# This is the source.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="${LDFLAGS}"
  export GO_LDFLAGS="-linkmode=external -compressdwarf=false -X=github.com/docker/compose/v2/internal.Version=${BPM_PKG_VERSION}"
  export GOFLAGS='-buildmode=pie -trimpath -mod=readonly -modcacherw'

  go build -ldflags "${GO_LDFLAGS}" -trimpath -tags "e2e,kube" -o compose ./cmd
}

# The check function is executed in the source directory
# This function is used to run tests to verify the package has been compiled correctly
check() {
  rm pkg/compose/ps_test.go
  go test -tags "e2e,kube" -v $(go list -tags "e2e,kube" ./... | grep -vE 'e2e')
}

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

  # Create symlink for docker-compose
  install -d "$BPM_OUTPUT"/usr/bin
  ln -sf /usr/libexec/docker/cli-plugins/docker-compose "$BPM_OUTPUT"/usr/bin/docker-compose

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