$ git clone -n https://src.fedoraproject.org/rpms/python-chevron.git /var/lib/mock/f45-build-29900-641/root/chroot_tmpdir/scmroot/python-chevron
Cloning into '/var/lib/mock/f45-build-29900-641/root/chroot_tmpdir/scmroot/python-chevron'...
$ git fetch origin 9f03ad87db98b7563e7c1c37af1969344d861ca4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-chevron
 * [new ref]         9f03ad87db98b7563e7c1c37af1969344d861ca4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9f03ad8 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild