126 lines
2.8 KiB
Bash
126 lines
2.8 KiB
Bash
#!/bin/sh
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#
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# $FreeBSD$
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#
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set -ex
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export BLOCKSIZE=512
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DISKLABEL=$1; shift
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MACHINE=${1:+"-m $1"}; shift
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FSIMG=$1; shift
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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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#
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# If we've been told to, compute the required file system size
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# and average inode size automatically.
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#
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if [ ${FSSIZE} -eq 0 -a ${FSLABEL} = "auto" ]; then
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roundup() echo $((($1+$2-1)-($1+$2-1)%$2))
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nf=$(find ${FSPROTO} |wc -l)
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sk=$(du -sk ${FSPROTO} |cut -f1)
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FSINODE=$(roundup $(($sk*1024/$nf)) ${FSINODE})
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FSSIZE=$(roundup $(($sk*12/10)) 1024)
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fi
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dofs_vn () {
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if [ "x$VNDEVICE" = "x" ] ; then
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VNDEVICE=vn0
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fi
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u=`expr $VNDEVICE : 'vn\([0-9]*\)' || true`
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VNDEVICE=vnn$u
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rm -f /dev/*vnn*
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mknod /dev/rvnn${u} c 43 `expr 65538 + $u '*' 8`
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mknod /dev/rvnn${u}c c 43 `expr 2 + $u '*' 8`
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mknod /dev/vnn${u} b 15 `expr 65538 + $u '*' 8`
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mknod /dev/vnn${u}c b 15 `expr 2 + $u '*' 8`
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umount /dev/${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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vnconfig -s labels -c /dev/r${VNDEVICE} ${FSIMG}
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trap "umount ${MNT}; vnconfig -u /dev/r${VNDEVICE}; rm -f /dev/*vnn*" EXIT
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disklabel -w ${BOOT} ${VNDEVICE} ${FSLABEL}
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newfs -i ${FSINODE} -o space -m 0 /dev/r${VNDEVICE}c
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mount /dev/${VNDEVICE}c ${MNT}
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}
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dofs_md () {
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if [ "x${MDDEVICE}" != "x" ] ; then
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umount /dev/${MDDEVICE} 2>/dev/null || true
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umount ${MNT} 2>/dev/null || true
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mdconfig -d -u ${MDDEVICE} 2>/dev/null || true
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fi
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MDDEVICE=`mdconfig -a -t vnode -f ${FSIMG}`
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if [ ! -c /dev/${MDDEVICE} ] ; then
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echo "No /dev/$MDDEVICE" 1>&2
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exit 1
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fi
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trap "umount ${MNT}; mdconfig -d -u ${MDDEVICE}" EXIT
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if [ "x${DISKLABEL}" != "x" ] ; then
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${DISKLABEL} ${MACHINE} -w ${BOOT} ${MDDEVICE} ${FSLABEL}
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newfs -O1 -i ${FSINODE} -o space -m 0 /dev/${MDDEVICE}c
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mount /dev/${MDDEVICE}c ${MNT}
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else
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newfs -O1 -i ${FSINODE} -o space -m 0 /dev/${MDDEVICE}
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mount /dev/${MDDEVICE} ${MNT}
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fi
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}
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rm -f ${FSIMG}
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dd of=${FSIMG} if=/dev/zero count=${FSSIZE} bs=1k 2>/dev/null
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#
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# We don't have any bootblocks on ia64. Note that -B implies -r,
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# so we have to specifically specify -r when we don't have -B.
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# bsdlabel fails otherwise.
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#
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case `uname -r` in
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4.*)
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if [ -f "${RD}/trees/base/boot/boot1" ]; then
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BOOT="-B -b ${RD}/trees/base/boot/boot1"
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if [ -f "${RD}/trees/base/boot/boot2" ]; then
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BOOT="${BOOT} -s ${RD}/trees/base/boot/boot2"
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fi
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else
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BOOT="-r"
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fi
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dofs_vn
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;;
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*)
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if [ -f "${RD}/trees/base/boot/boot" ]; then
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BOOT="-B -b ${RD}/trees/base/boot/boot"
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else
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BOOT="-r"
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fi
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dofs_md
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;;
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esac
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if [ -d ${FSPROTO} ]; then
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(set -e && cd ${FSPROTO} && find . -print | cpio -dump ${MNT})
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else
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cp -p ${FSPROTO} ${MNT}
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fi
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df -ki ${MNT}
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set `df -ki ${MNT} | tail -1`
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echo "*** File system is ${FSSIZE} K, $4 left"
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echo "*** ${FSINODE} bytes/inode, $7 left"
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