$ git clone -n https://src.fedoraproject.org/rpms/sway.git /var/lib/mock/f39-build-1564692-37515/root/chroot_tmpdir/scmroot/sway
Cloning into '/var/lib/mock/f39-build-1564692-37515/root/chroot_tmpdir/scmroot/sway'...
$ git fetch origin 30a4f85fedaeebcdcf25dbe4496bd771a777e73e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sway
 * [new ref]         30a4f85fedaeebcdcf25dbe4496bd771a777e73e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 30a4f85 Add sway-portals.conf for xdg-desktop-portal >= 1.17