install-vscode-podman-flatpak-oneliner.sh

#!/bin/bash
set -euo pipefail

echo "🔍 Detecting architecture..."
ARCH=$(uname -m)
case "$ARCH" in
  x86_64)   ARCH_NAME="amd64" ;;
  aarch64)  ARCH_NAME="arm64" ;;
  *)        echo "❌ Unsupported architecture: $ARCH"; exit 1 ;;
esac

PODMAN_VERSION="v4.9.0"
URL="https://github.com/containers/podman/releases/download/${PODMAN_VERSION}/podman-remote-static-linux_${ARCH_NAME}.tar.gz"
TMPDIR=$(mktemp -d)

echo "📥 Downloading podman-remote from: $URL"
curl -sL "$URL" | tar -xz -C "$TMPDIR"

BINARY=$TMPDIR/bin/podman-remote-static-linux_${ARCH_NAME}
if [ ! -f "$BINARY" ]; then
  echo "❌ podman-remote binary not found in archive: $BINARY"
  echo "📂 Archive contents:"
  find "$TMPDIR"
  exit 1
fi

echo "🛠 Installing podman-remote wrapper as docker for Flatpak VSCode..."
TARGET_DIR="$HOME/.var/app/com.visualstudio.code/bin"
mkdir -p "$TARGET_DIR"
cp "$BINARY" "$TARGET_DIR/podman-remote"
cat > "$TARGET_DIR/docker" <<EOF
#!/bin/bash
exec "$TARGET_DIR/podman-remote" "\$@"
EOF
chmod +x "$TARGET_DIR/docker"
rm -rf "$TMPDIR"

echo "📦 Installing Visual Studio Code (Flatpak)..."
flatpak install -y flathub com.visualstudio.code

echo "🧩 Configuring Flatpak overrides..."
flatpak override --user --reset com.visualstudio.code
flatpak override --user com.visualstudio.code \
  --filesystem=xdg-run/podman \
  --env=PATH=$HOME/.var/app/com.visualstudio.code/bin:/app/bin:/usr/bin

# ✅ Check for Podman socket (user session)
SOCK_PATH="/run/user/$(id -u)/podman/podman.sock"
echo
echo "🔎 Checking for user Podman socket at:"
echo "    $SOCK_PATH"
if [ ! -S "$SOCK_PATH" ]; then
  echo
  echo "⚠️  Required Podman socket not found at:"
  echo "    $SOCK_PATH"
  echo
  echo "💡 To enable it, run this in your terminal:"
  echo "    systemctl --user enable --now podman.socket"
  echo
  echo "✅ This does not require root or layering."
else
  echo "✅ Podman socket is available."
fi

echo
echo "✅ Setup complete."
echo "▶ Launch VSCode: flatpak run com.visualstudio.code"
echo "▶ Install the Docker extension in VSCode."
echo "▶ Then open settings.json and paste the following:"
cat <<'EOF'

{
  "docker.host": "unix:///run/user/1000/podman/podman.sock",
  "terminal.integrated.defaultProfile.linux": "host-bash",
  "terminal.integrated.profiles.linux": {
    "host-bash": {
      "path": "host-spawn",
      "args": ["bash"]
    }
  }
}

EOF
echo "🧪 Verify with: docker version && docker ps"