Update docs version from git tag (#339)

.github/workflows/doc.yml

@@ -4,6 +4,7 @@ on:
   push:
     tags:
       - '*'
+  workflow_dispatch:
 
 jobs:
   doc:
@@ -13,14 +14,22 @@ jobs:
     steps:
 
     - name: Checkout the Git repository
-      uses: actions/checkout@v2
+      uses: actions/checkout@v4
+
+    - name: Fetch tags
+      run: |
+        git fetch --tags
+
+    - name: Get current tag
+      id: vars
+      run: echo "tag=`git tag --sort=-version:refname | head -n 1`" >> "$GITHUB_OUTPUT"
 
     - name: Generate Documentation
       run: |
         sudo apt-get update
         sudo apt-get install -y cmake doxygen doxygen-latex graphviz
         cd docs
-        sudo cmake .
+        sudo env WUT_VERSION=${{ steps.vars.outputs.tag }} cmake .
         doxygen Doxyfile.docs >/dev/null
 
     - name: Deploy to GitHub Pages

docs/CMakeLists.txt

@@ -6,7 +6,7 @@ if(DOXYGEN_FOUND)
    set(DOXYGEN_OUT ${CMAKE_CURRENT_BINARY_DIR}/Doxyfile)
 
    set(DOXYGEN_PROJECT_NAME "wut")
-   set(DOXYGEN_PROJECT_NUMBER "1.3.2")
+   set(DOXYGEN_PROJECT_NUMBER $ENV{WUT_VERSION})
    set(DOXYGEN_PROJECT_BRIEF "Wii U Toolchain")
 
    set(DOXYGEN_GENERATE_HTML YES)