# 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://heasarc.gsfc.nasa.gov/FTP/software/fitsio/c/cfitsio-${BPM_PKG_VERSION}.tar.gz"
FILENAME="${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() {
  mkdir build
  cd build

  cmake -DCMAKE_INSTALL_PREFIX=/usr -DUSE_PTHREADS=ON -DTESTS=OFF -DUTILS=ON ..
  make
}

# 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 build
  ctest
}

# The package function is executed in the source directory
# This function is used to move the compiled files into the output directory
package() {
  cd build
  
  make DESTDIR="$BPM_OUTPUT" install

  # Rename generic binaries
  for binary in imcopy smem speed; do
    mv "$BPM_OUTPUT"/usr/bin/{,cfitsio-}$binary
  done

  install -Dm644 "$BPM_SOURCE"/licenses/License.txt "$BPM_OUTPUT"/usr/share/licenses/cfitsio/License.txt
}