$ git clone -n https://src.fedoraproject.org/rpms/rust-prodash.git /var/lib/mock/f40-build-2712893-72089/root/chroot_tmpdir/scmroot/rust-prodash
Cloning into '/var/lib/mock/f40-build-2712893-72089/root/chroot_tmpdir/scmroot/rust-prodash'...
$ git fetch origin dfb156826d4e8f1af0ce58f66e2661db8543218e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-prodash
 * [new ref]         dfb156826d4e8f1af0ce58f66e2661db8543218e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dfb1568 Update to version 28.0.0 (rhbz##2253504)