fix(ci) check if file exists before reading

.github/workflows/sdk-pr.yaml

@@ -8,7 +8,7 @@ on:
 
 env:
   GO_VERSION: "1.22"
-  JAVA_VERSION: "11"
+  JAVA_VERSION: "25"
 
 jobs:
   main-go:

scripts/download-oas.sh

@@ -57,7 +57,22 @@ EOF
 	fi
 	cd ${work_dir}/${OAS_REPO_NAME} >/dev/null
 	git checkout -q $apiVersion || (echo "version ${apiVersion} does not exist, using main instead" && git checkout -q main)
-	echo "$service=$(git rev-parse HEAD)" >> oas_commits
+
+	# write commit hash to oas_commits file, normalize name first to match service name in sdk-create-pr.sh, normalization
+	# occurs in go/java/python.sh when creating the SDK modules
+	service_normalized=${service}
+	service_normalized="${service_normalized//-/}"                                  # remove dashes
+	service_normalized="${service_normalized// /}"                                  # remove empty spaces
+	service_normalized="${service_normalized//_/}"                                  # remove underscores
+	service_normalized=$(echo "${service_normalized}" | tr '[:upper:]' '[:lower:]') # convert upper case letters to lower case
+	service_normalized=$(echo "${service_normalized}" | tr -d -c '[:alnum:]')       # remove non-alphanumeric characters
+	echo "$service_normalized=$(git rev-parse HEAD)" >> oas_commits
+	# To support initial integrations of the IaaS API in an Alpha state, we will temporarily use it to generate an IaaS Alpha SDK module
+	# This check can be removed once the IaaS API moves all endpoints to Beta
+	if [[ ${service_normalized} == "iaas" ]]; then
+		echo "iaasalpha=$(git rev-parse HEAD)" >> oas_commits
+	fi
+
 	cd - >/dev/null
 
 	# Prioritize GA over Beta over Alpha versions

scripts/sdk-create-pr.sh

@@ -120,11 +120,21 @@ for service_path in ${work_dir}/sdk_to_push/services/*; do
         fi
 
         # write OAS commit hash of service into source tree, create compare link
-        old_commit=$(cat "services/${service}/oas_commit")
-        new_commit=$(grep "${service}=" "${ROOT_DIR}/oas/oas_commits" | cut -d = -f 2)
+        echo ">> Updating OAS commit for $service"
+        old_commit=""
+        if [[ -f "services/${service}/oas_commit" ]]; then
+          old_commit=$(cat "services/${service}/oas_commit")
+          echo "old commit: ${old_commit}"
+        fi
+        new_commit=""
+        if [[ -f "${ROOT_DIR}/oas/oas_commits" ]]; then
+          new_commit=$(grep "${service}=" "${ROOT_DIR}/oas/oas_commits" | cut -d = -f 2)
+          echo "new commit: ${new_commit}"
+        fi
         compare_link=""
         if [[ -n "${old_commit}" ]] && [[ -n "${new_commit}" ]]; then
           compare_link=https://github.com/stackitcloud/stackit-api-specifications/compare/${old_commit}...${new_commit}
+          echo "compare link: ${compare_link}"
         fi
         if [[ -n "${new_commit}" ]]; then
           echo "${new_commit}" > "services/${service}/oas_commit"