$ git clone -n https://src.fedoraproject.org/rpms/waybar.git /var/lib/mock/f41-build-844519-162515/root/chroot_tmpdir/scmroot/waybar
Cloning into '/var/lib/mock/f41-build-844519-162515/root/chroot_tmpdir/scmroot/waybar'...
$ git fetch origin 0cd8865482bba5e0ab5f9512fc153f418bca82ff:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/waybar
 * [new ref]         0cd8865482bba5e0ab5f9512fc153f418bca82ff -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0cd8865 Update to 0.10.4 (#2298541)