$ git clone -n https://src.fedoraproject.org/rpms/rust-ybaas.git /var/lib/mock/f38-build-side-43-rust-devel-1405529-31258/root/chroot_tmpdir/scmroot/rust-ybaas
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1405529-31258/root/chroot_tmpdir/scmroot/rust-ybaas'...
$ git fetch origin fe7ee4dc68336998cf86594abc177632b9dc01e3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-ybaas
 * [new ref]         fe7ee4dc68336998cf86594abc177632b9dc01e3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fe7ee4d Update to version 0.0.17; Fixes RHBZ#2238231