$ git clone -n https://src.fedoraproject.org/rpms/firecracker.git /var/lib/mock/f40-build-766298-124116/root/chroot_tmpdir/scmroot/firecracker
Cloning into '/var/lib/mock/f40-build-766298-124116/root/chroot_tmpdir/scmroot/firecracker'...
$ git reset --hard ee35c0f9c3247087504ab2e18faaf36a0499a81d
HEAD is now at ee35c0f Update to version 1.5.1