blink: move package into legacyPackage

flake/legacyPackages/blink-cmp.nix

@@ -0,0 +1,38 @@
+{
+  rustPlatform,
+  hostPlatform,
+  vimUtils,
+  git,
+  src,
+  version,
+}: let
+  blink-fuzzy-lib = rustPlatform.buildRustPackage {
+    pname = "blink-fuzzy-lib";
+    inherit version src;
+
+    env = {
+      # TODO: remove this if plugin stops using nightly rust
+      RUSTC_BOOTSTRAP = true;
+    };
+    nativeBuildInputs = [git];
+    cargoLock = {
+      lockFile = "${src}/Cargo.lock";
+      allowBuiltinFetchGit = true;
+    };
+  };
+  libExt =
+    if hostPlatform.isDarwin
+    then "dylib"
+    else "so";
+in
+  vimUtils.buildVimPlugin {
+    pname = "blink-cmp";
+    inherit version src;
+
+    # blink references a repro.lua which is placed outside the lua/ directory
+    doCheck = false;
+    preInstall = ''
+      mkdir -p target/release
+      ln -s ${blink-fuzzy-lib}/lib/libblink_cmp_fuzzy.${libExt} target/release/libblink_cmp_fuzzy.${libExt}
+    '';
+  }