$ git clone -n https://src.fedoraproject.org/rpms/aardvark-dns.git /var/lib/mock/f39-build-1859598-42461/root/chroot_tmpdir/scmroot/aardvark-dns
Cloning into '/var/lib/mock/f39-build-1859598-42461/root/chroot_tmpdir/scmroot/aardvark-dns'...
$ git fetch origin 31bc1ddb0172fc10ba31ef3beb111ebf85c940ef:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/aardvark-dns
 * [new ref]         31bc1ddb0172fc10ba31ef3beb111ebf85c940ef -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 31bc1dd [packit] 1.9.0 upstream release