$ git clone -n https://src.fedoraproject.org/rpms/hyperhdr.git /var/lib/mock/f42-build-3346778-45002/root/chroot_tmpdir/scmroot/hyperhdr
Cloning into '/var/lib/mock/f42-build-3346778-45002/root/chroot_tmpdir/scmroot/hyperhdr'...
$ git fetch origin ea3a1cbbd4fbe54fd53d2f2444e76d9acfc1ff23:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/hyperhdr
 * [new ref]         ea3a1cbbd4fbe54fd53d2f2444e76d9acfc1ff23 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ea3a1cb Rebuilt for flatbuffers 25.2.10