#! /usr/bin/env bash

# Stage or queue one or more projects from the same group.
#
# -c
#    Cleanup (remove) previous versions.
#
# -d
#    Distribute only without regenerating or publishing the repository.
#
# -g
#    Distribute and regenerating only without publishing the repository.
#
# -q
#    Publish packages into the queue instead of staging.
#
usage="usage: etc/stage-pkg [<options>] <group> <dir>..."

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; }

repo_name="STAGE.BUILD2.ORG"
repo_dir="staging/repository/1"
repo_host1="stage.build2.org:/var/bpkg/1"
repo_host2=

clean=
dist_only=
gen_only=
group=
dirs=()

while [ $# -gt 0 ]; do
  case $1 in
    -c)
      clean=true
      shift
      ;;
    -d)
      dist_only=true
      shift
      ;;
    -g)
      gen_only=true
      shift
      ;;
    -q)
      repo_name="CPPGET.ORG/QUEUE"
      repo_dir="cppget.org/repository/1/queue"
      repo_host1="cppget.org:/var/bpkg/1/queue"
      repo_host2="queue.cppget.org:/var/bpkg/1/queue"
      shift
      ;;
    *)
      if [ -z "$group" ]; then
	group="$1"
      else
	dirs+=("${1%/}")
      fi
      shift
      ;;
  esac
done

if [ -z "$group" -o "${#dirs[@]}" -eq 0 ]; then
  error "$usage"
fi

mkdir -p /tmp/dist

# Dist individual packages into the repository.
#
function dist() # <group> <dir>
{
  local o="$repo_dir/$1"
  local b="$(basename $2)"
  local d="$2-default"

  # If *-default/ exists, use that (old style out of tree configuration).
  # Otherwise, use the source directory itself (new style forwarded
  # configuration).
  #
  if ! test -d "$d"; then
    d="$2"
    if ! test -d "$d"; then
      error "neither $2-default nor $2 exist"
    fi
  fi

  mkdir -p "$o"

  # Clean up old packages.
  #
  if [ -n "$clean" ]; then
    rm -f "$o/$b"-*
  fi

  b "dist($d/)" config.dist.root=/tmp/dist "config.dist.archives=$owd/$o/tar.gz"
}

for d in "${dirs[@]}"; do
  dist "$group" "$d"
done

if [ -n "$dist_only" ]; then
  exit 0
fi

# Regenerate the repository.
#
info "Insert $repo_name signing key and press Enter"
read
etc/rep-update "$repo_dir/" \
 --openssl-option -engine --openssl-option pkcs11 \
 --openssl-option -keyform --openssl-option engine \
 --key "label_SIGN key"

if [ -n "$gen_only" ]; then
  exit 0
fi

# Sync repository.
#
info "Press Enter to start package upload"
read

etc/rep-publish "$repo_dir/" "$repo_host1/" $rsync_ops

if [ -n "$repo_host2" ]; then
  etc/rep-publish "$repo_dir/" "$repo_host2/" $rsync_ops
fi