$ git clone -n https://src.fedoraproject.org/rpms/python-pymemcache.git /var/lib/mock/f45-build-32302-659/root/chroot_tmpdir/scmroot/python-pymemcache
Cloning into '/var/lib/mock/f45-build-32302-659/root/chroot_tmpdir/scmroot/python-pymemcache'...
$ git fetch origin e3ad98819e9d441abfbc3d3aa7c92aa52577e267:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pymemcache
 * [new ref]         e3ad98819e9d441abfbc3d3aa7c92aa52577e267 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e3ad988 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild