$ git clone -n https://src.fedoraproject.org/rpms/libdatrie.git /var/lib/mock/f45-build-15987-481/root/chroot_tmpdir/scmroot/libdatrie
Cloning into '/var/lib/mock/f45-build-15987-481/root/chroot_tmpdir/scmroot/libdatrie'...
$ git fetch origin a41f503576461425cfd4a07553c486f5d0ce586e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libdatrie
 * [new ref]         a41f503576461425cfd4a07553c486f5d0ce586e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a41f503 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild