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| -rw-r--r-- | unix/fbsd-iso2img.sh | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/unix/fbsd-iso2img.sh b/unix/fbsd-iso2img.sh new file mode 100644 index 0000000..9e1c99c --- /dev/null +++ b/unix/fbsd-iso2img.sh @@ -0,0 +1,156 @@ +#!/bin/sh +# +# fbsd-install-iso2img.sh +# Original version by Dario Freni 9/2006 +# Enhancements by Clifton Royston 3/2009. +# License: Beerware +# +# Credit: https://lists.freebsd.org/pipermail/freebsd-stable/2009-March/048762.html +# + +# You can set some variables here. Edit them to fit your needs. + +# Set serial variable to 0 if you don't want serial console at all, +# 1 if you want comconsole and 2 if you want comconsole and vidconsole +serial=0 + +# Set nofstab=1 to not create any initial fstab on the USB drive; +# this makes the next two settings largely irrelevant. +nofstab=0 + +# Set rootperm=rw for root fs to mount r/w from the USB drive +# (Should be unnecessary.) +rootperm=ro + +# Set USBLABEL here or with -L label to label the image file system, +# to help the loader find the root file system when booting; +# otherwise the USB must come up as da0 to finish loading successfully. +USBLABEL= +lbparams= + +# Set dopause=1 here or with -p to pause and allow review or editing of +# the flash image before finalizing the image. +dopause=0 + +pause() { + echo "Press enter to continue" + read foo +} + + +set -u + +if [ $# -ge 3 ]; then + flag=$1 + if [ ${flag} = "-p" ]; then + dopause=1 + shift + flag=$1 + fi + if [ ${flag} = "-n" ]; then + nofstab=1 + shift + flag=$1 + fi + if [ ${flag} = "-L" ]; then + shift; + USBLABEL=$1; shift + lbparams="-L ${USBLABEL}" + fi +fi +if [ $# -lt 2 ]; then + echo "Usage: $0 [-p] [-n] [-L vollabel] source-iso-path output-img-path" + echo " -p pause for review before finalizing image" + echo " -n don't update the /etc/fstab within the image" + echo " -L set file system label on image, to help loader find it" + exit 1 +fi + +isoimage=$1; shift +imgoutfile=$1; shift + +export tmpdir=$(mktemp -d -t fbsdmount) + +# Temp file and directory to be used later +export tmpfile=$(mktemp -t bsdmount) + +export isodev=$(mdconfig -a -t vnode -f ${isoimage}) + +echo "#### Building bootable UFS image ####" + +ISOSIZE=$(du -k ${isoimage} | awk '{print $1}') +SECTS=$((($ISOSIZE + ($ISOSIZE/5))*2)) + +# Root partition size + +echo "Initializing image..." +dd if=/dev/zero of=${imgoutfile} count=${SECTS} +ls -l ${imgoutfile} +export imgdev=$(mdconfig -a -t vnode -f ${imgoutfile}) + +bsdlabel -w -B ${imgdev} +newfs -O1 ${lbparams} /dev/${imgdev}a + +mkdir -p ${tmpdir}/iso ${tmpdir}/img + +mount -r -t cd9660 /dev/${isodev} ${tmpdir}/iso +mount /dev/${imgdev}a ${tmpdir}/img + +echo "Copying files to the image via cpio" +( cd ${tmpdir}/iso && find . -print -depth | cpio -dump ${tmpdir}/img ) +# Dump doesn't work from an ISO file system, too bad. +# echo "Copying files to the image via dump/restore..." +## dump -0f - /dev/${isodev} | (cd ${tmpdir}/img && restore -r -f - ) + +#bzcat ${tmpdir}/iso/dist/root.dist.bz2 | mtree -PUr -p ${tmpdir}/img 2>&1 > /dev/null + +if [ ${nofstab} -ne 1 ]; then + echo "Saving original /etc/fstab as /etc/fstab.orig" + mv ${tmpdir}/img/etc/fstab ${tmpdir}/img/etc/fstab.orig + echo "Replacing /etc/fstab, so loader can find root filesystem on flash!" + if [ "${USBLABEL}" != "" ]; then + echo "/dev/ufs/${USBLABEL} / ufs ${rootperm} 0 0" > ${tmpdir}/img/etc/fstab + ## echo "devfs /dev devfs rw 0 0" >> ${tmpdir}/img/etc/fstab + else + echo "/dev/da0a / ufs ${rootperm} 0 0" > ${tmpdir}/img/etc/fstab + ## echo "devfs /dev devfs rw 0 0" >> ${tmpdir}/img/etc/fstab + fi +else + echo "Skipping write of image /etc/fstab" + +fi + +if [ ${serial} -eq 2 ]; then + mv ${tmpdir}/img/boot.config ${tmpdir}/img/boot.config.orig + mv ${tmpdir}/img/boot/loader.conf ${tmpdir}/img/boot/loader.conf.orig + echo "-D" > ${tmpdir}/img/boot.config + echo 'console="comconsole, vidconsole"' >> ${tmpdir}/img/boot/loader.conf +elif [ ${serial} -eq 1 ]; then + mv ${tmpdir}/img/boot.config ${tmpdir}/img/boot.config.orig + mv ${tmpdir}/img/boot/loader.conf ${tmpdir}/img/boot/loader.conf.orig + echo "-h" > ${tmpdir}/img/boot.config + echo 'console="comconsole"' >> ${tmpdir}/img/boot/loader.conf +fi + +if [ ${dopause} -eq 1 ]; then + echo "Pausing to allow manual review and modification of image file:" + echo "Image is located in ${tmpdir}/img" + echo "If you need to fix up ${tmpdir}/img/etc/fstab, now is the time." + pause +fi + + +cleanup() { + umount ${tmpdir}/iso + mdconfig -d -u ${isodev} + umount ${tmpdir}/img + mdconfig -d -u ${imgdev} + rm -rf ${tmpdir} ${tmpfile} +} + +cleanup + +ls -lh ${imgoutfile} + +echo "To write the image to flash, use dd, for example:" +echo " dd if=${imgoutfile} of=/dev/da0 bs=4M" |