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-rw-r--r--crates/mozart/src/commands/install.rs104
1 files changed, 94 insertions, 10 deletions
diff --git a/crates/mozart/src/commands/install.rs b/crates/mozart/src/commands/install.rs
index c8b0431..b89793b 100644
--- a/crates/mozart/src/commands/install.rs
+++ b/crates/mozart/src/commands/install.rs
@@ -167,15 +167,23 @@ pub fn resolve_working_dir(cli: &super::Cli) -> PathBuf {
/// Compute install operations by comparing locked packages against installed packages.
///
/// Returns a tuple of (ops, removals) where:
-/// - ops: list of (package, action) for each locked package
+/// - ops: list of (package, action) ordered topologically — every package's
+/// lock-internal `require` deps appear before it, so installs run in
+/// dependency-first order to match Composer's `Transaction::calculateOperations`.
/// - removals: list of package names that are installed but not locked
pub fn compute_operations<'a>(
locked: &[&'a lockfile::LockedPackage],
installed: &installed::InstalledPackages,
) -> (Vec<(&'a lockfile::LockedPackage, Action)>, Vec<String>) {
- let mut ops: Vec<(&'a lockfile::LockedPackage, Action)> = Vec::new();
+ // Topo-sort `locked` so each package's deps (within the lock set) come
+ // before it. Composer's solver yields operations in this order via the
+ // Transaction; Mozart writes the lock alphabetically, so the install
+ // loop must re-order before emitting trace lines or invoking the
+ // executor.
+ let ordered = topological_sort(locked);
- for pkg in locked {
+ let mut ops: Vec<(&'a lockfile::LockedPackage, Action)> = Vec::new();
+ for pkg in ordered {
if installed.is_installed(&pkg.name, &pkg.version) {
ops.push((pkg, Action::Skip));
} else if installed
@@ -202,6 +210,72 @@ pub fn compute_operations<'a>(
(ops, removals)
}
+/// Order a slice of locked packages so every package's `require` deps that
+/// are present in the same slice come before it. Cycles fall back to the
+/// input order (Composer rejects cycles earlier in the resolver, so Mozart
+/// shouldn't see them here in practice). Mirrors the topological sort
+/// inside `Composer\DependencyResolver\Transaction::calculateOperations`.
+fn topological_sort<'a>(
+ packages: &[&'a lockfile::LockedPackage],
+) -> Vec<&'a lockfile::LockedPackage> {
+ use std::collections::BTreeMap;
+
+ let names: HashSet<String> = packages.iter().map(|p| p.name.to_lowercase()).collect();
+ let mut by_name: BTreeMap<String, &'a lockfile::LockedPackage> = BTreeMap::new();
+ for pkg in packages {
+ by_name.insert(pkg.name.to_lowercase(), *pkg);
+ }
+
+ let mut visited: HashSet<String> = HashSet::new();
+ let mut on_stack: HashSet<String> = HashSet::new();
+ let mut ordered: Vec<&'a lockfile::LockedPackage> = Vec::with_capacity(packages.len());
+
+ fn visit<'b>(
+ name: &str,
+ names: &HashSet<String>,
+ by_name: &BTreeMap<String, &'b lockfile::LockedPackage>,
+ visited: &mut HashSet<String>,
+ on_stack: &mut HashSet<String>,
+ ordered: &mut Vec<&'b lockfile::LockedPackage>,
+ ) {
+ if visited.contains(name) || on_stack.contains(name) {
+ return;
+ }
+ let Some(pkg) = by_name.get(name) else {
+ return;
+ };
+ on_stack.insert(name.to_string());
+ for dep in pkg.require.keys() {
+ let dep_lower = dep.to_lowercase();
+ if names.contains(&dep_lower) {
+ visit(&dep_lower, names, by_name, visited, on_stack, ordered);
+ }
+ }
+ on_stack.remove(name);
+ visited.insert(name.to_string());
+ ordered.push(*pkg);
+ }
+
+ // Seed iteration in the input order so two packages with no relation
+ // come out in the order Mozart's lock writer produced them
+ // (alphabetical), matching Composer's deterministic output.
+ for pkg in packages {
+ let lower = pkg.name.to_lowercase();
+ if !visited.contains(&lower) {
+ visit(
+ &lower,
+ &names,
+ &by_name,
+ &mut visited,
+ &mut on_stack,
+ &mut ordered,
+ );
+ }
+ }
+
+ ordered
+}
+
/// Convert a LockedPackage to an InstalledPackageEntry.
///
/// `LockedPackage::extra_fields` is forwarded verbatim so flags like
@@ -524,13 +598,17 @@ pub async fn install_from_lock(
pkg.name,
pkg.version
));
- // The previous-version string is unknown to install_from_lock
- // (it only sees the post-update lock). Pass the new version
- // as a placeholder; this path is unused by the recorder, and
- // Composer's `Upgrading` trace string is generated upstream
- // by the resolver, not by InstallationManager itself.
+ // Pull the previously-installed version from installed.json
+ // so the trace recorder can format
+ // `Upgrading pkg (oldVersion => newVersion)`.
+ let from_version = installed
+ .packages
+ .iter()
+ .find(|p| p.name.eq_ignore_ascii_case(&pkg.name))
+ .map(|p| p.version.as_str())
+ .unwrap_or("");
PackageOperation::Update {
- from_version: &pkg.version,
+ from_version,
package: pkg,
}
}
@@ -541,7 +619,13 @@ pub async fn install_from_lock(
// Handle removals
for name in &removals {
console.info(&console_format!(" - Removing <info>{}</info>", name));
- executor.uninstall_package(name, &exec_ctx)?;
+ let from_version = installed
+ .packages
+ .iter()
+ .find(|p| p.name.eq_ignore_ascii_case(name))
+ .map(|p| p.version.as_str())
+ .unwrap_or("");
+ executor.uninstall_package(name, from_version, &exec_ctx)?;
}
// Step 7: Clean up empty vendor namespace directories