$ git clone -n https://src.fedoraproject.org/rpms/rust-ybaas.git /var/lib/mock/f41-build-835664-158617/root/chroot_tmpdir/scmroot/rust-ybaas
Cloning into '/var/lib/mock/f41-build-835664-158617/root/chroot_tmpdir/scmroot/rust-ybaas'...
$ git fetch origin c96de061eff6e3f1a58cd9b89274a8e20448b98e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-ybaas
 * [new ref]         c96de061eff6e3f1a58cd9b89274a8e20448b98e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c96de06 Update to version 0.0.19; Fixes RHBZ#2302998