$ git clone -n https://src.fedoraproject.org/rpms/libbsd.git /var/lib/mock/f40-build-2726686-73126/root/chroot_tmpdir/scmroot/libbsd
Cloning into '/var/lib/mock/f40-build-2726686-73126/root/chroot_tmpdir/scmroot/libbsd'...
$ git fetch origin 3b243e93e0f0a6c6246674b10d15889bde16efdb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libbsd
 * [new ref]         3b243e93e0f0a6c6246674b10d15889bde16efdb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3b243e9 Avoid multilib conflict on /usr/include/bsd/sys/cdefs.h (#2273347)