132 lines
3.2 KiB
Bash
132 lines
3.2 KiB
Bash
#!/usr/bin/env bash
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die() {
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>&2 printf '\e[1;31mdied: '"$*"'\e[0m\n'
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all_umounts
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exit 1
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}
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l() {
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>&2 printf '\e[1m'"$*"'\e[0m\n'
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}
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d() {
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>&2 printf '\e[1;34m# '"$*"'\e[0m\n'
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"$@" || die "$*"
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}
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baseimg="$1"
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unpack_zip() {
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zip -p "$1" > "$2"
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}
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unzip_xz() {
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xz -d < "$1" > "$2"
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}
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unpack_bzip2() {
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bzip2 -d < "$1" > "$2"
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}
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unpack_gzip() {
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gzip -d < "$1" > "$2"
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}
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unpack_plain() {
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ln -sf "$1" "$2"
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}
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all_umounts() {
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umount base/root
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umount base/boot
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umount dest/root
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umount dest/boot
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vgchange -an raspi
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kpartx -d dest/image
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kpartx -d base/image
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}
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pii_mounts() {
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local dir="${1:-murks}"
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local img="${2:-$dir/image}"
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set -- `kpartx -l "$img" | sed -e 's/ : .*//'`
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local bootdev="/dev/mapper/$1"
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local rootdev="/dev/mapper/$2"
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[ -e "$bootdev" -a -e "$rootdev" ] || die "Cannot find devs [$bootdev] [$rootdev]"
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d mount "$bootdev" "$dir/boot"
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d mount "$rootdev" "$dir/root"
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}
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pii_mkfs() {
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local img="${1:-murks}"
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set -- `kpartx -l "$img" | sed -e 's/ : .*//'`
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local bootdev="/dev/mapper/$1"
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local rootdev="/dev/mapper/$2"
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[ -e "$bootdev" -a -e "$rootdev" ] || die "Cannot find devs [$bootdev] [$rootdev]"
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l format destination-boot
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d mkfs.fat -n boot -F 32 "$bootdev"
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l format destination-root
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d mkfs.xfs -L root "$rootdev"
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}
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case "$baseimg" in
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*.zip) alias unpack=d\ unpack_zip ;;
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*.xz) alias unpack=d\ unpack_xz ;;
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*.bz2) alias unpack=d\ unpack_bz2 ;;
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*.gz) alias unpack=d\ unpack_gz ;;
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*) alias unpack=d\ unpack_plain ;;
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esac
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# let's go...
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d mkdir -p base/root base/boot dest/root dest/boot
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l setup base-image-access
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#[ -e base/image ] && die "base/image already exists"
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#unpack "$baseimg" base/image
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d kpartx -sar base/image
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l mount base-partitions
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pii_mounts base
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l create destination image
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d dd if=/dev/zero of=dest/image seek=$((4800*256-1)) count=1 bs=4096
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d parted dest/image -- \
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mklabel msdos \
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mkpart primary fat32 4MB 132MB \
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mkpart primary lvm 133MB -1s \
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set 2 lba off \
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print
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d kpartx -sa dest/image
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pii_mkfs dest/image
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d parted dest/image print
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l mount destination-partitions
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pii_mounts dest
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l install it
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d rsync -aHAX base/boot/ dest/boot/
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d rsync -aHAX base/root/ dest/root/
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d rsync kernel7.img initrd7.img dest/boot
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if grep -q '^initramfs ' dest/boot/config.txt
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then
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d sed -i -e 's!^initramfs .*!initramfs initrd7.img followkernel!' dest/boot/config.txt
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else
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l "# echo initramfs initrd7.img followkernel >> dest/boot/config.txt"
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echo initramfs initrd7.img followkernel >> dest/boot/config.txt || die "echo initramfs initrd7.img followkernel >> dest/boot/config.txt"
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fi
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d sed -i -e 's!\<root=[^ ]*!root=/dev/raspi/root!;s!\<rootfstype=[^ ]*!rootfstype=xfs!;s!\<init=[^ ]* *!!' dest/boot/cmdline.txt
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d touch dest/boot/ssh
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l setup initramfs for updates in future
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d sed -i -e 's!^COMPRESS=!COMPRESS=xz!' dest/root/etc/initramfs-tools/initramfs.conf
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l deactivate resize2fs-init-script
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d rm dest/root/etc/rc*.d/*resize2fs_once
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l change user pi to deac
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d sed -i -e 's!^pi:.*!deac:x:1000:1000:Denis Knauf,,,:/home/deac:/bin/bash!' dest/root/etc/passwd
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d sed -i -e 's!^pi:.*!deac:$6$aZRhIfbP$6ELyvhfjXP2wiIuq5gIsDPFXFWM1E8KwGhKFWKtFwJZ8CLwHXmZECzpxslwLbvgtYCScTZBJBTjp.hVjd6.2l1:16958:0:99999:7:::!' dest/root/etc/shadow
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d sed -i -e 's!\<pi\>!deac!' dest/root/etc/group
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d mv dest/root/home/pi dest/root/home/deac
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all_umounts
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