Remove default MODEL that doesn't work

because the top level default always wins (Earthly...)

and downgrade osbuilder because it breaks arm builds. This should fix it:

kairos-io/osbuilder#80

Signed-off-by: Dimitris Karakasilis <dimitris@karakasilis.me>

.github/workflows/release-arm.yaml

@@ -123,8 +123,8 @@ jobs:
  run: |
  export TAG=${GITHUB_REF##*/}
 
- # TODO: Build all arm generic too!!
- ./earthly.sh +all-arm -VARIANT=kairos -PROVIDER_KAIROS=true -K3S_VERSION=${{ matrix.k3s_version }} -FLAVOR=${{ matrix.flavor }}
+ # TODO: Build all arm generic too!! (and other models?)
+ earthly +all-arm -VARIANT=standard -MODEL=rpi64 -PROVIDER_KAIROS=true -K3S_VERSION=${{ matrix.k3s_version }} -FLAVOR=${{ matrix.flavor }}
  - name: Selfhosted Build 🔧
  if: ${{ matrix.worker == 'self-hosted' }}
  env:

Earthfile

@@ -360,6 +360,7 @@ base-image:
  ARG PROVIDER_KAIROS
  ARG PROVIDER_KAIROS_BRANCH
  ARG K3S_VERSION
+ # TODO: Use VARIANT=standard instead?
  IF [[ "$PROVIDER_KAIROS" != "" ]]
  DO +PROVIDER_INSTALL -PROVIDER_KAIROS_BRANCH=${PROVIDER_KAIROS_BRANCH}
 
@@ -631,7 +632,7 @@ arm-image:
  ARG COMPRESS_IMG=true
  ARG IMG_COMPRESSION=xz
  FROM $OSBUILDER_IMAGE
- ARG MODEL=rpi64
+ ARG MODEL
  COPY +version/VERSION ./
  RUN echo "version ${VERSION}"
  ARG VERSION=$(cat VERSION)