Use GitHub env file

Author: pluma

.github/workflows/docs.yml

@@ -27,57 +27,57 @@ jobs:
 
       - run: yarn
 
-      - name: Set tag env to devel
+      - name: Set TAG env to devel
         if: startsWith( github.event.ref, 'refs/heads/' )
         run: |
-          echo "::set-env name=tag::devel"
-          echo "::set-env name=latest::1"
+          echo "TAG=devel" >> $GITHUB_ENV
+          echo "LATEST=1" >> $GITHUB_ENV
 
-      - name: Set tag env to ref tag
+      - name: Set TAG env to ref tag
         if: startsWith( github.event.ref, 'refs/tags/v' )
         run: |
-          export tag=$(echo ${{ github.event.ref }} | sed -e 's/^refs\/tags\/v//')
-          echo "::set-env name=tag::${tag}"
-          echo "::set-env name=latest::$(node -p "Number(require('semver').gt('${tag}','$(cat gh-pages/VERSION)'))")"
+          export TAG=$(echo ${{ github.event.ref }} | sed -e 's/^refs\/tags\/v//')
+          echo "TAG=${TAG}" >> $GITHUB_ENV
+          echo "LATEST=$(node -p "Number(require('semver').gt('${TAG}','$(cat gh-pages/VERSION)'))")" >> $GITHUB_ENV
 
       - name: Update VERSION
-        if: env.tag != 'devel' && env.latest == 1
+        if: env.TAG != 'devel' && env.LATEST == 1
         run: |
           echo $'---\npermalink: /VERSION\ntitle: "VERSION"\n---\n' > gh-pages/VERSION.md
-          echo $tag >> gh-pages/VERSION
+          echo $TAG >> gh-pages/VERSION
 
       - name: Update CHANGELOG
-        if: env.latest == 1 # don't overwrite for backport versions
+        if: env.LATEST == 1 # don't overwrite for backport versions
         run: |
           echo $'---\npermalink: /CHANGELOG\ntitle: "CHANGELOG"\n---\n' > gh-pages/CHANGELOG.md
           cat CHANGELOG.md >> gh-pages/CHANGELOG.md
 
       - name: Update MIGRATING
-        if: env.latest == 1 # don't overwrite for backport versions
+        if: env.LATEST == 1 # don't overwrite for backport versions
         run: |
           echo $'---\npermalink: /MIGRATING\ntitle: "Migrating"\n---\n' > gh-pages/MIGRATING.md
           cat MIGRATING.md >> gh-pages/MIGRATING.md
 
       - name: Remove old docs
         run: |
-          rm -rf gh-pages/${tag}
+          rm -rf gh-pages/${TAG}
 
       - name: Rebuild docs for tag
-        if: env.tag != 'devel'
+        if: env.TAG != 'devel'
         run: |
-          yarn typedoc --includeVersion --out gh-pages/${tag}
+          yarn typedoc --includeVersion --out gh-pages/${TAG}
           node -p 'var all=fs.readdirSync("gh-pages",{withFileTypes:true}).flatMap(f=>f.isDirectory()&&!isNaN(f.name.charAt(0))?[f.name]:[]).sort(require("semver").rcompare);JSON.stringify({all,stable:all.filter(s=>!s.includes("-"))})' > gh-pages/_data/versions.json
 
       - name: Rebuild docs for devel
-        if: env.tag == 'devel'
+        if: env.TAG == 'devel'
         run: |
-          yarn typedoc --out gh-pages/${tag}
+          yarn typedoc --out gh-pages/${TAG}
 
       - name: Commit to gh-pages
         uses: EndBug/add-and-commit@v4
         with:
           cwd: ./gh-pages
           ref: gh-pages
-          message: Update ${{ env.tag }} docs via ${{ github.sha }}
+          message: Update ${{ env.TAG }} docs via ${{ github.sha }}
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}