From 10ff3db1ab76b462df99760e0166d4d8ed9f237b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Torkel=20=C3=96degaard?= <torkel@grafana.com>
Date: Tue, 5 Mar 2019 15:53:25 +0100
Subject: [PATCH] Added first iteration/poc of changelog task

---
 package.json                   |  4 +++-
 scripts/cli/index.ts           |  8 ++++++++
 scripts/cli/tasks/changelog.ts | 34 ++++++++++++++++++++++++++++++++++
 yarn.lock                      |  5 +++++
 4 files changed, 50 insertions(+), 1 deletion(-)
 create mode 100644 scripts/cli/tasks/changelog.ts

diff --git a/package.json b/package.json
index c5136cf5e02..269328d5221 100644
--- a/package.json
+++ b/package.json
@@ -73,6 +73,7 @@
     "html-webpack-plugin": "^3.2.0",
     "husky": "^1.3.1",
     "inquirer": "^6.2.2",
+    "issue-regex": "^3.0.0",
     "jest": "^23.6.0",
     "jest-date-mock": "^1.0.6",
     "lint-staged": "^8.1.3",
@@ -140,7 +141,8 @@
     "gui:releasePrepare": "ts-node --project ./scripts/cli/tsconfig.json ./scripts/cli/index.ts gui:release",
     "gui:publish": "cd packages/grafana-ui/dist && npm publish --access public",
     "gui:release": "ts-node --project ./scripts/cli/tsconfig.json ./scripts/cli/index.ts gui:release -p",
-    "cli:help": "ts-node --project ./scripts/cli/tsconfig.json ./scripts/cli/index.ts --help"
+    "cli:help": "ts-node --project ./scripts/cli/tsconfig.json ./scripts/cli/index.ts --help",
+    "cli:changelog": "ts-node --project ./scripts/cli/tsconfig.json ./scripts/cli/index.ts core:changelog"
   },
   "husky": {
     "hooks": {
diff --git a/scripts/cli/index.ts b/scripts/cli/index.ts
index 559f7295ad0..108f7877569 100644
--- a/scripts/cli/index.ts
+++ b/scripts/cli/index.ts
@@ -4,6 +4,7 @@ import chalk from 'chalk';
 import { startTask } from './tasks/core.start';
 import { buildTask } from './tasks/grafanaui.build';
 import { releaseTask } from './tasks/grafanaui.release';
+import { changelogTask } from './tasks/changelog';
 
 program.option('-d, --depreciate <scripts>', 'Inform about npm script deprecation', v => v.split(','));
 
@@ -38,6 +39,13 @@ program
     });
   });
 
+program
+  .command('core:changelog')
+  .description('Builds changelog markdown')
+  .action(async cmd => {
+    await execTask(changelogTask)({});
+  });
+
 program.parse(process.argv);
 
 if (program.depreciate && program.depreciate.length === 2) {
diff --git a/scripts/cli/tasks/changelog.ts b/scripts/cli/tasks/changelog.ts
new file mode 100644
index 00000000000..3e87ca888b0
--- /dev/null
+++ b/scripts/cli/tasks/changelog.ts
@@ -0,0 +1,34 @@
+import { Task, TaskRunner } from './task';
+import axios from 'axios';
+import issueRegex from 'issue-regex';
+
+const githubGrafanaUrl = 'https://github.com/grafana/grafana';
+
+interface ChangelogOptions {}
+
+const changelogTaskRunner: TaskRunner<ChangelogOptions> = async () => {
+  let client = axios.create({
+    baseURL: 'https://api.github.com/repos/grafana/grafana',
+    timeout: 10000,
+  });
+
+  const res = await client.get('/issues?state=closed&labels=' + encodeURIComponent('add to changelog'));
+  let markdown = '';
+
+  for (const item of res.data) {
+    markdown += '* ' + item.title;
+    markdown += ` [#${item.number}](${githubGrafanaUrl}/issues/${item.number})`;
+
+    for (const issue of item.body.match(issueRegex())) {
+      markdown += ` [#${issue}](${githubGrafanaUrl}/issues/${issue})`;
+    }
+
+    markdown += '\n';
+  }
+
+  console.log(markdown);
+};
+
+export const changelogTask = new Task<ChangelogOptions>();
+changelogTask.setName('Changelog generator task');
+changelogTask.setRunner(changelogTaskRunner);
diff --git a/yarn.lock b/yarn.lock
index 3d97ef64374..4bfd7775564 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -9929,6 +9929,11 @@ isstream@~0.1.2:
   resolved "https://registry.yarnpkg.com/isstream/-/isstream-0.1.2.tgz#47e63f7af55afa6f92e1500e690eb8b8529c099a"
   integrity sha1-R+Y/evVa+m+S4VAOaQ64uFKcCZo=
 
+issue-regex@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/issue-regex/-/issue-regex-3.0.0.tgz#275c5dac460e7827819f749747baf686109695b7"
+  integrity sha512-KGkx4olfVCmESgFvImfiehUcY+WXnyVZ7uHKJO1eJWQr5QaAn9MSc0ejbCqCrBjafxwDxJ3cB5+dw8tQ8KZNzg==
+
 istanbul-api@^1.3.1:
   version "1.3.7"
   resolved "https://registry.yarnpkg.com/istanbul-api/-/istanbul-api-1.3.7.tgz#a86c770d2b03e11e3f778cd7aedd82d2722092aa"