diff options
Diffstat (limited to 'archiso/mkarchiso')
| -rwxr-xr-x | archiso/mkarchiso | 149 |
1 files changed, 115 insertions, 34 deletions
diff --git a/archiso/mkarchiso b/archiso/mkarchiso index 7cb4cb9..5e330f6 100755 --- a/archiso/mkarchiso +++ b/archiso/mkarchiso @@ -3,8 +3,6 @@ PKGLIST="" QUIET="y" FORCE="n" -MOUNTFILE="$(pwd)/mounts" -IMG_TYPE="iso" APPNAME=$(basename "${0}") @@ -42,7 +40,6 @@ done PKGLIST="$(echo $PKGLIST)" shift $(($OPTIND - 1)) -echo "ARGS: $@" # do UID checking here so someone can at least get usage instructions if [ "$EUID" != "0" ]; then @@ -61,23 +58,22 @@ case "${command_name}" in *) echo "invalid command name '${command_name}'"; usage 1 ;; esac -[ "x${imgname}" = "x" ] && (echo "Image name must be specified" && usage 1) -[ "x${work_dir}" = "x" ] && (echo "Please specify a working directory" && usage 1) +[ "x${imgname}" = "x" ] && echo "Image name must be specified" && usage 1 +[ "x${work_dir}" = "x" ] && echo "Please specify a working directory" && usage 1 echo "${APPNAME} : Configuration Settings" echo " working directory: ${work_dir}" echo " image name: ${imgname}" -echo " image type: ${IMG_TYPE}" # usage: _pacman <packages>... _pacman () { local ret if [ "${QUIET}" = "y" ]; then - mkarchroot -f ${work_dir} $* 2>&1 >/dev/null + mkarchroot -f "${work_dir}/root-image" $* 2>&1 >/dev/null ret=$? else - mkarchroot -f ${work_dir} $* + mkarchroot -f "${work_dir}/root-image" $* ret=$? fi @@ -139,16 +135,23 @@ The iso dir is later used to build the actual bootable iso. fi } -# command_squash path image -command_squash () { - echo "====> Generating SquashFS image ${imgname}" - if [ -e "${imgname}" ]; then +# _mksquash dirname +_mksquash () { + echo "_mksquash $1" + if [ ! -d "$1" ]; then + echo "Error: '$1' is not a directory" + return 1 + fi + + sqimg="${work_dir}/iso/$(basename ${1}).sqfs" + echo "====> Generating SquashFS image for '${1}'" + if [ -e "${sqimg}" ]; then if [ "${FORCE}" = "y" ]; then echo -n "Removing old SquashFS image..." - rm "${imgname}" + rm "${sqimg}" echo "done." else - echo "error: SquashFS image '${imgname}' already exists, aborting." + echo "error: SquashFS image '${sqimg}' already exists, aborting." exit 1 fi fi @@ -156,16 +159,37 @@ command_squash () { echo "Creating SquashFS image. This may take some time..." start=$(date +%s) if [ "${QUIET}" = "y" ]; then - mksquashfs "${work_dir}" "${imgname}" -noappend >/dev/null + mksquashfs "${1}" "${sqimg}" -noappend >/dev/null else - mksquashfs "${work_dir}" "${imgname}" -noappend + mksquashfs "${1}" "${sqimg}" -noappend fi minutes=$(echo $start $(date +%s) | awk '{ printf "%0.2f",($2-$1)/60 }') echo "Image creation done in $minutes minutes." } -command_image () { +_imgcommon () { + for d in $(find "${work_dir}" -maxdepth 1 -type d -name '[^.]*'); do + if [ "$d" != "${work_dir}/iso" -a \ + "$(basename "$d")" != "iso" -a \ + "$d" != "${work_dir}" ]; then + _mksquash "$d" + fi + done + echo "====> Making bootable image" + + # Sanity checks + if [ ! -d "${work_dir}/iso" ]; then + echo "Error: '${work_dir}/iso' doesn't exist. What did you do?!" + exit 1 + fi + + if [ ! -f "${work_dir}/isomounts" ]; then + echo "Error: the isomounts file doesn't exist. This image won't do anything" + echo " Protecting you from yourself and erroring out here..." + exit 1 + fi + if [ -e "${imgname}" ]; then if [ "${FORCE}" = "y" ]; then echo "Removing existing bootable image..." @@ -176,11 +200,11 @@ command_image () { fi fi - if [ ! -e "${MOUNTFILE}" ]; then - echo "error: mount file '${MOUNTFILE}' does not exist, aborting." - exit 1 - fi - cp "${MOUNTFILE}" "${work_dir}/mounts" + cp "${work_dir}/isomounts" "${work_dir}/iso/" +} + +command_iso () { + _imgcommon bootflags="" if [ "$PKGLIST" = "grub" -o "$PKGLIST" = "grub-gfx" ]; then @@ -195,20 +219,20 @@ command_image () { exit 1 fi - if [ ! -e "${work_dir}/boot/grub/stage2_eltorito" ]; then - echo "error: grub stage files not found in '${work_dir}/boot/grub" + if [ ! -e "${work_dir}/iso/boot/grub/stage2_eltorito" ]; then + echo "error: grub stage files not found in '${work_dir}/iso/boot/grub'" exit 1 fi bootflags="-b boot/grub/stage2_eltorito" - elif [ "$PKGLIST" = "syslinux" ]; then + elif [ "$PKGLIST" = "isolinux" ]; then if ! pacman -Qi $PKGLIST >/dev/null 2>&1; then echo "$PKGLIST not found on host system. Cannot install!" exit 1 fi - if [ ! -e "${work_dir}/boot/isolinux/isolinux.bin" ]; then - echo "error: isolinux bin file not found in '${work_dir}/boot/isolinux" + if [ ! -e "${work_dir}/iso/boot/isolinux/isolinux.bin" ]; then + echo "error: isolinux bin file not found in '${work_dir}/iso/boot/isolinux'" exit 1 fi @@ -218,20 +242,77 @@ command_image () { echo " Supported Bootloaders:" echo " grub" echo " grub-gfx" - echo " syslinux" + echo " isolinux" exit 1 fi + echo "Creating ISO image..." + qflag="" + [ "${QUIET}" = "y" ] && qflag="-q" + mkisofs ${qflag} -r -l $bootflags -uid 0 -gid 0 \ + -input-charset utf-8 -p "prepared by mkarchiso" \ + -no-emul-boot -boot-load-size 4 -boot-info-table \ + -publisher "ArchLinux <archlinux.org>" \ + -A "ArchLinux Live/Rescue CD" \ + -o "${imgname}" "${work_dir}/iso/" +} + +command_usb () { + _imgcommon + + fsimg="${imgname}.part1" + + # ext2 overhead's upper bound is 6%, empirically tested up to 1GB + rootsize=$(du -bs ${IMGROOT}|cut -f1) + imgsz=$(( (${rootsize}*106)/100/512 + 1)) # image size in sectors + + # create the filesystem image file + dd if=/dev/zero of="$fsimg" bs=512 count="$imgsz" + + # create a filesystem on the image + mke2fs -m 0 -F "$fsimg" + + # mount the filesystem and copy data + modprobe loop + TMPDIR=$(mktemp -d archiso-usbXXXXXX) + mount -o loop "$fsimg" "$TMPDIR" + cp -a "${work_dir}"/iso/* "$TMPDIR" + umount "$TMPDIR" + rm -f "$TMPDIR" + + # add sectors 0-62, then glue together + dd if=/dev/zero of="${imgname}" bs=512 count=63 + cat "$fsimg" >> "${imgname}" + rm "$fsimg" + + # create a partition table + # if this looks like voodoo, it's because it is + sfdisk -uS -f "${imgname}" << EOF + 63,$imgsz,83,* + 0,0,00 + 0,0,00 + 0,0,00 +EOF + + # install grub on the image + grub --no-floppy --batch << EOF + device (hd0) ${imgname} + root (hd0,0) + setup (hd0) +EOF + +} + # Go through the main commands in order. If 'all' was specified, then we want # to do everything. Start with 'install'. -if [ "${command_name}" = "install" ]; then - command_install +if [ "${command_name}" = "create" ]; then + command_create fi -if [ "${command_name}" = "squash" ]; then - command_squash +if [ "${command_name}" = "iso" ]; then + command_iso fi -if [ "${command_name}" = "image" ]; then - command_image +if [ "${command_name}" = "usb" ]; then + command_usb fi # vim:ts=4:sw=4:et: |