Patch Astro fs.rename to fix EXDEV error in Docker builds

Author: maartenba

astro/package.json

@@ -12,7 +12,8 @@
     "url": "https://github.com/DuendeSoftware/docs.duendesoftware.com.git"
   },
   "notes": {
-    "Astro SVG validation issue": "https://github.com/withastro/astro/issues/13006"
+    "Astro SVG validation issue": "https://github.com/withastro/astro/issues/13006",
+    "Astro EXDEV rename issue": "fs.rename fails across Docker mount boundaries (cross-device); patched to fall back to copy+unlink"
   },
   "scripts": {
     "dev": "astro dev",

astro/patches/astro+6.1.4.patch

@@ -11,3 +11,25 @@ index 0f22881..41cd9ef 100644
    calculate(input) {
      const root = extractorRegExps.root.exec(toUTF8String(input));
      if (root) {
+diff --git a/node_modules/astro/dist/core/build/static-build.js b/node_modules/astro/dist/core/build/static-build.js
+index 79f476a..afb77e9 100644
+--- a/node_modules/astro/dist/core/build/static-build.js
++++ b/node_modules/astro/dist/core/build/static-build.js
+@@ -384,7 +384,7 @@ async function ssrMoveAssets(opts, internals, prerenderOutputDir) {
+         if (!fs.existsSync(currentUrl)) return;
+         const dir = new URL(path.parse(clientUrl.href).dir);
+         if (!fs.existsSync(dir)) await fs.promises.mkdir(dir, { recursive: true });
+-        return fs.promises.rename(currentUrl, clientUrl);
++        try { return await fs.promises.rename(currentUrl, clientUrl); } catch (e) { if (e.code === 'EXDEV') { await fs.promises.copyFile(currentUrl, clientUrl); await fs.promises.unlink(currentUrl); } else { throw e; } }
+       })
+     );
+   }
+@@ -400,7 +400,7 @@ async function ssrMoveAssets(opts, internals, prerenderOutputDir) {
+         if (!fs.existsSync(currentUrl)) return;
+         const dir = new URL(path.parse(clientUrl.href).dir);
+         if (!fs.existsSync(dir)) await fs.promises.mkdir(dir, { recursive: true });
+-        return fs.promises.rename(currentUrl, clientUrl);
++        try { return await fs.promises.rename(currentUrl, clientUrl); } catch (e) { if (e.code === 'EXDEV') { await fs.promises.copyFile(currentUrl, clientUrl); await fs.promises.unlink(currentUrl); } else { throw e; } }
+       })
+     );
+     removeEmptyDirs(fileURLToPath(serverRoot));