From eac66813cab4de07bbfdfd5c59686185a9806846 Mon Sep 17 00:00:00 2001
From: Ryan McKinley <ryantxu@gmail.com>
Date: Mon, 6 Jan 2020 17:10:15 -0800
Subject: [PATCH] Toolkit: add git log info to the plugin build report (#21344)

---
 .../src/cli/tasks/plugin.ci.ts                |  3 +-
 packages/grafana-toolkit/src/plugins/types.ts | 17 +++++++++
 packages/grafana-toolkit/src/plugins/utils.ts | 38 ++++++++++++++++++-
 3 files changed, 56 insertions(+), 2 deletions(-)

diff --git a/packages/grafana-toolkit/src/cli/tasks/plugin.ci.ts b/packages/grafana-toolkit/src/cli/tasks/plugin.ci.ts
index dd30fe86b98..b402f91524c 100644
--- a/packages/grafana-toolkit/src/cli/tasks/plugin.ci.ts
+++ b/packages/grafana-toolkit/src/cli/tasks/plugin.ci.ts
@@ -9,7 +9,7 @@ import { PluginMeta } from '@grafana/data';
 import execa = require('execa');
 import path = require('path');
 import fs from 'fs';
-import { getPackageDetails, findImagesInFolder, getGrafanaVersions } from '../../plugins/utils';
+import { getPackageDetails, findImagesInFolder, getGrafanaVersions, readGitLog } from '../../plugins/utils';
 import {
   job,
   getJobFolder,
@@ -324,6 +324,7 @@ const pluginReportRunner: TaskRunner<PluginCIOptions> = async ({ upload }) => {
     tests: agregateTestInfo(),
     artifactsBaseURL: await getCircleDownloadBaseURL(),
     grafanaVersion: getGrafanaVersions(),
+    git: await readGitLog(),
   };
   const pr = getPullRequestNumber();
   if (pr) {
diff --git a/packages/grafana-toolkit/src/plugins/types.ts b/packages/grafana-toolkit/src/plugins/types.ts
index 1509ffd1731..28c810781a5 100644
--- a/packages/grafana-toolkit/src/plugins/types.ts
+++ b/packages/grafana-toolkit/src/plugins/types.ts
@@ -11,6 +11,7 @@ export interface PluginBuildReport {
   workflow: WorkflowInfo;
   coverage: CoverageInfo[];
   tests: TestResultsInfo[];
+  git?: GitLogInfo;
   pullRequest?: number;
   artifactsBaseURL?: string;
   grafanaVersion?: KeyValue<string>;
@@ -70,3 +71,19 @@ export interface ZipFileInfo {
   sha1?: string;
   md5?: string;
 }
+
+interface UserInfo {
+  name: string;
+  email: string;
+  time?: number;
+}
+
+export interface GitLogInfo {
+  commit: string;
+  tree: string;
+  subject: string;
+  body?: string;
+  notes?: string;
+  author: UserInfo;
+  commiter: UserInfo;
+}
diff --git a/packages/grafana-toolkit/src/plugins/utils.ts b/packages/grafana-toolkit/src/plugins/utils.ts
index 550a1c1d809..3e99283d10f 100644
--- a/packages/grafana-toolkit/src/plugins/utils.ts
+++ b/packages/grafana-toolkit/src/plugins/utils.ts
@@ -2,7 +2,7 @@ import execa from 'execa';
 import path from 'path';
 import fs from 'fs';
 import { KeyValue } from '@grafana/data';
-import { ExtensionSize, ZipFileInfo } from './types';
+import { ExtensionSize, ZipFileInfo, GitLogInfo } from './types';
 
 const md5File = require('md5-file');
 
@@ -92,3 +92,39 @@ export function findImagesInFolder(dir: string, prefix = '', append?: string[]):
 
   return imgs;
 }
+
+export async function readGitLog(): Promise<GitLogInfo | undefined> {
+  try {
+    let exe = await execa('git', [
+      'log',
+      '-1', // last line
+      '--pretty=format:{%n  "commit": "%H",%n  "tree": "%T",%n  "subject": "%s",%n  "author": {%n    "name": "%aN",%n    "email": "%aE",%n    "time":"%at"  },%n  "commiter": {%n    "name": "%cN",%n    "email": "%cE",%n    "time":"%ct"  }%n}',
+    ]);
+    const info = JSON.parse(exe.stdout) as GitLogInfo;
+
+    // Read the body
+    exe = await execa('git', [
+      'log',
+      '-1', // last line
+      '--pretty=format:%b', // Just the body (with newlines!)
+    ]);
+    if (exe.stdout && exe.stdout.length) {
+      info.body = exe.stdout.trim();
+    }
+
+    // Read any commit notes
+    exe = await execa('git', [
+      'log',
+      '-1', // last line
+      '--pretty=format:%N', // commit notes (with newlines!)
+    ]);
+    if (exe.stdout && exe.stdout.length) {
+      info.notes = exe.stdout.trim();
+    }
+
+    return info;
+  } catch (err) {
+    console.warn('Error REading Git log info', err);
+  }
+  return undefined;
+}