$ git clone -n https://src.fedoraproject.org/rpms/fpc.git /var/lib/mock/f40-build-2561461-62135/root/chroot_tmpdir/scmroot/fpc
Cloning into '/var/lib/mock/f40-build-2561461-62135/root/chroot_tmpdir/scmroot/fpc'...
$ git fetch origin 1bac939ce372d15a6245b6900f8560207033fea1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fpc
 * [new ref]         1bac939ce372d15a6245b6900f8560207033fea1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1bac939 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild