New CI for Doxygen

Let's hope it works alright.

.github/workflows/linux.build.yml

@@ -1,4 +1,4 @@
-name: CI
+name: Linux CI
 
 # Controls when the action will run.
 on:

.github/workflows/main.yml

@@ -1,21 +1,12 @@
-name: CI
+name: Doxygen
 
 # Controls when the action will run.
 on:
   push:
     branches:  'master'
 
-  # Run for all pull requests
-  pull_request:
-    branches: '*'
-    types: [opened]
-
 env:
-  CMAKE_DOXYGEN_INPUT_LIST: "Components Docs/src OgreMain PlugIns RenderSystems"
-  OGRE_SOURCE_DIR: "./"
-  OGRE_BINARY_DIR: "./"
   OGRE_VERSION: "latest"
-  DOXYGEN_HTML_OUTPUT_DIR: "./latest"
 
 # A workflow run is made up of one or more jobs that can run sequentially or in parallel
 jobs:
@@ -24,27 +15,15 @@ jobs:
     # The type of runner that the job will run on
     runs-on: ubuntu-latest
 
-    # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
-      - uses: actions/checkout@v3
-
-      - name: Generate Doxyfile
-        # Replace CMake's ${ENV_VAR} to Doxygen's $(ENV_VAR) syntax
-        run: cat CMake/Templates/html.cfg.in | sed 's/\${\(.*\)}/$(\1)/' > Doxyfile
-
-      - name: Generate docs with doxygen
-        uses: mattnotmitt/doxygen-action@v1
-        with:
-          doxyfile-path: './Doxyfile'
-
-      - name: Remove files
-        working-directory: .github/workflows/
-        run: python3 doxygen_remove_files.py
-
-      - name: Publish # Only on master branch
-        if: github.ref == 'refs/heads/master'
-        uses: peaceiris/actions-gh-pages@v3
+      - uses: actions/checkout@v4
+      - name: Build Doxygen
+        working-directory: ./
+        run: ./Scripts/BuildScripts/build_ci_doxygen_step0.sh
+      - uses: actions/checkout@v4
         with:
-          github_token: ${{ secrets.GITHUB_TOKEN }}
-          publish_dir: ./
-          keep_files: true
+          ref: gh-pages
+          path: gh-pages
+      - name: Publish Doxygen
+        working-directory: ./
+        run: ./Scripts/BuildScripts/build_ci_doxygen_step1.sh

Scripts/BuildScripts/build_ci_doxygen_step0.sh

@@ -0,0 +1,36 @@
+#!/bin/bash
+
+if [ -z "$OGRE_VERSION" ]; then
+	echo "OGRE_VERSION is not set. Aborting!"
+	exit 1;
+fi
+
+echo "--- Installing System Dependencies ---"
+sudo apt-get update
+sudo apt-get install -y ninja-build libxrandr-dev libxaw7-dev libxcb-randr0-dev libx11-xcb-dev libsdl2-dev doxygen graphviz
+
+echo "--- Fetching prebuilt Dependencies ---"
+wget https://github.com/OGRECave/ogre-next-deps/releases/download/bin-releases/Dependencies_Release_Ubuntu.20.04.LTS.Clang-12_a3f61e782f3effbd58a15727885cbd85cd1b342b.7z
+
+echo "--- Extracting prebuilt Dependencies ---"
+7z x Dependencies_Release_Ubuntu.20.04.LTS.Clang-12_a3f61e782f3effbd58a15727885cbd85cd1b342b.7z
+
+mkdir -p build/Doxygen
+cd build/Doxygen
+echo "--- Building Ogre (Debug) ---"
+cmake \
+-DOGRE_CONFIG_THREAD_PROVIDER=0 \
+-DOGRE_CONFIG_THREADS=0 \
+-DOGRE_BUILD_COMPONENT_SCENE_FORMAT=1 \
+-DOGRE_BUILD_SAMPLES2=0 \
+-DOGRE_BUILD_TESTS=0 \
+-DOGRE_BUILD_COMPONENT_PLANAR_REFLECTIONS=1 \
+-DCMAKE_BUILD_TYPE="Debug" \
+-DCMAKE_CXX_STANDARD=11 \
+-G Ninja ../.. || exit $?
+ninja OgreDoc || exit $?
+cd ../.. || exit $?
+# echo "--- Checking out gh-pages branch ---"
+# git checkout gh-pages || exit $?
+
+echo "Done Step 0!"

Scripts/BuildScripts/build_ci_doxygen_step1.sh

@@ -0,0 +1,24 @@
+#!/bin/bash
+
+if [ -z "$OGRE_VERSION" ]; then
+	echo "OGRE_VERSION is not set. Aborting!"
+	exit 1;
+fi
+
+# echo "--- Checking out gh-pages branch ---"
+# git checkout gh-pages || exit $?
+cd gh-pages || exit $?
+cd api || exit $?
+echo "--- Removing old ${OGRE_VERSION} ---"
+git rm -rf ${OGRE_VERSION} || exit $?
+rm -rf ${OGRE_VERSION} || exit $?
+echo "--- Copying new ${OGRE_VERSION} ---"
+mv ../../build/Doxygen/api/html ${OGRE_VERSION} || exit $?
+echo "--- Adding to ${OGRE_VERSION} to git ---"
+git add ${OGRE_VERSION} || exit $?
+echo "--- Committing ---"
+git commit -m "Deploy GH" || exit $?
+echo "--- Pushing repo... ---"
+git push || exit $?
+
+echo "Done Step 1!"