Revert "Don't send matrix_vars field in status reports."

lib/util.js

@@ -183,7 +183,7 @@ async function createStatusReportBase(actionName, status, actionStartedAt, cause
     }
     let matrix = core.getInput('matrix');
     if (matrix) {
-        // Temporarily do nothing.
+        statusReport.matrix_vars = matrix;
     }
     return statusReport;
 }

src/util.ts

@@ -146,6 +146,8 @@ export interface StatusReportBase {
   "job_name": string;
   // Analysis key, normally composed from the workflow path and job name
   "analysis_key": string;
+  // Value of the matrix for this instantiation of the job
+  "matrix_vars"?: string;
   // Commit oid that the workflow was triggered on
   "commit_oid": string;
   // Ref that the workflow was triggered on
@@ -227,7 +229,7 @@ export async function createStatusReportBase(
   }
   let matrix: string | undefined = core.getInput('matrix');
   if (matrix) {
-    // Temporarily do nothing.
+    statusReport.matrix_vars = matrix;
   }
 
   return statusReport;