$ git clone -n https://src.fedoraproject.org/rpms/jsoncpp.git /var/lib/mock/f40-build-2292138-56104/root/chroot_tmpdir/scmroot/jsoncpp
Cloning into '/var/lib/mock/f40-build-2292138-56104/root/chroot_tmpdir/scmroot/jsoncpp'...
$ git fetch origin ed5593f944ffc5d977867e3a5e3235f45ca15e1f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jsoncpp
 * [new ref]         ed5593f944ffc5d977867e3a5e3235f45ca15e1f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ed5593f Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild