$ git clone -n https://src.fedoraproject.org/rpms/bcc.git /var/lib/mock/f40-build-2369135-60387/root/chroot_tmpdir/scmroot/bcc
Cloning into '/var/lib/mock/f40-build-2369135-60387/root/chroot_tmpdir/scmroot/bcc'...
$ git fetch origin 110e48716fb75c07bd75ff97aa464bf90572d387:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/bcc
 * [new ref]         110e48716fb75c07bd75ff97aa464bf90572d387 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 110e487 Rebase bcc to v0.29.1 and enable libbpf-tools on s390x