$ git clone -n https://src.fedoraproject.org/rpms/newtonsoft-json.git /var/lib/mock/f40-build-2721896-73090/root/chroot_tmpdir/scmroot/newtonsoft-json
Cloning into '/var/lib/mock/f40-build-2721896-73090/root/chroot_tmpdir/scmroot/newtonsoft-json'...
$ git fetch origin 339da23f3eb3a2ce37930f5a273ed0eb6e4af9a8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/newtonsoft-json
 * [new ref]         339da23f3eb3a2ce37930f5a273ed0eb6e4af9a8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 339da23 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild