# 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

DOWNLOAD="https://github.com/lu-zero/cargo-c/archive/refs/tags/v${BPM_PKG_VERSION}.tar.gz"
DOWNLOAD_LOCK="https://github.com/lu-zero/cargo-c/releases/download/v${BPM_PKG_VERSION}/Cargo.lock"
FILENAME="${DOWNLOAD##*/}"
FILENAME_LOCK="${DOWNLOAD_LOCK##*/}"

# The prepare function is executed in the root of the temp directory
# This function is used for downloading files and putting them into the correct location
prepare() {
  wget "$DOWNLOAD"
  wget "$DOWNLOAD_LOCK"
  tar -xvf "$FILENAME" --strip-components=1 -C "$BPM_SOURCE"
  mv "$FILENAME_LOCK" -t "$BPM_SOURCE"

  cd "$BPM_SOURCE"
  cargo fetch --locked --target "$(rustc -vV | sed -n 's/host: //p')"
}

# The build function is executed in the source directory
# This function is used to compile the source code
build() {
  #export CARGO_TARGET_DIR="target"
  cargo build --release --frozen
}

# 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() {
  cargo test --frozen
}

# The package function is executed in the source directory
# This function is used to move the compiled files into the output directory
package() {
  find target/release -maxdepth 1 -type f -executable -exec install -Dm755 -t "$BPM_OUTPUT"/usr/bin {} +

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