#! /usr/bin/env bash

# Stage or queue build2 packages and distributions.
#
# -b
#    Packages baseutils/mingw.
# -q
#    Put packages into the queue instead of staging.
# -p
#    Regenerate build2-toolchain into queue's 0/ and update the checksums file
#    but don't do anything else.
#
usage="usage: etc/stage"

rsync_ops="--progress"

owd=`pwd`
trap "{ cd $owd; exit 1; }" ERR
set -o errtrace # Trap in functions.

function info () { echo "$*" 1>&2; }
function error () { info "$*"; exit 1; }

v="$(sed -n -re 's/^version: ([^.]+\.[^.]+\.[^-]+(-[ab]\.[^.+]+)?).*$/\1/p' build2-toolchain/manifest)"
vf="$(echo $v | sed -re 's/^([^.]*)\.([^.]*)\.([^-]*).*$/\1.\2.\3/')" # Final.

if [ -z "$v" -o -z "$vf" ]; then
  error "unable to extract version from build2-toolchain/version"
fi

mode=
base=
dist_src=staging/0
dist_dst=stage.build2.org:/var/www/stage.build2.org/public/0

while [ $# -gt 0 ]; do
  case $1 in
    -b)
      base=true
      shift
      ;;
    -q)
      mode=-q
      dist_src=cppget.org/0
      dist_dst=build2.org:/var/www/download.build2.org/public/queue
      shift
      ;;
    -p)
      mode=-p
      dist_src=cppget.org/0
      dist_dst=example.org/not-used
      shift
      ;;
    *)
      error "unexpected $1"
      ;;
  esac
done

mkdir -p "$dist_src/$v"

# Generate baseutils if requested.
#
if [ -n "$base" ]; then
  cd private/baseutils

  echo "$v" >version

  ./pkdist -n baseutils -d "$vf" -p "$vf/list-i686" \
-c control -s ./pkpost \
-z "/tmp/build2-baseutils-$v-i686-windows"

  ./pkdist -n baseutils -d "$vf" -p "$vf/list-x86_64" \
-c control -s ./pkpost \
-z "/tmp/build2-baseutils-$v-x86_64-windows"

  ./pkdist -n mingw -d "mingw-$vf" -p "mingw-$vf/list-i686" \
-c ./control-mingw-i686 -s ./pkpost-mingw -u http://repo.msys2.org/mingw \
-x "/tmp/build2-mingw-$v-i686-windows"

  ./pkdist -n mingw -d "mingw-$vf" -p "mingw-$vf/list-x86_64" \
-c ./control-mingw-x86_64 -s ./pkpost-mingw -u http://repo.msys2.org/mingw \
-x "/tmp/build2-mingw-$v-x86_64-windows"

  cd ../..

  mv "/tmp/build2-baseutils-$v-i686-windows.zip" "$dist_src/$v/"
  mv "/tmp/build2-baseutils-$v-i686-windows.zip.sha256" "$dist_src/$v/"

  mv "/tmp/build2-baseutils-$v-x86_64-windows.zip" "$dist_src/$v/"
  mv "/tmp/build2-baseutils-$v-x86_64-windows.zip.sha256" "$dist_src/$v/"

  mv "/tmp/build2-mingw-$v-i686-windows.tar.xz" "$dist_src/$v/"
  mv "/tmp/build2-mingw-$v-i686-windows.tar.xz.sha256" "$dist_src/$v/"

  mv "/tmp/build2-mingw-$v-x86_64-windows.tar.xz" "$dist_src/$v/"
  mv "/tmp/build2-mingw-$v-x86_64-windows.tar.xz.sha256" "$dist_src/$v/"
fi

mkdir -p /tmp/dist

# Dist build2-toolchain.
#
# @@ .sha256 sums: make sure they don't contain full paths!

# Cleanup old stuff.
#
rm -f "$owd/$dist_src/$v"/build2-toolchain-*

b "dist(build2-toolchain-default/)" \
  "config.dist.archives=$owd/$dist_src/$v/tar.xz $owd/$dist_src/$v/tar.gz"

cd "$owd/$dist_src/$v/"

tv="$(echo build2-toolchain-*.tar.gz | sed -re 's/build2-toolchain-(.+).tar.gz/\1/')"

sha256sum -b "build2-toolchain-$tv.tar.gz" >"build2-toolchain-$tv.tar.gz.sha256"
sha256sum -b "build2-toolchain-$tv.tar.xz" >"build2-toolchain-$tv.tar.xz.sha256"

cd "$owd"

# Prepare the toolchain.sha256 checksums file.
#
function checksum_line () # <file>
{
  local s
  s="$(sed -n -re 's/^([^ ]+) .+$/\1/p' "$dist_src/$v/$1.sha256")"
  echo "$s *$v/$1" >>"$dist_src/toolchain.sha256"
}

echo "# $tv" >"$dist_src/toolchain.sha256"
checksum_line "build2-toolchain-$tv.tar.xz"              # Must be first.
checksum_line "build2-baseutils-$v-x86_64-windows.zip"
checksum_line "build2-mingw-$v-x86_64-windows.tar.xz"
#checksum_line "build2-baseutils-$v-i686-windows.zip"
#checksum_line "build2-mingw-$v-i686-windows.tar.xz"

if [ "$mode" = "-p" ]; then
  exit 0
fi

# Sync the distribution.
#
# Note that we do the distribution first so that the toolchain changes are
# visible before package changes. This is relied upon by the Build OS monitor.
#
info "Press Enter to start distribution upload"
read
rsync -v -rlpt -c --copy-unsafe-links --prune-empty-dirs --delete-after \
  $rsync_ops "$dist_src/" "$dist_dst/"

# Distribute packages, regenerate and sync the repository.
#
etc/stage-pkg -c $mode -d apr packaging/apr/libapr1
etc/stage-pkg -c $mode -d postgresql packaging/postgresql/libpq

etc/stage-pkg -c $mode -d sqlite \
	      packaging/sqlite/libsqlite3 \
	      packaging/sqlite/sqlite3

etc/stage-pkg -c $mode -d studxml ../studxml/libstudxml

etc/stage-pkg -c $mode -d odb \
	      ../odb/builds/default/libodb \
	      ../odb/builds/default/libodb-sqlite \
	      ../odb/builds/default/libodb-pgsql

etc/stage-pkg -c $mode build2 \
	      libbutl \
	      build2 \
	      libbpkg \
	      bpkg \
	      libbbot \
	      brep \
	      bbot \
              libstd-modules