# 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://ftp.gnu.org/gnu/readline/readline-${BPM_PKG_VERSION%.*}.tar.gz"
DOWNLOAD_PATCH_BASE="https://ftp.gnu.org/gnu/readline/readline-${BPM_PKG_VERSION%.*}-patches/readline$(echo ${BPM_PKG_VERSION%.*} | tr -d '.')"
FILENAME="${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"

  # Download and apply official patches
  cd "$BPM_SOURCE"
  for patch in $(seq "${BPM_PKG_VERSION##*.}"); do
    wget -O "${patch}.patch" "${DOWNLOAD_PATCH_BASE}-$(printf '%03d' ${patch})"
    patch -Np0 -i "${patch}.patch"
  done

  # Apply local patches
  patch -Np2 < "$BPM_WORKDIR"/8.3.0-display-null-prompt.patch

  autoconf -fiv
}

# The build function is executed in the source directory
# This function is used to compile the source code
build() {
  ./configure --prefix=/usr     \
              --disable-static   \
              --with-curses      \
              --docdir=/usr/share/doc/readline
  make SHLIB_LIBS="-lncursesw"
}

# 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() {
  make check
}

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

  # Install documentation
  install -d "$BPM_OUTPUT"/usr/share/doc/readline
  install -m644 doc/*.{ps,pdf,html,dvi} "$BPM_OUTPUT"/usr/share/doc/

  # Install package license
  install -Dm644 COPYING "$BPM_OUTPUT"/usr/share/licenses/readline/COPYING
}