chore(nix): format nix files with alejandra, update deps, minor code refactors (#2683)

1 files changed, 66 insertions, 33 deletions

diff --git a/flake.nix b/flake.nix
index 495e441a..1949580d 100644
--- a/flake.nix
+++ b/flake.nix
@@ -14,10 +14,14 @@
     };
   };
 
-  outputs = inputs@{ nixCargoIntegration, ... }:
+  outputs = inputs @ {
+    nixpkgs,
+    nixCargoIntegration,
+    ...
+  }:
     nixCargoIntegration.lib.makeOutputs {
       root = ./.;
-      renameOutputs = { "helix-term" = "helix"; };
+      renameOutputs = {"helix-term" = "helix";};
       # Set default app to hx (binary is from helix-term release build)
       # Set default package to helix-term release build
       defaultOutputs = {
@@ -25,41 +29,70 @@
         package = "helix";
       };
       overrides = {
-        cCompiler = common: if common.pkgs.stdenv.isLinux then common.pkgs.gcc else common.pkgs.clang;
+        cCompiler = common:
+          with common.pkgs;
+            if stdenv.isLinux
+            then gcc
+            else clang;
         crateOverrides = common: _: {
-          helix-term = prev:
-            let
-              inherit (common) pkgs;
-              grammars = pkgs.callPackage ./grammars.nix { };
-              runtimeDir = pkgs.runCommand "helix-runtime" { } ''
-                mkdir -p $out
-                ln -s ${common.root}/runtime/* $out
-                rm -r $out/grammars
-                ln -s ${grammars} $out/grammars
-              '';
-            in
-            {
-              # disable fetching and building of tree-sitter grammars in the helix-term build.rs
-              HELIX_DISABLE_AUTO_GRAMMAR_BUILD = "1";
-              # link languages and theme toml files since helix-term expects them (for tests)
-              preConfigure = "ln -s ${common.root}/{languages.toml,theme.toml,base16_theme.toml} ..";
-              buildInputs = (prev.buildInputs or [ ]) ++ [ common.cCompiler.cc.lib ];
-              nativeBuildInputs = [ pkgs.makeWrapper ];
+          helix-term = prev: let
+            inherit (common) pkgs;
+            mkRootPath = rel:
+              builtins.path {
+                path = "${common.root}/${rel}";
+                name = rel;
+              };
+            grammars = pkgs.callPackage ./grammars.nix {};
+            runtimeDir = pkgs.runCommandNoCC "helix-runtime" {} ''
+              mkdir -p $out
+              ln -s ${mkRootPath "runtime"}/* $out
+              rm -r $out/grammars
+              ln -s ${grammars} $out/grammars
+            '';
+          in {
+            # disable fetching and building of tree-sitter grammars in the helix-term build.rs
+            HELIX_DISABLE_AUTO_GRAMMAR_BUILD = "1";
+            # link languages and theme toml files since helix-term expects them (for tests)
+            preConfigure =
+              pkgs.lib.concatMapStringsSep
+              "\n"
+              (path: "ln -sf ${mkRootPath path} ..")
+              ["languages.toml" "theme.toml" "base16_theme.toml"];
+            buildInputs = (prev.buildInputs or []) ++ [common.cCompiler.cc.lib];
+            nativeBuildInputs = [pkgs.makeWrapper];
 
-              postFixup = ''
-                if [ -f "$out/bin/hx" ]; then
-                  wrapProgram "$out/bin/hx" --set HELIX_RUNTIME "${runtimeDir}"
-                fi
-              '';
-            };
+            postFixup = ''
+              if [ -f "$out/bin/hx" ]; then
+                wrapProgram "$out/bin/hx" --set HELIX_RUNTIME "${runtimeDir}"
+              fi
+            '';
+          };
         };
         shell = common: prev: {
-          packages = prev.packages ++ (with common.pkgs; [ lld_13 lldb cargo-tarpaulin cargo-flamegraph ]);
-          env = prev.env ++ [
-            { name = "HELIX_RUNTIME"; eval = "$PWD/runtime"; }
-            { name = "RUST_BACKTRACE"; value = "1"; }
-            { name = "RUSTFLAGS"; value = if common.pkgs.stdenv.isLinux then "-C link-arg=-fuse-ld=lld -C target-cpu=native -Clink-arg=-Wl,--no-rosegment" else ""; }
-          ];
+          packages =
+            prev.packages
+            ++ (
+              with common.pkgs; [lld_13 lldb cargo-tarpaulin cargo-flamegraph]
+            );
+          env =
+            prev.env
+            ++ [
+              {
+                name = "HELIX_RUNTIME";
+                eval = "$PWD/runtime";
+              }
+              {
+                name = "RUST_BACKTRACE";
+                value = "1";
+              }
+              {
+                name = "RUSTFLAGS";
+                value =
+                  if common.pkgs.stdenv.isLinux
+                  then "-C link-arg=-fuse-ld=lld -C target-cpu=native -Clink-arg=-Wl,--no-rosegment"
+                  else "";
+              }
+            ];
         };
       };
     };