$ git clone -n https://src.fedoraproject.org/rpms/marble.git /var/lib/mock/f42-build-863747-171737/root/chroot_tmpdir/scmroot/marble
Cloning into '/var/lib/mock/f42-build-863747-171737/root/chroot_tmpdir/scmroot/marble'...
$ git fetch origin 01837dade6ba55ffc364857e65b601272e0e0c6c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/marble
 * [new ref]         01837dade6ba55ffc364857e65b601272e0e0c6c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 01837da 24.12.0