$ git clone -n https://src.fedoraproject.org/rpms/ktimer.git /var/lib/mock/f40-build-2165993-50976/root/chroot_tmpdir/scmroot/ktimer
Cloning into '/var/lib/mock/f40-build-2165993-50976/root/chroot_tmpdir/scmroot/ktimer'...
$ git fetch origin 01a8545bc94d9b24d7b897a8ad5312e4295042ad:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ktimer
 * [new ref]         01a8545bc94d9b24d7b897a8ad5312e4295042ad -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 01a8545 24.01.85