messing with env

.forgejo/workflows/build.yaml

@@ -21,6 +21,8 @@ jobs:
     runs-on: ${{ matrix.os }}
     env:
       PATH: ${{ format('{0}:{1}', '/run/current-system/sw/bin', env.PATH) }}
+    outputs:
+      matrix: ${{ steps.build.outputs.drvout }}
     steps:
       - name: Checkout repository
         uses: https://github.com/actions/checkout@v4
@@ -41,19 +43,18 @@ jobs:
         shell: bash
         run: |
           set -o pipefail
-          DRVOUT=$(nix build ".#deploy-json.${{ matrix.system }}" --print-out-paths)
-          echo "::set-output name=build_output::$DRVOUT"
+          echo "drvout=nix build .#deploy-json.${{ matrix.system }} --print-out-paths" >> "${GITHUB_ENV}"
       - name: Push cache for ${{ matrix.name }} to cachix
         id: "push-to-cachix"
         if: success()
         env:
           CACHIX_AUTH_TOKEN: ${{ secrets.CACHIX_AUTH_TOKEN }}
         run: |
-          echo ${{steps.build_push.outputs.build_output}} | cachix push hsndev
+          echo ${{ env.drvout }} | cachix push hsndev
       - name: Deploy ${{ matrix.system }} runners
         id: "deploy"
         if: success()
         env:
           CACHIX_ACTIVATE_TOKEN: ${{ secrets.CACHIX_ACTIVATE_TOKEN }}
         run: |
-          cachix deploy activate ${{ steps.build_push.outputs.build_output }}
+          cachix deploy activate ${{ env.drvout }}