# 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://www.nasm.us/pub/nasm/releasebuilds/${BPM_PKG_VERSION}/nasm-${BPM_PKG_VERSION}.tar.xz"
DOWNLOAD_DOCS="https://www.nasm.us/pub/nasm/releasebuilds/${BPM_PKG_VERSION}/nasm-${BPM_PKG_VERSION}-xdoc.tar.xz"
FILENAME="${DOWNLOAD##*/}"
FILENAME_DOCS="${DOWNLOAD_DOCS##*/}"

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

# The build function is executed in the source directory
# This function is used to compile the source code
build() {
  ./configure --prefix=/usr
  make
}

# The package function is executed in the source directory
# This function is used to move the compiled files into the output directory
package() {
  make DESTDIR="$BPM_OUTPUT" install
  install -m755 -d "$BPM_OUTPUT"/usr/share/doc/nasm/html
  cp -v doc/html/*.html "$BPM_OUTPUT"/usr/share/doc/nasm/html
  cp -v doc/*.{txt,ps,pdf} "$BPM_OUTPUT"/usr/share/doc/nasm

  install -Dm644 "$BPM_SOURCE"/LICENSE "$BPM_OUTPUT"/usr/share/licenses/nasm/LICENSE
}