[ISV-5621] Fix "Argument list too long" error.

Author: Test User

ci/scripts/opp-env.sh

@@ -71,6 +71,35 @@ echo "OPP_RENAMED_FILES=$OPP_RENAMED_FILES"
 echo "OPP_REMOVED_FILES=$OPP_REMOVED_FILES"
 echo "OPP_LABELS=$OPP_LABELS"
 
+# The values are passed as env vars.
+# According to https://linux.die.net/man/2/execve,
+# env vars take up Bash's buffers which can lead
+# to error "Argument list too long".
+# Therefore we have to undo the exporting by
+# unsetting them before running any non-builtins
+tmp="$OPP_ADDED_MODIFIED_FILES"
+unset OPP_ADDED_MODIFIED_FILES
+OPP_ADDED_MODIFIED_FILES="$tmp"
+
+tmp="$OPP_MODIFIED_FILES"
+unset OPP_MODIFIED_FILES
+OPP_MODIFIED_FILES="$tmp"
+
+tmp="$OPP_RENAMED_FILES"
+unset OPP_RENAMED_FILES
+OPP_RENAMED_FILES="$tmp"
+
+tmp="$OPP_REMOVED_FILES"
+unset OPP_REMOVED_FILES
+OPP_REMOVED_FILES="$tmp"
+
+tmp="$OPP_LABELS"
+unset OPP_LABELS
+OPP_LABELS="$tmp"
+
+unset tmp
+# Un-exporting done
+
 echo "opp_error_code=$OPP_ERROR_CODE" >> $GITHUB_OUTPUT
 echo "opp_recreate=${OPP_RECREATE}" >> $GITHUB_OUTPUT
 echo "opp_auto_packagemanifest_cluster_version_label=$OPP_AUTO_PACKAGEMANIFEST_CLUSTER_VERSION_LABEL" >> $GITHUB_OUTPUT