$ git clone -n https://src.fedoraproject.org/rpms/epix.git /var/lib/mock/f45-build-8206-378/root/chroot_tmpdir/scmroot/epix
Cloning into '/var/lib/mock/f45-build-8206-378/root/chroot_tmpdir/scmroot/epix'...
$ git fetch origin 5cae7151f444aab4b2c03811651298466ed38258:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/epix
 * [new ref]         5cae7151f444aab4b2c03811651298466ed38258 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5cae715 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild