feat(rust-esp32-c6): make the rust-esp32-c6 template

.gitea/workflows/flake-update.yaml

@@ -1,8 +1,5 @@
 name: "Flake.lock: update Nix dependencies for development environment only"
 
-permissions:
-  contents: write
-
 on:
   workflow_dispatch: # allows manual triggering
   schedule:

.rumdl.toml

@@ -1,8 +0,0 @@
-[global]
-disable = [
-  # line length limits
-  "MD013",
-]
-
-[MD057]
-absolute-links = "relative_to_roots"

cad/default.nix

@@ -155,8 +155,8 @@
           };
 
           # Formatter for nix files, available through 'nix fmt'
-          treefmt.programs = lib.mkIf cfg.formatter.enable {
-            alejandra.enable = lib.mkIf cfg.formatter.nix true;
+          treefmt = lib.mkIf cfg.formatter.enable {
+            programs.alejandra.enable = lib.mkIf cfg.formatter.nix true;
           };
         };
       });

flake.lock

@@ -95,11 +95,11 @@
     },
     "crane": {
       "locked": {
-        "lastModified": 1790899423,
-        "narHash": "sha256-THGtz65UGJU+sonZidRboyCMk+9DclpMF7pwL4uDV4M=",
+        "lastModified": 1777335812,
+        "narHash": "sha256-bEg5xoAxAwsyfnGhkEX7RJViTIBIYPd8ISg4O1c0HFc=",
         "owner": "ipetkov",
         "repo": "crane",
-        "rev": "47b6b27ed9a3a9181415e4367d0c30ab2a0e0250",
+        "rev": "5e0fb2f64edff2822249f21293b8304dedaaf676",
         "type": "github"
       },
       "original": {
@@ -113,11 +113,11 @@
         "nixpkgs-lib": "nixpkgs-lib"
       },
       "locked": {
-        "lastModified": 1790898470,
-        "narHash": "sha256-zTwuwezD0w3hpga6a6P8emidzAZFyWqlNeRBlpWOOl8=",
+        "lastModified": 1775087534,
+        "narHash": "sha256-91qqW8lhL7TLwgQWijoGBbiD4t7/q75KTi8NxjVmSmA=",
         "owner": "hercules-ci",
         "repo": "flake-parts",
-        "rev": "024633cd702b10285db5cb19b40ad48d2399ba60",
+        "rev": "3107b77cd68437b9a76194f0f7f9c55f2329ca5b",
         "type": "github"
       },
       "original": {
@@ -162,11 +162,11 @@
     },
     "nixpkgs-lib": {
       "locked": {
-        "lastModified": 1790477367,
-        "narHash": "sha256-oujbxmVKDhci2E4EM3KyAbRUgp5/IsCoiA/LfEF7OOk=",
+        "lastModified": 1774748309,
+        "narHash": "sha256-+U7gF3qxzwD5TZuANzZPeJTZRHS29OFQgkQ2kiTJBIQ=",
         "owner": "nix-community",
         "repo": "nixpkgs.lib",
-        "rev": "f7cd230690d9fc982d06129f9189b101fddcfa3b",
+        "rev": "333c4e0545a6da976206c74db8773a1645b5870a",
         "type": "github"
       },
       "original": {
@@ -177,11 +177,11 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1791260994,
-        "narHash": "sha256-Miqqk/ammqnTUxaoCyvtwoPeLbI1ksFyLxi/CazZpWY=",
+        "lastModified": 1777268161,
+        "narHash": "sha256-bxrdOn8SCOv8tN4JbTF/TXq7kjo9ag4M+C8yzzIRYbE=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "151fa4e8ddfdd8dd25d945ad94ed54a13de9f6e4",
+        "rev": "1c3fe55ad329cbcb28471bb30f05c9827f724c76",
         "type": "github"
       },
       "original": {
@@ -273,11 +273,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1791276535,
-        "narHash": "sha256-iwqAmHTX1IgzTumJR3JayNAQAo5xEmmOuGzB6b2pT/Q=",
+        "lastModified": 1780197589,
+        "narHash": "sha256-FVCr2Ij/jKf59a4LW481eeOF6rJRreOBrVgW/aUBTrw=",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "b962e5d0c8cd97196c6a882d659fe451b52ad989",
+        "rev": "21632e942d89bf1cce4e5a63d7e58a215a0cbfcc",
         "type": "github"
       },
       "original": {
@@ -308,11 +308,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1791203292,
-        "narHash": "sha256-vuzVwvjeucSnwKwMBpyP8r5IzdrMKCHEdwTrRFwUN7I=",
+        "lastModified": 1775636079,
+        "narHash": "sha256-pc20NRoMdiar8oPQceQT47UUZMBTiMdUuWrYu2obUP0=",
         "owner": "numtide",
         "repo": "treefmt-nix",
-        "rev": "03d8ee1bcbc8f9638907bb79edb9673151d0e22b",
+        "rev": "790751ff7fd3801feeaf96d7dc416a8d581265ba",
         "type": "github"
       },
       "original": {

flake.nix

@@ -36,7 +36,6 @@
         ./rust
         ./rust-esp32-c6
 
-        inputs.treefmt-nix.flakeModule
         flake-parts.flakeModules.flakeModules
         # define the flake.templates option
         ({lib, ...}: {
@@ -58,13 +57,6 @@
 
       systems = ["aarch64-linux" "x86_64-linux" "aarch64-darwin"];
 
-      perSystem = {pkgs, ...}: {
-        treefmt.programs = {
-          alejandra.enable = true; # nix
-          taplo.enable = true; # toml
-          rumdl-check.enable = true; # markdown
-          rumdl-format.enable = true; # markdown
-        };
-      };
+      perSystem = {pkgs, ...}: {formatter = pkgs.alejandra;};
     };
 }

rust-esp32-c6/default.nix

@@ -37,14 +37,6 @@
           krantz.rust.devDeps = lib.mkOptionDefault (with pkgs; [
             espflash
           ]);
-
-          krantz.rust.cargoArtifacts.extraAttrs = lib.mkOptionDefault {
-            doCheck = false;
-          };
-
-          krantz.rust.package.extraAttrs = lib.mkOptionDefault {
-            doCheck = false;
-          };
         };
       });
     };

rust-esp32-c6/template/.cargo/config.toml

@@ -2,14 +2,13 @@
 runner = "espflash flash --monitor --chip esp32c6 --log-format defmt"
 
 [env]
-DEFMT_LOG = "info"
+DEFMT_LOG="info"
 
 [build]
 rustflags = [
   # Required to obtain backtraces (e.g. when using the "esp-backtrace" crate.)
   # NOTE: May negatively impact performance of produced code
-  "-C",
-  "force-frame-pointers",
+  "-C", "force-frame-pointers",
 ]
 
 target = "riscv32imac-unknown-none-elf"

rust-esp32-c6/template/.rumdl.toml

@@ -1,8 +0,0 @@
-[global]
-disable = [
-  # line length limits
-  "MD013",
-]
-
-[MD057]
-absolute-links = "relative_to_roots"

rust-esp32-c6/template/Cargo.toml

@@ -1,8 +1,8 @@
 [package]
-edition = "2024"
-name = "rust-esp32-c6"
+edition      = "2024"
+name         = "rust-esp32-c6"
 rust-version = "1.88"
-version = "0.1.0"
+version      = "0.1.0"
 
 [[bin]]
 name = "rust-esp32-c6"
@@ -18,7 +18,7 @@ esp-rtos = { version = "0.3.0", features = [
   "esp32c6",
 ] }
 
-defmt = "1.0.1"
+defmt                  = "1.0.1"
 esp-bootloader-esp-idf = { version = "0.5.0", features = ["defmt", "esp32c6"] }
 
 embassy-executor = { version = "0.10.0", features = ["defmt"] }
@@ -32,7 +32,7 @@ esp-backtrace = { version = "0.19.0", features = [
 esp-println = { version = "0.17.0", features = ["defmt-espflash", "esp32c6"] }
 
 critical-section = "1.2.0"
-static_cell = "2.1.1"
+static_cell      = "2.1.1"
 
 
 # For fine tuning these settings, please refer to https://doc.rust-lang.org/cargo/reference/profiles.html
@@ -42,7 +42,7 @@ static_cell = "2.1.1"
 opt-level = "s"
 
 [profile.release]
-codegen-units = 1 # LLVM can perform better optimizations using a single thread
-debug = 2         # prefer slower builds but better debugging experience
-lto = 'fat'
-opt-level = 's'
+codegen-units = 1     # LLVM can perform better optimizations using a single thread
+debug         = 2     # prefer slower builds but better debugging experience
+lto           = 'fat'
+opt-level     = 's'

rust-esp32-c6/template/flake.nix

@@ -7,7 +7,7 @@
     flake-parts.url = "github:hercules-ci/flake-parts";
 
     project-templates = {
-      url = "git+https://git.krantz.one/reed/project-templates";
+      url = "git+file:///home/reed/code/project-templates";
       inputs.nixpkgs.follows = "nixpkgs";
       inputs.flake-parts.follows = "flake-parts";
     };

rust-esp32-c6/template/rust-toolchain.toml

@@ -1,4 +1,4 @@
 [toolchain]
-channel = "stable"
+channel    = "stable"
 components = ["rust-src"]
 targets = ["riscv32imac-unknown-none-elf"]

rust/default.nix

@@ -25,54 +25,27 @@
       }: let
         cfg = config.krantz.rust;
 
-        manifest = (lib.importTOML "${cfg.srcFiltered}/Cargo.toml").package;
+        src = cfg.srcFiltered;
+        manifest = (lib.importTOML "${src}/Cargo.toml").package;
 
         craneLib =
-          if hasToolchain
-          then (inputs.crane.mkLib rustPkgs).overrideToolchain mkRustToolchain
+          if builtins.pathExists cfg.srcToolchain
+          then
+            (inputs.crane.mkLib (pkgs.extend inputs.rust-overlay.overlays.default)).overrideToolchain (
+              p: p.rust-bin.fromRustupToolchainFile cfg.srcToolchain
+            )
           else inputs.crane.mkLib pkgs;
 
-        # Attrs to be included for all crane functions that build our crate
-        cargoBuildAttrs = let
-          # Include the standard library Cargo.lock if we have the "rust-src" component in our toolchain
-          cargoVendorDir =
-            lib.optionalAttrs (
-              hasToolchain
-              && lib.pipe cfg.srcToolchain [
-                builtins.readFile
-                fromTOML
-                (t: t ? toolchain.components && builtins.elem "rust-src" t.toolchain.components)
-              ]
-            ) {
-              cargoVendorDir = craneLib.vendorMultipleCargoDeps {
-                inherit (craneLib.findCargoFiles cfg.srcFiltered) cargoConfigs;
-                cargoLockList = [
-                  "${cfg.srcFiltered}/Cargo.lock"
-                  "${(mkRustToolchain rustPkgs).passthru.availableComponents.rust-src}/lib/rustlib/src/rust/library/Cargo.lock"
-                ];
-              };
-            };
-        in
-          rec {
-            src = cfg.srcFiltered;
+        buildInputs = cfg.runtimeDeps;
 
-            buildInputs = cfg.runtimeDeps;
+        # build dependencies
+        nativeBuildInputs = cfg.buildDeps;
 
-            nativeBuildInputs = cfg.buildDeps;
-
-            # Build *just* the cargo dependencies, so we can reuse
-            # all of that work (e.g. via cachix) when running in CI
-            cargoArtifacts = craneLib.buildDepsOnly ({
-                inherit src buildInputs nativeBuildInputs;
-              }
-              // cargoVendorDir
-              // cfg.cargoArtifacts.extraAttrs);
-          }
-          // cargoVendorDir;
-
-        hasToolchain = cfg.srcToolchain != null && builtins.pathExists cfg.srcToolchain;
-        rustPkgs = pkgs.extend inputs.rust-overlay.overlays.default;
-        mkRustToolchain = p: p.rust-bin.fromRustupToolchainFile cfg.srcToolchain;
+        # Build *just* the cargo dependencies, so we can reuse
+        # all of that work (e.g. via cachix) when running in CI
+        cargoArtifacts = craneLib.buildDepsOnly {
+          inherit src buildInputs nativeBuildInputs;
+        };
       in {
         options.krantz.rust = {
           enable = lib.mkEnableOption "building a cargo project with crane";
@@ -87,26 +60,14 @@
             description = "A path to the filtered directory of the root of the crate.";
             type = lib.types.path;
             default = craneLib.cleanCargoSource cfg.src;
-            defaultText = lib.literalExpression "config.krantz.rust.craneLib.cleanCargoSource cfg.src";
+            defaultText = lib.literalExpression "config.krantz.rust.craneLib cfg.src";
             example = lib.literalExpression "./.";
           };
           srcToolchain = lib.mkOption {
             description = "A path to the rust-toolchain(.toml) file for the repo. Will use the toolchain from nixpkgs if the file does not exist.";
-            type = lib.types.nullOr lib.types.path;
-            default =
-              if cfg.src != null
-              then cfg.src + "/rust-toolchain.toml"
-              else null;
-            defaultText =
-              lib.literalExpression
-              /*
-              nix
-              */
-              ''
-                if cfg.src != null
-                then cfg.src + "/rust-toolchain.toml"
-                else null;
-              '';
+            type = lib.types.path;
+            default = "${if cfg.src != null then cfg.src else "/dev/null"}/rust-toolchain.toml";
+            defaultText = lib.literalExpression "cfg.src + \"/rust-toolchain.toml\"";
             example = lib.literalExpression "./rust-toolchain";
           };
 
@@ -135,17 +96,6 @@
             ];
           };
 
-          cargoArtifacts = {
-            extraAttrs = lib.mkOption {
-              description = "Extra attributes to merge into buildDepsOnly. See https://crane.dev/API.html#cranelibbuilddepsonly";
-              type = lib.types.attrs;
-              default = {};
-              example = {
-                doCheck = false;
-              };
-            };
-          };
-
           devShell = {
             enable = lib.mkEnableOption "a rust development environment" // {default = true;};
 
@@ -193,8 +143,6 @@
 
             nix = lib.mkEnableOption "formatting for nix files" // {default = true;};
             rust = lib.mkEnableOption "formatting for rust files" // {default = true;};
-            toml = lib.mkEnableOption "formatting for toml files" // {default = true;};
-            markdown = lib.mkEnableOption "formatting for toml files" // {default = true;};
           };
 
           checks = {
@@ -216,7 +164,8 @@
           # Available through 'nix develop'
           # Also can be activated automatically if direnv is installed on the system with 'direnv allow'
           devShells = lib.mkIf cfg.devShell.enable {
-            ${cfg.devShell.name} = craneLib.devShell ({
+            ${cfg.devShell.name} =
+              craneLib.devShell {
                 inherit (self') checks;
 
                 # extra tooling dependencies
@@ -224,35 +173,33 @@
 
                 inputsFrom = [self'.packages.${cfg.package.name}];
               }
-              // cfg.devShell.extraAttrs);
+              // cfg.devShell.extraAttrs;
           };
 
           # Your custom packages
           # Accessible through 'nix build', 'nix shell', 'nix run', etc
           packages = lib.mkIf cfg.package.enable {
-            ${cfg.package.name} = craneLib.buildPackage ({
+            ${cfg.package.name} =
+              craneLib.buildPackage {
+                inherit src buildInputs nativeBuildInputs cargoArtifacts;
               }
-              // cargoBuildAttrs
-              // cfg.package.extraAttrs);
+              // cfg.package.extraAttrs;
           };
 
           # Formatter for nix files, available through 'nix fmt'
-          treefmt.programs = lib.mkIf cfg.formatter.enable {
-            alejandra.enable = lib.mkIf cfg.formatter.nix true;
-            rustfmt = lib.mkIf cfg.formatter.rust {
+          treefmt = lib.mkIf cfg.formatter.enable {
+            programs.alejandra.enable = lib.mkIf cfg.formatter.nix true;
+            programs.rustfmt = lib.mkIf cfg.formatter.rust {
               enable = true;
               edition = manifest.edition;
             };
-            taplo.enable = lib.mkIf cfg.formatter.toml true;
-            rumdl-check.enable = lib.mkIf cfg.formatter.markdown true;
-            rumdl-format.enable = lib.mkIf cfg.formatter.markdown true;
           };
 
           checks = lib.mkIf cfg.checks.enable {
-            clippy = lib.mkIf cfg.checks.linter (craneLib.cargoClippy ({
-                cargoClippyExtraArgs = "-- --deny warnings";
-              }
-              // cargoBuildAttrs));
+            clippy = lib.mkIf cfg.checks.linter (craneLib.cargoClippy {
+              inherit src buildInputs nativeBuildInputs cargoArtifacts;
+              cargoClippyExtraArgs = "-- --deny warnings";
+            });
           };
         };
       });

rust/template/.rumdl.toml

@@ -1,8 +0,0 @@
-[global]
-disable = [
-  # line length limits
-  "MD013",
-]
-
-[MD057]
-absolute-links = "relative_to_roots"

rust/template/Cargo.toml

@@ -15,3 +15,4 @@ tracing-subscriber = "*"
 
 clap = { version = "*", features = ["derive"] }
 figment = { version = "*", features = ["toml", "env", "json"] }
+