$ git clone -n https://src.fedoraproject.org/rpms/rust-oid.git /var/lib/mock/f45-build-43502-803/root/chroot_tmpdir/scmroot/rust-oid
Cloning into '/var/lib/mock/f45-build-43502-803/root/chroot_tmpdir/scmroot/rust-oid'...
$ git fetch origin fac3ab1ce7c10c324620f9416de9b6b9f79d19fb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-oid
 * [new ref]         fac3ab1ce7c10c324620f9416de9b6b9f79d19fb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fac3ab1 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild