Create matrix for NEOVIM version

Author: erichlf

.github/workflows/default.yml

@@ -5,18 +5,25 @@ env:
 jobs:
   unit-tests:
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        neovim-version: ["0.9.5", "0.10.0"]
+      fail-fast: false
+    name: NEOVIM ${{ matrix.neovim-version }}
     steps:
       - name: Checkout
         uses: actions/checkout@v3
-      - name: Pre-build devcontainer image
+      - name: Pre-build devcontainer image for NEOVIM ${{ matrix.neovim-version }}
         uses: devcontainers/[email protected]
         with:
-          imageName: ${{ env.IMAGE_NAME }}
-          cacheFrom: ${{ env.IMAGE_NAME }}
+          imageName: ${{ env.IMAGE_NAME }}-${{ matrix.neovim-version }}
+          cacheFrom: ${{ env.IMAGE_NAME }}-${{ matrix.neovim-version }}
           push: never
+          buildArgs: |
+            NEOVIM_VERSION=${{ matrix.neovim-version }}
       - name: Run tests inside the docker image
         uses: devcontainers/[email protected]
         with:
-          cacheFrom: ${{ env.IMAGE_NAME }}
+          cacheFrom: ${{ env.IMAGE_NAME }}-${{ matrix.neovim-version }}
           push: never
           runCmd: make test

Dockerfile

@@ -18,8 +18,11 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
+ARG NEOVIM_VERSION=0.10.0
+
 FROM ubuntu:22.04 as builder
 
+ARG NEOVIM_VERSION
 # Install dependencies needed for building devcontainers/cli and developing in neovim
 RUN apt-get update && \
   DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
@@ -33,6 +36,11 @@ RUN apt-get update && \
   luajit \
   luarocks \
   git \
+  # Install NEOVIM
+  && apt-get install -y libfuse2 fuse3 \
+  && curl -fLO https://github.com/neovim/neovim-releases/releases/download/v${NEOVIM_VERSION}/nvim.appimage \
+  && mv nvim.appimage /usr/bin/nvim \
+  && chmod u+x /usr/bin/nvim \
   # apt clean-up
   && apt-get autoremove -y \
   && rm -rf /var/lib/apt/lists/*