fix: make the repoId case insensitive

src/database/anonymizedRepositories/anonymizedRepositories.schema.ts

@@ -3,7 +3,7 @@ import { Schema } from "mongoose";
 const AnonymizedRepositorySchema = new Schema({
   repoId: {
     type: String,
-    index: { unique: true },
+    index: { unique: true, collation: { locale: "en", strength: 2 } },
   },
   status: {
     type: String,

src/database/database.ts

@@ -42,7 +42,13 @@ export async function getRepository(
   if (!opts.includeFiles) {
     project.originalFiles = 0;
   }
-  const data = await AnonymizedRepositoryModel.findOne({ repoId }, project);
+  const data = await AnonymizedRepositoryModel.findOne(
+    { repoId },
+    project
+  ).collation({
+    locale: "en",
+    strength: 2,
+  });
   if (!data)
     throw new AnonymousError("repo_not_found", {
       object: repoId,

src/routes/repository-private.ts

@@ -441,6 +441,19 @@ router.post("/", async (req: express.Request, res: express.Response) => {
   const repoUpdate = req.body;
 
   try {
+    try {
+      await db.getRepository(repoUpdate.repoId, { includeFiles: false });
+      throw new AnonymousError("repoId_already_used", {
+        httpStatus: 400,
+        object: repoUpdate,
+      });
+    } catch (error: any) {
+      if (error.message == "repo_not_found") {
+        // the repository does not exist yet
+      } else {
+        throw error;
+      }
+    }
     validateNewRepo(repoUpdate);
 
     const r = gh(repoUpdate.fullName);