Improve quick checks (#192369)

## Summary
Fixes a few issues around the changed quick-checks.

Addresses: 
- https://github.com/elastic/kibana-operations/issues/195
- https://github.com/elastic/kibana-operations/issues/201 &
https://github.com/elastic/kibana-operations/issues/202

.buildkite/scripts/steps/checks/renovate.sh

@@ -4,5 +4,11 @@
 
 set -euo pipefail
 
+source .buildkite/scripts/common/util.sh
+
 echo --- Check renovate.json
-docker run -v "$(pwd)"/renovate.json:/home/app/renovate.json docker.elastic.co/ci-agent-images/pipelib:0.8.0@sha256:641d7fc6cfe473900a1fbe49876762916d804b09fdf2945f74e9f803f3073779 renovate-config-validator
+
+retry 3 3 docker run \
+  -v "$(pwd)"/renovate.json:/home/app/renovate.json \
+  docker.elastic.co/ci-agent-images/pipelib:0.8.0@sha256:641d7fc6cfe473900a1fbe49876762916d804b09fdf2945f74e9f803f3073779 \
+  renovate-config-validator

packages/kbn-ci-stats-reporter/src/ci_stats_reporter.ts

@@ -170,7 +170,7 @@ export class CiStatsReporter {
       const { stdout } = await execa('git', ['config', 'user.email']);
       email = stdout;
     } catch (e) {
-      this.log.debug(e.message);
+      // no-op - we're ok with email being undefined
     }
 
     try {
@@ -181,7 +181,7 @@ export class CiStatsReporter {
     }
 
     const memUsage = process.memoryUsage();
-    const isElasticCommitter = email && email.endsWith('@elastic.co') ? true : false;
+    const isElasticCommitter = email && email.endsWith('@elastic.co');
 
     const defaultMeta = {
       kibanaUuid,
@@ -200,14 +200,16 @@ export class CiStatsReporter {
       memoryUsageHeapUsed: memUsage.heapUsed,
       memoryUsageExternal: memUsage.external,
       memoryUsageArrayBuffers: memUsage.arrayBuffers,
-      nestedTiming: process.env.CI_STATS_NESTED_TIMING ? true : false,
+      nestedTiming: !!process.env.CI_STATS_NESTED_TIMING,
       osArch: Os.arch(),
       osPlatform: Os.platform(),
       osRelease: Os.release(),
       totalMem: Os.totalmem(),
     };
 
-    this.log.debug('CIStatsReporter committerHash: %s', defaultMeta.committerHash);
+    if (defaultMeta.committerHash) {
+      this.log.debug('CIStatsReporter committerHash: %s', defaultMeta.committerHash);
+    }
 
     return !!(await this.req({
       auth: !!buildId,

src/dev/run_quick_checks.ts

@@ -70,7 +70,7 @@ void run(async ({ log, flagsReader }) => {
   const failedChecks = results.filter((check) => !check.success);
   if (failedChecks.length > 0) {
     logger.write(`--- ${failedChecks.length} quick check(s) failed. ❌`);
-    logger.write(`See above for details.`);
+    logger.write(`See the script(s) marked with ❌ above for details.`);
     process.exitCode = 1;
   } else {
     logger.write('--- All checks passed. ✅');