$ git clone -n https://src.fedoraproject.org/rpms/newtonsoft-json.git /var/lib/mock/f39-build-1821618-41841/root/chroot_tmpdir/scmroot/newtonsoft-json
Cloning into '/var/lib/mock/f39-build-1821618-41841/root/chroot_tmpdir/scmroot/newtonsoft-json'...
$ git fetch origin fa45c8d5d58a119d1ed65182c073dee74c09a767:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/newtonsoft-json
 * [new ref]         fa45c8d5d58a119d1ed65182c073dee74c09a767 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fa45c8d Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild