fix: decode compressed git mirror rpc requests

scripts/g14-gitops-render.mjs

@@ -2825,6 +2825,7 @@ date -u +%Y-%m-%dT%H:%M:%SZ > /cache/HWLAB.last-sync
 import { spawn } from "node:child_process";
 import { createReadStream, statSync } from "node:fs";
 import path from "node:path";
+import { createGunzip, createInflate } from "node:zlib";
 
 const cacheRoot = process.env.GIT_MIRROR_CACHE_ROOT || "/cache";
 const port = Number(process.env.PORT || 8080);
@@ -2889,6 +2890,14 @@ function pktLine(text) {
   return ` + "`" + `\${length.toString(16).padStart(4, "0")}\${text}` + "`" + `;
 }
 
+function requestBodyStream(req) {
+  const encoding = String(req.headers["content-encoding"] || "identity").toLowerCase();
+  if (encoding === "identity" || encoding === "") return req;
+  if (encoding === "gzip" || encoding === "x-gzip") return req.pipe(createGunzip());
+  if (encoding === "deflate") return req.pipe(createInflate());
+  throw new Error(` + "`" + `unsupported git upload-pack content-encoding: \${encoding}` + "`" + `);
+}
+
 function runUploadPackAdvertisement(repoPath, res) {
   return new Promise((resolve, reject) => {
     const child = spawn("git-upload-pack", ["--stateless-rpc", "--advertise-refs", repoPath], { stdio: ["ignore", "pipe", "pipe"] });
@@ -2918,7 +2927,9 @@ function runUploadPackRpc(repoPath, req, res) {
       else resolve();
     });
     res.writeHead(200, smartHeaders("application/x-git-upload-pack-result"));
-    req.pipe(child.stdin);
+    const body = requestBodyStream(req);
+    body.on("error", (error) => child.stdin.destroy(error));
+    body.pipe(child.stdin);
     child.stdout.pipe(res);
   });
 }