$ git clone -n https://src.fedoraproject.org/rpms/rust-lru-cache.git /var/lib/mock/f45-build-43054-799/root/chroot_tmpdir/scmroot/rust-lru-cache
Cloning into '/var/lib/mock/f45-build-43054-799/root/chroot_tmpdir/scmroot/rust-lru-cache'...
$ git fetch origin 6d4bfa4138a8c41d77243edab997be69c6f6dd5e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-lru-cache
 * [new ref]         6d4bfa4138a8c41d77243edab997be69c6f6dd5e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6d4bfa4 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild