Make gen-dev-cargo-toml a separate package

so that `cargo install` only installs `rustlings`

Cargo.lock

@@ -330,6 +330,15 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "gen-dev-cargo-toml"
+version = "0.0.0"
+dependencies = [
+ "anyhow",
+ "serde",
+ "toml_edit",
+]
+
 [[package]]
 name = "glob"
 version = "0.3.1"

Cargo.toml

@@ -6,6 +6,9 @@ exclude = [
   "tests/fixture/success",
   "dev",
 ]
+members = [
+  "gen-dev-cargo-toml",
+]
 
 [workspace.package]
 version = "6.0.0"
@@ -16,6 +19,11 @@ authors = [
 license = "MIT"
 edition = "2021"
 
+[workspace.dependencies]
+anyhow = "1.0.81"
+serde = { version = "1.0.197", features = ["derive"] }
+toml_edit = { version = "0.22.9", default-features = false, features = ["parse", "serde"] }
+
 [package]
 name = "rustlings"
 description = "Small exercises to get you used to reading and writing Rust code!"
@@ -26,7 +34,7 @@ license.workspace = true
 edition.workspace = true
 
 [dependencies]
-anyhow = "1.0.81"
+anyhow.workspace = true
 clap = { version = "4.5.4", features = ["derive"] }
 console = "0.15.8"
 crossterm = "0.27.0"
@@ -34,8 +42,8 @@ notify-debouncer-mini = "0.4.1"
 ratatui = "0.26.1"
 rustlings-macros = { path = "rustlings-macros" }
 serde_json = "1.0.115"
-serde = { version = "1.0.197", features = ["derive"] }
-toml_edit = { version = "0.22.9", default-features = false, features = ["parse", "serde"] }
+serde.workspace = true
+toml_edit.workspace = true
 which = "6.0.1"
 winnow = "0.6.5"
 

dev/Cargo.toml

@@ -1,5 +1,5 @@
-# This file is a hack to allow using `cargo r` to test `rustlings` during development.
-# You shouldn't edit it manually. It is created and updated by running `cargo run --bin gen-dev-cargo-toml`.
+# This file is a hack to allow using `cargo run` to test `rustlings` during development.
+# You shouldn't edit it manually. It is created and updated by running `cargo run -p gen-dev-cargo-toml`.
 
 bin = [
   { name = "intro1", path = "../exercises/00_intro/intro1.rs" },

gen-dev-cargo-toml/Cargo.toml

@@ -0,0 +1,10 @@
+[package]
+name = "gen-dev-cargo-toml"
+publish = false
+license.workspace = true
+edition.workspace = true
+
+[dependencies]
+anyhow.workspace = true
+serde.workspace = true
+toml_edit.workspace = true

gen-dev-cargo-toml/src/main.rs

@@ -1,5 +1,5 @@
 // Generates `dev/Cargo.toml` such that it is synced with `info.toml`.
-// `dev/Cargo.toml` is a hack to allow using `cargo r` to test `rustlings`
+// `dev/Cargo.toml` is a hack to allow using `cargo run` to test `rustlings`
 // during development.
 
 use anyhow::{bail, Context, Result};
@@ -30,8 +30,8 @@ fn main() -> Result<()> {
     let mut buf = Vec::with_capacity(1 << 14);
 
     buf.extend_from_slice(
-        b"# This file is a hack to allow using `cargo r` to test `rustlings` during development.
-# You shouldn't edit it manually. It is created and updated by running `cargo run --bin gen-dev-cargo-toml`.
+        b"# This file is a hack to allow using `cargo run` to test `rustlings` during development.
+# You shouldn't edit it manually. It is created and updated by running `cargo run -p gen-dev-cargo-toml`.
 
 bin = [\n",
     );

tests/dev_cargo_bins.rs

@@ -1,5 +1,5 @@
 // Makes sure that `dev/Cargo.toml` is synced with `info.toml`.
-// When this test fails, you just need to run `cargo run --bin gen-dev-cargo-toml`.
+// When this test fails, you just need to run `cargo run -p gen-dev-cargo-toml`.
 
 use serde::Deserialize;
 use std::fs;