Rename schedule v3 to schedule (#7519)

# Objective

- Follow up of #7267

## Solution

- Rename schedule_v3 to schedule
- Suppress "module inception" lint

benches/benches/bevy_ecs/components/archetype_updates.rs

@@ -1,4 +1,4 @@
-use bevy_ecs::{component::Component, schedule_v3::Schedule, world::World};
+use bevy_ecs::{component::Component, schedule::Schedule, world::World};
 use criterion::{BenchmarkId, Criterion};
 
 #[derive(Component)]

benches/benches/bevy_ecs/scheduling/running_systems.rs

@@ -1,4 +1,4 @@
-use bevy_ecs::{component::Component, schedule_v3::Schedule, system::Query, world::World};
+use bevy_ecs::{component::Component, schedule::Schedule, system::Query, world::World};
 use criterion::Criterion;
 
 #[derive(Component)]

crates/bevy_app/src/app.rs

@@ -2,7 +2,7 @@ use crate::{CoreSchedule, CoreSet, Plugin, PluginGroup, StartupSet};
 pub use bevy_derive::AppLabel;
 use bevy_ecs::{
     prelude::*,
-    schedule_v3::{
+    schedule::{
         apply_state_transition, common_conditions::run_once as run_once_condition,
         run_enter_schedule, BoxedScheduleLabel, IntoSystemConfig, IntoSystemSetConfigs,
         ScheduleLabel,
@@ -100,7 +100,7 @@ impl Debug for App {
 /// ```rust
 /// # use bevy_app::{App, AppLabel, SubApp, CoreSchedule};
 /// # use bevy_ecs::prelude::*;
-/// # use bevy_ecs::schedule_v3::ScheduleLabel;
+/// # use bevy_ecs::schedule::ScheduleLabel;
 ///
 /// #[derive(Resource, Default)]
 /// struct Val(pub i32);
@@ -315,7 +315,7 @@ impl App {
     /// These systems sets only run if the [`State<S>`] resource matches their label.
     ///
     /// If you would like to control how other systems run based on the current state,
-    /// you can emulate this behavior using the [`state_equals`] [`Condition`](bevy_ecs::schedule_v3::Condition).
+    /// you can emulate this behavior using the [`state_equals`] [`Condition`](bevy_ecs::schedule::Condition).
     ///
     /// Note that you can also apply state transitions at other points in the schedule
     /// by adding the [`apply_state_transition`] system manually.
@@ -526,7 +526,7 @@ impl App {
     ///
     /// ```
     /// use bevy_app::App;
-    /// use bevy_ecs::schedule_v3::Schedules;
+    /// use bevy_ecs::schedule::Schedules;
     ///
     /// let app = App::empty()
     ///     .init_resource::<Schedules>()
@@ -549,7 +549,7 @@ impl App {
         }
 
         self.edit_schedule(CoreSchedule::Outer, |schedule| {
-            schedule.set_executor_kind(bevy_ecs::schedule_v3::ExecutorKind::SingleThreaded);
+            schedule.set_executor_kind(bevy_ecs::schedule::ExecutorKind::SingleThreaded);
             schedule.add_system(run_main_schedule);
         });
 

crates/bevy_app/src/lib.rs

@@ -28,7 +28,7 @@ pub mod prelude {
 }
 
 use bevy_ecs::{
-    schedule_v3::{
+    schedule::{
         apply_system_buffers, IntoSystemConfig, IntoSystemSetConfig, IntoSystemSetConfigs,
         Schedule, ScheduleLabel, SystemSet,
     },
@@ -38,7 +38,7 @@ use bevy_ecs::{
 
 /// The names of the default [`App`] schedules.
 ///
-/// The corresponding [`Schedule`](bevy_ecs::schedule_v3::Schedule) objects are added by [`App::add_default_schedules`].
+/// The corresponding [`Schedule`](bevy_ecs::schedule::Schedule) objects are added by [`App::add_default_schedules`].
 #[derive(ScheduleLabel, Clone, Debug, PartialEq, Eq, Hash)]
 pub enum CoreSchedule {
     /// The schedule that runs once when the app starts.
@@ -74,7 +74,7 @@ impl CoreSchedule {
     /// Initializes a single threaded schedule for [`CoreSchedule::Outer`] that contains the [`outer_loop`](CoreSchedule::outer_loop) system.
     pub fn outer_schedule() -> Schedule {
         let mut schedule = Schedule::new();
-        schedule.set_executor_kind(bevy_ecs::schedule_v3::ExecutorKind::SingleThreaded);
+        schedule.set_executor_kind(bevy_ecs::schedule::ExecutorKind::SingleThreaded);
         schedule.add_system(Self::outer_loop);
         schedule
     }
@@ -84,7 +84,7 @@ impl CoreSchedule {
 ///
 /// These are ordered in the same order they are listed.
 ///
-/// The corresponding [`SystemSets`](bevy_ecs::schedule_v3::SystemSet) are added by [`App::add_default_schedules`].
+/// The corresponding [`SystemSets`](bevy_ecs::schedule::SystemSet) are added by [`App::add_default_schedules`].
 ///
 /// The `*Flush` sets are assigned to the copy of [`apply_system_buffers`]
 /// that runs immediately after the matching system set.
@@ -100,7 +100,7 @@ pub enum CoreSet {
     PreUpdate,
     /// The copy of [`apply_system_buffers`] that runs immediately after `PreUpdate`.
     PreUpdateFlush,
-    /// Applies [`State`](bevy_ecs::schedule_v3::State) transitions
+    /// Applies [`State`](bevy_ecs::schedule::State) transitions
     StateTransitions,
     /// Runs systems that should only occur after a fixed period of time.
     ///
@@ -160,7 +160,7 @@ impl CoreSet {
 
 /// The names of the default [`App`] startup sets, which live in [`CoreSchedule::Startup`].
 ///
-/// The corresponding [`SystemSets`](bevy_ecs::schedule_v3::SystemSet) are added by [`App::add_default_schedules`].
+/// The corresponding [`SystemSets`](bevy_ecs::schedule::SystemSet) are added by [`App::add_default_schedules`].
 ///
 /// The `*Flush` sets are assigned to the copy of [`apply_system_buffers`]
 /// that runs immediately after the matching system set.

crates/bevy_app/src/schedule_runner.rs

@@ -11,14 +11,14 @@ use std::{cell::RefCell, rc::Rc};
 #[cfg(target_arch = "wasm32")]
 use wasm_bindgen::{prelude::*, JsCast};
 
-/// Determines the method used to run an [`App`]'s [`Schedule`](bevy_ecs::schedule_v3::Schedule).
+/// Determines the method used to run an [`App`]'s [`Schedule`](bevy_ecs::schedule::Schedule).
 ///
 /// It is used in the [`ScheduleRunnerSettings`].
 #[derive(Copy, Clone, Debug)]
 pub enum RunMode {
     /// Indicates that the [`App`]'s schedule should run repeatedly.
     Loop {
-        /// The minimum [`Duration`] to wait after a [`Schedule`](bevy_ecs::schedule_v3::Schedule)
+        /// The minimum [`Duration`] to wait after a [`Schedule`](bevy_ecs::schedule::Schedule)
         /// has completed before repeating. A value of [`None`] will not wait.
         wait: Option<Duration>,
     },
@@ -37,7 +37,7 @@ impl Default for RunMode {
 /// It gets added as a [`Resource`](bevy_ecs::system::Resource) inside of the [`ScheduleRunnerPlugin`].
 #[derive(Copy, Clone, Default, Resource)]
 pub struct ScheduleRunnerSettings {
-    /// Determines whether the [`Schedule`](bevy_ecs::schedule_v3::Schedule) is run once or repeatedly.
+    /// Determines whether the [`Schedule`](bevy_ecs::schedule::Schedule) is run once or repeatedly.
     pub run_mode: RunMode,
 }
 
@@ -59,15 +59,15 @@ impl ScheduleRunnerSettings {
     }
 }
 
-/// Configures an [`App`] to run its [`Schedule`](bevy_ecs::schedule_v3::Schedule) according to a given
+/// Configures an [`App`] to run its [`Schedule`](bevy_ecs::schedule::Schedule) according to a given
 /// [`RunMode`].
 ///
 /// [`ScheduleRunnerPlugin`] is included in the
 /// [`MinimalPlugins`](https://docs.rs/bevy/latest/bevy/struct.MinimalPlugins.html) plugin group.
 ///
 /// [`ScheduleRunnerPlugin`] is *not* included in the
 /// [`DefaultPlugins`](https://docs.rs/bevy/latest/bevy/struct.DefaultPlugins.html) plugin group
-/// which assumes that the [`Schedule`](bevy_ecs::schedule_v3::Schedule) will be executed by other means:
+/// which assumes that the [`Schedule`](bevy_ecs::schedule::Schedule) will be executed by other means:
 /// typically, the `winit` event loop
 /// (see [`WinitPlugin`](https://docs.rs/bevy/latest/bevy/winit/struct.WinitPlugin.html))
 /// executes the schedule making [`ScheduleRunnerPlugin`] unnecessary.

crates/bevy_diagnostic/src/lib.rs

@@ -5,7 +5,7 @@ mod log_diagnostics_plugin;
 mod system_information_diagnostics_plugin;
 
 use bevy_app::prelude::*;
-use bevy_ecs::schedule_v3::IntoSystemConfig;
+use bevy_ecs::schedule::IntoSystemConfig;
 pub use diagnostic::*;
 pub use entity_count_diagnostics_plugin::EntityCountDiagnosticsPlugin;
 pub use frame_time_diagnostics_plugin::FrameTimeDiagnosticsPlugin;

crates/bevy_ecs/examples/change_detection.rs

@@ -1,4 +1,4 @@
-use bevy_ecs::{prelude::*, schedule_v3::IntoSystemConfig};
+use bevy_ecs::{prelude::*, schedule::IntoSystemConfig};
 use rand::Rng;
 use std::ops::Deref;
 

crates/bevy_ecs/macros/src/lib.rs

@@ -528,9 +528,7 @@ pub fn derive_world_query(input: TokenStream) -> TokenStream {
 pub fn derive_schedule_label(input: TokenStream) -> TokenStream {
     let input = parse_macro_input!(input as DeriveInput);
     let mut trait_path = bevy_ecs_path();
-    trait_path
-        .segments
-        .push(format_ident!("schedule_v3").into());
+    trait_path.segments.push(format_ident!("schedule").into());
     trait_path
         .segments
         .push(format_ident!("ScheduleLabel").into());
@@ -542,9 +540,7 @@ pub fn derive_schedule_label(input: TokenStream) -> TokenStream {
 pub fn derive_system_set(input: TokenStream) -> TokenStream {
     let input = parse_macro_input!(input as DeriveInput);
     let mut trait_path = bevy_ecs_path();
-    trait_path
-        .segments
-        .push(format_ident!("schedule_v3").into());
+    trait_path.segments.push(format_ident!("schedule").into());
     trait_path.segments.push(format_ident!("SystemSet").into());
     derive_set(input, &trait_path)
 }

crates/bevy_ecs/src/lib.rs

@@ -14,7 +14,7 @@ pub mod query;
 #[cfg(feature = "bevy_reflect")]
 pub mod reflect;
 pub mod removal_detection;
-pub mod schedule_v3;
+pub mod schedule;
 pub mod storage;
 pub mod system;
 pub mod world;
@@ -35,7 +35,7 @@ pub mod prelude {
         event::{Event, EventReader, EventWriter, Events},
         query::{Added, AnyOf, ChangeTrackers, Changed, Or, QueryState, With, Without},
         removal_detection::RemovedComponents,
-        schedule_v3::{
+        schedule::{
             apply_state_transition, apply_system_buffers, common_conditions::*, IntoSystemConfig,
             IntoSystemConfigs, IntoSystemSet, IntoSystemSetConfig, IntoSystemSetConfigs, NextState,
             OnEnter, OnExit, OnUpdate, Schedule, Schedules, State, States, SystemSet,

crates/bevy_ecs/src/schedule_v3/condition.rs → crates/bevy_ecs/src/schedule/condition.rs

@@ -25,7 +25,7 @@ mod sealed {
 }
 
 pub mod common_conditions {
-    use crate::schedule_v3::{State, States};
+    use crate::schedule::{State, States};
     use crate::system::{Res, Resource};
 
     /// Generates a [`Condition`](super::Condition)-satisfying closure that returns `true`

crates/bevy_ecs/src/schedule_v3/config.rs → crates/bevy_ecs/src/schedule/config.rs

@@ -1,7 +1,7 @@
 use bevy_ecs_macros::all_tuples;
 
 use crate::{
-    schedule_v3::{
+    schedule::{
         condition::{BoxedCondition, Condition},
         graph_utils::{Ambiguity, Dependency, DependencyKind, GraphInfo},
         set::{BoxedSystemSet, IntoSystemSet, SystemSet},
@@ -488,7 +488,7 @@ impl IntoSystemConfig<()> for SystemConfig {
 // only `System<In=(), Out=()>` system objects can be scheduled
 mod sealed {
     use crate::{
-        schedule_v3::{BoxedSystemSet, SystemSet},
+        schedule::{BoxedSystemSet, SystemSet},
         system::{BoxedSystem, IntoSystem},
     };
 

crates/bevy_ecs/src/schedule_v3/executor/mod.rs → crates/bevy_ecs/src/schedule/executor/mod.rs

@@ -9,7 +9,7 @@ pub use self::single_threaded::SingleThreadedExecutor;
 use fixedbitset::FixedBitSet;
 
 use crate::{
-    schedule_v3::{BoxedCondition, NodeId},
+    schedule::{BoxedCondition, NodeId},
     system::BoxedSystem,
     world::World,
 };

crates/bevy_ecs/src/schedule_v3/executor/multi_threaded.rs → crates/bevy_ecs/src/schedule/executor/multi_threaded.rs

@@ -14,7 +14,7 @@ use crate::{
     archetype::ArchetypeComponentId,
     prelude::Resource,
     query::Access,
-    schedule_v3::{
+    schedule::{
         is_apply_system_buffers, BoxedCondition, ExecutorKind, SystemExecutor, SystemSchedule,
     },
     system::BoxedSystem,

crates/bevy_ecs/src/schedule_v3/executor/simple.rs → crates/bevy_ecs/src/schedule/executor/simple.rs

@@ -3,11 +3,11 @@ use bevy_utils::tracing::info_span;
 use fixedbitset::FixedBitSet;
 
 use crate::{
-    schedule_v3::{BoxedCondition, ExecutorKind, SystemExecutor, SystemSchedule},
+    schedule::{BoxedCondition, ExecutorKind, SystemExecutor, SystemSchedule},
     world::World,
 };
 
-/// A variant of [`SingleThreadedExecutor`](crate::schedule_v3::SingleThreadedExecutor) that calls
+/// A variant of [`SingleThreadedExecutor`](crate::schedule::SingleThreadedExecutor) that calls
 /// [`apply_buffers`](crate::system::System::apply_buffers) immediately after running each system.
 #[derive(Default)]
 pub struct SimpleExecutor {

crates/bevy_ecs/src/schedule_v3/executor/single_threaded.rs → crates/bevy_ecs/src/schedule/executor/single_threaded.rs

@@ -3,7 +3,7 @@ use bevy_utils::tracing::info_span;
 use fixedbitset::FixedBitSet;
 
 use crate::{
-    schedule_v3::{
+    schedule::{
         is_apply_system_buffers, BoxedCondition, ExecutorKind, SystemExecutor, SystemSchedule,
     },
     world::World,

crates/bevy_ecs/src/schedule_v3/graph_utils.rs → crates/bevy_ecs/src/schedule/graph_utils.rs

@@ -6,7 +6,7 @@ use bevy_utils::{
 };
 use fixedbitset::FixedBitSet;
 
-use crate::schedule_v3::set::*;
+use crate::schedule::set::*;
 
 /// Unique identifier for a system or system set.
 #[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]

crates/bevy_ecs/src/schedule_v3/mod.rs → crates/bevy_ecs/src/schedule/mod.rs

@@ -2,6 +2,7 @@ mod condition;
 mod config;
 mod executor;
 mod graph_utils;
+#[allow(clippy::module_inception)]
 mod schedule;
 mod set;
 mod state;
@@ -20,7 +21,7 @@ mod tests {
     use std::sync::atomic::{AtomicU32, Ordering};
 
     pub use crate as bevy_ecs;
-    pub use crate::schedule_v3::{IntoSystemConfig, IntoSystemSetConfig, Schedule, SystemSet};
+    pub use crate::schedule::{IntoSystemConfig, IntoSystemSetConfig, Schedule, SystemSet};
     pub use crate::system::{Res, ResMut};
     pub use crate::{prelude::World, system::Resource};
 

crates/bevy_ecs/src/schedule_v3/schedule.rs → crates/bevy_ecs/src/schedule/schedule.rs

@@ -18,7 +18,7 @@ use fixedbitset::FixedBitSet;
 use crate::{
     self as bevy_ecs,
     component::{ComponentId, Components},
-    schedule_v3::*,
+    schedule::*,
     system::{BoxedSystem, Resource},
     world::World,
 };

crates/bevy_ecs/src/schedule_v3/state.rs → crates/bevy_ecs/src/schedule/state.rs

@@ -3,7 +3,7 @@ use std::hash::Hash;
 use std::mem;
 
 use crate as bevy_ecs;
-use crate::schedule_v3::{ScheduleLabel, SystemSet};
+use crate::schedule::{ScheduleLabel, SystemSet};
 use crate::system::Resource;
 use crate::world::World;
 
@@ -61,7 +61,7 @@ pub struct OnExit<S: States>(pub S);
 
 /// A [`SystemSet`] that will run within `CoreSet::StateTransitions` when this state is active.
 ///
-/// This is provided for convenience. A more general [`state_equals`](crate::schedule_v3::common_conditions::state_equals)
+/// This is provided for convenience. A more general [`state_equals`](crate::schedule::common_conditions::state_equals)
 /// [condition](super::Condition) also exists for systems that need to run elsewhere.
 #[derive(SystemSet, Clone, Debug, PartialEq, Eq, Hash)]
 pub struct OnUpdate<S: States>(pub S);

crates/bevy_ecs/src/system/commands/mod.rs

@@ -95,8 +95,8 @@ pub trait Command: Send + 'static {
 /// ```
 ///
 /// [`System::apply_buffers`]: crate::system::System::apply_buffers
-/// [`apply_system_buffers`]: crate::schedule_v3::apply_system_buffers
-/// [`Schedule::apply_system_buffers`]: crate::schedule_v3::Schedule::apply_system_buffers
+/// [`apply_system_buffers`]: crate::schedule::apply_system_buffers
+/// [`Schedule::apply_system_buffers`]: crate::schedule::Schedule::apply_system_buffers
 pub struct Commands<'w, 's> {
     queue: &'s mut CommandQueue,
     entities: &'w Entities,

crates/bevy_ecs/src/system/exclusive_function_system.rs

@@ -155,8 +155,8 @@ where
         );
     }
 
-    fn default_system_sets(&self) -> Vec<Box<dyn crate::schedule_v3::SystemSet>> {
-        let set = crate::schedule_v3::SystemTypeSet::<F>::new();
+    fn default_system_sets(&self) -> Vec<Box<dyn crate::schedule::SystemSet>> {
+        let set = crate::schedule::SystemTypeSet::<F>::new();
         vec![Box::new(set)]
     }
 }

crates/bevy_ecs/src/system/function_system.rs

@@ -522,8 +522,8 @@ where
         );
     }
 
-    fn default_system_sets(&self) -> Vec<Box<dyn crate::schedule_v3::SystemSet>> {
-        let set = crate::schedule_v3::SystemTypeSet::<F>::new();
+    fn default_system_sets(&self) -> Vec<Box<dyn crate::schedule::SystemSet>> {
+        let set = crate::schedule::SystemTypeSet::<F>::new();
         vec![Box::new(set)]
     }
 }

crates/bevy_ecs/src/system/mod.rs

@@ -1,7 +1,7 @@
 //! Tools for controlling behavior in an ECS application.
 //!
 //! Systems define how an ECS based application behaves.
-//! Systems are added to a [`Schedule`](crate::schedule_v3::Schedule), which is then run.
+//! Systems are added to a [`Schedule`](crate::schedule::Schedule), which is then run.
 //! A system is usually written as a normal function, which is automatically converted into a system.
 //!
 //! System functions can have parameters, through which one can query and mutate Bevy ECS state.
@@ -49,7 +49,7 @@
 //! - by adding them to a [`SystemSet`], and then using `.configure_set(ThisSet.before(ThatSet))` syntax to configure many systems at once
 //! - through the use of `.add_systems((system_a, system_b, system_c).chain())`
 //!
-//! [`SystemSet`]: crate::schedule_v3::SystemSet
+//! [`SystemSet`]: crate::schedule::SystemSet
 //!
 //! ## Example
 //!
@@ -144,7 +144,7 @@ mod tests {
         prelude::AnyOf,
         query::{Added, Changed, Or, With, Without},
         removal_detection::RemovedComponents,
-        schedule_v3::{apply_system_buffers, IntoSystemConfig, Schedule},
+        schedule::{apply_system_buffers, IntoSystemConfig, Schedule},
         system::{
             Commands, IntoSystem, Local, NonSend, NonSendMut, ParamSet, Query, QueryComponentError,
             Res, ResMut, Resource, System, SystemState,