capture return code from lhci command and proceed

CHANGELOG.md

@@ -1,3 +1,2 @@
-- ENHANCEMENT
-  - remove `LHCI_REPO_NAME`, could be handled within the CI
-  - fix `PATH` order to force use wrapper scripts as default
+- BUGFIX
+  - capture return code from lhci command and proceed with post-processing

overlay/usr/bin/lhci

@@ -3,7 +3,7 @@ set -eo pipefail
 
 CONFIG="${LHCI_BASE_DIR%/}/.lighthouserc.yml"
 
-/usr/local/bin/lhci "$@"
+/usr/local/bin/lhci "$@" || ERROR=true
 
 if [ -f "$CONFIG" ]; then
 
@@ -15,6 +15,7 @@ if [ -f "$CONFIG" ]; then
         DIST="${LHCI_BASE_DIR%/}/${UPLOAD_OUTPUT_DIR%/}/dist"
         mkdir -p "${DIST}"
 
+        if [ -f "$CONFIG" ]; then
             printf "\nPost-process report files...\n"
             for ITEM in $(jq -r '.[] | select( .isRepresentativeRun == true ) | @base64' < "${MANIFEST}"); do
                 JSON=$(echo "${ITEM}" | base64 -d)
@@ -28,5 +29,12 @@ if [ -f "$CONFIG" ]; then
                 cp "${FILENAME}" "${DIST}/${FILENAME_NEW}.html"
                 echo "Report for ${URL} will be uploaded to ${LHCI_SERVER_URL%/}/$(basename "${FILENAME_NEW}").html"
             done
+        else
+            printf "\nPost-processing skipped. Manifest not found!\n"
+        fi
     fi
 fi
+
+if [ -n "$ERROR" ]; then
+    exit 1
+fi