.github/workflows/ci.yml

@@ -24,6 +24,8 @@ jobs:
         with:
           node-version: 20.x
           cache: npm
+      - name: Install Docker
+        run: apt update && apt install docker.io -y
       - run: npm ci
       - run: npm run build
       - run: npm run format-check

.github/workflows/upstream_sync.yml

@@ -0,0 +1,18 @@
+# .github/workflows/sync.yml
+name: Rebase Upstream
+on:
+  schedule:
+  - cron: "0 0 * * 0"  # run once a week
+  workflow_dispatch:   # run manually
+
+jobs:
+  sync:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@master
+      with:
+        fetch-depth: 10  # greater than the number of commits you made
+    - uses: imba-tjd/rebase-upstream-action@master
+      with:  # all args are optional
+        upstream: peter-evans/create-pull-request
+        branch:   main

__test__/integration-tests.sh

@@ -1,5 +1,6 @@
 #!/usr/bin/env bash
 set -euo pipefail
+set -xv
 
 IMAGE="cpr-integration-tests:latest"
 ARG1=${1:-}

dist/index.js

@@ -405,8 +405,10 @@ function createPullRequest(inputs) {
             core.startGroup('Determining the base and head repositories');
             const baseRemote = gitConfigHelper.getGitRemote();
             // Init the GitHub clients
-            const ghBranch = new github_helper_1.GitHubHelper(baseRemote.hostname, inputs.branchToken);
-            const ghPull = new github_helper_1.GitHubHelper(baseRemote.hostname, inputs.token);
+            const apiUrl = yield github_helper_1.GitHubHelper.determineApiUrl(baseRemote.hostname);
+            core.info(`Using API base URL: ${apiUrl}`);
+            const ghBranch = new github_helper_1.GitHubHelper(apiUrl, inputs.branchToken);
+            const ghPull = new github_helper_1.GitHubHelper(apiUrl, inputs.token);
             // Determine the head repository; the target for the pull request branch
             const branchRemoteName = inputs.pushToFork ? 'fork' : 'origin';
             const branchRepository = inputs.pushToFork
@@ -1275,25 +1277,52 @@ const core = __importStar(__nccwpck_require__(7484));
 const octokit_client_1 = __nccwpck_require__(3489);
 const p_limit_1 = __importDefault(__nccwpck_require__(7989));
 const utils = __importStar(__nccwpck_require__(9277));
-const ERROR_PR_ALREADY_EXISTS = 'A pull request already exists for';
+const ERROR_PR_ALREADY_EXISTS = 'pull request already exists for';
 const ERROR_PR_REVIEW_TOKEN_SCOPE = 'Validation Failed: "Could not resolve to a node with the global id of';
 const ERROR_PR_FORK_COLLAB = `Fork collab can't be granted by someone without permission`;
 const blobCreationLimit = (0, p_limit_1.default)(8);
 class GitHubHelper {
-    constructor(githubServerHostname, token) {
+    constructor(apiUrl, token) {
         const options = {};
         if (token) {
             options.auth = `${token}`;
         }
-        if (githubServerHostname !== 'github.com') {
-            options.baseUrl = `https://${githubServerHostname}/api/v3`;
-        }
-        else {
-            options.baseUrl = 'https://api.github.com';
-        }
+        options.baseUrl = apiUrl;
         options.throttle = octokit_client_1.throttleOptions;
         this.octokit = new octokit_client_1.Octokit(options);
     }
+    static determineApiUrl(hostname) {
+        return __awaiter(this, void 0, void 0, function* () {
+            if (hostname === 'github.com') {
+                return 'https://api.github.com';
+            }
+            const baseUrl = `https://${hostname}`;
+            const possiblePaths = [
+                '/api/v4/version',
+                '/api/forgejo/v1/version',
+                '/api/v1/version'
+            ];
+            for (const path of possiblePaths) {
+                try {
+                    const url = `${baseUrl}${path}`;
+                    const response = yield fetch(url, { method: 'GET', redirect: 'manual' }); // GitLab redirects
+                    // invalid API paths
+                    // to login prompt
+                    // which returns 200
+                    const contentType = response.headers.get('Content-Type') || '';
+                    if ((response.ok || [401, 403].includes(response.status)) && // We might get 401, 403
+                        // as we're unauthorised
+                        contentType.includes('application/json')) {
+                        return path.includes('/version') ? url.replace('/version', '') : url;
+                    }
+                }
+                catch (error) {
+                    // Ignore errors and try the next path
+                }
+            }
+            throw new Error(`Unable to determine API base URL for hostname: ${hostname}`);
+        });
+    }
     parseRepository(repository) {
         const [owner, repo] = repository.split('/');
         return {

src/create-pull-request.ts

@@ -51,8 +51,10 @@ export async function createPullRequest(inputs: Inputs): Promise<void> {
     core.startGroup('Determining the base and head repositories')
     const baseRemote = gitConfigHelper.getGitRemote()
     // Init the GitHub clients
-    const ghBranch = new GitHubHelper(baseRemote.hostname, inputs.branchToken)
-    const ghPull = new GitHubHelper(baseRemote.hostname, inputs.token)
+    const apiUrl = await GitHubHelper.determineApiUrl(baseRemote.hostname)
+    core.info(`Using API base URL: ${apiUrl}`)
+    const ghBranch = new GitHubHelper(apiUrl, inputs.branchToken)
+    const ghPull = new GitHubHelper(apiUrl, inputs.token)
     // Determine the head repository; the target for the pull request branch
     const branchRemoteName = inputs.pushToFork ? 'fork' : 'origin'
     const branchRepository = inputs.pushToFork

src/github-helper.ts

@@ -5,7 +5,7 @@ import {Octokit, OctokitOptions, throttleOptions} from './octokit-client'
 import pLimit from 'p-limit'
 import * as utils from './utils'
 
-const ERROR_PR_ALREADY_EXISTS = 'A pull request already exists for'
+const ERROR_PR_ALREADY_EXISTS = 'pull request already exists for'
 const ERROR_PR_REVIEW_TOKEN_SCOPE =
   'Validation Failed: "Could not resolve to a node with the global id of'
 const ERROR_PR_FORK_COLLAB = `Fork collab can't be granted by someone without permission`
@@ -41,20 +41,54 @@ type TreeObject = {
 export class GitHubHelper {
   private octokit: InstanceType<typeof Octokit>
 
-  constructor(githubServerHostname: string, token: string) {
+  constructor(apiUrl: string, token: string) {
     const options: OctokitOptions = {}
     if (token) {
       options.auth = `${token}`
     }
-    if (githubServerHostname !== 'github.com') {
-      options.baseUrl = `https://${githubServerHostname}/api/v3`
-    } else {
-      options.baseUrl = 'https://api.github.com'
-    }
+    options.baseUrl = apiUrl
     options.throttle = throttleOptions
     this.octokit = new Octokit(options)
   }
 
+  static async determineApiUrl(hostname: string): Promise<string> {
+    if (hostname === 'github.com') {
+      return 'https://api.github.com'
+    }
+
+    const baseUrl = `https://${hostname}`
+    const possiblePaths = [
+      '/api/v4/version',
+      '/api/forgejo/v1/version',
+      '/api/v1/version'
+    ]
+
+    for (const path of possiblePaths) {
+      try {
+        const url = `${baseUrl}${path}`
+        const response = await fetch(url, {method: 'GET', redirect: 'manual'}) // GitLab redirects
+        // invalid API paths
+        // to login prompt
+        // which returns 200
+
+        const contentType = response.headers.get('Content-Type') || ''
+        if (
+          (response.ok || [401, 403].includes(response.status)) && // We might get 401, 403
+          // as we're unauthorised
+          contentType.includes('application/json')
+        ) {
+          return path.includes('/version') ? url.replace('/version', '') : url
+        }
+      } catch (error) {
+        // Ignore errors and try the next path
+      }
+    }
+
+    throw new Error(
+      `Unable to determine API base URL for hostname: ${hostname}`
+    )
+  }
+
   private parseRepository(repository: string): Repository {
     const [owner, repo] = repository.split('/')
     return {