# 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/boostorg/boost/releases/download/boost-${BPM_PKG_VERSION}/boost-${BPM_PKG_VERSION}-b2-nodocs.tar.xz"
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() {
  ./bootstrap.sh --prefix="$BPM_OUTPUT"/usr --with-python=python3
  ./b2 stage -j$(nproc) threading=multi link=shared
}

# 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() {
  cd tools/build/test
  python3 test_all.py
}

# The package function is executed in the source directory
# This function is used to move the compiled files into the output directory
package() {
  ./b2 install --prefix="$BPM_OUTPUT"/usr threading=multi link=shared

  # Install package license
  install -Dm644 "$BPM_SOURCE"/LICENSE_1_0.txt "$BPM_OUTPUT"/usr/share/licenses/boost/LICENSE_1_0.txt
}