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Add package manifest tracking for custom installations in chroot #31

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Oct 10, 2025
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Add package manifest tracking for custom installations in chroot #31

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29 changes: 29 additions & 0 deletions rootfs/scripts/build-ubuntu-rootfs.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -19,7 +19,9 @@
# - Runs target platform-specific image preprocessing to populate rootfs/.
# - Injects custom kernel and firmware .deb packages.
# - Installs user-specified packages from manifest (if provided).
# - Dynamically deduces and generates base and custom package manifests
# - Configures GRUB bootloader, hostname, DNS, and other system settings.
# - Deploy package manifest output files
# - Produces a flashable ext4 image (ubuntu.img).
#
# USAGE:
Expand Down Expand Up @@ -385,13 +387,34 @@ echo '[CHROOT] Disabling unnecessary services...'
ln -sf /dev/null /etc/systemd/system/systemd-networkd-wait-online.service
ln -sf /dev/null /etc/systemd/system/dev-disk-by\\\\x2dlabel-UEFI.device

# Get codename
CODENAME=\$(lsb_release -sc)

echo '[CHROOT] Capturing base package list...'
dpkg-query -W -f='\${Package} \${Version}\n' > /tmp/\${CODENAME}_base.manifest

echo '[CHROOT] Installing custom firmware and kernel...'
dpkg -i /$(basename "$FIRMWARE_DEB")
yes \"\" | dpkg -i /$(basename "$KERNEL_DEB")

echo '[CHROOT] Installing manifest packages (if any)...'
/install_manifest_pkgs.sh || true

echo '[CHROOT] Capturing post-install package list...'
dpkg-query -W -f='\${Package} \${Version}\n' > /tmp/\${CODENAME}_post.manifest

echo '[CHROOT] Sorting and computing package delta...'
sort /tmp/\${CODENAME}_base.manifest > /tmp/sorted_base.manifest
sort /tmp/\${CODENAME}_post.manifest > /tmp/sorted_post.manifest
DATE=\$(date +%Y-%m-%d)
comm -13 /tmp/sorted_base.manifest /tmp/sorted_post.manifest > /tmp/packages_\${DATE}.manifest

echo '[CHROOT] Cleaning up intermediate files...'
rm -f /tmp/\${CODENAME}_post.manifest /tmp/sorted_base.manifest /tmp/sorted_post.manifest

echo '[CHROOT] Base package list preserved as /tmp/\${CODENAME}_base.manifest'
echo '[CHROOT] Custom installed packages saved to /tmp/packages_\${DATE}.manifest'

echo '[CHROOT] Detecting installed kernel version...'
kernel_ver=\$(ls /boot/vmlinuz-* | sed 's|.*/vmlinuz-||' | sort -V | tail -n1)
crd_dtb_path=\"/lib/firmware/\$kernel_ver/device-tree/x1e80100-crd.dtb\"
Expand Down Expand Up @@ -452,6 +475,12 @@ echo -e 'nameserver 1.1.1.1\nnameserver 8.8.8.8' > "$MNT_DIR/etc/resolv.conf"

umount -l "$MNT_DIR"

# ==============================================================================
# Step 11: Deploy package manifest
# ==============================================================================
echo "[INFO] Deploying base and custom package manifest files"
cp $ROOTFS_DIR/tmp/*.manifest .

# ==============================================================================
# Completion
# ==============================================================================
Expand Down
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