fix(web): support ports in chat file references (#1565)

* fix(web): support ports in chat file references

* chore: add changelog entry for #1565

* test(web): assert port file reference captures

Author: brendan-kellam

CHANGELOG.md

@@ -34,6 +34,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Upgraded `nanoid` to `^3.3.18`. [#1557](https://github.com/sourcebot-dev/sourcebot/pull/1557)
 - Upgraded `dompurify` to `^3.4.13`. [#1556](https://github.com/sourcebot-dev/sourcebot/pull/1556)
 - Upgraded `mermaid` to `^11.16.1`. [#1555](https://github.com/sourcebot-dev/sourcebot/pull/1555)
+- [EE] Fixed Ask Sourcebot file reference citations for repositories whose code host URL includes a port. [#1565](https://github.com/sourcebot-dev/sourcebot/pull/1565)
 
 ## [5.1.5] - 2026-07-31
 

packages/web/src/ee/features/chat/components/chatThread/markdownRenderer.tsx

@@ -49,7 +49,7 @@ function remarkReferencesPlugin() {
     return function (tree: Nodes) {
         findAndReplace(tree, [
             FILE_REFERENCE_REGEX,
-            (_, repo: string, fileName: string, startLine?: string, endLine?: string) => {
+            (_, repo: string, _port: string | undefined, fileName: string, startLine?: string, endLine?: string) => {
                 // Create display text
                 let displayText = fileName.split('/').pop() ?? fileName;
 
@@ -290,4 +290,4 @@ const MarkdownRendererComponent = forwardRef<HTMLDivElement, MarkdownRendererPro
 
 MarkdownRendererComponent.displayName = 'MarkdownRenderer';
 
-export const MarkdownRenderer = memo(MarkdownRendererComponent, isEqual);
+export const MarkdownRenderer = memo(MarkdownRendererComponent, isEqual);

packages/web/src/ee/features/chat/skills/commandResolution.ts

@@ -143,7 +143,7 @@ export const getFileSourcesFromText = (text: string): FileSource[] => {
     FILE_REFERENCE_REGEX.lastIndex = 0;
     let match: RegExpExecArray | null;
     while ((match = FILE_REFERENCE_REGEX.exec(text)) !== null) {
-        const [, repo, path] = match;
+        const [, repo, , path] = match;
         if (!repo || !path) {
             continue;
         }

packages/web/src/ee/features/chat/skills/components/skillInstructionsEditor.tsx

@@ -44,7 +44,7 @@ const parseInlineInstructions = (text: string): Descendant[] => {
     FILE_REFERENCE_REGEX.lastIndex = 0;
     let match: RegExpExecArray | null;
     while ((match = FILE_REFERENCE_REGEX.exec(text)) !== null) {
-        const [rawReference, repo, path] = match;
+        const [rawReference, repo, , path] = match;
         if (!repo || !path) {
             continue;
         }

packages/web/src/ee/features/chat/useExtractPanelItems.ts

@@ -70,7 +70,7 @@ export const useExtractPanelItems = (
         const combined = new RegExp(`${MERMAID_BLOCK_REGEX.source}|${FILE_REFERENCE_REGEX.source}`, 'g');
         let match: RegExpExecArray | null;
         while ((match = combined.exec(text)) !== null) {
-            // match[1]: mermaid body. match[2..5]: file reference repo/path/start/end.
+            // match[1]: mermaid body. match[2..6]: file reference repo/port/path/start/end.
             if (match[1] !== undefined) {
                 const code = match[1].trim();
                 if (!code) {
@@ -85,8 +85,8 @@ export const useExtractPanelItems = (
                 const diagramIndex = diagrams.length;
                 diagrams.push(diagram);
                 orderedItems.push({ kind: 'diagram', diagram, diagramIndex });
-            } else if (match[2] !== undefined && match[3] !== undefined) {
-                const reference = createFileReference({ repo: match[2], path: match[3], startLine: match[4], endLine: match[5] });
+            } else if (match[2] !== undefined && match[4] !== undefined) {
+                const reference = createFileReference({ repo: match[2], path: match[4], startLine: match[5], endLine: match[6] });
                 const source = tryResolveFileReference(reference, referencedFileSources);
                 if (!source) {
                     continue;

packages/web/src/ee/features/chat/useExtractReferences.ts

@@ -19,7 +19,7 @@ export const useExtractReferences = (part?: TextUIPart) => {
 
         let match;
         while ((match = FILE_REFERENCE_REGEX.exec(content ?? '')) !== null && match !== null) {
-            const [_, repo, fileName, startLine, endLine] = match;
+            const [, repo, , fileName, startLine, endLine] = match;
 
             const fileReference = createFileReference({
                 repo: repo,

packages/web/src/features/chat/constants.ts

@@ -1,7 +1,7 @@
 export const FILE_REFERENCE_PREFIX = '@file:';
 export const FILE_REFERENCE_REGEX = new RegExp(
     // @file:{repoName::fileName:startLine-endLine}
-    `${FILE_REFERENCE_PREFIX}\\{([^:}]+)::([^:}]+)(?::(\\d+)(?:-(\\d+))?)?\\}`, 
+    `${FILE_REFERENCE_PREFIX}\\{([^:}]+(:\\d+)?[^:}]*)::([^:}]+)(?::(\\d+)(?:-(\\d+))?)?\\}`,
     'g'
 );
 

packages/web/src/features/chat/utils.test.ts

@@ -134,6 +134,27 @@ test('fileReferenceToString matches FILE_REFERENCE_REGEX', () => {
     }))).toBe(true);
 });
 
+test('fileReferenceToString matches FILE_REFERENCE_REGEX for repos with ports', () => {
+    const reference = fileReferenceToString({
+        repo: 'git.example.com:8080/org/repo',
+        path: 'auth.ts',
+        range: {
+            startLine: 45,
+            endLine: 60,
+        },
+    });
+
+    FILE_REFERENCE_REGEX.lastIndex = 0;
+    const match = FILE_REFERENCE_REGEX.exec(reference);
+
+    expect(match).not.toBeNull();
+    expect(match?.[1]).toBe('git.example.com:8080/org/repo');
+    expect(match?.[2]).toBe(':8080');
+    expect(match?.[3]).toBe('auth.ts');
+    expect(match?.[4]).toBe('45');
+    expect(match?.[5]).toBe('60');
+});
+
 test('slateContentToString serializes command mentions as literal slash commands', () => {
     const children = [{
         type: 'paragraph',

packages/web/src/features/chat/utils.ts

@@ -284,7 +284,7 @@ export const createFileReference = ({ repo, path, startLine, endLine }: { repo:
 export const convertLLMOutputToPortableMarkdown = (text: string, baseUrl: string, sources: FileSource[]): string => {
     return text
         .replace(ANSWER_TAG, '')
-        .replace(FILE_REFERENCE_REGEX, (_, repo, fileName, startLine, endLine) => {
+        .replace(FILE_REFERENCE_REGEX, (_, repo, _port, fileName, startLine, endLine) => {
             const reference = createFileReference({
                 repo,
                 path: fileName,