From bd35ead3705085c87164f4cdc7781fc66ca68dfb Mon Sep 17 00:00:00 2001
From: Jarmo Isotalo <jamo@isotalo.fi>
Date: Tue, 29 Sep 2020 18:21:24 +0300
Subject: [PATCH 1/3] Add siteHash and userAgent

---
 packages/gatsby-telemetry/src/telemetry.ts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/packages/gatsby-telemetry/src/telemetry.ts b/packages/gatsby-telemetry/src/telemetry.ts
index aa1d7cfc15256..9ee0391c8d8bf 100644
--- a/packages/gatsby-telemetry/src/telemetry.ts
+++ b/packages/gatsby-telemetry/src/telemetry.ts
@@ -73,6 +73,8 @@ export interface ITelemetryTagsPayload {
   name?: string
   starterName?: string
   siteName?: string
+  siteHash?: string
+  userAgent?: string
   pluginName?: string
   exitCode?: number
   duration?: number

From 94edfa8784b9be543257b8a000277ec9b574ff47 Mon Sep 17 00:00:00 2001
From: Jarmo Isotalo <jamo@isotalo.fi>
Date: Tue, 29 Sep 2020 18:26:49 +0300
Subject: [PATCH 2/3] Track user-agent

---
 packages/gatsby-telemetry/src/index.ts     | 6 ++++--
 packages/gatsby-telemetry/src/telemetry.ts | 4 ++--
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/packages/gatsby-telemetry/src/index.ts b/packages/gatsby-telemetry/src/index.ts
index e0eb6224fe4df..a44f7d2ec6281 100644
--- a/packages/gatsby-telemetry/src/index.ts
+++ b/packages/gatsby-telemetry/src/index.ts
@@ -84,9 +84,11 @@ export function addSiteMeasurement(event: string, obj): void {
 }
 
 export function expressMiddleware(source: string) {
-  return function (_req: Request, _res: Response, next): void {
+  return function (req: Request, _res: Response, next): void {
     try {
-      instance.trackActivity(`${source}_ACTIVE`)
+      instance.trackActivity(`${source}_ACTIVE`, {
+        userAgent: req.headers[`user-agent`],
+      })
     } catch (e) {
       // ignore
     }
diff --git a/packages/gatsby-telemetry/src/telemetry.ts b/packages/gatsby-telemetry/src/telemetry.ts
index 9ee0391c8d8bf..0bcbfa897ff06 100644
--- a/packages/gatsby-telemetry/src/telemetry.ts
+++ b/packages/gatsby-telemetry/src/telemetry.ts
@@ -371,7 +371,7 @@ export class AnalyticsTracker {
     return osInfo
   }
 
-  trackActivity(source: string): void {
+  trackActivity(source: string, tags: ITelemetryTagsPayload = {}): void {
     if (!this.isTrackingEnabled()) {
       return
     }
@@ -381,7 +381,7 @@ export class AnalyticsTracker {
     const debounceTime = 5 * 1000 // 5 sec
 
     if (now - last > debounceTime) {
-      this.captureEvent(source)
+      this.captureEvent(source, tags)
     }
     this.debouncer[source] = now
   }

From 2a5eae617a172a4682e84ba1cbaf5c577fe71e27 Mon Sep 17 00:00:00 2001
From: Jarmo Isotalo <jamo@isotalo.fi>
Date: Wed, 30 Sep 2020 12:12:37 +0300
Subject: [PATCH 3/3] capture siteHash

---
 packages/gatsby-telemetry/src/index.ts     |  2 +-
 packages/gatsby-telemetry/src/telemetry.ts | 17 ++++++++++++++++-
 yarn.lock                                  |  2 +-
 3 files changed, 18 insertions(+), 3 deletions(-)

diff --git a/packages/gatsby-telemetry/src/index.ts b/packages/gatsby-telemetry/src/index.ts
index 7c5452bc73aad..807a090dc6f83 100644
--- a/packages/gatsby-telemetry/src/index.ts
+++ b/packages/gatsby-telemetry/src/index.ts
@@ -38,7 +38,7 @@ export function trackCli(
   tags?: ITelemetryTagsPayload,
   opts?: ITelemetryOptsPayload
 ): void {
-  instance.captureEvent(input, tags, opts)
+  instance.trackCli(input, tags, opts)
 }
 
 export function captureEvent(
diff --git a/packages/gatsby-telemetry/src/telemetry.ts b/packages/gatsby-telemetry/src/telemetry.ts
index 0bcbfa897ff06..8c05655df27af 100644
--- a/packages/gatsby-telemetry/src/telemetry.ts
+++ b/packages/gatsby-telemetry/src/telemetry.ts
@@ -1,6 +1,6 @@
 import uuidv4 from "uuid/v4"
 import os from "os"
-import { isCI, getCIName } from "gatsby-core-utils"
+import { isCI, getCIName, createContentDigest } from "gatsby-core-utils"
 import {
   getRepositoryId as _getRepositoryId,
   IRepositoryId,
@@ -120,6 +120,7 @@ export class AnalyticsTracker {
   repositoryId?: IRepositoryId
   features = new Set<string>()
   machineId: string
+  siteHash?: string = createContentDigest(process.cwd())
 
   constructor({
     componentId,
@@ -204,6 +205,20 @@ export class AnalyticsTracker {
     return `-0.0.0`
   }
 
+  trackCli(
+    type: string | Array<string> = ``,
+    tags: ITelemetryTagsPayload = {},
+    opts: ITelemetryOptsPayload = { debounce: false }
+  ): void {
+    if (!this.isTrackingEnabled()) {
+      return
+    }
+    if (typeof tags.siteHash === `undefined`) {
+      tags.siteHash = this.siteHash
+    }
+    this.captureEvent(type, tags, opts)
+  }
+
   captureEvent(
     type: string | Array<string> = ``,
     tags: ITelemetryTagsPayload = {},
diff --git a/yarn.lock b/yarn.lock
index bb5e07f54ab21..b792d8fbe3a15 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -20725,7 +20725,7 @@ remark-mdx@1.6.16:
     remark-parse "8.0.3"
     unified "9.1.0"
 
-remark-mdx@^1.6.18, remark-mdx@^1.6.6:
+remark-mdx@^1.6.18:
   version "1.6.18"
   resolved "https://registry.yarnpkg.com/remark-mdx/-/remark-mdx-1.6.18.tgz#d8c76017c95824cc7fb853bb2759add8ba0cf319"
   integrity sha512-xNhjv4kJZ8L6RV68yK8fQ6XWlvSIFOE5VPmM7wMKSwkvwBu6tlUJy0gRF2WiZ4fPPOj6jpqlVB9QakipvZuEqg==