fix: populate previous reports with info about the run they came from

src/ctrf/enrichers.ts

@@ -1,5 +1,6 @@
 import { GitHubContext } from '../types'
 import { Report } from 'ctrf'
+import * as core from '@actions/core'
 
 /**
  * Enriches the current CTRF report with details from the GitHub Actions context.
@@ -38,6 +39,32 @@ export function enrichCurrentReportWithRunDetails(
   return extendedReport
 }
 
+/**
+ * Enriches a CTRF report with details from a GitHub Actions workflow run.
+ *
+ * @param report - The CTRF report to enrich.
+ * @param run - The GitHub Actions workflow run details.
+ * @returns The updated CTRF report with enriched run details.
+ */
+export function enrichPreviousReportWithRunDetails(
+  report: Report,
+  run: import('@octokit/openapi-types').components['schemas']['workflow-run']
+): Report {
+  const extendedReport = report
+
+  core.debug(`enriching ${run.id} / ${run.html_url}`)
+
+  extendedReport.results.environment = extendedReport.results.environment ?? {}
+
+  extendedReport.results.environment.buildId = run.id.toString()
+  extendedReport.results.environment.buildNumber = run.run_number.toString()
+  extendedReport.results.environment.buildUrl = run.html_url
+  extendedReport.results.environment.buildName =
+    run.name == null ? undefined : run.name
+
+  return extendedReport
+}
+
 /**
  * Removes the test.extra.durations property from each test if it exists.
  *

src/ctrf/metrics.ts

@@ -7,6 +7,7 @@ import {
 } from '../client/github'
 import { isMatchingWorkflowRun } from '../github'
 import { Inputs, GitHubContext } from '../types'
+import { enrichPreviousReportWithRunDetails } from './enrichers'
 import { enrichReportWithInsights } from 'ctrf'
 import type { Report } from 'ctrf'
 import { storePreviousResults } from './previous-results'
@@ -100,10 +101,9 @@ export async function processPreviousResultsAndMetrics(
         if (isMatching) {
           core.debug(`Attempting to process artifacts for run ${run.id}`)
           try {
-            const artifacts = await processArtifactsFromRun(
-              run,
-              inputs.artifactName
-            )
+            const artifacts = (
+              await processArtifactsFromRun(run, inputs.artifactName)
+            ).map(artifact => enrichPreviousReportWithRunDetails(artifact, run))
             core.debug(
               `Retrieved ${artifacts.length} artifacts from run ${run.id}`
             )