$ git clone -n https://src.fedoraproject.org/rpms/chrony.git /var/lib/mock/f40-build-2339384-59649/root/chroot_tmpdir/scmroot/chrony
Cloning into '/var/lib/mock/f40-build-2339384-59649/root/chroot_tmpdir/scmroot/chrony'...
$ git fetch origin 2484d4001eaa7d8378f1a4f97171ac58a01b68c4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/chrony
 * [new ref]         2484d4001eaa7d8378f1a4f97171ac58a01b68c4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2484d40 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild