78 lines
2.5 KiB
Bash
78 lines
2.5 KiB
Bash
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#!/bin/bash
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set -eE
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function clean() {
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echo "==== CLEAN ERR ===="
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sudo umount "$WORKDIR/squashfs" || :
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sudo umount /tmp/livecd || :
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}
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trap clean ERR
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SPATH=$(cd $(dirname $0) && pwd)
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if [ -z $1 ]; then
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echo "Usage: prepare.sh <iso_path>"
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exit 1
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fi
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full_iso=$1
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iso_wo_ext=${full_iso##*/}
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iso_wo_ext=${iso_wo_ext%.iso}
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WORKDIR="$SPATH/$iso_wo_ext"
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echo "==== Prepare CD ===="
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mkdir /tmp/livecd || :
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sudo mount -o loop "$1" /tmp/livecd
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mkdir -p "$WORKDIR"
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rsync --exclude=/casper/filesystem.squashfs -a /tmp/livecd/ "$WORKDIR/cd"
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mkdir "$WORKDIR/squashfs" "$WORKDIR/custom"
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sudo modprobe squashfs
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sudo mount -t squashfs -o loop /tmp/livecd/casper/filesystem.squashfs "$WORKDIR/squashfs/"
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echo "==== Copy squashfs contents to $WORKDIR/custom ===="
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sudo cp -a "$WORKDIR"/squashfs/* "$WORKDIR/custom"
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# network access
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sudo cp /etc/resolv.conf /etc/hosts "$WORKDIR/custom/etc/"
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# mount proc, sys, opens a shell (for changes), and clean everything after
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echo "==== CHROOT ===="
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cat "$SPATH/tasks.sh" | sudo chroot "$WORKDIR/custom" /bin/bash
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echo "==== Mod ISOLINUX (BIOS) AND GRUB (EFI) ===="
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# isolinux
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chmod -R +w "$WORKDIR/cd/isolinux"
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cp isolinux/* "$WORKDIR/cd/isolinux/"
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# grub
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chmod -R +w "$WORKDIR/cd/boot/grub"
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cp grub/* "$WORKDIR/cd/boot/grub/"
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# setup iso
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echo "==== Setup ISO ===="
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chmod +w "$WORKDIR/cd/casper/filesystem.manifest"
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sudo chroot "$WORKDIR/custom" dpkg-query -W --showformat='${Package} ${Version}\n' > "$WORKDIR/cd/casper/filesystem.manifest"
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sudo cp "$WORKDIR/cd/casper/filesystem.manifest" "$WORKDIR/cd/casper/filesystem.manifest-desktop"
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sudo mksquashfs "$WORKDIR/custom" "$WORKDIR/cd/casper/filesystem.squashfs"
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sudo rm "$WORKDIR/cd/MD5SUMS"
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sudo chmod +w "$WORKDIR/cd"
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sudo bash -c 'cd '"$WORKDIR"'/cd && find . -type f -exec md5sum {} +' > "$WORKDIR"/cd/MD5SUMS
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# create iso
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echo "==== Create ISO ===="
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cd "$WORKDIR/cd"
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# create a DVD-burnable ISO with BIOS (isolinux) and EFI (grub) support
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sudo mkisofs -U -A "$iso_wo_ext-LIS67" -V "$iso_wo_ext-LIS67" -volset "$iso_wo_ext-LIS67" -J -joliet-long -r -v -T -o "$WORKDIR/$iso_wo_ext-lis67.iso" -b isolinux/isolinux.bin -c isolinux/boot.cat -no-emul-boot -boot-load-size 4 -boot-info-table -eltorito-alt-boot -e boot/grub/efi.img -no-emul-boot .
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# convert iso to a bootable USB drive iso
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sudo isohybrid --uefi "$WORKDIR/$iso_wo_ext-lis67.iso"
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# umount & clean
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echo "==== Clean ===="
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sudo umount "$WORKDIR/squashfs"
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sudo umount /tmp/livecd
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sudo chown -R $USER: "$WORKDIR"
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echo "Final ISO: $WORKDIR/$iso_wo_ext-lis67.iso"
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echo "Done"
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