setup-mkosi

Version updated for systemd/mkosi to version v18.

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Release notes

  • $SCRIPT was renamed to $CHROOT_SCRIPT. $SCRIPT can still be used but is considered deprecated.
  • Added RuntimeTrees= setting to mount directories when booting images via mkosi boot, mkosi shell or mkosi qemu. The directories are mounted with a uid map that maps the user invoking mkosi to the root user so that all files in the directory appear as if owned by the root user in the container or virtual machine and any new files created in the directories are owned by the user invoking mkosi. To make this work in VMs, we use VirtioFS via virtiofsd. Note that this requires systemd v254 or newer to be installed in the image.
  • Added support for booting directory images with mkosi qemu via VirtioFS. When CONFIG_VIRTIOFS and CONFIG_VIRTIO_PCI are builtin modules, no initramfs is required to make this work.
  • Added Include= or --include to include extra configuration files or directories.
  • Added support for specifiers to access the current value of certain settings during configuration file parsing.
  • mkosi will now exit with an error when no configuration was provided.
  • Multiple scripts of the same type are now supported.
  • Custom distributions are now supported via the new custom distribution. When using custom as the distribution, the rootfs must be provided via base trees, skeleton trees or prepare scripts.
  • We now use local GPG keys for rpm based distributions if the distribution-gpg-keys package is installed on the host.
  • Added RuntimeSize= to grow the image to a specific size before booting it when using mkosi boot or mkosi qemu.
  • We now set MKOSI_UID and MKOSI_GID when running scripts which are set to the uid and gid of the user invoking mkosi respectively. These can be used to run commands as the user that invoked mkosi.
  • Added an Architecture= match
  • Initrds specified with Initrds= are now used for grub menuentries as well.
  • ImageId= and ImageVersion= are now written to os-release as IMAGE_ID and IMAGE_VERSION if provided.
  • We pass command line arguments passed to the build verb to the build script again.
  • We added support for the “RHEL Universal Base Image” distribution.