Jake
34 lines
896 B
Bash
34 lines
896 B
Bash
#!/usr/bin/env bash
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set -euo pipefail
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SCRIPT_DIR="$(CDPATH= cd -- "$(dirname -- "$0")" && pwd)"
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OUTPUT_TAR="${1:-$SCRIPT_DIR/windows-wsl2-rootfs.tar}"
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BASE_IMAGE="${PJARCZAK_WSL_ROOTFS_IMAGE:-ubuntu:24.04}"
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if ! command -v docker >/dev/null 2>&1; then
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echo "docker not found. Install Docker or provide a prebuilt windows-wsl2-rootfs.tar." >&2
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exit 1
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fi
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mkdir -p "$(dirname -- "$OUTPUT_TAR")"
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CONTAINER_NAME="pjarczak-bambu-rootfs-$(date +%s)-$$"
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cleanup() {
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docker rm -f "$CONTAINER_NAME" >/dev/null 2>&1 || true
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}
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trap cleanup EXIT
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docker pull "$BASE_IMAGE" >/dev/null
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docker create --name "$CONTAINER_NAME" "$BASE_IMAGE" /bin/sh -lc 'exit 0' >/dev/null
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rm -f "$OUTPUT_TAR"
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docker export "$CONTAINER_NAME" -o "$OUTPUT_TAR"
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if [[ ! -s "$OUTPUT_TAR" ]]; then
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echo "failed to create rootfs tar: $OUTPUT_TAR" >&2
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exit 1
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fi
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echo "WSL rootfs created:"
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echo " $OUTPUT_TAR"
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