try to fix the git push frogejo action

.forgejo/workflows/nix_build.yaml

@@ -2,74 +2,124 @@ name: Build all NixOS Configurations
 
 on:
   - push
-  #schedule:
-  #  - cron: "20 12 * * *" # not to frequent, GitHub only allows a few pulls per hour
 
 jobs:
-
   nix build:
     runs-on: native
     steps:
+      - uses: actions/checkout@v4
 
-      - name: checkout repository
-        uses: actions/checkout@v2
-        with:
-          depth: 0
-
-      - name: update nix flakes
-        #if: github.event_name == 'schedule'
+      - name: setup ssh
         run: |
-          cat <<EOF > .ssh_key
+          cat <<EOF > .id_rsa
           ${{ secrets.SSH_KEY }}
           EOF
-          chmod 600 .ssh_key
+          chmod 600 .id_rsa
 
           eval $(ssh-agent)
-          ssh-add .ssh_key
+          ssh-add .id_rsa
 
-          nix flake update
-          
-          echo $SSH_AGENT_PID
-          kill $SSH_AGENT_PID
-          rm .ssh_key
-
-      - name: fetch and check
-        run: |
-          cat <<EOF > .ssh_key
-          ${{ secrets.SSH_KEY }}
+          cat <<EOF > "$GITHUB_ENV"
+          SSH_AUTH_SOCK="$SSH_AUTH_SOCK"
+          SSH_AGENT_PID=$SSH_AGENT_PID
           EOF
-          chmod 600 .ssh_key
 
-          eval $(ssh-agent)
-          ssh-add .ssh_key
-
-          nix flake archive
-          nix flake check --verbose --log-format raw
+      - run: nix flake archive
 
+      - name: teardown ssh
+        if: always()
+        run: |
           echo $SSH_AGENT_PID
           kill $SSH_AGENT_PID
-          rm .ssh_key
 
-      - name: nix build orbi
-        run: nix build .#nixosConfigurations.orbi.config.system.build.toplevel
+      - name: nix flake check
+        run: nix flake check --verbose --log-format raw
 
-      - name: nix build cream
-        run: nix build .#nixosConfigurations.cream.config.system.build.toplevel
 
-      - name: nix build cherry
-        run: nix build .#nixosConfigurations.cherry.config.system.build.toplevel
+      #- name: nix build orbi
+      #  run: nix build .#nixosConfigurations.orbi.config.system.build.toplevel
 
-      - name: nix build chungus
-        run: nix build .#nixosConfigurations.chungus.config.system.build.toplevel
+      #- name: nix build cream
+      #  run: nix build .#nixosConfigurations.cream.config.system.build.toplevel
 
-      - name: push if all fine (branch update)
-        #if: github.event_name == 'schedule'
-        run: |
+      #- name: nix build cherry
+      #  run: nix build .#nixosConfigurations.cherry.config.system.build.toplevel
 
-          git config --local user.email "action@git.ingolf-wagner.de"
-          git config --local user.name "Forgejo Action"
+      #- name: nix build chungus
+      #  run: nix build .#nixosConfigurations.chungus.config.system.build.toplevel
 
-          git diff --quiet && \
-          git diff --staged --quiet || \
-          (git commit -am "Update Nix flakes" && git push)
+#name: Build all NixOS Configurations
+
+#on:
+#  - push
+#  #schedule:
+#  #  - cron: "20 12 * * *" # not to frequent, GitHub only allows a few pulls per hour
+
+#jobs:
+
+#  nix build:
+#    runs-on: native
+#    steps:
+
+#      - name: checkout repository
+#        uses: actions/checkout@v2
+#        with:
+#          depth: 0
+
+#      - name: update nix flakes
+#        #if: github.event_name == 'schedule'
+#        run: |
+#          cat <<EOF > .ssh_key
+#          ${{ secrets.SSH_KEY }}
+#          EOF
+#          chmod 600 .ssh_key
+
+#          eval $(ssh-agent)
+#          ssh-add .ssh_key
+
+#          nix flake update
+#
+#          echo $SSH_AGENT_PID
+#          kill $SSH_AGENT_PID
+#          rm .ssh_key
+
+#      - name: fetch and check
+#        run: |
+#          cat <<EOF > .ssh_key
+#          ${{ secrets.SSH_KEY }}
+#          EOF
+#          chmod 600 .ssh_key
+
+#          eval $(ssh-agent)
+#          ssh-add .ssh_key
+
+#          nix flake archive
+#          nix flake check --verbose --log-format raw
+#
+#          echo $SSH_AGENT_PID
+#          kill $SSH_AGENT_PID
+#          rm .ssh_key
+
+#      - name: nix build orbi
+#        run: nix build .#nixosConfigurations.orbi.config.system.build.toplevel
+
+#      - name: nix build cream
+#        run: nix build .#nixosConfigurations.cream.config.system.build.toplevel
+
+#      - name: nix build cherry
+#        run: nix build .#nixosConfigurations.cherry.config.system.build.toplevel
+
+#      - name: nix build chungus
+#        run: nix build .#nixosConfigurations.chungus.config.system.build.toplevel
+
+#      - name: push if all fine (branch update)
+#        #if: github.event_name == 'schedule'
+#        run: |
+#
+#          git config --local user.email "action@git.ingolf-wagner.de"
+#          git config --local user.name "Forgejo Action"
+#
+#          git diff --quiet && \
+#          git diff --staged --quiet || \
+#          (git commit -am "Update Nix flakes" && git push)