language: generic

sudo: false

jobs:
  include:
    - name: Build OSX Binary
      os: osx
      cache:
        timeout: 1000
        directories:
          - $HOME/.stack
          - $HOME/.local/bin
      before_install:
        - mkdir -p "$HOME/.local/bin"
        - export PATH="$PATH:$HOME/.local/bin"
      install:
        - |
          if test -f "$HOME/.local/bin/stack"
            then
              echo 'Stack is already installed.'
            else
              echo "Installing Stack..."
              travis_retry curl -L https://www.stackage.org/stack/osx-x86_64 > stack.tar.gz
              gunzip stack.tar.gz
              tar -x -f stack.tar --strip-components 1
              mv stack "$HOME/.local/bin/"
              rm stack.tar
          fi
        - |
          if test -f "$HOME/.local/bin/ghr"
          then
            echo 'ghr is already installed.'
          else
            echo "Installing ghr..."
            travis_retry curl -L https://github.com/tcnksm/ghr/releases/download/v0.5.4/ghr_v0.5.4_darwin_386.zip > ghr.zip
            unzip ghr.zip -d "$HOME/.local/bin"
            rm ghr.zip
          fi
      script:
        - |
          if test "$TRAVIS_TAG" = "nightly"
          then
            cabal_nightly_version=$(git show -s --format='%cd' --date='format:%Y%m%d')
            sed -i '' "s/^version:.*/version:$cabal_nightly_version/" postgrest.cabal
          fi
        ## Building the whole project can take longer than 50 minutes. Since Travis has a global timeout of 50 minutes
        ## we compile for 30 minutes tops(`gtimeout 1800`) and quit compiling with no error.
        ## Since we CACHE the compile results we can continue compiling from where we left off
        ## on the next commit.
        - gtimeout 1800 stack build --no-terminal --only-snapshot --install-ghc || (($?==124))
        - |
          if test ! "$TRAVIS_TAG"
          then
            echo 'No tag pushed. Skip building binary.'
          else
            stack build --no-terminal --copy-bins --local-bin-path .
          fi
        - |
          if test ! "$TRAVIS_TAG"
          then
            echo 'No tag pushed. Skipping release.'
          else
            owner="$(echo "$TRAVIS_REPO_SLUG" | cut -f1 -d/)"
            repo="$(echo "$TRAVIS_REPO_SLUG" | cut -f2 -d/)"
            if test $TRAVIS_TAG = "nightly"
            then
              suffix=$(git show -s --format="%cd-%h" --date="format:%Y-%m-%d-%H-%M")
              strip postgrest
              tar cJf postgrest-nightly-$suffix-osx.tar.xz postgrest
              ghr -t $GITHUB_TOKEN -u $owner -r $repo --replace nightly postgrest-nightly-$suffix-osx.tar.xz
            else
              start=$TRAVIS_TAG
              end='## \['
              body=$(sed -n "1,/$start/d;/$end/q;p" CHANGELOG.md)
              strip postgrest
              tar cJf postgrest-$TRAVIS_TAG-osx.tar.xz postgrest
              ghr -t $GITHUB_TOKEN -u $owner -r $repo -b "$body"--replace $TRAVIS_TAG postgrest-$TRAVIS_TAG-osx.tar.xz
            fi
          fi