mirror of
https://github.com/freebsd/freebsd-src.git
synced 2024-12-02 08:33:20 +00:00
83 lines
1.7 KiB
Bash
83 lines
1.7 KiB
Bash
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:
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set -e
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VNDEVICE=vn0
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RD=$1 ; shift
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MNT=$1 ; shift
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FSSIZE=$1 ; shift
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FSPROTO=$1 ; shift
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FSINODE=$1 ; shift
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FSLABEL=$1 ; shift
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while true
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do
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rm -f fs-image
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if [ ! -b /dev/${VNDEVICE} -o ! -c /dev/r${VNDEVICE} ] ; then
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cd /dev && sh MAKEDEV ${VNDEVICE}
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fi
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umount /dev/${VNDEVICE} 2>/dev/null || true
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umount ${MNT} 2>/dev/null || true
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vnconfig -u /dev/r${VNDEVICE} 2>/dev/null || true
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dd of=fs-image if=/dev/zero count=${FSSIZE} bs=1k 2>/dev/null
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vnconfig -s labels -c /dev/r${VNDEVICE} fs-image
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if [ "$FSLABEL" = "minimum" ] ; then
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sed '/^minimum:/,$d' /etc/disktab > /etc/disktab.tmp
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cat /etc/disktab.tmp > /etc/disktab
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rm -f /etc/disktab.tmp
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(
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a=`expr ${FSSIZE} \* 2`
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echo
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echo "minimum:ty=mfs:se#512:nt#1:rm#300:\\"
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echo " :ns#$a:nc#1:\\"
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echo " :pa#$a:oa#0:ba#4096:fa#512:\\"
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echo " :pc#$a:oc#0:bc#4096:fc#512:"
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echo
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) >> /etc/disktab
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fi
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disklabel -w -r -B \
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-b ${RD}/trees/bin/usr/mdec/fdboot \
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-s ${RD}/trees/bin/usr/mdec/bootfd \
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/dev/r${VNDEVICE} ${FSLABEL}
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newfs -u 0 -t 0 -i ${FSINODE} -m 0 -T ${FSLABEL} /dev/r${VNDEVICE}a
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mount /dev/${VNDEVICE}a ${MNT}
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( cd ${FSPROTO} && find . -print | cpio -dump ${MNT} )
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set `df -i /mnt | tail -1`
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umount ${MNT}
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fsck -p /dev/r${VNDEVICE}a < /dev/null
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vnconfig -u /dev/r${VNDEVICE} 2>/dev/null || true
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if [ $FSLABEL != "minimum" ] ; then
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echo ${FSSIZE} > fs-image.size
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break
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fi
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echo ">>> Filesystem is ${FSSIZE} K, $4 left"
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echo ">>> ${FSINODE} bytes/inode, $7 left"
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if [ $4 -gt 8 ] ; then
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FSSIZE=`expr ${FSSIZE} - $4 + 7`
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continue
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fi
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if [ $7 -gt 32 ] ; then
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FSINODE=`expr ${FSINODE} + 8192`
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continue
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fi
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echo ${FSSIZE} > fs-image.size
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break;
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done
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