$ git clone -n https://src.fedoraproject.org/rpms/PyMca.git /var/lib/mock/f42-build-3181723-40950/root/chroot_tmpdir/scmroot/PyMca
Cloning into '/var/lib/mock/f42-build-3181723-40950/root/chroot_tmpdir/scmroot/PyMca'...
$ git fetch origin 949d8445257e870d35b83310b9ca16cdb3466a93:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/PyMca
 * [new ref]         949d8445257e870d35b83310b9ca16cdb3466a93 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 949d844 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild