buildctl should honor opts and pass them to build.sh scripts

*** 1,9 ****
--- 1,10 ----
  #!/usr/bin/bash
  
  NOBANNER=1
  batch_flag=""
+ lint_flag=""
  if [ "${BATCH}" = 1 ]; then
      echo "Enabling batch mode."
      batch_flag="-b"
  fi
  . ../lib/functions.sh
*** 116,126 ****
                  pkgsend -s $PKGSRVR publish $SCRIPT.final || \
                      bail "pkgsend failed"
                  rm $SCRIPT.final
              fi
          else
!             PATH=$PATH:. $SCRIPT -r $PKGSRVR $batch_flag || \
                  logerr "Unable to run $SCRIPT"
          fi
      popd >/dev/null
  }
  
--- 117,127 ----
                  pkgsend -s $PKGSRVR publish $SCRIPT.final || \
                      bail "pkgsend failed"
                  rm $SCRIPT.final
              fi
          else
!             PATH=$PATH:. $SCRIPT -r $PKGSRVR $batch_flag $lint_flag || \
                  logerr "Unable to run $SCRIPT"
          fi
      popd >/dev/null
  }
  
*** 146,155 ****
--- 147,168 ----
  }
  
  DEFAULT_PKGSRVR=$PKGSRVR
  DEFAULT_PKGPUBLISHER=$PKGPUBLISHER
  
+ # When we get here, honor any -l or -b flags from the buildctl command line,
+ # or even the environment.
+ 
+ if [ "${BATCH}" = 1 ]; then
+     logmsg "Enabling batch mode."
+     batch_flag="-b"
+ fi
+ if [ "${SKIP_PKGLINT}" = 1 ]; then
+     logmsg "Disabling pkglint."
+     lint_flag="-l"
+ fi
+ 
  case "$1" in
      list)
          list $2
          exit
          ;;