# 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://cmake.org/files/v${BPM_PKG_VERSION%.*}/cmake-${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() {
  # Install in /usr/lib instead of /usr/lib64
  sed -i '/"lib64"/s/64//' Modules/GNUInstallDirs.cmake

  ./bootstrap --prefix=/usr        \
              --system-libs        \
              --mandir=/share/man  \
              --no-system-cppdap   \
              --no-system-librhash \
              --docdir=/share/doc/cmake
  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() {
   LC_ALL=en_US.UTF-8 bin/ctest -j$(nproc) -E "RunCMake.ExternalProject"
}

# 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 -Dm644 LICENSE.rst "$BPM_OUTPUT"/usr/share/licenses/cmake/LICENSE.rst
}