# 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

# The prepare function is executed in the root of the temp directory
# This function is used for putting downloaded files to the correct location or applying patches
prepare() {
  cd "$BPM_SOURCE"
  # Apply patches from https://sourceforge.net/p/expect/patches/24/
  patch -Np1 -i "$BPM_WORKDIR"/expect-c99.patch
  patch -Np1 -i "$BPM_WORKDIR"/expect-configure-c99.patch
  # Apply patches from Fedora
  patch -Np1 -i "$BPM_WORKDIR"/expect-5.45.4-covscan-fixes.patch
  patch -Np0 -i "$BPM_WORKDIR"/expect-5.45-format-security.patch
  patch -Np1 -i "$BPM_WORKDIR"/expect-5.45-exp-log-buf-overflow.patch
  patch -Np1 -i "$BPM_WORKDIR"/expect-5.45-segfault-with-stubs.patch
  patch -Np1 -i "$BPM_WORKDIR"/expect-5.45-mkpasswd-dash.patch
  patch -Np1 -i "$BPM_WORKDIR"/expect-5.32.2-random.patch
  # Apply tcl 9 patches from Fedora
  patch -Np1 -i "$BPM_WORKDIR"/expect-5.45.4-tcl9-const.patch
  patch -Np1 -i "$BPM_WORKDIR"/expect-5.45.4-tcl9-ansi-args.patch
  patch -Np1 -i "$BPM_WORKDIR"/expect-5.45.4-tcl9-varargs.patch
  patch -Np1 -i "$BPM_WORKDIR"/expect-5.45.4-tcl9-panic.patch
  patch -Np1 -i "$BPM_WORKDIR"/expect-5.45.4-tcl9-eval-tokens.patch
  patch -Np1 -i "$BPM_WORKDIR"/expect-5.45.4-tcl9-alloc.patch
  patch -Np1 -i "$BPM_WORKDIR"/expect-5.45.4-tcl9-size.patch
  patch -Np1 -i "$BPM_WORKDIR"/expect-5.45.4-tcl9-mkpasswd.patch

  autoreconf -i
}

# The build function is executed in the source directory
# This function is used to compile the source code
build() {
  export CFLAGS="$CFLAGS -std=gnu17"
  ./configure --prefix=/usr                  \
              --mandir=/usr/share/man        \
              --with-tcl=/usr/lib            \
              --with-tclinclude=/usr/include \
              --enable-shared                \
              --disable-rpath
  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() {
  SHELL=/bin/sh make test | tee tests.log # Save output to file to read la

  set -e
  grep -q 'Files with failing tests' tests.log && exit 1 # Throw error if any files had failing tests
  set +e
}

# 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

  # Create libexpect link
  ln -sf expect"${BPM_PKG_VERSION}"/libexpect"${BPM_PKG_VERSION}".so "$BPM_OUTPUT"/usr/lib/

  # Install package license
  install -Dm644 license.terms "$BPM_OUTPUT"/usr/share/licenses/expect/license.terms
}