deterministic shell script

Author: sebas-zip

examples/ring_example/.gitignore

@@ -1,5 +1,3 @@
 /bazel-*
 .DS_Store
-/proto/.DS_Store
-/proto/grpc_server/.DS_Store
-/proto/proto_bindings/.DS_Store
+deterministic_test_store/*

examples/ring_example/test_deterministic.sh

@@ -0,0 +1,86 @@
+#!/bin/bash
+
+set -euo pipefail
+
+echo "=== Testing Deterministic Build for Ring Crate ==="
+
+# Define the target to test
+TARGET="@crates//:ring"
+STORE_DIR="./deterministic_test_store"
+BUILD1_DIR="${STORE_DIR}/build1"
+BUILD2_DIR="${STORE_DIR}/build2"
+
+# Clean up any previous test runs
+if [ -d "$STORE_DIR" ]; then
+    echo "Cleaning up previous test store..."
+    rm -rf "$STORE_DIR"
+fi
+
+# Create directories for storing build outputs
+mkdir -p "$BUILD1_DIR" "$BUILD2_DIR"
+
+echo "--- First Build ---"
+# Build the target
+bazel build --noremote_accept_cached "$TARGET"
+
+# Find and copy the output artifacts
+echo "Copying first build artifacts..."
+BAZEL_BIN=$(bazel info bazel-bin)
+find "$BAZEL_BIN" -name "*ring*" -type f -exec cp {} "$BUILD1_DIR/" \;
+
+# Also get the actual target output specifically
+RING_OUTPUT=$(bazel cquery --output=files "$TARGET" 2>/dev/null)
+if [ -n "$RING_OUTPUT" ]; then
+    cp "$RING_OUTPUT" "$BUILD1_DIR/ring_main_output"
+fi
+
+echo "First build artifacts stored in: $BUILD1_DIR"
+ls -la "$BUILD1_DIR"
+
+echo "--- Cleaning Build ---"
+# Clean the build to ensure we're starting fresh
+bazel clean
+
+echo "--- Second Build ---"
+# Build again
+bazel build --noremote_accept_cached "$TARGET"
+
+# Copy second build artifacts
+echo "Copying second build artifacts..."
+BAZEL_BIN=$(bazel info bazel-bin)
+find "$BAZEL_BIN" -name "*ring*" -type f -exec cp {} "$BUILD2_DIR/" \;
+
+# Also get the actual target output specifically
+RING_OUTPUT=$(bazel cquery --output=files "$TARGET" 2>/dev/null)
+if [ -n "$RING_OUTPUT" ]; then
+    cp "$RING_OUTPUT" "$BUILD2_DIR/ring_main_output"
+fi
+
+echo "Second build artifacts stored in: $BUILD2_DIR"
+ls -la "$BUILD2_DIR"
+
+echo "--- Comparing Build Outputs ---"
+
+# Compare the directories
+if diff -r "$BUILD1_DIR" "$BUILD2_DIR" > /dev/null; then
+    echo "✅ SUCCESS: Builds are deterministic! All artifacts are identical."
+    RESULT=0
+else
+    echo "❌ FAILURE: Builds are NOT deterministic. Differences found:"
+    echo ""
+    diff -r "$BUILD1_DIR" "$BUILD2_DIR" || true
+    echo ""
+    echo "File hashes comparison:"
+    echo "Build 1:"
+    find "$BUILD1_DIR" -type f -exec sha256sum {} \;
+    echo ""
+    echo "Build 2:"
+    find "$BUILD2_DIR" -type f -exec sha256sum {} \;
+    RESULT=1
+fi
+
+echo ""
+echo "=== Test Complete ==="
+echo "Build artifacts stored in: $STORE_DIR"
+
+exit $RESULT