fix(CI): update prereq versions

Author: rouson

.github/workflows/CI.yml

@@ -4,35 +4,48 @@ on: [push, pull_request]
 
 jobs:
   Build:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     strategy:
       fail-fast: true
 
     env:
       FC: gfortran
-      GCC_V: 10
+      GCC_V: 12
 
-    steps:
-    - name: Checkout code
-      uses: actions/checkout@v2
+    - name: Install fpm
+      uses: fortran-lang/setup-fpm@v4
+      with:
+        github-token: ${{ secrets.GITHUB_TOKEN }}
+
+    - name: Get Time
+      id: time
+      uses: nanzm/[email protected]
+      with:
+        format: 'YYYY-MM'
+
+    - name: Setup cache for opencoarrays
+      id: cache-opencoarrays
+      uses: actions/cache@v2
+      with:
+        path: "OpenCoarrays-2.10.0/"
+        key: ${{ steps.time.outputs.time }}
 
-    - name: Install Dependencies
+    - name: Install GFortran, OpenCoarrays
       run: |
-        sudo apt install -y gfortran-${GCC_V} cmake mpich
-        sudo update-alternatives --install /usr/bin/gfortran gfortran /usr/bin/gfortran-${GCC_V} 100
-        git clone https://github.com/sourceryinstitute/opencoarrays
-        mkdir -p opencoarrays/build
-        cd opencoarrays/build
-        cmake ..
-        sudo make -j $(nproc) install
-        cd -
-        git clone https://github.com/fortran-lang/fpm
-        cd fpm
-        ./install.sh
+        sudo apt install -y gfortran-${GCC_V} graphviz
+        sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-${GCC_V} 100 \
+        --slave /usr/bin/gfortran gfortran /usr/bin/gfortran-${GCC_V} \
+        --slave /usr/bingcov gcov /usr/bin/gcov-${GCC_V}
+        if [ ! -d OpenCoarrays-2.10.0 ] ; then wget -P . https://github.com/sourceryinstitute/OpenCoarrays/releases/download/2.10.0/OpenCoarrays-2.10.0.tar.gz && tar -xf OpenCoarrays-2.10.0.tar.gz && cd OpenCoarrays-2.10.0 && TERM=xterm ./install.sh -y; fi
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v3
 
     - name: Build and Test
       run: |
         export PATH="${HOME}/.local/bin:$PATH"
+        source OpenCoarrays-2.10.0/prerequisites/installations/opencoarrays/2.10.0/setup.sh
         fpm test \
           --compiler caf \
           --runner "cafrun -n 4" \