githook-pre-commit

#!/usr/bin/env bash

## Create pre-commit symlink if unset ##
GITDIR="";
if [ -d .git ]; then
  GITDIR=".git";
elif [ -f .git ]; then
  GITDIR=$(sed -n '/^gitdir:/{ s|.*: ||; p; }' .git);
fi
if [ ! -d "$GITDIR" ]; then
  echo "${0##*/}: error: unable to find git directory" 1>&2;
  exit 1;
fi
if [ ! -h "$GITDIR/hooks/pre-commit" ]; then
  if [ $(realpath --help 2>&1 | grep -c relative) != 0 ]; then
    HOOK=$(realpath --relative-to="$GITDIR/hooks" ./githook-pre-commit);
  else
    HOOK=$(readlink -f ./githook-pre-commit);
  fi
  ln -fs "$HOOK" "$GITDIR/hooks/pre-commit";
  echo "${0##*/}: creating git pre-commit hook symlink" 1>&2;
  exit 1;
fi


## Update versions on files ##
FILES=( $(git status --porcelain | sed -r 's|^ |_|; s|^(.) |\1_|;' | grep -E '^([MRA]|.M)' | grep -v '^R_') );
V=$(date -u +%Y.%m.%d);

check_change_after_staged () {
  [ "${2:1:1}" = "M" ] &&
    echo "${0##*/}: error: aborting due to file change: $1" 1>&2 &&
    exit 1;
}

VERSION_UPDATED=( - );
update_file_version () {
  echo "${0##*/}: updating version of $1" 1>&2;
  sed -r -i 's|([$"])Version:[^$"]*([$"])|\1Version: '"$V"'\2|' "$1";
  git add "$1";
  VERSION_UPDATED+=( "$1" );
}

already_updated () {
  echo $(printf "%s\n" "${VERSION_UPDATED[@]}" | grep -c "^$1\$");
}

n=1;
while [ "$n" -lt "${#FILES[@]}" ]; do
  check_change_after_staged "${FILES[$n]}" "${FILES[$((n-1))]}";
  [ $(already_updated "${FILES[$n]}") = 0 ] &&
    case "${FILES[$n]}" in
      *.cc )
        update_file_version "${FILES[$n]}";
        [ -e "${FILES[$n]/.cc/.h}" ] &&
          update_file_version "${FILES[$n]/.cc/.h}";
        ;;
      *.h )
        update_file_version "${FILES[$n]}";
        [ -e "${FILES[$n]/.h/.cc}" ] &&
          update_file_version "${FILES[$n]/.h/.cc}";
        ;;
      *.py )
        update_file_version "${FILES[$n]}";
        echo "${0##*/}: pylint --errors-only --extension-pkg-whitelist=cv2 ${FILES[$n]}" 1>&2;
        pylint --errors-only --extension-pkg-whitelist=cv2 "${FILES[$n]}";
        [ "$?" != 0 ] && exit 1;
        ;;
    esac
  n=$((n+2));
done

if [ "${#VERSION_UPDATED[@]}" -gt 0 ]; then
  echo "## Test pagexml python wrapper ##"
  cd py-pagexml;
  ./setup.py test;
  [ "$?" != 0 ] && exit 1;
  cd ..;

  echo "## Test textfeat python wrapper ##"
  cd py-textfeat;
  ./setup.py test;
  [ "$?" != 0 ] && exit 1;
  cd ..;
fi

## Only when bumping version ##
if [ "${BUMPVERSION_NEW_VERSION+x}" != "" ]; then
  if [ "${#VERSION_UPDATED[@]}" -gt 0 ]; then
    echo "## Update swig docstrings ##"
    cd lib;
    doxygen &&
      ../doxy2swig/doxy2swig.py xml/class_page_x_m_l.xml --output ../py-pagexml/pagexml/PageXML_doxy2swig.i &&
      ../doxy2swig/doxy2swig.py xml/class_text_feat_extractor.xml --output ../py-textfeat/textfeat/TextFeatExtractor_doxy2swig.i;
    [ "$?" != 0 ] && exit 1;
    cd ..;
    git add py-pagexml/pagexml/PageXML_doxy2swig.i py-textfeat/textfeat/TextFeatExtractor_doxy2swig.i;

    echo "## Update pagexml documentation ##"
    cd py-pagexml;
    ./setup.py build_sphinx --quiet --builder html --version $V --release $V &&
      rm -r ../docs/py-pagexml/{_modules,_sources} ../docs/py-pagexml/*.* &&
      mv sphinx/_build/html/{_modules,_sources} sphinx/_build/html/*.* ../docs/py-pagexml &&
      mv sphinx/_build/html/_static/documentation_options.js ../docs/py-pagexml/_static &&
      find ../docs/py-pagexml -name '*.html' -or -name '*.js' \
        | grep -v _static \
        | xargs sed -i 's|pagexml\.swigPageXML|pagexml|g';
    [ "$?" != 0 ] && exit 1;
    cd ..;
    git add docs/py-pagexml;

    echo "## Update textfeat documentation ##"
    cd py-textfeat;
    ./setup.py build_sphinx --quiet --builder html --version $V --release $V &&
      rm -r ../docs/py-textfeat/{_modules,_sources} ../docs/py-textfeat/*.* &&
      mv sphinx/_build/html/{_modules,_sources} sphinx/_build/html/*.* ../docs/py-textfeat &&
      mv sphinx/_build/html/_static/documentation_options.js ../docs/py-textfeat/_static &&
      find ../docs/py-textfeat -name '*.html' -or -name '*.js' \
        | grep -v _static \
        | xargs sed -i 's|textfeat\.swigTextFeatExtractor|textfeat|g';
    [ "$?" != 0 ] && exit 1;
    cd ..;
    git add docs/py-textfeat;
  fi
fi

exit 0;