$ git clone -n https://src.fedoraproject.org/rpms/python-pycomposefile.git /var/lib/mock/f45-build-32163-657/root/chroot_tmpdir/scmroot/python-pycomposefile
Cloning into '/var/lib/mock/f45-build-32163-657/root/chroot_tmpdir/scmroot/python-pycomposefile'...
$ git fetch origin 52848ff671f4096e077a619e595748deb4f11113:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pycomposefile
 * [new ref]         52848ff671f4096e077a619e595748deb4f11113 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 52848ff Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild