
+    local _d=$( dirname $_k )
+    [ "$_d" = "." ] && _d=$PWD
+
+    if [ $_d = . -o $_d = $PWD ]; then
+        basename $_k
+    else
+        echo $_k
+    fi
+}
+
 set_version() {
     CUR_VER=`uname -r`
     NEW_VER=`dc -e "$CUR_VER 0.1 + p"`
@@ -190,34 +237,39 @@
         FTP=${MIRROR}/${_dir}/`machine`
     fi
 
-    BOOT_KERNEL=`( \
-        echo bsd; \
-        [ -e /boot.conf ] && sed -E '/^ *(set +image|boot) +/!d ; \
-            s///; s/^.*://; s/ .*$//' /boot.conf \
-    ) | tail -1`
-    BOOT_KERNEL=`follow_symlink /$BOOT_KERNEL`
-    BOOT_KERNEL="/${BOOT_KERNEL#/}"
+    KERNEL_ROOT=""
+    [ -z "$BOOT_DEVICE" ] && set_boot_device
 
-    BOOT_KERNEL_VERSION=`kernel_file_version $BOOT_KERNEL`
+    mount_boot_device
+    cd $KERNEL_ROOT
+    BOOT_KERNEL=$( find_boot_kernel )
+    BOOT_KERNEL_VERSION=$( kernel_file_version $BOOT_KERNEL )
+    if [ $(sysctl -n hw.ncpufound) -gt 1 ] || kernel_is_multiprocessor $BOOT_KERNEL; then
+        BOOT_KERNEL=bsd.mp
+    fi
 
     BOOTED_KERNEL_VERSION=`sysctl -n kern.version`
     NEW_KERNEL_VERSION=""
 
     # We want to default to what we had
-    INSTALL_KERNELS="${BOOT_KERNEL#/}"
+    INSTALL_KERNELS="$BOOT_KERNEL"
     # if the boot kernel was our specially named bsd.sp, we install from bsd
     if [ X"$INSTALL_KERNELS" == X"bsd.sp" ]; then
         INSTALL_KERNELS="bsd"
     fi
-    # with a second option of an mp kernel if is is a likely candidate
-    if [ X"$INSTALL_KERNELS" != X"bsd.mp" ]; then
-        local _ncpu=$(sysctl -n hw.ncpufound)
-        [ $_ncpu -gt 1 ] && INSTALL_KERNELS="$INSTALL_KERNELS bsd.mp"
-    fi
-    # or just bsd otherwise
-    if [ X"${INSTALL_KERNELS% *}" != X"bsd" ]; then
-        INSTALL_KERNELS="$INSTALL_KERNELS bsd"
-    fi
+
+    # We want to update all kernels that exist
+    # either in the $KERNEL_ROOT or in /
+    for b in bsd bsd.mp; do
+        [ -e $b -o -e /$b ] || continue
+        if [ X"${INSTALL_KERNELS% *}" != X"$b" ]; then
+            INSTALL_KERNELS="$INSTALL_KERNELS $b"
+        fi
+    done
+
+    cd $OLDPWD
+    umount_boot_device
+
     BOOT_KERNELS=$INSTALL_KERNELS
     INSTALL_KERNELS="$INSTALL_KERNELS bsd.rd"
 }
@@ -322,18 +374,20 @@
     local _missing_sets
     local _v=$FILE_VER
 
+    mount_boot_device
     for _n in $INSTALL_KERNELS; do
         local _o=$_n
-        [ X"bsd" == X"${_o}" -a -e /bsd.sp ] && _o=bsd.sp
-        if [ -e /${_o} -a ! -e ./${_n} ]; then
-            echo ${_o} does not exist
+        [ X"bsd" == X"${_o}" -a -e ${KERNEL_ROOT}bsd.sp ] && _o=bsd.sp
+        if [ -e ${KERNEL_ROOT}${_o} -a ! -e ./${_n} ]; then
+            echo ${_o} does not exist on $BOOT_DEVICE
             _missing_sets=1
         fi
 
-        if [ X"${BOOT_KERNEL}" == X"/${_o}" -a -e ./${_n} ]; then
+        if [ X"${BOOT_KERNEL}" == X"${_o}" -a -e ./${_n} ]; then
             NEW_KERNEL_VERSION=`kernel_file_version ./${_n}`
         fi
     done
+    umount_boot_device
 
     if [ X"$NEW_KERNEL_VERSION" == X"" ]; then
         echo Missing replacement for boot kernel $BOOT_KERNEL >&2
@@ -371,26 +425,25 @@
 
 install_kernels() {
     local _d=$1
-    local default_mount=$( df -lnP /bsd | sed -ne 's!/dev/.* !!p' )
+    local default_mount
     local boot_mount
     local mount_is_msdos
 
     if [ ! "$_d" ]; then
-	boot_mount=$( mount |
-	    sed -ne "s!^$BOOT_PARTITION on \([^ ]*\).*!\1!p" )
+        default_mount=$( df -lnP /bsd | sed -ne 's!/dev/.* !!p' )
+        mount_boot_device
 
-	local _ik="$INSTALL_KERNELS"
-	INSTALL_KERNELS="${BOOT_KERNEL#/} bsd.rd"
+	if [ "$KERNEL_ROOT" != "$default_mount" ]; then
+		local _ik="$INSTALL_KERNELS"
+		INSTALL_KERNELS="$BOOT_KERNEL bsd.rd"
 
-	if [ ! "$boot_mount" ]; then
-		mount $BOOT_PARTITION /mnt
-		install_kernels /mnt/
-		umount $BOOT_PARTITION
-	elif [ "$boot_mount" != "$default_mount" ]; then
-		install_kernels $boot_mount/
+		install_kernels $KERNEL_ROOT
+
+		INSTALL_KERNELS="$_ik"
 	fi
 
-	INSTALL_KERNELS="$_ik"
+        umount_boot_device
+
         install_kernels $default_mount
         return
     fi
@@ -402,14 +455,14 @@
         exit 1
     fi
 
-    mount | grep -q " ${_d%/} .* msdos" && mount_is_msdos=1
+    [ $_d != / ] && mount | grep -q " on ${_d%/} .* msdos" && mount_is_msdos=1
 
     if [ X"$BOOT_KERNEL_VERSION" != X"$NEW_KERNEL_VERSION" ]; then
         echo "===> Backing up $BOOT_KERNEL to ${_d}obsd"
         if [ $mount_is_msdos ]; then
-            cp $BOOT_KERNEL ${_d}obsd
+            cp ${_d}$BOOT_KERNEL ${_d}obsd
         else
-            ln -f $BOOT_KERNEL ${_d}obsd
+            ln -f ${_d}$BOOT_KERNEL ${_d}obsd
         fi
         if [ $? -ne 0 ]; then
             echo "Error copying old kernel!" >&2
@@ -557,7 +610,7 @@
     . ${HOME}/.update_openbsdrc
 fi
 
-MIRROR=${MIRROR:=http://fastly.cdn.openbsd.org/pub/OpenBSD}
+MIRROR=${MIRROR:=http://cdn.openbsd.org/pub/OpenBSD}
 FTP_CMD=${FTP_CMD:=ftp -V}
 
 DESTDIR=${DESTDIR:=/}
@@ -567,7 +620,6 @@
 export PKG_PATH TRUSTED_PKG_PATH
 
 set_version
-[ -z "$BOOT_PARTITION" ] && set_boot_partition
 
 TRUSTED_PKG_PATH=${TRUSTED_PKG_PATH:=/usr/ports/packages/`machine -a`/all}
 if [ "$FORCE_DIR" = "No" ]; then
@@ -592,7 +644,7 @@
 echo "TRUSTED_PKG_PATH: $TRUSTED_PKG_PATH"
 echo "      RELEASEDIR: $RELEASEDIR"
 echo "         DESTDIR: $DESTDIR"
-echo "  BOOT_PARTITION: $BOOT_PARTITION"
+echo "     BOOT_DEVICE: $BOOT_DEVICE"
 echo "     BOOT_KERNEL: $BOOT_KERNEL"
 echo " INSTALL_KERNELS: $INSTALL_KERNELS"
 echo "  INSTALLED_SETS: $INSTALLED_SETS"
@@ -602,12 +654,14 @@
 #echo "        FILE_VER: $FILE_VER"
 echo
 
+mount_boot_device
 for k in $INSTALL_KERNELS; do
-    if [ -e "/$k" ]; then
-        echo "Existing $k"
-        kernel_file_version "/$k"
+    if [ -e $KERNEL_ROOT$k ]; then
+        echo "Existing $BOOT_DEVICE:$k"
+        kernel_file_version $KERNEL_ROOT$k
     fi
 done
+umount_boot_device
 
 if [ ${_error} -ne 0 ]; then
 	exit ${_error}