Add support for remote repository (#11)

Co-authored-by: Thibault Derousseaux <[email protected]>

Author: Saviq

README.md

@@ -19,6 +19,8 @@ jobs:
         with:
           app_id: ${{ secrets.APP_ID }}
           private_key: ${{ secrets.PRIVATE_KEY }}
+          # Optional (defaults to the current repository).
+          # repository: owner/repo
       - name: Use token
         env:
           TOKEN: ${{ steps.generate_token.outputs.token }}

action.yml

@@ -8,9 +8,11 @@ inputs:
   private_key:
     description: Private key of the GitHub App (can be Base64 encoded).
     required: true
+  repository:
+    description: The full name of the repository for which the token will be requested (defaults to the current repository).
 outputs:
   token:
-    description: An installation token for the GitHub App on the current repository.
+    description: An installation token for the GitHub App on the requested repository.
 runs:
   using: node12
   main: dist/index.js

package.json

@@ -1,6 +1,6 @@
 {
   "name": "github-app-token",
-  "version": "1.2.0",
+  "version": "1.3.0",
   "license": "MIT",
   "files": [
     "action.yml",
@@ -19,23 +19,22 @@
     "@actions/github": "^4.0.0",
     "@octokit/auth-app": "^2.10.5",
     "@types/is-base64": "^1.1.0",
-    "@types/jest": "^26.0.18",
-    "@types/node": "^14.14.11",
-    "@typescript-eslint/eslint-plugin": "^4.9.1",
-    "@typescript-eslint/parser": "^4.9.1",
-    "@vercel/ncc": "^0.25.1",
-    "eslint": "^7.15.0",
-    "eslint-config-prettier": "^7.0.0",
+    "@types/node": "^14.14.14",
+    "@typescript-eslint/eslint-plugin": "^4.10.0",
+    "@typescript-eslint/parser": "^4.10.0",
+    "@vercel/ncc": "^0.26.1",
+    "eslint": "^7.16.0",
+    "eslint-config-prettier": "^7.1.0",
     "eslint-config-xo": "^0.33.1",
-    "eslint-config-xo-typescript": "^0.36.0",
+    "eslint-config-xo-typescript": "^0.37.0",
     "eslint-import-resolver-typescript": "^2.3.0",
     "eslint-plugin-import": "^2.22.1",
     "eslint-plugin-sort-destructure-keys": "^1.3.5",
     "eslint-plugin-typescript-sort-keys": "^1.5.0",
-    "eslint-plugin-unicorn": "^23.0.0",
+    "eslint-plugin-unicorn": "^24.0.0",
     "is-base64": "^1.1.0",
     "prettier": "^2.2.1",
     "promise-retry": "^2.0.1",
-    "typescript": "^4.1.2"
+    "typescript": "^4.1.3"
   }
 }

src/fetch-installation-token.ts

@@ -3,14 +3,21 @@ import { createAppAuth } from "@octokit/auth-app";
 
 export const fetchInstallationToken = async ({
   appId,
+  owner,
   privateKey,
-}: Readonly<{ appId: string; privateKey: string }>): Promise<string> => {
+  repo,
+}: Readonly<{
+  appId: string;
+  owner: string;
+  privateKey: string;
+  repo: string;
+}>): Promise<string> => {
   const app = createAppAuth({ appId, privateKey });
   const authApp = await app({ type: "app" });
   const octokit = getOctokit(authApp.token);
   const {
     data: { id: installationId },
-  } = await octokit.apps.getRepoInstallation(context.repo);
+  } = await octokit.apps.getRepoInstallation({ owner, repo });
   const installation = await app({ installationId, type: "installation" });
   return installation.token;
 };

src/index.ts

@@ -1,4 +1,5 @@
 import { getInput, info, setFailed, setOutput, setSecret } from "@actions/core";
+import { context } from "@actions/github";
 
 import isBase64 from "is-base64";
 
@@ -12,9 +13,16 @@ const run = async () => {
       ? Buffer.from(privateKeyInput, "base64").toString("utf8")
       : privateKeyInput;
 
+    const repositoryInput = getInput("repository");
+    const [owner, repo] = repositoryInput
+      ? repositoryInput.split("/")
+      : [context.repo.owner, context.repo.repo];
+
     const installationToken = await fetchInstallationToken({
       appId,
+      owner,
       privateKey,
+      repo,
     });
 
     setSecret(installationToken);