#!/bin/bash

set -euo pipefail

SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )"
HOST_WORKSPACE_PATH="${HOST_WORKSPACE_PATH:-$(pwd)}"


echo "--------------------------------"
echo "PWD: $(pwd)"
echo "SCRIPT_DIR: $SCRIPT_DIR"
echo "GITHUB_WORKSPACE: ${GITHUB_WORKSPACE:-not set}"
echo "HOST_WORKSPACE_PATH: $HOST_WORKSPACE_PATH"
echo "--------------------------------"
echo "--------------------------------"
echo "--------------------------------"
echo "Docker info:"
docker info | grep -E "(Docker Root Dir|Storage Driver)" || true
echo "Mount info:"
mount | grep -E "(overlay|workspace)" || true


echo "--------------------------------"
echo "--------------------------------"
echo "--------------------------------"
echo "ls -la ./"
docker run --rm -i --entrypoint /bin/bash -v ./:/workspace debian:latest -c "ls -la /workspace"
echo "--------------------------------"
echo "ls -la \$PWD"
docker run --rm -i --entrypoint /bin/bash -v "$PWD:/workspace" debian:latest -c "ls -la /workspace"
echo "--------------------------------"
echo "ls -la \$SCRIPT_DIR"
docker run --rm -i --entrypoint /bin/bash -v "$SCRIPT_DIR:/workspace" debian:latest -c "ls -la /workspace"
echo "--------------------------------"

MOUNT_DIR="$SCRIPT_DIR"
if [ -n "${HOST_WORKSPACE_PATH:-}" ]; then
    MOUNT_DIR=$(echo "$SCRIPT_DIR" | sed "s|^/workspace|$HOST_WORKSPACE_PATH|")
    if [ "$MOUNT_DIR" != "$SCRIPT_DIR" ]; then
        echo "Docker-in-Docker: Mapping $SCRIPT_DIR to $MOUNT_DIR"
    fi
fi

echo "MOUNT_DIR: $MOUNT_DIR"
echo "ls -la \$MOUNT_DIR"
docker run --rm -i --entrypoint /bin/bash -v "$MOUNT_DIR:/workspace" debian:latest -c "ls -la /workspace"

echo "--------------------------------"