$ git clone -n https://src.fedoraproject.org/rpms/firecracker.git /var/lib/mock/f38-build-side-42-init-devel-1353285-30698/root/chroot_tmpdir/scmroot/firecracker
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1353285-30698/root/chroot_tmpdir/scmroot/firecracker'...
$ git fetch origin 457b8c011893782420ef097e663b6c45b452654d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/firecracker
 * [new ref]         457b8c011893782420ef097e663b6c45b452654d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 457b8c0 Rebuild for vm-memory v0.12.2 / CVE-2023-41051