chore: treefmt support

Author: dpc

.config/flakebox/id

@@ -1 +1 @@
-73cf0906ef0f6cf3d29caed7d58a7f826172d3ee593ad3510289eee2937ecd4d71074d62b0c327a7e026fd61d96d09c0b43fc40d7934b2a61fc85dbee554c210
+50a671ba231a9589bee8dda3a8604e8e7304d1da0373a008a653f8000d06ba0f203accf8c0c123223a70b6b032037e4c79240f61dd0fb5046b0fe55aba5b4778

.treefmt.toml

@@ -0,0 +1,8 @@
+[formatter.nix]
+command = "nixfmt"
+includes = ["*.nix"]
+
+[formatter.rust]
+command = "rustfmt"
+options = ["--edition", "2024"]
+includes = ["*.rs"]

flakebox-bin/src/main.rs

@@ -1,6 +1,6 @@
 mod opts;
 
-use std::fs::{set_permissions, Permissions};
+use std::fs::{Permissions, set_permissions};
 use std::io;
 use std::os::unix::fs::PermissionsExt;
 use std::path::{Path, PathBuf};

lib/mkDevShell.nix

@@ -83,6 +83,7 @@ let
           coreutils
           parallel
           shellcheck
+          treefmt
           ;
         # Nix
         inherit (pkgs) nixfmt-rfc-style nil;

lib/mkLintShell.nix

@@ -64,6 +64,7 @@ let
           coreutils
           parallel
           shellcheck
+          treefmt
           ;
         # Nix
         inherit (pkgs) nixfmt-rfc-style;

lib/modules/nix.nix

@@ -0,0 +1,21 @@
+{ lib, config, ... }:
+let
+  inherit (lib) types;
+in
+{
+  options.treefmt = {
+    enable = lib.mkEnableOption "clippy check in pre-commit hook" // {
+      default = true;
+    };
+  };
+
+  config = lib.mkMerge [
+    (lib.mkIf config.treefmt.enable {
+      git.pre-commit.hooks = {
+        treefmt = ''
+          treefmt -q --fail-on-change
+        '';
+      };
+    })
+  ];
+}

lib/modules/treefmt.nix

@@ -60,16 +60,6 @@ function check_cargo_lock() {
 }
 export -f check_cargo_lock
 
-# NOTE: THIS FILE IS AUTO-GENERATED BY FLAKEBOX
-function check_nixfmt() {
-    set -euo pipefail
-
-    # we actually rely on word splitting here
-    # shellcheck disable=SC2046
-    nixfmt -c $(echo "$FLAKEBOX_GIT_LS_TEXT" | grep "\.nix$")
-}
-export -f check_nixfmt
-
 # NOTE: THIS FILE IS AUTO-GENERATED BY FLAKEBOX
 function check_semgrep() {
     set -euo pipefail
@@ -148,6 +138,14 @@ function check_trailing_whitespace() {
 }
 export -f check_trailing_whitespace
 
+# NOTE: THIS FILE IS AUTO-GENERATED BY FLAKEBOX
+function check_treefmt() {
+    set -euo pipefail
+
+    treefmt -q --fail-on-change
+}
+export -f check_treefmt
+
 # NOTE: THIS FILE IS AUTO-GENERATED BY FLAKEBOX
 function check_typos() {
     set -euo pipefail
@@ -164,11 +162,11 @@ parallel \
 ::: \
     check_cargo_fmt \
     check_cargo_lock \
-    check_nixfmt \
     check_semgrep \
     check_shellcheck \
     check_trailing_newline \
     check_trailing_whitespace \
+    check_treefmt \
     check_typos \
   check_nothing
 #