$ git clone -n https://src.fedoraproject.org/rpms/gecode.git /var/lib/mock/f40-build-2590982-62640/root/chroot_tmpdir/scmroot/gecode
Cloning into '/var/lib/mock/f40-build-2590982-62640/root/chroot_tmpdir/scmroot/gecode'...
$ git fetch origin 0332ddf659e97d78c7510bc7ed36cb6d4653e034:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gecode
 * [new ref]         0332ddf659e97d78c7510bc7ed36cb6d4653e034 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0332ddf Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild