$ git clone -n https://src.fedoraproject.org/rpms/libportal.git /var/lib/mock/f40-build-786314-134216/root/chroot_tmpdir/scmroot/libportal
Cloning into '/var/lib/mock/f40-build-786314-134216/root/chroot_tmpdir/scmroot/libportal'...
$ git fetch origin b0f522f40e09408c3e53997ed4b430174574392e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libportal
 * [new ref]         b0f522f40e09408c3e53997ed4b430174574392e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b0f522f Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild