$ git clone -n https://src.fedoraproject.org/rpms/PyX.git /var/lib/mock/f42-build-3181752-40950/root/chroot_tmpdir/scmroot/PyX
Cloning into '/var/lib/mock/f42-build-3181752-40950/root/chroot_tmpdir/scmroot/PyX'...
$ git fetch origin df95cdf131f840b7d3fac4034cdc1f0008408ab3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/PyX
 * [new ref]         df95cdf131f840b7d3fac4034cdc1f0008408ab3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at df95cdf Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild