$ git clone -n https://src.fedoraproject.org/rpms/arianna.git /var/lib/mock/f41-build-723301-13111/root/chroot_tmpdir/scmroot/arianna
Cloning into '/var/lib/mock/f41-build-723301-13111/root/chroot_tmpdir/scmroot/arianna'...
$ git fetch origin 6bac54531e79242507a4ae0e8da00a34f15c97b5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/arianna
 * [new ref]         6bac54531e79242507a4ae0e8da00a34f15c97b5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6bac545 24.05.0