feat: add agola CI

Author: sibiraj-s

README.md

@@ -34,6 +34,7 @@ Officially supported CI servers:
 
 | Name                                                                            | Constant                | isPR |
 | ------------------------------------------------------------------------------- | ----------------------- | ---- |
+| [Agola CI](https://agola.io/)                                                   | `ci.AGOLA`              | ✅   |
 | [AWS CodeBuild](https://aws.amazon.com/codebuild/)                              | `ci.CODEBUILD`          | 🚫   |
 | [AppVeyor](http://www.appveyor.com)                                             | `ci.APPVEYOR`           | ✅   |
 | [Azure Pipelines](https://azure.microsoft.com/en-us/services/devops/pipelines/) | `ci.AZURE_PIPELINES`    | ✅   |

index.d.ts

@@ -26,6 +26,7 @@ export const isPR: boolean | null;
  */
 export const name: string | null;
 
+export const AGOLA: boolean;
 export const APPCIRCLE: boolean;
 export const APPVEYOR: boolean;
 export const CODEBUILD: boolean;

test.js

@@ -932,6 +932,44 @@ test('Gitea Actions', function (t) {
   t.end()
 })
 
+test('Agola CI', function (t) {
+  process.env.AGOLA_GIT_REF = 'true'
+  process.env.AGOLA_PULL_REQUEST_ID = ''
+
+  clearModule('./')
+  const ci = require('./')
+
+  t.equal(ci.isCI, true)
+  t.equal(ci.isPR, false)
+  t.equal(ci.name, 'Agola CI')
+  t.equal(ci.AGOLA, true)
+  assertVendorConstants('AGOLA', ci, t)
+
+  delete process.env.AGOLA_GIT_REF
+  delete process.env.AGOLA_PULL_REQUEST_ID
+
+  t.end()
+})
+
+test('Agola CI - PR', function (t) {
+  process.env.AGOLA_GIT_REF = 'true'
+  process.env.AGOLA_PULL_REQUEST_ID = '12'
+
+  clearModule('./')
+  const ci = require('./')
+
+  t.equal(ci.isCI, true)
+  t.equal(ci.isPR, true)
+  t.equal(ci.name, 'Agola CI')
+  t.equal(ci.AGOLA, true)
+  assertVendorConstants('AGOLA', ci, t)
+
+  delete process.env.AGOLA_GIT_REF
+  delete process.env.AGOLA_PULL_REQUEST_ID
+
+  t.end()
+})
+
 function assertVendorConstants (expect, ci, t) {
   ci._vendors.forEach(function (constant) {
     let bool = constant === expect

vendors.json

@@ -1,4 +1,10 @@
 [
+  {
+    "name": "Agola CI",
+    "constant": "AGOLA",
+    "env": "AGOLA_GIT_REF",
+    "pr": "AGOLA_PULL_REQUEST_ID"
+  },
   {
     "name": "Appcircle",
     "constant": "APPCIRCLE",