fix(helmfile-actions): Truncate actual errors (#64)

We're seeing weird behavior on [this](https://github.com/iStreamPlanet/kubernetes_management/pull/4168) PR where the the comment output and the message output don't match.
iStreamPlanet · Nov 30, 2020 · 36439e1 · 36439e1
1 parent 412e2e7
commit 36439e1
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/helmfile-actions/diff.sh b/helmfile-actions/diff.sh
@@ -32,6 +32,9 @@ function helmfileDiff {
     echo "Error: Failed to run helmfile diff"
     echo "${output}"
     echo
+
+    # If output is longer than max length (65536 characters), keep last part
+    output=$(echo "${output}" | tail -c 65000 )
   fi
 
   if [ "$GITHUB_EVENT_NAME" == "pull_request" ] && ([ "${hasChanges}" == "true" ] || [ "${commentStatus}" == "Failed" ]); then