$ git clone -n https://src.fedoraproject.org/rpms/rust-parse_datetime.git /var/lib/mock/f45-build-43734-805/root/chroot_tmpdir/scmroot/rust-parse_datetime
Cloning into '/var/lib/mock/f45-build-43734-805/root/chroot_tmpdir/scmroot/rust-parse_datetime'...
$ git fetch origin 0a656b20d1c894338c990ba09c6c59ca4d602f35:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-parse_datetime
 * [new ref]         0a656b20d1c894338c990ba09c6c59ca4d602f35 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0a656b2 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild