# 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/vim/vim/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"

  cd "$BPM_SOURCE"
  # Define place for global vimrc file
  sed -E 's|^.*(#define SYS_.*VIMRC_FILE.*").*$|\1|g' -i src/feature.h
  sed -E 's|^.*(#define VIMRC_FILE.*").*$|\1|g' -i src/feature.h

  # Regenerate configure script
  cd src
  autoconf
}

# The build function is executed in the source directory
# This function is used to compile the source code
build() {
  ./configure --prefix=/usr                  \
              --localstatedir=/var/lib/vim   \
              --with-features=huge           \
              --with-compiledby='Arch Linux' \
              --with-wayland=no              \
              --enable-gpm                   \
              --enable-acl                   \
              --with-x=no                    \
              --disable-gui                  \
              --enable-multibyte             \
              --enable-cscope                \
              --enable-netbeans              \
              --enable-perlinterp=dynamic    \
              --enable-python3interp=dynamic \
              --enable-rubyinterp=dynamic    \
              --enable-luainterp=dynamic     \
              --enable-tclinterp=dynamic
  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

  # Remove unused gvim desktop file
  rm "$BPM_OUTPUT"/usr/share/applications/gvim.desktop

  # Install package documentation
  mkdir -p "$BPM_OUTPUT"/usr/share/doc/
  ln -sfv ../vim/vim91/doc "$BPM_OUTPUT"/usr/share/doc/vim

  # Install package license
  install -Dm644 "$BPM_SOURCE"/LICENSE "$BPM_OUTPUT"/usr/share/licenses/vim/LICENSE
}