$ git clone -n https://src.fedoraproject.org/rpms/rust-easy-parallel.git /var/lib/mock/f45-build-41415-782/root/chroot_tmpdir/scmroot/rust-easy-parallel
Cloning into '/var/lib/mock/f45-build-41415-782/root/chroot_tmpdir/scmroot/rust-easy-parallel'...
$ git fetch origin a6d5812289427d47f9d2acf12b66f464a67e75a4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-easy-parallel
 * [new ref]         a6d5812289427d47f9d2acf12b66f464a67e75a4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a6d5812 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild