$ git clone -n https://src.fedoraproject.org/rpms/xsimd.git /var/lib/mock/f40-build-2720685-73064/root/chroot_tmpdir/scmroot/xsimd
Cloning into '/var/lib/mock/f40-build-2720685-73064/root/chroot_tmpdir/scmroot/xsimd'...
$ git fetch origin fe5fa52ebdeb764559f34648b3bc987b9dcae69d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xsimd
 * [new ref]         fe5fa52ebdeb764559f34648b3bc987b9dcae69d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fe5fa52 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild