# This is the recipe.sh script. It is executed by BPM in a temporary directory when compiling a source package
# BPM Expects the source code to be extracted into the automatically created 'source' directory which can be accessed using $BPM_SOURCE
# BPM Expects the output files to be present in the automatically created 'output' directory which can be accessed using $BPM_OUTPUT

# The build function is executed in the source directory
# This function is used to compile the source code
build() {
  export GOPATH="${BPM_WORKDIR}/go"
  export PATH="$GOPATH/bin:$PATH"
  export CGO_CPPFLAGS="${CPPFLAGS}"
  export CGO_CFLAGS="${CFLAGS}"
  export CGO_CXXFLAGS="${CXXFLAGS}"
  export CGO_LDFLAGS="${LDFLAGS}"
  export LDFLAGS=''
  export GOFLAGS='-buildmode=pie -trimpath -mod=readonly -modcacherw -ldflags=-linkmode=external -ldflags=-compressdwarf=false -ldflags=-B=gobuildid'
  export GO111MODULE=off
  export DISABLE_WARN_OUTSIDE_CONTAINER=1

  mkdir -p "$GOPATH"/src/github.com/docker
  ln -rsT "$BPM_SOURCE" "$GOPATH"/src/github.com/docker/cli
  cd "$GOPATH"/src/github.com/docker/cli
  
  make VERSION=${BPM_PKG_VERSION} dynbinary
  make manpages
}

# The package function is executed in the source directory
# This function is used to move the compiled files into the output directory
package() {
  install -Dm755 build/docker "$BPM_OUTPUT"/usr/bin/docker

  # Install shell completion
  install -Dm644 <(build/docker completion bash) "$BPM_OUTPUT"/usr/share/bash-completion/completions/docker
  install -Dm644 <(build/docker completion zsh) "$BPM_OUTPUT"/usr/share/zsh/site-functions/_docker
  install -Dm644 <(build/docker completion fish) "$BPM_OUTPUT"/usr/share/fish/vendor_completions.d/docker.fish

  # Install package license
  install -Dm644 "$BPM_SOURCE"/LICENSE "$BPM_OUTPUT"/usr/share/licenses/docker/LICENSE
}