1 files changed, 101 insertions, 0 deletions
diff --git a/hacks/ubuntu/mac-drivers.sh b/hacks/ubuntu/mac-drivers.sh
new file mode 100755
index 0000000..248e9c0
--- /dev/null
+++ b/hacks/ubuntu/mac-drivers.sh
@@ -0,0 +1,101 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+usage() {
+  echo "Usage: $0 <kernel-version>"
+  echo "  kernel-version: output of 'uname -r' on target machine"
+  echo "  Example: $0 6.11.0-17-generic"
+  exit 1
+}
+
+[[ $# -ne 1 ]] && usage
+
+KERNEL_VERSION="$1"
+OUTPUT_DIR="/tmp/bcmwl-drivers"
+BASE_URL="http://archive.ubuntu.com/ubuntu"
+DISTRO="noble"
+INDEX_DIR=$(mktemp -d)
+
+cleanup() { rm -rf "$INDEX_DIR"; }
+
+fetch_index() {
+  local pocket="$1" component="$2"
+  local dest="${INDEX_DIR}/${pocket}-${component}.txt"
+  echo "Fetching ${pocket}/${component} index..." >&2
+  curl -fsSL "${BASE_URL}/dists/${pocket}/${component}/binary-amd64/Packages.gz" \
+    | gzip -d > "$dest"
+  echo "$dest"
+}
+
+pkg_field() {
+  local index="$1" pkg_name="$2" field="$3"
+  awk '/^Package: '"$pkg_name"'$/{found=1} found && /^'"$field"':/{print; found=0; exit}' "$index"
+}
+
+pkg_filename() {
+  pkg_field "$1" "$2" "Filename" | awk '{print $2}'
+}
+
+download_pkg() {
+  local pkg_name="$1"
+  local filename=""
+  for index in "${INDEXES[@]}"; do
+    filename=$(pkg_filename "$index" "$pkg_name")
+    [[ -n "$filename" ]] && break
+  done
+  if [[ -z "$filename" ]]; then
+    echo "WARNING: $pkg_name not found in any index, skipping" >&2
+    return 0
+  fi
+  local deb
+  deb=$(basename "$filename")
+  if [[ -f "${OUTPUT_DIR}/${deb}" ]]; then
+    echo "  (cached) $deb"
+    return 0
+  fi
+  echo "Downloading $deb..."
+  curl -fL -o "${OUTPUT_DIR}/${deb}" "${BASE_URL}/${filename}"
+}
+
+# Create out directory and configure trap signal
+mkdir -p "$OUTPUT_DIR"
+trap cleanup EXIT
+
+# Fetch indexes
+main_index=$(fetch_index "$DISTRO" "main")
+main_updates=$(fetch_index "${DISTRO}-updates" "main")
+restricted_updates=$(fetch_index "${DISTRO}-updates" "restricted")
+INDEXES=("$main_updates" "$main_index" "$restricted_updates")
+
+# Kernel headers
+download_pkg "linux-headers-${KERNEL_VERSION}"
+
+# Auto-discover base headers from Depends: field
+BASE_HEADERS_PKG=$(pkg_field "$main_updates" "linux-headers-${KERNEL_VERSION}" "Depends" \
+  | grep -o 'linux-hwe-[^ ,)]*' | head -1)
+if [[ -n "$BASE_HEADERS_PKG" ]]; then
+  echo "Base headers: $BASE_HEADERS_PKG"
+  download_pkg "$BASE_HEADERS_PKG"
+fi
+
+# Broadcom source
+download_pkg "broadcom-sta-dkms"
+
+# Build tools (not pre-installed on Ubuntu live ISO)
+echo "Downloading build tools..."
+for pkg in \
+  make \
+  gcc-13-base \
+  cpp-13-x86-64-linux-gnu cpp-13 cpp-x86-64-linux-gnu cpp \
+  gcc-13-x86-64-linux-gnu gcc-13 gcc-x86-64-linux-gnu gcc \
+  binutils-common libsframe1 libbinutils libctf-nobfd0 libctf0 \
+  libjansson4 libgprofng0 binutils-x86-64-linux-gnu binutils \
+  libcc1-0 libisl23 libmpfr6 libmpc3 libgcc-13-dev lto-disabled-list; do
+  download_pkg "$pkg"
+done
+
+# Copy install script alongside the debs
+cp "$(dirname "$0")/install-wl.sh" "$OUTPUT_DIR/"
+chmod +x "$OUTPUT_DIR/install-wl.sh"
+echo ""
+echo "Downloaded to $OUTPUT_DIR:"