$ git clone -n https://src.fedoraproject.org/rpms/numix-icon-theme-square.git /var/lib/mock/f40-build-2243016-53669/root/chroot_tmpdir/scmroot/numix-icon-theme-square
Cloning into '/var/lib/mock/f40-build-2243016-53669/root/chroot_tmpdir/scmroot/numix-icon-theme-square'...
$ git fetch origin 8a19934446551699df59f396ff40d3ec2391733c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/numix-icon-theme-square
 * [new ref]         8a19934446551699df59f396ff40d3ec2391733c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8a19934 Update to 23.12.10