feat: add Eartly CI

Author: sibiraj-s

README.md

@@ -50,6 +50,7 @@ Officially supported CI servers:
 | [Codeship](https://codeship.com)                                                | `ci.CODESHIP`           | 🚫   |
 | [Drone](https://drone.io)                                                       | `ci.DRONE`              | ✅   |
 | [dsari](https://github.com/rfinnie/dsari)                                       | `ci.DSARI`              | 🚫   |
+| [Earthly CI](https://earthly.dev/)                                              | `ci.EARTHLY`            | 🚫   |
 | [Expo Application Services](https://expo.dev/eas)                               | `ci.EAS`                | 🚫   |
 | [Gerrit CI](https://www.gerritcodereview.com)                                   | `ci.GERRIT`             | 🚫   |
 | [GitHub Actions](https://github.com/features/actions/)                          | `ci.GITHUB_ACTIONS`     | ✅   |

index.d.ts

@@ -43,6 +43,7 @@ export const CODEMAGIC: boolean;
 export const CODESHIP: boolean;
 export const DRONE: boolean;
 export const DSARI: boolean;
+export const EARTHLY: boolean;
 export const EAS: boolean;
 export const GERRIT: boolean;
 export const GITEA_ACTIONS: boolean;

test.js

@@ -983,7 +983,23 @@ test('Prow', function (t) {
   t.equal(ci.PROW, true)
   assertVendorConstants('PROW', ci, t)
 
-  delete process.env.PROW
+  delete process.env.PROW_JOB_ID
+
+  t.end()
+})
+
+test('Earthly CI', function (t) {
+  process.env.EARTHLY_CI = 'true'
+
+  clearModule('./')
+  const ci = require('./')
+
+  t.equal(ci.isCI, true)
+  t.equal(ci.name, 'Earthly')
+  t.equal(ci.EARTHLY, true)
+  assertVendorConstants('EARTHLY', ci, t)
+
+  delete process.env.EARTHLY_CI
 
   t.end()
 })

vendors.json

@@ -110,6 +110,11 @@
     "constant": "DSARI",
     "env": "DSARI"
   },
+  {
+    "name": "Earthly",
+    "constant": "EARTHLY",
+    "env": "EARTHLY_CI"
+  },
   {
     "name": "Expo Application Services",
     "constant": "EAS",