gpu-dawn: CI: upload headers.json + tarball

Fixes hexops/mach#171
Helps hexops/mach#109

Signed-off-by: Stephen Gutekanst <stephen@hexops.com>

gpu-dawn/dev/bundle-release.sh

@@ -0,0 +1,24 @@
+#!/usr/bin/env bash
+set -exuo pipefail
+cd "$(dirname "${BASH_SOURCE[0]}")"/..
+
+# Prepare the `out/` directory that we will bundle.
+rm -rf out/
+mkdir out/
+cp -R libs/dawn/include out/
+cp -R libs/dawn/out/Debug/gen/include/* out/include/
+cp libs/dawn/LICENSE out/
+
+# Bundle headers.json.gz
+pushd out
+python ../dev/dir_to_json.py > ../headers.json
+popd
+gzip -9 headers.json
+
+# Copy the binary into the out/ directory
+cp zig-out/lib/libdawn.a out/
+
+# Create out.tar.gz bundle
+pushd out
+tar -czvf ../out.tar.gz .
+popd