$ git clone -n https://src.fedoraproject.org/rpms/rust-prefix-trie.git /var/lib/mock/f45-build-43987-809/root/chroot_tmpdir/scmroot/rust-prefix-trie
Cloning into '/var/lib/mock/f45-build-43987-809/root/chroot_tmpdir/scmroot/rust-prefix-trie'...
$ git fetch origin 5718a9aad4ae7d1d7485d96399bcc90173ac027d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-prefix-trie
 * [new ref]         5718a9aad4ae7d1d7485d96399bcc90173ac027d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5718a9a Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild