forked from lxcafe/lxcafe
42 lines
1.2 KiB
Docker
42 lines
1.2 KiB
Docker
FROM ubuntu:22.04
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# Minimal image for safe simulation of apt installs.
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RUN apt-get update && apt-get install -y --no-install-recommends \
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bash wget tar curl gnupg ca-certificates apt-utils apt coreutils file procps && \
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apt-get clean && rm -rf /var/lib/apt/lists/*
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# sudo wrapper: simulate apt installs and avoid making changes to the image
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RUN cat > /usr/local/bin/sudo <<'EOF'
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#!/bin/sh
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# sudo wrapper for simulation:
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# - simulate installs with `apt-get -s install ...`
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# - run `apt-get update` quietly (needed so apt -s has metadata)
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# - otherwise echo the command (no-op)
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cmd="$1"
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arg2="${2:-}"
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if [ "$cmd" = "apt" ] || [ "$cmd" = "apt-get" ]; then
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if [ "$arg2" = "install" ]; then
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shift 2
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echo "[sudo-wrapper] simulating: apt-get -s install $@"
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apt-get -s install "$@"
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exit $?
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elif [ "$arg2" = "update" ]; then
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# do not run update at runtime (may require extra privileges); simulate instead
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echo "[sudo-wrapper] simulating: apt-get update (no-op in container)"
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exit 0
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else
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echo "[sudo-wrapper] would run: $@"
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exit 0
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fi
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else
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echo "[sudo-wrapper] would run: $@"
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exit 0
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fi
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EOF
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RUN chmod +x /usr/local/bin/sudo
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ENV PATH=/usr/local/bin:$PATH
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WORKDIR /workspace
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ENTRYPOINT ["/bin/bash"]
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