$ git clone -n https://src.fedoraproject.org/rpms/kollision.git /var/lib/mock/f40-build-2387331-60496/root/chroot_tmpdir/scmroot/kollision
Cloning into '/var/lib/mock/f40-build-2387331-60496/root/chroot_tmpdir/scmroot/kollision'...
$ git fetch origin 552602b280fc7e3121c61eb71cb8d7ec2a1670af:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kollision
 * [new ref]         552602b280fc7e3121c61eb71cb8d7ec2a1670af -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 552602b 24.01.95