#!/bin/bash

set -e

script/bootstrap

# export this path right here (was in script/spec before)

export SASS_LIBSASS_PATH="$( cd "$( dirname "${BASH_SOURCE[0]}" )"/../ && pwd )"

# use some defaults if not running under travis ci

if [ "x$CONTINUOUS_INTEGRATION" == "x" ]; then export CONTINUOUS_INTEGRATION=true; fi

if [ "x$TRAVIS_BUILD_DIR" == "x" ]; then export TRAVIS_BUILD_DIR=$(pwd); fi

if [ "x$SASS_SASSC_PATH" == "x" ]; then export SASS_SASSC_PATH=$(pwd)/sassc; fi

if [ "x$SASS_SPEC_PATH" == "x" ]; then export SASS_SPEC_PATH=$(pwd)/sass-spec; fi

# try to get the os name from uname (and filter via perl - probably not the most portable way?)

if [ "x$TRAVIS_OS_NAME" == "x" ]; then export TRAVIS_OS_NAME=`uname -s | perl -ne 'print lc \$1 if\(/^([a-zA-Z]+)/'\)`; fi

if [ "x$COVERAGE" == "xyes" ]; then

  COVERAGE_OPT="--enable-coverage"

  export EXTRA_CFLAGS="-fprofile-arcs -ftest-coverage"

  export EXTRA_CXXFLAGS="-fprofile-arcs -ftest-coverage"

  if [ "$TRAVIS_OS_NAME" == "osx" ]; then

    # osx doesn't seem to know gcov lib?

    export EXTRA_LDFLAGS="--coverage"

  else

    export EXTRA_LDFLAGS="-lgcov --coverage"

  fi

else

  COVERAGE_OPT="--disable-coverage"

fi

if [ "x$BUILD" == "xstatic" ]; then

  SHARED_OPT="--disable-shared --enable-static"

  MAKE_TARGET="static"

else

  # Makefile of sassc wants to link to static

  SHARED_OPT="--enable-shared --enable-static"

  MAKE_TARGET="shared"

fi

if [ "$(expr substr $(uname -s) 1 10)" == "MINGW32_NT" ]; then

  MAKE_OPTS="$MAKE_OPTS -j1 V=1"

else

  MAKE_OPTS="$MAKE_OPTS -j5 V=1"

fi

if [ "x$PREFIX" == "x" ]; then

  if [ "x$TRAVIS_BUILD_DIR" == "x" ]; then

    PREFIX=$SASS_LIBSASS_PATH/build

  else

    PREFIX=$TRAVIS_BUILD_DIR/build

  fi

fi

# enable address sanitation

# https://en.wikipedia.org/wiki/AddressSanitizer

if [ "x$CC" == "xclang" ]; then

  if [ "x$COVERAGE" != "xyes" ]; then

    if [ "$TRAVIS_OS_NAME" == "linux" ]; then

      export EXTRA_CFLAGS="$EXTRA_CFLAGS -fsanitize=address"

      export EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS -fsanitize=address"

      export EXTRA_LDFLAGS="$EXTRA_LDFLAGS -fsanitize=address"

    fi

  fi

fi

echo SASS_LIBSASS_PATH: $SASS_LIBSASS_PATH

echo TRAVIS_BUILD_DIR: $TRAVIS_BUILD_DIR

echo SASS_SASSC_PATH: $SASS_SASSC_PATH

echo SASS_SPEC_PATH: $SASS_SPEC_PATH

echo INSTALL_LOCATION: $PREFIX

if [ "x$AUTOTOOLS" == "xyes" ]; then

  echo -en 'travis_fold:start:configure\r'

  autoreconf --force --install

  ./configure --enable-tests $COVERAGE_OPT \

    --disable-silent-rules \

    --with-sassc-dir=$SASS_SASSC_PATH \

    --with-sass-spec-dir=$SASS_SPEC_PATH \

    --prefix=$PREFIX \

    ${SHARED_OPT}

  echo -en 'travis_fold:end:configure\r'

  make $MAKE_OPTS clean

  # install to prefix directory

  PREFIX="$PREFIX" make $MAKE_OPTS install

else

  make $MAKE_OPTS clean

fi

# install to prefix directory

PREFIX="$PREFIX" make $MAKE_OPTS install

ls -la $PREFIX/*

echo successfully compiled libsass

echo AUTOTOOLS=$AUTOTOOLS COVERAGE=$COVERAGE BUILD=$BUILD

if [ "$CONTINUOUS_INTEGRATION" == "true" ] && [ "$TRAVIS_PULL_REQUEST" != "false" ] && [ "x$TRAVIS_PULL_REQUEST" != "x" ] &&

   ([ "$TRAVIS_OS_NAME" == "linux" ] || [ "$TRAVIS_OS_NAME" == "osx" ] || [ "$TRAVIS_OS_NAME" == "cygwin" ]);

then

  echo "Fetching PR $TRAVIS_PULL_REQUEST"

  JSON=$(curl -L -sS https://api.github.com/repos/sass/libsass/pulls/$TRAVIS_PULL_REQUEST)

  if [[ $JSON =~ "API rate limit exceeded" ]];

  then

    echo "Travis rate limit on github exceeded"

    echo "Retrying via 'special purpose proxy'"

    JSON=$(curl -L -sS http://libsass.ocbnet.ch/libsass-spec-pr.psgi/$TRAVIS_PULL_REQUEST)

  fi

  RE_SPEC_PR="sass\/sass-spec(#|\/pull\/)([0-9]+)"

  if [[ $JSON =~ $RE_SPEC_PR ]];

  then

    SPEC_PR="${BASH_REMATCH[2]}"

    echo "Fetching Sass Spec PR $SPEC_PR"

    git -C sass-spec fetch -u origin pull/$SPEC_PR/head:ci-spec-pr-$SPEC_PR

    git -C sass-spec checkout --force ci-spec-pr-$SPEC_PR

    LD_LIBRARY_PATH="$PREFIX/lib/" make $MAKE_OPTS test_probe

  else

    LD_LIBRARY_PATH="$PREFIX/lib/" make $MAKE_OPTS test_probe

  fi

else

  LD_LIBRARY_PATH="$PREFIX/lib/" make $MAKE_OPTS test_probe

fi