$ git clone -n https://src.fedoraproject.org/rpms/sane-frontends.git /var/lib/mock/f29-build-1018-441/root/thebuilddir/tmp/scmroot/sane-frontends
Cloning into '/var/lib/mock/f29-build-1018-441/root/thebuilddir/tmp/scmroot/sane-frontends'...
$ git reset --hard b0ec5f0e0acfbe182489d360a99403ce2e3e7575
HEAD is now at b0ec5f0 gcc is no longer in buildroot by default