feat: add mode-aware gitea prepare flow

src/github/api/config.ts

@@ -29,3 +29,7 @@ export const GITEA_SERVER_URL = getServerUrl();
 
 export const GITEA_API_URL =
   process.env.GITEA_API_URL || deriveApiUrl(GITEA_SERVER_URL);
+
+// Backwards-compatible aliases for legacy GitHub-specific naming
+export const GITHUB_SERVER_URL = GITEA_SERVER_URL;
+export const GITHUB_API_URL = GITEA_API_URL;

src/github/operations/comment-logic.ts

@@ -141,14 +141,16 @@ export function updateCommentBody(input: CommentUpdateInput): string {
 
     if (branchLink) {
       // Extract the branch URL from the link
-      const urlMatch = branchLink.match(/\((https:\/\/.*)\)/);
+      const urlMatch = branchLink.match(/\((https?:\/\/[^\)]+)\)/);
       if (urlMatch && urlMatch[1]) {
         branchUrl = urlMatch[1];
       }
 
       // Extract branch name from link if not provided
       if (!finalBranchName) {
-        const branchNameMatch = branchLink.match(/tree\/([^"'\)]+)/);
+        const branchNameMatch = branchLink.match(
+          /(?:tree|src\/branch)\/([^"'\)\s]+)/,
+        );
         if (branchNameMatch) {
           finalBranchName = branchNameMatch[1];
         }
@@ -157,10 +159,17 @@ export function updateCommentBody(input: CommentUpdateInput): string {
 
     // If we don't have a URL yet but have a branch name, construct it
     if (!branchUrl && finalBranchName) {
-      // Extract owner/repo from jobUrl
-      const repoMatch = jobUrl.match(/github\.com\/([^\/]+)\/([^\/]+)\//);
-      if (repoMatch) {
-        branchUrl = `${GITEA_SERVER_URL}/${repoMatch[1]}/${repoMatch[2]}/src/branch/${finalBranchName}`;
+      try {
+        const parsedJobUrl = new URL(jobUrl);
+        const segments = parsedJobUrl.pathname
+          .split("/")
+          .filter((segment) => segment);
+        const [owner, repo] = segments;
+        if (owner && repo) {
+          branchUrl = `${GITEA_SERVER_URL}/${owner}/${repo}/src/branch/${finalBranchName}`;
+        }
+      } catch (error) {
+        console.warn(`Failed to derive branch URL from job URL: ${error}`);
       }
     }
 

src/github/operations/comments/common.ts

@@ -1,6 +1,4 @@
 import { GITEA_SERVER_URL } from "../../api/config";
-import { readFileSync } from "fs";
-import { join } from "path";
 
 function getSpinnerHtml(): string {
   return `<img src="https://raw.githubusercontent.com/markwylde/claude-code-gitea-action/refs/heads/gitea/assets/spinner.gif" width="14px" height="14px" style="vertical-align: middle; margin-left: 4px;" />`;

src/github/operations/git-config.ts

@@ -7,7 +7,7 @@
 
 import { $ } from "bun";
 import type { ParsedGitHubContext } from "../context";
-import { GITHUB_SERVER_URL } from "../api/config";
+import { GITEA_SERVER_URL } from "../api/config";
 
 type GitUser = {
   login: string;
@@ -22,7 +22,7 @@ export async function configureGitAuth(
   console.log("Configuring git authentication for non-signing mode");
 
   // Determine the noreply email domain based on GITHUB_SERVER_URL
-  const serverUrl = new URL(GITHUB_SERVER_URL);
+  const serverUrl = new URL(GITEA_SERVER_URL);
   const noreplyDomain =
     serverUrl.hostname === "github.com"
       ? "users.noreply.github.com"
@@ -46,7 +46,7 @@ export async function configureGitAuth(
   // Remove the authorization header that actions/checkout sets
   console.log("Removing existing git authentication headers...");
   try {
-    await $`git config --unset-all http.${GITHUB_SERVER_URL}/.extraheader`;
+    await $`git config --unset-all http.${GITEA_SERVER_URL}/.extraheader`;
     console.log("✓ Removed existing authentication headers");
   } catch (e) {
     console.log("No existing authentication headers to remove");

src/github/validation/trigger.ts

@@ -8,6 +8,7 @@ import {
   isPullRequestReviewEvent,
   isPullRequestReviewCommentEvent,
 } from "../context";
+import type { IssuesLabeledEvent } from "@octokit/webhooks-types";
 import type { ParsedGitHubContext } from "../context";
 
 export function checkContainsTrigger(context: ParsedGitHubContext): boolean {
@@ -41,6 +42,26 @@ export function checkContainsTrigger(context: ParsedGitHubContext): boolean {
     }
   }
 
+  // Check for issue label trigger
+  if (isIssuesEvent(context) && context.eventAction === "labeled") {
+    const triggerLabel = context.inputs.labelTrigger?.trim();
+    const appliedLabel = (context.payload as IssuesLabeledEvent).label?.name
+      ?.trim();
+
+    console.log(
+      `Checking label trigger: expected='${triggerLabel}', applied='${appliedLabel}'`,
+    );
+
+    if (
+      triggerLabel &&
+      appliedLabel &&
+      triggerLabel.localeCompare(appliedLabel, undefined, { sensitivity: "accent" }) === 0
+    ) {
+      console.log(`Issue labeled with trigger label '${triggerLabel}'`);
+      return true;
+    }
+  }
+
   // Check for issue body and title trigger on issue creation
   if (isIssuesEvent(context) && context.eventAction === "opened") {
     const issueBody = context.payload.issue.body || "";