Strip out TRIGGER\_ keys when using syncEnvVars, to prevent deploy errors

Author: ericallam

.changeset/twelve-onions-decide.md

@@ -0,0 +1,5 @@
+---
+"@trigger.dev/build": patch
+---
+
+Strip out TRIGGER\_ keys when using syncEnvVars, to prevent deploy errors

packages/build/src/extensions/core/syncEnvVars.ts

@@ -63,6 +63,8 @@ const UNSYNCABLE_ENV_VARS = [
   "_",
 ];
 
+const UNSYNCABLE_ENV_VARS_PREFIXES = ["TRIGGER_"];
+
 export type SyncEnvVarsFunction = (params: SyncEnvVarsParams) => SyncEnvVarsResult;
 
 export type SyncEnvVarsOptions = {
@@ -98,6 +100,11 @@ export function syncEnvVars(fn: SyncEnvVarsFunction, options?: SyncEnvVarsOption
             return acc;
           }
 
+          // Strip out any TRIGGER_ prefix env vars
+          if (UNSYNCABLE_ENV_VARS_PREFIXES.some((prefix) => key.startsWith(prefix))) {
+            return acc;
+          }
+
           acc[key] = value;
           return acc;
         },