# 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/rust-lang/rust-bindgen/archive/refs/tags/v${BPM_PKG_VERSION}.tar.gz"
FILENAME="${DOWNLOAD##*/}"

# 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 "$DOWNLOAD"
  tar -xvf "$FILENAME" --strip-components=1 -C "$BPM_SOURCE"
}

# The build function is executed in the source directory
# This function is used to compile the source code
build() {
  cargo build --release
}

# 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 --release
}

# 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 target/release/bindgen "$BPM_OUTPUT"/usr/bin/bindgen

  # Generate bash completions
  install -d "$BPM_OUTPUT"/usr/share/bash-completion/completions/
  target/release/bindgen --generate-shell-completions bash > "$BPM_OUTPUT"/usr/share/bash-completion/completions/bindgen

  # Generate zsh completions
  install -d "$BPM_OUTPUT"/usr/share/zsh/site-functions/
  target/release/bindgen --generate-shell-completions zsh > "$BPM_OUTPUT"/usr/share/zsh/site-functions/_bindgen

  install -Dm644 LICENSE "$BPM_OUTPUT"/usr/share/licenses/rust-bindgen/LICENSE
}