From 64f4695932ff4d27967cf4f0e854e40371dbcc90 Mon Sep 17 00:00:00 2001
From: sommerfeld <sommerfeld@sommerfeld.dev>
Date: Thu, 17 Sep 2026 15:05:36 +0100
Subject: Fetch Rust crates from the static archive server

---
 nix/fetch-crate.nix | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 nix/fetch-crate.nix

(limited to 'nix/fetch-crate.nix')

diff --git a/nix/fetch-crate.nix b/nix/fetch-crate.nix
new file mode 100644
index 0000000..733d83a
--- /dev/null
+++ b/nix/fetch-crate.nix
@@ -0,0 +1,17 @@
+fetchurl: attrs:
+let
+  crate = builtins.match "https://crates[.]io/api/v1/crates/([^/]+)/([^/]+)/download" (
+    attrs.url or ""
+  );
+in
+fetchurl (
+  attrs
+  // (
+    if crate == null then
+      { }
+    else
+      {
+        url = "https://static.crates.io/crates/${builtins.elemAt crate 0}/${builtins.elemAt crate 0}-${builtins.elemAt crate 1}.crate";
+      }
+  )
+)
-- 
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