Update CompatHelper.yml

[skip ci]

Author: maleadt

.github/workflows/CompatHelper.yml

@@ -2,33 +2,44 @@ name: CompatHelper
 
 on:
   schedule:
-    - cron: '0 0 * * *'
+    - cron: 0 0 * * *
   workflow_dispatch:
 
+permissions:
+  contents: write
+  pull-requests: write
+
 jobs:
   CompatHelper:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
-      - name: Get Julia compatibility
-        id: julia_compat
-        # NOTE: this requires a Julia compat lower-bound with minor version!
-        run : |
-          version=$(grep '^julia = ' Project.toml | grep -o '".*"' | cut -d '"' -f2)
-          echo "::set-output name=version::$version"
-      - uses: julia-actions/setup-julia@v1
+      - name: Check if Julia is already available in the PATH
+        id: julia_in_path
+        run: which julia
+        continue-on-error: true
+      - name: Install Julia, but only if it is not already available in the PATH
+        uses: julia-actions/setup-julia@v1
         with:
-          version: ${{ steps.julia_compat.outputs.version }}
-      - name: Install CompatHelper
+          version: '1'
+          arch: ${{ runner.arch }}
+        if: steps.julia_in_path.outcome != 'success'
+      - name: "Add the General registry via Git"
+        run: |
+          import Pkg
+          ENV["JULIA_PKG_SERVER"] = ""
+          Pkg.Registry.add("General")
+        shell: julia --color=yes {0}
+      - name: "Install CompatHelper"
         run: |
           import Pkg
           name = "CompatHelper"
+          uuid = "aa819f21-2bde-4658-8897-bab36330d9b7"
           version = "3"
-          Pkg.add(; name, version)
+          Pkg.add(; name, uuid, version)
         shell: julia --color=yes {0}
-      - name: Run CompatHelper
+      - name: "Run CompatHelper"
         run: |
-          using CompatHelper
+          import CompatHelper
           CompatHelper.main()
         shell: julia --color=yes {0}
         env: