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src/Sdk/StellaOps.Sdk.Generator/go/generate-go.sh

@@ -0,0 +1,77 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+root_dir="$(cd -- "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+config="$root_dir/go/config.yaml"
+spec="${STELLA_OAS_FILE:-}"
+
+if [ -z "$spec" ]; then
+  echo "STELLA_OAS_FILE is required (path to OpenAPI spec)" >&2
+  exit 1
+fi
+
+compute_sha256() {
+  if command -v sha256sum >/dev/null 2>&1; then
+    sha256sum "$1" | awk '{print $1}'
+  elif command -v shasum >/dev/null 2>&1; then
+    shasum -a 256 "$1" | awk '{print $1}'
+  else
+    echo "No sha256 tool available (install sha256sum or shasum)" >&2
+    exit 1
+  fi
+}
+
+spec_hash=$(compute_sha256 "$spec")
+expected_hash="${STELLA_OAS_EXPECTED_SHA256:-}"
+if [ -n "$expected_hash" ] && [ "$expected_hash" != "$spec_hash" ]; then
+  echo "Spec hash mismatch: expected $expected_hash but got $spec_hash" >&2
+  exit 1
+fi
+
+output_dir="${STELLA_SDK_OUT:-$root_dir/out/go}"
+mkdir -p "$output_dir"
+printf "%s  %s\n" "$spec_hash" "$(basename "$spec")" > "$output_dir/.oas.sha256"
+
+# Ensure postprocess copies shared helpers into the generated tree
+export STELLA_POSTPROCESS_ROOT="$output_dir"
+export STELLA_POSTPROCESS_LANG="go"
+
+JAR="${STELLA_OPENAPI_GENERATOR_JAR:-$root_dir/tools/openapi-generator-cli-7.4.0.jar}"
+if [ ! -f "$JAR" ]; then
+  echo "OpenAPI Generator CLI jar not found at $JAR" >&2
+  echo "Set STELLA_OPENAPI_GENERATOR_JAR or download to tools/." >&2
+  exit 1
+fi
+
+# Prefer vendored JDK when java is absent
+if ! command -v java >/dev/null 2>&1; then
+  vendor_jdk="$root_dir/tools/jdk-21.0.1+12"
+  if [ -d "$vendor_jdk/bin" ]; then
+    export JAVA_HOME="$vendor_jdk"
+    export PATH="$JAVA_HOME/bin:$PATH"
+  fi
+fi
+
+if ! command -v java >/dev/null 2>&1; then
+  echo "java not found; install JDK 21 or provide vendored tools/jdk-21.0.1+12" >&2
+  exit 1
+fi
+
+JAVA_OPTS="${JAVA_OPTS:-} -Dorg.openapitools.codegen.utils.postProcessFile=$root_dir/postprocess/postprocess.sh"
+export JAVA_OPTS
+
+java -jar "$JAR" generate \
+  -i "$spec" \
+  -g go \
+  -c "$config" \
+  --skip-validate-spec \
+  --enable-post-process-file \
+  --global-property models,apis,supportingFiles \
+  -o "$output_dir"
+
+# Ensure shared helpers are present even if upstream post-process hooks were skipped for some files
+if [ -f "$output_dir/client.go" ]; then
+  "$root_dir/postprocess/postprocess.sh" "$output_dir/client.go"
+fi
+
+echo "Go SDK generated at $output_dir"