Initial Checkin for Housekeeping

2026-07-10 07:22:34 -05:00
parent f1a17c3ada
commit d45322b6d1
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+# EditorConfig for Rust template
+root = false
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+indent_style = space
+indent_size = 2
+trim_trailing_whitespace = true
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+# Direnv configuration for Nix flakes
+use flake
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+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v4.4.0
+    hooks:
+      - id: trailing-whitespace
+      - id: end-of-file-fixer
+      - id: check-yaml
+      - id: check-added-large-files
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+# Contributing
+
+Thank you for considering contributing!
+
+- Please follow the project coding style and directory structure.
+- Submit issues or pull requests for bugs, features, or improvements.
+- Add tests for new features where possible.
+- Ensure your code builds and passes tests before submitting.
+- Contributions are licensed under CC BY-SA 4.0.
@@ -0,0 +1,17 @@
+Creative Commons Attribution-ShareAlike 4.0 International
+
+<https://creativecommons.org/licenses/by-sa/4.0/>
+
+You are free to:
+
+- Share — copy and redistribute the material in any medium or format
+- Adapt — remix, transform, and build upon the material for any purpose, even commercially.
+
+Under the following terms:
+
+- Attribution — You must give appropriate credit, provide a link to the license, and indicate if changes were made.
+- ShareAlike — If you remix, transform, or build upon the material, you must distribute your contributions under the same license as the original.
+
+No additional restrictions — You may not apply legal terms or technological measures that legally restrict others from doing anything the license permits.
+
+See the full license at the link above.
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+build:
+	cargo build
+
+run:
+	cargo run
+
+test:
+	cargo test
+
+clean:
+	cargo clean
+
+.PHONY: build run test clean
+
+
+# Flatpak build target
+.PHONY: flatpak-build
+flatpak-build:
+	flatpak-builder --force-clean build-flatpak flatpak/app.flatpak.json
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+# Rust Nix Flake Template
+
+This template provides a reproducible Rust development environment using Nix flakes and the fenix toolchain.
+
+## Quick Start
+
+```sh
+nix develop
+# or with direnv:
+direnv allow
+```
+
+### Automatic Environment Setup
+
+When you enter the devShell (via `direnv allow` or `nix develop`), the following happens automatically:
+
+✓ **Git Repository**: Initializes `.git` if not present
+✓ **Rust Targets**: Automatically adds common embedded Rust targets (ARM Cortex-M, RISC-V)
+✓ **Cargo Paths**: Sets up `$HOME/.cargo/bin` in PATH for cargo-installed binaries
+✓ **Welcome Banner**: Displays available tools and quick commands
+
+No manual setup needed! Just start coding.
+
+## Quickstart
+
+```sh
+nix flake init -t path:../flakes#rust
+nix develop
+cargo build
+```
+
+## Embedded Rust Support
+
+The devShell automatically installs common embedded Rust targets via `rustup`:
+
+| Target | Platform | Use Case |
+|--------|----------|----------|
+| `thumbv6m-none-eabi` | ARM Cortex-M0/M0+ | RP2040 (Pico) |
+| `thumbv7em-none-eabihf` | ARM Cortex-M4F/M7F | STM32, nRF52840 |
+| `riscv32imc-unknown-none-elf` | RISC-V 32-bit | ESP32-C3 (basic) |
+| `riscv32imac-unknown-none-elf` | RISC-V 32-bit (atomic) | ESP32-C3 (advanced) |
+
+**Note:** ESP32 Xtensa targets require espup or custom toolchains (see [esp-rs](https://github.com/esp-rs)).
+
+## Flatpak Packaging
+
+This template supports building Flatpak packages for your Rust application.
+
+### Build Flatpak Package
+
+1. Ensure you have `flatpak-builder` installed.
+2. Run:
+
+  ```bash
+  make flatpak-build
+  ```
+
+This will use the manifest at `flatpak/app.flatpak.json` to build a Flatpak bundle in the `build-flatpak/` directory.
+
+### Customize Manifest
+
+Edit `flatpak/app.flatpak.json` to update app ID, runtime, build commands, or sources as needed for your project.
+
+### Install/Run Flatpak Locally
+
+You can install and run the built Flatpak locally:
+
+```bash
+flatpak install --user build-flatpak/org.example.rustdevshell.flatpak
+flatpak run org.example.rustdevshell
+```
+
+## Included Tools
+
+| Tool | Purpose |
+|------|---------|
+| **cargo** | Rust package manager and build system |
+| **rustc** | Rust compiler |
+| **clippy** | Rust linter for catching common mistakes |
+| **rustfmt** | Rust code formatter |
+| **rust-analyzer** | Language server for IDE integration |
+| **rust-src** | Rust source code (for tools like rust-analyzer) |
+| **probe-rs** | Embedded debugger/flasher for ARM targets |
+| **espflash** | Flashing tool for ESP32 boards |
+| **openocd** | JTAG/SWD debugger for ARM and other targets |
+| **minicom** | Serial terminal for device output |
+| **elf2uf2-rs** | Convert ELF to UF2 format (RP2040) |
+| **picotool** | Pico-specific firmware operations |
+| **avrdude** | AVR microcontroller programmer |
+| **ravedude** | Rapid AVR development utility |
+
+## Testing & Development Features
+
+Build and testing tools:
+
+- **cargo test** - Run unit and integration tests
+- **cargo clippy** - Lint code for common issues
+- **cargo fmt** - Format code consistently with rustfmt
+
+**Example usage:**
+
+```bash
+# Run tests
+cargo test
+
+# Check code with clippy
+cargo clippy
+
+# Format code
+cargo fmt
+
+# Build for embedded target
+cargo build --target thumbv7em-none-eabihf --release
+```
+
+## Project Layout
+
+```
+Cargo.toml
+Cargo.lock
+src/
+  └── main.rs (or lib.rs)
+Makefile
+.envrc
+flake.nix
+```
+
+## Legacy Usage
+
+If you do not use flakes, run:
+
+```sh
+nix-shell
+```
+
+## Project Metadata
+
+See project.toml for example metadata.
+
+## Helper Tools
+
+- **`nix run .#dev-helper`** - Display tool versions and availability
+- **`cargo build`** - Build the project
+- **`cargo check`** - Quick syntax check without building
+- **`cargo doc --open`** - Generate and view documentation
+
+## Packaging for nixpkgs
+
+This template is structured for easy packaging in nixpkgs:
+
+- All sources in `src/`
+- `flake.nix` provides a devShell and template
+- Add a `default.nix` or package expression as needed for nixpkgs
+
+See [nixpkgs Rust packaging docs](https://nixos.org/manual/nixpkgs/stable/#rust) for more details.
+
+## Customization
+
+Edit `flake.nix` to:
+
+- Add additional Rust targets via `rustup target add [target]`
+- Include additional cargo plugins
+- Add board-specific tools (e.g., stm32cube, nrfjprog)
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+# Coding Agent Instructions
+
+This project is intended for educational purposes. To support this, please adhere to the following guidelines:
+
+## Allowed Actions
+- **Environment Maintenance:** Feel free to update Nix flakes, shell configurations, or other environment-related setup.
+- **Project Housekeeping:** Maintain a standard project layout, keep `README.md` up-to-date, and clean up temporary or build-related files.
+- **Documentation:** Add comments, manage project documentation, and add links to relevant external resources.
+
+## Restricted Actions
+- **Source Code Editing:** You are NOT allowed to edit the executable source code (`src/` directory) except to improve documentation..
+- **Code Generation:** Do not provide example code unless explicitly asked by the user.
+
+## Communication Guidelines
+- **Educational Focus:** When asked about code, prioritize explaining the concepts and providing advice over writing code.
+- **Documentation Links:** Always include links to official language or library documentation for references.
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+{ pkgs }:
+let
+  lib = pkgs.lib;
+  templateName = builtins.baseNameOf (toString ./.);
+in
+{
+  ${templateName} = pkgs.stdenvNoCC.mkDerivation {
+    pname = templateName;
+    version = "0.1.0";
+    src = ./.;
+    dontBuild = true;
+    installPhase = ''
+      mkdir -p $out/share/${templateName}
+      if [ -d src ]; then
+        cp -r src $out/share/${templateName}/
+      fi
+      for f in README.md project.toml flake.nix default.nix shell.nix Makefile .editorconfig .gitignore; do
+        if [ -f "$f" ]; then
+          cp "$f" $out/share/${templateName}/
+        fi
+      done
+    '';
+    meta = with lib; {
+      description = "Template project: ${templateName}";
+      license = licenses.unfreeRedistributable;
+      platforms = platforms.all;
+    };
+  };
+}
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+{
+  "nodes": {
+    "fenix": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "rust-analyzer-src": "rust-analyzer-src"
+      },
+      "locked": {
+        "lastModified": 1783676673,
+        "narHash": "sha256-A4Sy9xQrO5wTaPue9JISqSuJbFU/NECHLFQm70C1ehM=",
+        "owner": "nix-community",
+        "repo": "fenix",
+        "rev": "9239e256596333bf1eb49068e8544786c3a853c8",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "fenix",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1783522502,
+        "narHash": "sha256-iffAls3iaNTyJC2faYcUXSI+Gp02cDjYl+MygxKl2GI=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "0bb7ec54c8483066ec9d7720e780a5caa71f8612",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "fenix": "fenix",
+        "nixpkgs": "nixpkgs"
+      }
+    },
+    "rust-analyzer-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1783531694,
+        "narHash": "sha256-qnAn5Z/BhCj71mU/yWhRhapukrPYmIqu+kAsARdAHmg=",
+        "owner": "rust-lang",
+        "repo": "rust-analyzer",
+        "rev": "e7e17b692a073ca9820d1822626646b9cc045153",
+        "type": "github"
+      },
+      "original": {
+        "owner": "rust-lang",
+        "ref": "nightly",
+        "repo": "rust-analyzer",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
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+{
+    "app-id": "org.example.rustdevshell",
+    "runtime": "org.freedesktop.Platform",
+    "runtime-version": "23.08",
+    "sdk": "org.freedesktop.Sdk",
+    "command": "rustdevshell-app",
+    "modules": [
+        {
+            "name": "rustdevshell-app",
+            "buildsystem": "simple",
+            "build-commands": [
+                "cargo build --release"
+            ],
+            "sources": [
+                {
+                    "type": "dir",
+                    "path": ".."
+                }
+            ]
+        }
+    ]
+}
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+[project]
+name = "rust-template"
+description = "A reusable Nix flake template for Rust development."
+version = "0.1.0"
+authors = ["gooba42 <your@email>"]
+license = "MIT"
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+{
+  pkgs ? import <nixpkgs> { },
+}:
+pkgs.mkShell {
+  buildInputs = [
+    pkgs.rustc
+    pkgs.cargo
+    pkgs.rustfmt
+    pkgs.clippy
+    pkgs.rust-analyzer
+  ];
+  shellHook = ''
+    echo "[shell.nix] Legacy shell for Rust dev. Use 'nix develop' for full flake support."
+  '';
+}
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+fn main() {
+    println!("Hello, world!");
+}
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+#[test]
+fn test_sample() {
+    assert_eq!(1, 1);
+}