ci: build garlicos

.dockerignore

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+.git
+.github
+.vscode

.github/workflows/garlicos.yml

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+on: workflow_dispatch
+jobs:
+    build:
+        runs-on: ubuntu-latest
+        strategy:
+            fail-fast: false
+            matrix:
+                arch: [aarch64, armhf, mipsel]
+        steps:
+            - uses: jlumbroso/free-disk-space@main
+              with:
+                large-packages: false
+            - uses: actions/checkout@v4
+            - name: build
+              run: |
+                docker build . -t garlicos-${{ matrix.arch }} --build-arg config=${{ matrix.arch }}
+                docker run --rm garlicos-${{ matrix.arch }} tar -cf - output/images/rootfs.f2fs | gzip -9 > ${{ matrix.arch }}-rootfs.tar.gz
+            - uses: actions/upload-artifact@v3
+              with:
+                path: ${{ matrix.arch }}-rootfs.tar.gz
+                name: ${{ matrix.arch }}-rootfs.tar.gz

Dockerfile

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+ARG base=20230207.1123
+FROM registry.gitlab.com/buildroot.org/buildroot/base:${base}
+COPY . .
+ARG config
+RUN make garlicos_${config}_defconfig
+RUN make