home: hub: mkinitfs

Info  •  Files  •  Log

mkinitfs: init: enable the init= kernel command line argument

--- a/initramfs-init.in

+++ b/initramfs-init.in

@@ -312,7 +312,7 @@

 set -- $(cat /proc/cmdline)

 myopts="alpine_dev autodetect autoraid chart cryptroot cryptdm cryptheader cryptoffset

-	cryptdiscards cryptkey debug_init dma init_args keep_apk_new modules ovl_dev

+	cryptdiscards cryptkey debug_init dma init init_args keep_apk_new modules ovl_dev

 	pkgs quiet root_size root usbdelay ip alpine_repo apkovl alpine_start splash

 	blacklist overlaytmpfs rootfstype rootflags nbd resume s390x_net dasd ssh_key

 	BOOTIF"

@@ -339,6 +339,9 @@

 # enable debugging if requested

 [ -n "$KOPT_debug_init" ] && set -x

+# set default values

+: ${KOPT_init:=/sbin/init}

+

 # pick first keymap if found

 for map in /etc/keymap/*; do

 	if [ -f "$map" ]; then

@@ -486,7 +489,7 @@

 		fi

 	done

 	sync

-	exec /bin/busybox switch_root $sysroot $chart_init /sbin/init $KOPT_init_args

+	exec /bin/busybox switch_root $sysroot $chart_init "$KOPT_init" $KOPT_init_args

 	echo "initramfs emergency recovery shell launched"

 	exec /bin/busybox sh

 fi

@@ -749,9 +752,9 @@

 	chart_init="/sbin/bootchartd start-rootfs"

 fi

-if [ ! -x $sysroot/sbin/init ]; then

+if [ ! -x "${sysroot}${KOPT_init}" ]; then

 	[ "$KOPT_splash" != "no" ] && echo exit > $sysroot/$splashfile

-	echo "/sbin/init not found in new root. Launching emergency recovery shell"

+	echo "$KOPT_init not found in new root. Launching emergency recovery shell"

 	echo "Type exit to continue boot."

 	/bin/busybox sh

 fi

@@ -767,7 +770,7 @@

 [ "$KOPT_splash" = "init" ] && echo exit > $sysroot/$splashfile

 echo ""

-exec /bin/busybox switch_root $sysroot $chart_init /sbin/init $KOPT_init_args

+exec /bin/busybox switch_root $sysroot $chart_init "$KOPT_init" $KOPT_init_args

 [ "$KOPT_splash" != "no" ] && echo exit > $sysroot/$splashfile

 echo "initramfs emergency recovery shell launched"