.travis-ci.sh

echo pull req: $TRAVIS_PULL_REQUEST

if [ "$TRAVIS_PULL_REQUEST" != "false" ]; then
  curl https://github.com/$TRAVIS_REPO_SLUG/pull/$TRAVIS_PULL_REQUEST.diff -o pullreq.diff
else
  git show > pullreq.diff.tmp
  merge=`grep "^Merge: " pullreq.diff.tmp | awk -F: '{print $2}'`
  if [ "$merge" = "" ]; then
    echo Not a merge
    mv pullreq.diff.tmp pullreq.diff
  else
    echo Merge detected, extracting $merge diff
    git show $merge > pullreq.diff
  fi
fi

# Install OCaml and OPAM PPAs
case "$OCAML_VERSION,$OPAM_VERSION" in
3.12.1,1.0.0) ppa=avsm/ocaml312+opam10 ;;
3.12.1,1.1.0) ppa=avsm/ocaml312+opam11 ;;
4.00.1,1.0.0) ppa=avsm/ocaml40+opam10 ;;
4.00.1,1.1.0) ppa=avsm/ocaml40+opam11 ;;
4.01.0,1.0.0) ppa=avsm/ocaml41+opam10 ;;
4.01.0,1.1.0) ppa=avsm/ocaml41+opam11 ;;
*) echo Unknown $OCAML_VERSION,$OPAM_VERSION; exit 1 ;;
esac

echo "yes" | sudo add-apt-repository ppa:$ppa
sudo apt-get update -qq
sudo apt-get install -qq ocaml ocaml-native-compilers camlp4-extra opam time

echo OCaml version
ocaml -version
echo OPAM versions
opam --version
opam --git-version

export OPAMYES=1

cd $TRAVIS_BUILD_DIR
echo Pull request:
cat pullreq.diff
# CR: this will be replaced with the OCamlot analysis of affected packages
cat pullreq.diff | sort -u | grep '^... b/packages' | sed -E 's,\+\+\+ b/packages/.*/(.*)/.*,\1,' | grep -v '^files' | awk -F. '{print $1}'| sort -u > tobuild.txt
echo To Build:
cat tobuild.txt

function build_one {
  pkg=$1
  echo build one: $pkg
  rm -rf ~/.opam
  opam init .
  # list all packages changed from opam 1.0 to 1.1
  case "$OPAM_VERSION" in
  1.0.0) allpkgs=`opam list -s` ;;
  *) allpkgs=`opam list -s -a` ;;
  esac
  # test for installability
  ok=0
  for pkgi in $allpkgs; do if [ "$pkgi" = "$pkg" ]; then ok=1; fi; done
  if [ $ok = "0" ]; then
    echo Skipping $pkg as not installable
  else
    depext=`opam install $pkg -e ubuntu`
    echo Ubuntu depexts: $depext
    if [ "$depext" != "" ]; then
      sudo apt-get install -qq pkg-config build-essential m4 $depext
    fi
    srcext=`opam install $pkg -e source,linux`
    if [ "$srcext" != "" ]; then
      curl -sL ${srcext} | bash
    fi  
    opam install $pkg
    opam remove $pkg
    if [ "$depext" != "" ]; then
      sudo apt-get remove $depext
      sudo apt-get autoremove
    fi
  fi
}

for i in `cat tobuild.txt`; do
  build_one $i
done