$ git clone -n https://src.fedoraproject.org/rpms/pop-launcher.git /var/lib/mock/f41-build-side-1-3098652-39333/root/chroot_tmpdir/scmroot/pop-launcher
Cloning into '/var/lib/mock/f41-build-side-1-3098652-39333/root/chroot_tmpdir/scmroot/pop-launcher'...
$ git fetch origin 0a944ac22a921e1b7204ef789a08af37976751a6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pop-launcher
 * [new ref]         0a944ac22a921e1b7204ef789a08af37976751a6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0a944ac "Update to 1.0.0~alpha.3"