$ git clone -n https://src.fedoraproject.org/rpms/waybar.git /var/lib/mock/f41-build-851668-166034/root/chroot_tmpdir/scmroot/waybar
Cloning into '/var/lib/mock/f41-build-851668-166034/root/chroot_tmpdir/scmroot/waybar'...
$ git fetch origin 8633053f88900b5a5a355cab253de3ed69f779e8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/waybar
 * [new ref]         8633053f88900b5a5a355cab253de3ed69f779e8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8633053 Update to 0.11.0 (#2312394)