Also deploy from the beta branch

.github/deploy.sh

@@ -17,6 +17,11 @@ if [[ -n $TAG_NAME ]]; then
   ln -s "$TAG_NAME" out/stable
 fi
 
+if [[ $BETA = "true" ]]; then
+  echo "Update documentation for the beta release"
+  cp -r out/master out/beta
+fi
+
 # Generate version index that is shown as root index page
 cp util/gh-pages/versions.html out/index.html
 
@@ -35,12 +40,15 @@ fi
 
 if [[ -n $TAG_NAME ]]; then
   # Add the new dir
-  git add $TAG_NAME
+  git add "$TAG_NAME"
   # Update the symlink
   git add stable
   # Update versions file
   git add versions.json
   git commit -m "Add documentation for ${TAG_NAME} release: ${SHA}"
+elif [[ $BETA = "true" ]]; then
+  git add beta
+  git commit -m "Automatic deploy to GitHub Pages (beta): ${SHA}"
 else
   git add .
   git commit -m "Automatic deploy to GitHub Pages: ${SHA}"

.github/workflows/deploy.yml

@@ -4,6 +4,7 @@ on:
   push:
     branches:
       - master
+      - beta
     tags:
       - rust-1.**
 
@@ -34,6 +35,9 @@ jobs:
       run: |
         TAG=$(basename ${{ github.ref }})
         echo "::set-env name=TAG_NAME::$TAG"
+    - name: Set beta to true
+      if: github.ref == 'refs/heads/beta'
+      run: echo "::set-env name=BETA::true"
     - name: Deploy
       run: |
         eval "$(ssh-agent -s)"

util/gh-pages/versions.html

@@ -65,6 +65,7 @@
             $scope.versionOrder = function(v) {
                 if (v === 'master') { return Infinity; }
                 if (v === 'stable') { return Number.MAX_VALUE; }
+                if (v === 'beta') { return Number.MAX_VALUE - 1; }
 
                 return $scope.normalizeVersion(v)
                     .split('.')

util/versions.py

@@ -12,6 +12,8 @@ def key(v):
         return float('inf')
     if v == 'stable':
         return sys.maxsize
+    if v == 'beta':
+        return sys.maxsize - 1
 
     v = v.replace('v', '').replace('rust-', '')