#!/bin/bash
set -e


echo "Spell check"
cd $(git rev-parse --show-toplevel)

if [[ ! -z  $TRAVIS_PULL_REQUEST_BRANCH  ]]; then
  # if on a PR, just analyse the changed files
  echo "TRAVIS PR BRANCH: $TRAVIS_PULL_REQUEST_BRANCH"
  FILES=$(git diff --diff-filter=AM --name-only $(git merge-base HEAD master) | tr '\n' ' ' )
  export PATH=${HOME}/osgeo4travis/bin:${PATH}
elif [[ ! -z  $TRAVIS_COMMIT_RANGE  ]]; then
  echo "TRAVIS COMMIT RANGE: $TRAVIS_COMMIT_RANGE"
  FILES=$(git diff --diff-filter=AM --name-only ${TRAVIS_COMMIT_RANGE/.../..} | tr '\n' ' ' )
  export PATH=${HOME}/osgeo4travis/bin:${PATH}
else
  echo "Running spell test on all files (might take a while)"
  FILES=""
fi

if [[ ! -z $FILES ]]; then
  DIR=$(git rev-parse --show-toplevel)/scripts/spell_check
  ${DIR}/check_spelling.sh -r $FILES
fi