feat: Build taskwarrior CI against stable

.github/actions/install-taskwarrior/action.yml

@@ -0,0 +1,44 @@
+name: 'Install Taskwarrior'
+description: 'Builds taskwarrior from the latest stable release and installs it'
+inputs:
+  secret_gh_token: 
+    description: "GH token for downloading the assets"
+    required: true
+runs:
+  using: "composite"
+  defaults:
+    run:
+      shell: bash
+  steps:
+    # This pattern should only match match assets with a [numbers and dots] suffix
+    - name: Download latest stable taskwarrior release
+      run: |
+        gh release download -p "task-[0-9.]*.tar.gz" -R "GothenburgBitFactory/taskwarrior" -D /tmp/download
+      env: 
+        GH_TOKEN: ${{ inputs.secret_gh_token }}
+    # Future proofing  
+    - name: Check that we only got one release asset
+      run: |
+        if [ $(ls -1 download | wc -l) -ne 1 ]
+        then 
+          echo "Expected exactly one release asset"
+          exit 1
+        else
+          echo "Got expected number of release assets" 
+        fi
+    - name: Extract taskwarrior without version number
+      run: |
+        cd /tmp/download
+        find . -name "*.tar.gz" -exec mv {} task.tar.gz \; 
+        tar -xf task.tar.gz --transform='s;^task-[0-9.]*/;task/;'
+        cd /tmp
+        mv download/task taskwarrior
+        rm -rf download
+    - name: Compile taskwarrior
+      run: |
+        cd taskwarrior
+        cmake -S . -B build -DCMAKE_BUILD_TYPE=Release .
+        cmake --build build
+        sudo cmake --install build
+        cd ..
+        rm -rf task/

.github/workflows/cd.yml

@@ -204,15 +204,10 @@ jobs:
           override: true
           profile: minimal
       - run: sudo apt-get update
-      - name: Compile taskwarrior
-        run: |
-          cd /tmp
-          git clone https://github.com/GothenburgBitFactory/taskwarrior
-          cd taskwarrior
-          git checkout v3.0.0
-          cmake -DCMAKE_BUILD_TYPE=release -DENABLE_SYNC=OFF .
-          make
-          sudo make install
+      - name: 'Install Taskwarrior'
+        uses: ./.github/actions/install-taskwarrior
+        with:
+          secret_gh_token: ${{ secrets.GITHUB_TOKEN }}
       - run: |
           task --version
       - uses: actions/checkout@v4

.github/workflows/ci.yml

@@ -32,15 +32,10 @@ jobs:
           toolchain: stable
           override: true
       - run: sudo apt-get update
-      - name: Compile taskwarrior
-        run: |
-          cd /tmp
-          git clone https://github.com/GothenburgBitFactory/taskwarrior
-          cd taskwarrior
-          git checkout v3.0.0
-          cmake -DCMAKE_BUILD_TYPE=release -DENABLE_SYNC=OFF .
-          make
-          sudo make install
+      - name: 'Install Taskwarrior'
+        uses: ./.github/actions/install-taskwarrior
+        with:
+          secret_gh_token: ${{ secrets.GITHUB_TOKEN }}
       - run: |
           task --version
       - uses: actions/checkout@v4