setup-mkosi

Version updated for systemd/mkosi to version v16.

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Release notes

  • mkosi.version is now picked up from preset and dropin directories as well following the usual config precedence logic
  • Removed the “first assignment wins” logic from configuration parsing. Settings parsed later will now override earlier values
  • Removed the ! operator for lists. Instead, assign the empty string to the list to remove all previous values.
  • Added support for configuring custom default values for settings by prefixing their name in the configuration file with @.
  • Added QemuCdrom= to attach the image to the virtual machine as a CD-ROM instead of a block device.
  • Added SectorSize= to set the sector size of the disk images built by systemd-repart.
  • Added back grub support (BIOS/UEFI). Note that we don’t install grub on UEFI yet but we do add the necessary configuration and partitions.
  • Added Bootloader= option to configure which EFI bootloader to install. Added uki option to install just the UKI without systemd-boot and grub to generate grub configuration to chainload into the built UKIs.
  • Added BiosBootloader= to configure whether grub for BIOS gets installed or not.
  • Added QemuFirmware= to select which qemu firmware to use (OVMF, Seabios or direct kernel boot).
  • Added QemuKernel= to specify the kernel that should be used with direct kernel boot.
  • /var/lib/dbus/machine-id is now removed if it was added by a package manager postinstall script.
  • The manifest is not generated by default anymore. Use ManifestFormat=json to make sure the manifest is generated.
  • Added SourceDateEpoch= to enable more reproducible image builds.
  • Added Seed= to set the seed passed to systemd-repart.
  • Updated the default Fedora release to Fedora 39.
  • If ToolsTree= is set to default, mkosi will now build a default tools tree containing all the necessary tools to build images. The distribution and release to use can be configured with ToolsTreeDistribution= and ToolsTreeRelease= or are determined automatically based on the image being built.
  • Added uki output format. This is similar to cpio, except the cpio is packaged up as a UKI with a kernel image and stub picked up from the rootfs.