Remove rust nightly overlay

.gitattributes

@@ -1,2 +1 @@
 flake.lock linguist-generated=true
-toolchain-manifest.toml linguist-generated=true

flake.lock

@@ -14,25 +14,9 @@
         "type": "indirect"
       }
     },
-    "nixpkgs-mozilla": {
-      "locked": {
-        "lastModified": 1643634764,
-        "narHash": "sha256-EcFlgzZnZSHwZixELYV1pa267t+u5mCeLhSNBeAA/+c=",
-        "owner": "mozilla",
-        "repo": "nixpkgs-mozilla",
-        "rev": "f233fdc4ff6ba2ffeb1e3e3cd6d63bb1297d6996",
-        "type": "github"
-      },
-      "original": {
-        "owner": "mozilla",
-        "repo": "nixpkgs-mozilla",
-        "type": "github"
-      }
-    },
     "root": {
       "inputs": {
-        "nixpkgs": "nixpkgs",
+        "nixpkgs": "nixpkgs"
-        "nixpkgs-mozilla": "nixpkgs-mozilla"
       }
     }
   },

flake.nix

@@ -1,9 +1,7 @@
 {
   description = "jujutsu";
 
-  inputs.nixpkgs-mozilla.url = "github:mozilla/nixpkgs-mozilla";
+  outputs = { self, nixpkgs, ... }:
-
-  outputs = { self, nixpkgs, nixpkgs-mozilla, ... }:
     let
       lib = nixpkgs.lib;
       systems = [
@@ -14,7 +12,6 @@
         "x86_64-linux"
       ];
       foreachSystem = f: lib.foldl' (attrs: system: lib.recursiveUpdate attrs (f system)) { } systems;
-      version = (builtins.fromTOML (builtins.readFile ./Cargo.toml)).package.version;
     in
     {
       overlay = (final: prev: {
@@ -34,19 +31,18 @@
             , Security
             , SystemConfiguration
             , libiconv
-            , rust
             }:
 
             rustPlatform.buildRustPackage rec {
               pname = "jujutsu";
-              inherit version;
+              version = "unstable-${self.shortRev or "dirty"}";
 
               src = self;
 
               cargoLock = {
                 lockFile = "${self}/Cargo.lock";
               };
-              nativeBuildInputs = [ rust pkgconfig gzip makeWrapper ];
+              nativeBuildInputs = [ pkgconfig gzip makeWrapper ];
               buildInputs = [ openssl dbus sqlite ]
               ++ lib.optionals stdenv.isDarwin [
                 Security
@@ -57,7 +53,6 @@
 
           )
           {
-            rust = (final.lib.rustLib.fromManifestFile ./toolchain-manifest.toml { inherit (final) stdenv lib fetchurl patchelf; }).rust;
             inherit (final.darwin.apple_sdk.frameworks) Security SystemConfiguration;
           };
       });
@@ -66,49 +61,10 @@
       let
         pkgs = import nixpkgs {
           inherit system;
-          overlays = [ nixpkgs-mozilla.overlays.rust self.overlay ];
+          overlays = [ self.overlay ];
         };
-
-        # Script to update the toolchain-manifest.toml file which is used in the nix build.
-        #
-        # nixpkgs doesn't package rust nightly, so the Mozilla nixpkgs Rust overlay is used,
-        # which can download the rust toolchain if given a manifest file (a sha256 hash can also be used
-        # in which case the overlay downloads the manifest file with fetchurl).
-        # The nice thing about this manifest file is that the nix builds are fully hermetic.
-        # The downside is that now both nixpkgs needs to be updated (with nix flake update)
-        # and the toolchain manifest.
-        #
-        # To update the toolchain to the latest nightly, run 
-        # $ nix develop
-        # $ updateToolchainManifest
-        # The script also accepts arguments for a different rust channel (first argument)
-        # or a specific nightly date (e.g. updateToolchainManifest nightly 2022-02-19)
-        updateToolchainManifest = pkgs.writeScriptBin "updateToolchainManifest" ''
-          #! /usr/bin/env bash
-
-          set -ex
-          
-          if [[ -z $1 ]]; then
-            channel='"nightly"'
-          else
-            channel="\"$1\""
-          fi
-
-          if [[ -z $2 ]]; then
-            date='null'
-          else
-            date="\"$2\""
-          fi
-
-          url=$(nix eval --raw --impure --expr "let flake = (builtins.getFlake (builtins.toString ./.)); in (import flake.inputs.nixpkgs { overlays = [ flake.inputs.nixpkgs-mozilla.overlays.rust ]; }).lib.rustLib.manifest_v2_url { channel = $channel; date = $date; }")
-          curl $url > ./toolchain-manifest.toml
-        '';
       in
       {
-        devShell.${system} = pkgs.mkShell {
-          inputsFrom = [ pkgs.jujutsu ];
-          packages = [ updateToolchainManifest ];
-        };
         packages.${system}.jujutsu = pkgs.jujutsu;
         defaultPackage.${system} = self.packages.${system}.jujutsu;
         defaultApp.${system} = {