generate_docs.sh

#!/bin/bash

# Copyright 2022 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# Fail on any error
set -ex

DOCS_ROOT=docs-gen

[ -d $DOCS_ROOT ] && rm -r $DOCS_ROOT
mkdir $DOCS_ROOT

# Clear out the old API docs
[ -d docs/api ] && rm -r docs/api
# Build the docs with dokka
./gradlew dokkaGenerateHtml --stacktrace

# Collect docs from all modules
mkdir -p $DOCS_ROOT/api
echo "# API Documentation" > $DOCS_ROOT/api/index.md
echo "" >> $DOCS_ROOT/api/index.md

find . -type d -name "html" -path "*/build/dokka/html" | while read dir; do
    module_name=$(dirname $(dirname $(dirname $dir)))
    module_name=${module_name#./}
    if [ "$module_name" != "." ] && [ -n "$(ls -A "$dir")" ]; then
        mkdir -p "$DOCS_ROOT/api/$module_name"
        cp -r "$dir/"* "$DOCS_ROOT/api/$module_name/"
        echo "- [$module_name]($module_name/index.html)" >> $DOCS_ROOT/api/index.md
    fi
done
cp -a docs/* $DOCS_ROOT

# Copy the logo
mkdir $DOCS_ROOT/logo
cp -a logo/*.svg $DOCS_ROOT/logo

cp README.md $DOCS_ROOT/index.md
cp CONTRIBUTING.md $DOCS_ROOT/contributing.md

sed -i.bak 's/CONTRIBUTING.md/contributing/' $DOCS_ROOT/index.md
sed -i.bak 's/README.md//' $DOCS_ROOT/index.md
sed -i.bak 's/docs\/header.png/header.png/' $DOCS_ROOT/index.md

# Convert docs/xxx.md links to just xxx/
sed -i.bak 's/docs\/\([a-zA-Z-]*\).md/\1/' $DOCS_ROOT/index.md

# Finally delete all of the backup files
find . -name '*.bak' -delete