fix assets-build-planner, plan compile-kind agnostic, improve cache

Cargo.toml

@@ -28,7 +28,7 @@ system = { version = "0.3", path = "api/system", package = "playdate-system", de
 sys = { version = "0.4", path = "api/sys", package = "playdate-sys", default-features = false }
 
 tool = { version = "0.1", path = "support/tool", package = "playdate-tool" }
-build = { version = "=0.4.0-pre2", path = "support/build", package = "playdate-build", default-features = false }
+build = { version = "=0.4.0-pre3", path = "support/build", package = "playdate-build", default-features = false }
 utils = { version = "0.3", path = "support/utils", package = "playdate-build-utils", default-features = false }
 device = { version = "0.2", path = "support/device", package = "playdate-device" }
 simulator = { version = "0.1", path = "support/sim-ctrl", package = "playdate-simulator-utils", default-features = false }

cargo/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "cargo-playdate"
-version = "0.5.0-beta.3"
+version = "0.5.0-beta.4"
 readme = "README.md"
 description = "Build tool for neat yellow console."
 keywords = ["playdate", "build", "cargo", "plugin", "cargo-subcommand"]

cargo/src/assets/mod.rs

@@ -38,7 +38,7 @@ pub type AssetsArtifacts<'cfg> = HashMap<&'cfg Package, AssetsArtifact>;
 pub mod proto {
 	use super::*;
 
-	use plan::proto::MultiKey;
+	use plan::proto::RootKey;
 	use plan::Difference;
 	use playdate::assets::plan::BuildPlan;
 	use playdate::assets::BuildReport;
@@ -59,7 +59,7 @@ pub mod proto {
 
 	pub struct AssetsArtifactsNew<'t, 'cfg> {
 		artifacts: Vec<AssetsArtifact>,
-		index: BTreeMap<MultiKey, Vec<usize>>,
+		index: BTreeMap<RootKey, Vec<usize>>,
 		tree: &'t MetaDeps<'cfg>,
 	}
 
@@ -316,11 +316,17 @@ pub mod proto {
 
 		cfg.log_extra_verbose(|mut logger| {
 			   artifacts.iter().for_each(|(root, arts)| {
+				                   use cargo::core::compiler::CompileKind;
+				                   let ct: Cow<_> = match root.node().unit().platform {
+					                   CompileKind::Host => "host".into(),
+				                      CompileKind::Target(kind) => kind.short_name().to_owned().into(),
+				                   };
+
 				                   let root = format!(
-				                                      "({}) {}::{}",
+				                                      "{} {} of {} for {ct}",
 				                                      root.node().target().kind().description(),
-				                                      root.node().package_id().name(),
 				                                      root.node().target().name,
+				                                      root.node().package_id().name(),
 				);
 				                   logger.status("Assets", format!("artifacts for {root}:"));
 				                   arts.for_each(|art| {
@@ -354,6 +360,15 @@ pub mod proto {
 	fn plan_cache(path: PathBuf, plan: &BuildPlan<'_, '_>) -> CargoResult<PlanCache> {
 		let mut serializable = plan.iter_flatten_meta().collect::<Vec<_>>();
 		serializable.sort();
+
+		#[derive(serde::Serialize)]
+		struct SerializablePlan<'t> {
+			items: &'t [(playdate::assets::plan::MappingKind, PathBuf, (PathBuf, Option<std::time::SystemTime>))],
+			env: &'t BTreeMap<String, String>,
+		}
+
+		let serializable = SerializablePlan { items: &serializable,
+		                               env: plan.used_env_vars() };
 		let json = serde_json::to_string(&serializable)?;
 
 		let difference = if path.try_exists()? {

cargo/src/assets/plan.rs

@@ -93,9 +93,10 @@ pub mod proto {
 		/// per-dep ?dev plan
 		pub index: BTreeMap<Key, usize>,
 		/// per-root plans to merge
-		pub targets: BTreeMap<MultiKey, Vec<usize>>,
+		pub targets: BTreeMap<RootKey, Vec<usize>>,
 	}
 
+	/// Target-agnostic package key.
 	#[derive(Debug, Clone, Copy, Hash, PartialEq, PartialOrd, Eq, Ord)]
 	pub struct Key {
 		pub id: PackageId,
@@ -116,20 +117,21 @@ pub mod proto {
 	}
 
 
+	/// Target-agnostic root-package key with all dependencies.
 	#[derive(Debug, Clone, Hash, PartialEq, PartialOrd, Eq, Ord)]
-	pub struct MultiKey {
+	pub struct RootKey {
 		/// Dependencies
 		id: Vec<PackageId>,
 		/// Primary target is dev
 		dev: bool,
 	}
-	impl From<&'_ RootNode<'_>> for MultiKey {
+	impl From<&'_ RootNode<'_>> for RootKey {
 		fn from(root: &'_ RootNode<'_>) -> Self {
 			Self { dev: root.node().target().is_dev(),
 			       id: root.deps().iter().map(|d| d.package_id().to_owned()).collect() }
 		}
 	}
-	impl MultiKey {
+	impl RootKey {
 		pub fn dev(&self) -> bool { self.dev }
 
 		pub fn is_for(&self, root: &'_ RootNode<'_>) -> bool {
@@ -138,7 +140,6 @@ pub mod proto {
 			    .iter()
 			    .enumerate()
 			    .all(|(i, d)| self.id.get(i).filter(|k| *k == d.package_id()).is_some())
-			// root.deps().into_iter().enumerate().all(|(i, d)| d.package_id() == &self.id[i])
 		}
 	}
 
@@ -176,7 +177,8 @@ pub mod proto {
 		};
 
 
-		for root in tree.roots() {
+		// use target-agnostic selection of roots:
+		for root in tree.roots_compile_target_agnostic() {
 			let meta_source = root.as_source();
 
 			let options = meta_source.assets_options();
@@ -191,7 +193,7 @@ pub mod proto {
 			log::debug!("  dependencies are allowed: {}", options.dependencies());
 
 
-			let plan_key = MultiKey::from(root);
+			let plan_key = RootKey::from(root);
 			if plans.targets.contains_key(&plan_key) {
 				log::debug!("  skip: already done");
 				continue;
@@ -222,20 +224,25 @@ pub mod proto {
 						                            .map(|m| if dev { m.dev_assets() } else { m.assets() }) &&
 						   !assets.is_empty()
 						{
-							// let plan =
 							match assets_build_plan(&env, assets, &options, Some(crate_root.into())) {
 								Ok(plan) => {
 									let pid = key.id;
 									let is_dev = key.dev;
 									let dev_index = plans.plans.len();
+									let compile_target_agnostic = plan.compile_target_agnostic();
 									plans.index.insert(key, dev_index);
 									plans.plans.push(plan);
 									indices.push(dev_index);
 
 									log::debug!("    done: +#{dev_index} (dev:{is_dev})");
 									cfg.log().verbose(|mut log| {
 										         log.status("Plan", format_args!("{name_log}assets for {pid} planned",))
-									         })
+									         });
+
+									if !compile_target_agnostic {
+										cfg.log()
+										   .error("Assets is not compile-target-agnostic, this is not supported");
+									}
 								},
 								Err(err) => {
 									cfg.log()
@@ -307,7 +314,7 @@ pub mod proto {
 
 		// check:
 		for root in tree.roots() {
-			let key = MultiKey::from(root);
+			let key = RootKey::from(root);
 			debug_assert!(plans.targets.contains_key(&key));
 		}
 
@@ -322,7 +329,7 @@ pub mod proto {
 	                                 plans: &AssetsPlans<'cfg>)
 	                                 -> CargoResult<()> {
 		// prepare context:
-		let mut root_package: HashMap<&MultiKey, HashSet<&PackageId>> = HashMap::with_capacity(tree.roots().len());
+		let mut root_package: HashMap<&RootKey, HashSet<&PackageId>> = HashMap::with_capacity(tree.roots().len());
 		let mut root_options: HashMap<&PackageId, AssetsOptions> = HashMap::with_capacity(tree.roots().len());
 
 		plans.targets

cargo/src/main.rs

@@ -64,7 +64,8 @@ fn main() -> CargoResult<()> {
 fn execute(config: &Config) -> CargoResult<()> {
 	match config.cmd {
 		cli::cmd::Cmd::Assets => {
-			let _result = assets::build(config)?;
+			let deps_tree = crate::utils::cargo::meta_deps::meta_deps(config)?;
+			assets::proto::build_all(config, &deps_tree)?;
 		},
 
 		cli::cmd::Cmd::Build => {

cargo/src/utils/cargo/meta_deps.rs

@@ -1,4 +1,4 @@
-use std::collections::HashMap;
+use std::collections::{BTreeMap, BTreeSet, HashMap};
 use std::path::Path;
 
 use cargo::core::compiler::CompileMode;
@@ -251,6 +251,40 @@ impl<'t> MetaDeps<'t> {
 
 	pub fn roots(&self) -> &[RootNode<'t>] { self.roots.as_slice() }
 
+
+	/// Groups of root-units by compile-target.
+	///
+	/// Possible groups:
+	/// 1. Contains just one root-unit;
+	/// 2. Contains two units with __same cargo-target__ and different rustc-targets __including__ playdate.
+	pub fn root_groups(&self) { unimplemented!() }
+
+
+	/// Returns first root for each group by [`roots_by_compile_target`][Self::roots_by_compile_target].
+	pub fn roots_compile_target_agnostic(&self) -> impl Iterator<Item = &RootNode<'t>> {
+		self.roots_by_compile_target().into_iter().flat_map(|(key, _)| {
+			                                          self.roots().iter().find(|n| {
+				                                                             n.node().unit().package_id ==
+				                                                             *key.package_id &&
+				                                                             &n.node().unit().target == key.target
+			                                                             })
+		                                          })
+	}
+
+	/// Groups of root-units by target.
+	///
+	/// Grouping: (package_id + cargo-target) => [rustc-target].
+	pub fn roots_by_compile_target(&self) -> BTreeMap<TargetKey, BTreeSet<cargo::core::compiler::CompileKind>> {
+		self.roots.iter().fold(BTreeMap::new(), |mut acc, root| {
+			                 let key = TargetKey::from(root);
+			                 acc.entry(key)
+			                    .or_insert(BTreeSet::new())
+			                    .insert(root.node().unit().platform);
+			                 acc
+		                 })
+	}
+
+
 	pub fn root_for(&self, id: &PackageId, tk: &TargetKindWild, tname: &str) -> CargoResult<&RootNode<'t>> {
 		self.roots
 		    .iter()
@@ -280,6 +314,28 @@ impl<'t> MetaDeps<'t> {
 }
 
 
+#[derive(Debug, Hash, PartialEq, PartialOrd, Eq, Ord)]
+pub struct TargetKey<'t> {
+	package_id: &'t PackageId,
+	target: &'t UnitTarget,
+}
+
+impl<'t> From<&'t RootNode<'t>> for TargetKey<'t> {
+	fn from(node: &'t RootNode<'t>) -> Self { TargetKey::from(node.node()) }
+}
+
+impl<'t> From<&'t Node<'t>> for TargetKey<'t> {
+	fn from(node: &'t Node<'t>) -> Self { TargetKey::from(node.unit()) }
+}
+
+impl<'t> From<&'t Unit> for TargetKey<'t> {
+	fn from(unit: &'t Unit) -> Self {
+		TargetKey { package_id: &unit.package_id,
+		            target: &unit.target }
+	}
+}
+
+
 pub trait DependenciesAllowed {
 	fn deps_allowed(&self) -> bool;
 }

support/build/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "playdate-build"
-version = "0.4.0-pre2"
+version = "0.4.0-pre3"
 readme = "README.md"
 description = "Utils that help to build package for Playdate"
 keywords = ["playdate", "package", "encoding", "manifest", "assets"]