$ git clone -n https://src.fedoraproject.org/rpms/bpftrace.git /var/lib/mock/f39-build-1968893-43311/root/chroot_tmpdir/scmroot/bpftrace
Cloning into '/var/lib/mock/f39-build-1968893-43311/root/chroot_tmpdir/scmroot/bpftrace'...
$ git fetch origin db7469ee4af6528b3df1fdff1fd204ecbd3728cf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/bpftrace
 * [new ref]         db7469ee4af6528b3df1fdff1fd204ecbd3728cf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at db7469e Rebased to version 0.19.1