# 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/yshui/picom/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() {
  meson setup --prefix=/usr --libdir=/usr/lib --buildtype=release -Dopengl=true -Dwith_docs=true build
  meson compile -C build
}

# The package function is executed in the source directory
# This function is used to move the compiled files into the output directory
package() {
  meson install -C build --destdir="$BPM_OUTPUT"

  # Install default configuraiton
  install -Dm644 "$BPM_SOURCE"/picom.sample.conf "$BPM_OUTPUT"/etc/xdg/picom.conf

  # Install package license
  install -Dm644 "$BPM_SOURCE"/LICENSES/* -t "$BPM_OUTPUT"/usr/share/licenses/picom/
}