# 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="${BPM_WORKDIR}/go"
  export CGO_CPPFLAGS="${CPPFLAGS}"
  export CGO_CFLAGS="${CFLAGS}"
  export CGO_CXXFLAGS="${CXXFLAGS}"
  export CGO_LDFLAGS="${LDFLAGS}"
  export GOFLAGS='-buildmode=pie -trimpath -mod=readonly -modcacherw'

  go build -mod=vendor -o docker-buildx -ldflags "-linkmode=external -compressdwarf=false -X github.com/docker/buildx/version.Version=${BPM_PKG_VERSION}" ./cmd/buildx
}

# 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 docker-buildx "$BPM_OUTPUT"/usr/libexec/docker/cli-plugins/docker-buildx

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