Create a container in the github action

Rather than using a pre-built one on dockerhub. This
keeps all of the necessary state in the snek repository
and makes it easy to modify the container contents when
necessary.

Signed-off-by: Keith Packard <keithp@keithp.com>

.github/Dockerfile

@@ -0,0 +1,31 @@
+FROM debian:unstable AS download-tarballs
+
+RUN apt-get update && \
+    apt-get install -y wget gnupg && \
+    wget -O - https://keithp.com/archive/archive-key | apt-key add - && \
+    echo "deb http://keithp.com/archive unstable/" > /etc/apt/sources.list.d/keithp.list && \
+    apt-get update && \
+    apt-get upgrade -y && \
+    apt-get install -y \
+    build-essential \
+    libreadline-dev \
+    avr-libc \
+    gcc-avr \
+    gcc-arm-none-eabi \
+    gcc-riscv64-unknown-elf \
+    picolibc-arm-none-eabi \
+    picolibc-riscv64-unknown-elf \
+    python3 \
+    lola \
+    gawk \
+    asciidoctor \
+    ruby-asciidoctor-pdf \
+    ruby-coderay \
+    gcc-arm-linux-gnueabi \
+    libc6-dev-armel-cross \
+    black
+
+RUN mkdir snek
+COPY ./ snek/
+
+WORKDIR ./snek

.github/workflows/snek.yml

@@ -3,18 +3,35 @@ name: snek
 on: [push, pull_request]
 
 jobs:
-  build:
+  test:
     runs-on: ubuntu-latest
-    container:
-      image: phsilva/snek:latest
-
     steps:
-      - uses: actions/checkout@v1
-      - run: make
-      - run: make check PREFIX=
-      - name: prepare artifacts
-        run: make DESTDIR=`pwd`/artifacts PREFIX= install
-      - uses: actions/upload-artifact@v1
+      - name: 'Clone snek'
+        uses: actions/checkout@v2
+        with:
+          path: snek
+
+      - name: 'Build snek container'
+        run: |
+          docker build -t snek \
+            -f snek/.github/Dockerfile \
+            snek
+
+      - name: 'Create install destinationn'
+        run: |
+          mkdir `pwd`/artifacts
+
+      - name: 'Build snek'
+        run: |
+          docker run --rm \
+            -e 'SNEK_RISCV=' \
+            -e 'SNEK_ARM=' \
+            --mount type=bind,source=`pwd`/artifacts,destination=/artifacts \
+            snek \
+            make DESTDIR=/artifacts PREFIX=/opt/snek check install
+
+      - name: 'Upload results'
+        uses: actions/upload-artifact@v2
         with:
           name: snek
           path: artifacts