$ git clone -n https://src.fedoraproject.org/rpms/sugar-physics.git /var/lib/mock/f39-build-1558589-37306/root/chroot_tmpdir/scmroot/sugar-physics
Cloning into '/var/lib/mock/f39-build-1558589-37306/root/chroot_tmpdir/scmroot/sugar-physics'...
$ git fetch origin 321b0163f3653ae6a89a75b5e53847b7a02947f4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sugar-physics
 * [new ref]         321b0163f3653ae6a89a75b5e53847b7a02947f4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 321b016 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild