$ git clone -n https://src.fedoraproject.org/rpms/bpftrace.git /var/lib/mock/f40-build-1615914-24080/root/chroot_tmpdir/scmroot/bpftrace
Cloning into '/var/lib/mock/f40-build-1615914-24080/root/chroot_tmpdir/scmroot/bpftrace'...
$ git fetch origin 88f6c83e73fb89bf69411fb648fc6023130a358c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/bpftrace
 * [new ref]         88f6c83e73fb89bf69411fb648fc6023130a358c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 88f6c83 Rebased to version 0.20.1