Support for PREBUILT_ILLUMOS, and optional /tmp/debug.$$ output.

*** 163,185 ****
  }
  
  push_pkgs() {
      logmsg "Entering $CODEMGR_WS"
      pushd $CODEMGR_WS > /dev/null
-     logmsg "Intentional pause: Last chance to sanity-check before publication!"
      logmsg "Pushing illumos pkgs to $PKGSRVR..."
      ask_to_continue
      logcmd pkgrecv -s packages/i386/nightly-nd/repo.redist/ -d $PKGSRVR 'pkg:/*'
      logmsg "Leaving $CODEMGR_WS"
      popd > /dev/null
  }
  
  init
  prep_build
! sunstudio_location
! clone_source
! modify_build_script
! closed_bins
! build_tools
! build_pkgs
! push_pkgs
  clean_up
--- 163,202 ----
  }
  
  push_pkgs() {
      logmsg "Entering $CODEMGR_WS"
      pushd $CODEMGR_WS > /dev/null
      logmsg "Pushing illumos pkgs to $PKGSRVR..."
+     if [[ -z $BATCH ]]; then
+         logmsg "Intentional pause: Last chance to sanity-check before publication!"
          ask_to_continue
+     fi
      logcmd pkgrecv -s packages/i386/nightly-nd/repo.redist/ -d $PKGSRVR 'pkg:/*'
      logmsg "Leaving $CODEMGR_WS"
      popd > /dev/null
  }
  
  init
  prep_build
! if [ -d ${PREBUILT_ILLUMOS:-/dev/null} ]; then
!     wait_for_prebuilt
!     # Check for existing packages, or for freshly built ones if we pwaited.
!     if [ -d $PREBUILT_ILLUMOS/packages/i386/nightly-nd/repo.redist ]; then
!         logmsg "Using illumos-omnios pre-compiled at $PREBUILT_ILLUMOS"
!         CODEMGR_WS=$PREBUILT_ILLUMOS
!         push_pkgs
!     else
!         logmsg "No $PREBUILT_ILLUMOS/packages/i386/nightly-nd/repo.redist"
!         if [[ -z $BATCH ]]; then
!             ask_to_continue
!         fi
!     fi
! else
!     sunstudio_location
!     clone_source
!     modify_build_script
!     closed_bins
!     build_tools
!     build_pkgs
!     push_pkgs
! fi
  clean_up