$ git clone -n https://src.fedoraproject.org/rpms/zxing-cpp.git /var/lib/mock/f40-build-788778-135321/root/chroot_tmpdir/scmroot/zxing-cpp
Cloning into '/var/lib/mock/f40-build-788778-135321/root/chroot_tmpdir/scmroot/zxing-cpp'...
$ git fetch origin 8e28d49bf4261f7adbc5ea89de57ffc9125ce60f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/zxing-cpp
 * [new ref]         8e28d49bf4261f7adbc5ea89de57ffc9125ce60f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8e28d49 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild