$ git clone -n https://src.fedoraproject.org/rpms/rust-open-enum.git /var/lib/mock/f45-build-43533-803/root/chroot_tmpdir/scmroot/rust-open-enum
Cloning into '/var/lib/mock/f45-build-43533-803/root/chroot_tmpdir/scmroot/rust-open-enum'...
$ git fetch origin 24c2e9f4d4edc7d43cb39f24d14d2b02511949c2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-open-enum
 * [new ref]         24c2e9f4d4edc7d43cb39f24d14d2b02511949c2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 24c2e9f Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild