$ git clone -n https://src.fedoraproject.org/rpms/rust-fd-find.git /var/lib/mock/f40-build-739202-108884/root/chroot_tmpdir/scmroot/rust-fd-find
Cloning into '/var/lib/mock/f40-build-739202-108884/root/chroot_tmpdir/scmroot/rust-fd-find'...
$ git fetch origin 8dd9680a5175535489a2632efdfce6501e33e281:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-fd-find
 * [new ref]         8dd9680a5175535489a2632efdfce6501e33e281 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8dd9680 Update to 8.7.1