Manually install repositories and keys

action.yml

@@ -15,60 +15,38 @@ runs:
     - name: Prepare
       id: prep
       run: |
+        sudo() {
+          if [ $(id -u) -eq 0 ]; then
+            "$@"
+          else
+            command sudo "$@"
+          fi
+        }
+
         if [ $(uname) == "Darwin" ]; then
           brew tap gerlero/openfoam
           echo "openfoam-app-version=$(brew info gerlero/openfoam/openfoam | head -n 1 | awk '{print $3}')" >> "$GITHUB_OUTPUT"
           echo "openfoam-etc=/Applications/OpenFOAM-v${{ inputs.openfoam-version }}.app/Contents/Resources/etc" >> "$GITHUB_OUTPUT"
         elif [ ${{ inputs.openfoam-version }} -lt 1000 ]; then
-          which wget && which add-apt-repository || echo "apt-packages-pre=wget software-properties-common" >> $GITHUB_OUTPUT
+          sudo apt-get update && sudo apt-get install --no-install-recommends -y gnupg ca-certificates
+          sudo apt-key add $GITHUB_ACTION_PATH/gpg.key
+          sudo bash -c "echo \"deb [arch=$(dpkg --print-architecture)] http://dl.openfoam.org/ubuntu $(sed -ne 's/^VERSION_CODENAME=//p' /etc/os-release) main\" > /etc/apt/sources.list.d/openfoam.list"
           echo "apt-packages=openfoam${{ inputs.openfoam-version }}" >> $GITHUB_OUTPUT
           echo "openfoam-etc=/opt/openfoam${{ inputs.openfoam-version }}/etc" >> "$GITHUB_OUTPUT"
         else
-          which wget || echo "apt-packages-pre=wget gnupg" >> $GITHUB_OUTPUT
+          sudo apt-get update && sudo apt-get install --no-install-recommends -y gnupg ca-certificates
+          sudo apt-key add $GITHUB_ACTION_PATH/pubkey.gpg
+          sudo bash -c "echo \"deb [arch=$(dpkg --print-architecture)] https://dl.openfoam.com/repos/deb $(sed -ne 's/^VERSION_CODENAME=//p' /etc/os-release) main\" > /etc/apt/sources.list.d/openfoam.list"
           echo "apt-packages=openfoam${{ inputs.openfoam-version }}-default" >> $GITHUB_OUTPUT
           echo "openfoam-etc=/usr/lib/openfoam/openfoam${{ inputs.openfoam-version }}/etc" >> "$GITHUB_OUTPUT"
         fi
       shell: bash
-    - name: Install prerequisites
-      if: steps.prep.outputs.apt-packages-pre
-      uses: gerlero/apt-install@v1
-      with:
-        packages: ${{ steps.prep.outputs.apt-packages-pre }}
-        cache: ${{ inputs.cache && inputs.cache != 'false' }}
-    - name: Add OpenFOAM APT repository (openfoam.org)
-      if: steps.prep.outputs.apt-packages && inputs.openfoam-version < 1000
-      run: |
-        sudo() {
-          if [ $(id -u) -eq 0 ]; then
-            "$@"
-          else
-            command sudo "$@"
-          fi
-        }
-
-        sudo wget -O /etc/apt/trusted.gpg.d/openfoam.asc https://dl.openfoam.org/gpg.key
-        sudo add-apt-repository http://dl.openfoam.org/ubuntu
-      shell: bash
-    - name: Add OpenFOAM APT repository (openfoam.com)
-      if: steps.prep.outputs.apt-packages && inputs.openfoam-version >= 1000
-      run: |
-        sudo() {
-          if [ $(id -u) -eq 0 ]; then
-            "$@"
-          else
-            command sudo "$@"
-          fi
-        }
-
-        wget -O - https://dl.openfoam.com/add-debian-repo.sh | sudo bash
-      shell: bash
     - name: Install OpenFOAM on Linux
       if: steps.prep.outputs.apt-packages
       uses: gerlero/apt-install@v1
       with:
         packages: ${{ steps.prep.outputs.apt-packages }}
         install-recommends: false
-        update: ${{ inputs.openfoam-version < 1000 }}
         cache: ${{ inputs.cache && inputs.cache != 'false' }}
     - name: Restore OpenFOAM on macOS from cache
       if: runner.os == 'macOS' && inputs.cache && inputs.cache != 'false'

gpg.key

@@ -0,0 +1,30 @@
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+Version: GnuPG v1
+
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++PmSM0ZDHsJu4It2PIIGtgGWfai9ddXOI2+z8W6ugsKr/tq7Sik=
+=DlyX
+-----END PGP PUBLIC KEY BLOCK-----

pubkey.gpg

@@ -0,0 +1,30 @@
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+Comment: signing for openfoam.com packages
+
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+PfOLQKE=
+=Slzt
+-----END PGP PUBLIC KEY BLOCK-----