$ git clone -n https://src.fedoraproject.org/rpms/kactivitymanagerd.git /var/lib/mock/f40-build-2432462-60662/root/chroot_tmpdir/scmroot/kactivitymanagerd
Cloning into '/var/lib/mock/f40-build-2432462-60662/root/chroot_tmpdir/scmroot/kactivitymanagerd'...
$ git fetch origin 7b35ee4a50f710cbd9cae37b0a8cafe3cb0ea707:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kactivitymanagerd
 * [new ref]         7b35ee4a50f710cbd9cae37b0a8cafe3cb0ea707 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7b35ee4 5.93.0