#!/bin/sh
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# Copyright (C) 2011 O.S. Systems Software LTDA.
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# Licensed on MIT
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rootfs_enabled() {
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return 0
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}
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rootfs_run() {
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if [ -z "$ROOTFS_DIR" ]; then
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return
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fi
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C=0
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delay=${bootparam_rootdelay:-1}
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timeout=${bootparam_roottimeout:-5}
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while ! mountpoint -q $ROOTFS_DIR; do
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if [ $(( $C * $delay )) -gt $timeout ]; then
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fatal "root '$bootparam_root' doesn't exist or does not contain a /dev."
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fi
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if [ -n "$bootparam_root" ]; then
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debug "No e2fs compatible filesystem has been mounted, mounting $bootparam_root..."
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if [ "`echo ${bootparam_root} | cut -c1-5`" = "UUID=" ]; then
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root_uuid=`echo $bootparam_root | cut -c6-`
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bootparam_root="/dev/disk/by-uuid/$root_uuid"
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elif [ "`echo ${bootparam_root} | cut -c1-9`" = "PARTUUID=" ]; then
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root_partuuid=`echo $bootparam_root | cut -c10-`
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bootparam_root="/dev/disk/by-partuuid/$root_partuuid"
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elif [ "`echo ${bootparam_root} | cut -c1-10`" = "PARTLABEL=" ]; then
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root_partlabel=`echo $bootparam_root | cut -c11-`
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bootparam_root="/dev/disk/by-partlabel/$root_partlabel"
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elif [ "`echo ${bootparam_root} | cut -c1-6`" = "LABEL=" ]; then
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root_label=`echo $bootparam_root | cut -c7-`
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bootparam_root="/dev/disk/by-label/$root_label"
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fi
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if [ -e "$bootparam_root" ]; then
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flags=""
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if [ -n "$bootparam_ro" ] && ! echo "$bootparam_rootflags" | grep -w -q "ro"; then
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if [ -n "$bootparam_rootflags" ]; then
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bootparam_rootflags="$bootparam_rootflags,"
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fi
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bootparam_rootflags="${bootparam_rootflags}ro"
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fi
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if [ -n "$bootparam_rootflags" ]; then
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flags="$flags -o$bootparam_rootflags"
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fi
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if [ -n "$bootparam_rootfstype" ]; then
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flags="$flags -t$bootparam_rootfstype"
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fi
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mount $flags $bootparam_root $ROOTFS_DIR
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if mountpoint -q $ROOTFS_DIR; then
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break
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else
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# It is unlikely to change, but keep trying anyway.
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# Perhaps we pick a different device next time.
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umount $ROOTFS_DIR
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fi
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fi
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fi
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debug "Sleeping for $delay second(s) to wait root to settle..."
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sleep $delay
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C=$(( $C + 1 ))
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done
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}
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