redlib: embed Git hash

pkgs/redlib/default.nix

@@ -22,6 +22,9 @@ rustPlatform.buildRustPackage rec {
   };
 
   patches = [
+    # this is so the commit hash can be embedded so redlib doesn't complain
+    # about the server being outdated unless it's /actually/ outdated
+    ./no-hash.patch
   ];
 
   cargoHash = "sha256-ZmIYTDfdMDkxT1doV5kMMjqIHQ/zhiY/ewd77RqRSMU=";
@@ -63,6 +66,7 @@ rustPlatform.buildRustPackage rec {
 
   env = {
     SSL_CERT_FILE = "${cacert}/etc/ssl/certs/ca-bundle.crt";
+    GIT_HASH=src.rev;
   };
 
   passthru.tests = {

pkgs/redlib/no-hash.patch

@@ -0,0 +1,10 @@
+diff --git a/build.rs b/build.rs
+index 0bdbda0..869c7e6 100644
+--- a/build.rs
++++ b/build.rs
+@@ -21,5 +21,4 @@ fn main() {
+ 	)
+ 	.unwrap_or_default();
+ 	let git_hash = if output == String::default() { "dev".into() } else { output };
+-	println!("cargo:rustc-env=GIT_HASH={git_hash}");
+ }