$ git clone -n https://src.fedoraproject.org/rpms/libfido2.git /var/lib/mock/f40-build-786397-134249/root/chroot_tmpdir/scmroot/libfido2
Cloning into '/var/lib/mock/f40-build-786397-134249/root/chroot_tmpdir/scmroot/libfido2'...
$ git fetch origin 670c0b774727285e1a0171aaf84772d084efcc5b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libfido2
 * [new ref]         670c0b774727285e1a0171aaf84772d084efcc5b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 670c0b7 Rebuilt for libcbor 0.11.0