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2026-05-03fix(resolver): carry root composer.json conflicts onto the in-pool root entrynsfisis
The root pool entry now seeded from composer.json carried provides and replaces but no conflicts, so a root-level conflict like \`{"some/dep": ">=1.3"}\` was silently dropped. Composer keeps these on the RootPackage (which lives in the pool via RootPackageRepository), and the SAT generator turns them into rules that forbid any candidate matching the constraint — including a branch alias that would resolve to a matching version. Without that, Mozart cheerfully installs both the required dev branch and its conflicting alias. Plumb composer.json's \`conflict\` map through ResolveRequest as root_conflict and project it onto the root pool entry as PoolLink conflicts; all callers updated. Unblocks conflict_on_root_with_alias_prevents_update_if_not_required and conflict_with_alias_prevents_update installer fixtures. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-03fix(install): emit MarkAliasUninstalled and fix dev-branch upgrade directionnsfisis
Two pieces of Composer's update-trace machinery were missing: 1. VersionParser::isUpgrade in Composer\Package\Version (which overrides the upstream Semver one) substitutes dev-master / dev-trunk / dev-default with the 9999999-dev default-branch alias, then returns true whenever either side starts with `dev-`. Mozart's is_upgrade compared via the generic version order, so dev-master → dev-foo came out as Downgrading. Port the override. 2. Transaction::calculateOperations seeds removeAliasMap from the currently-installed AliasPackages and emits MarkAliasUninstalled for every entry not covered by the new lock. Mozart never emitted those, so updating away from a branch-aliased package produced no trace line for the alias retirement. Walk installed.json's `extra.branch-alias` map, compare against the new lock's aliases[] block, and emit a MarkAliasUninstalled PackageOperation (a new variant on the executor surface — no filesystem effects, only the trace recorder cares). Unblocks update_alias, update_alias_lock2, and update_no_dev_still_resolves_dev installer fixtures. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-03fix(resolver): seed root package into pool as fixed entrynsfisis
Composer's RootPackageRepository puts a clone of the root package into the pool as a fixed entry — its `require` / `require-dev` cleared, but its name, version, provides, and replaces preserved. That way a transitive `require` pointing back at the root resolves through the pool the same way any other reference would, and legal circular dependencies (root requires A, A requires root) work. Mozart had no such seed: the rule generator only knew about the root through the explicit root-require / root-provide / root-replace tables, so a transitive consumer requiring the root by name failed with no provider. Plumb root_version through ResolveRequest (RawPackageData gains a matching `Option<String>` field), build a fixed PoolPackageInput for the root with provides/replaces lifted from request.root_provide / root_replace, and skip the root by name when collecting the resolver's output so it doesn't leak into the lock file. Falls back to `1.0.0+no-version-set` (Composer's RootPackage::DEFAULT_PRETTY_VERSION) when the root composer.json omits `version`. Unblocks circular_dependency2, conflict_against_replaced_package_problem, and provider_conflicts installer fixtures. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-03fix(install): switch update trace to dist-ref mode when source refs matchnsfisis
Composer's UpdateOperation::format renders the from/to versions through DISPLAY_SOURCE_REF_IF_DEV first, but if both sides come out identical it re-renders in DISPLAY_SOURCE_REF (when source refs differ) or DISPLAY_DIST_REF (when only dist refs differ) so the trace doesn't show a useless `pkg (X => X)` line. Mozart skipped the switch and emitted the default form on both halves, so a same-version-different-dist-ref update showed up as `dev-master def000 => dev-master def000` instead of `dev-master def000 => dev-master`. Add format_update_pretty_versions to render the pair Composer's way and plumb the resolved to_full_pretty through PackageOperation::Update so the trace recorder uses it verbatim. Unblocks update_installed_reference and update_picks_up_change_of_vcs_type installer fixtures. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-03fix(install): treat dev-reference shifts as upgradesnsfisis
Composer's Transaction fires an UpdateOperation when an installed package's source/dist reference moved, even if the version string is unchanged — that is how a `dev-main#abcd` root require pinning a new commit propagates through `composer install`. Mozart was checking only (name, version) and short-circuiting to Skip, so the package stayed pinned to whatever reference installed.json carried. Compare references in compute_operations and route mismatches into Action::Update. The trace recorder needs the from-side display string to include the reference suffix (`dev-master abc123`) so the EXPECT output matches Composer's UpdateOperation::format; thread that through PackageOperation::Update as a separate from_full_pretty field while keeping from_version (sans suffix) for the upgrade-vs-downgrade direction check, which has to compare normalized versions like Composer's VersionParser::isUpgrade does. Unblocks update_reference, update_reference_picks_latest, and updating_dev_updates_url_and_reference installer fixtures. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-03fix(install): keep one cycle survivor as root for install orderingnsfisis
Mozart's install-order topological sort marked every package required by any other as non-root, so cycle members all fell out of the root set and the cycle fallback emitted them in input (alphabetical) order. Composer instead walks the sorted result map and removes each package's required providers as it goes, skipping outer packages already removed — leaving the highest-sort-key cycle member as a root and giving DFS a deterministic entry point. Mirror that. Unblocks the prefer_lowest_branches installer fixture. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-03refactor: switch internal maps/sets from HashMap to IndexMapnsfisis
Adopt indexmap workspace-wide so iteration order is deterministic and follows insertion order. The non-deterministic order of std HashMap otherwise leaks into resolver decisions when multiple valid solutions exist (e.g. cyclic require pairs under prefer-lowest), making behavior flaky and divergent from Composer's PHP-array semantics. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-03feat(resolver): apply config.platform overrides on top of detected platformnsfisis
Mirrors `Composer\Repository\PlatformRepository`'s `$overrides` handling: each override either replaces a detected platform package version or adds a virtual one (e.g. ext-dummy), and `false` disables the package. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-03fix(resolver): fail when a root require has no matching providersnsfisis
Mirror Composer's `Solver::checkForRootRequireProblems`: a root require that resolves to zero pool providers produces no SAT rule, so the solver previously succeeded with an empty plan instead of reporting the unresolvable requirement. `RuleSetGenerator::generate` now returns those misses alongside the rule set, and `resolve()` short-circuits into `ResolveError::NoSolution` so install/update exit with code 2 to match Composer. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-03fix(registry): respect priority order across inline package reposnsfisis
When a `type: package` repository declares a name already declared by a higher-priority `type: package` entry, drop it. Mirrors Composer's RepositorySet first-repo-wins semantics so duplicate names across inline repositories cannot promote a lower-priority version into the pool. Greens 4 installer fixtures: install_prefers_repos_over_package_versions, repositories_priorities2, repositories_priorities4, update_package_present_in_lower_repo_prio_but_not_main_due_to_min_stability. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-03fix(resolver): substitute self.version in pool link constraintsnsfisis
Composer's ArrayLoader and AliasPackage rewrite "self.version" to the declaring package's own version when building Link objects, so a package's replace/provide/conflict/require constraints carry a concrete "= <version>" rather than the literal string. Mozart was passing "self.version" through verbatim, which then failed to parse in Pool::matches_package and caused replace_alias.test to fail to find a provider for c/c 1.* via a/a's branch alias. Push the substitution into make_pool_links, threading the source package's normalized version through the call sites in resolver.rs (packagist/inline/composer-repo) and vcs_bridge.rs. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-02fix(resolver): honor root self-provide/replace as require fulfilmentnsfisis
Port Composer's RuleSetGenerator::createRequireRule self-fulfilling branch: when the root composer.json's `provide` or `replace` covers a name it also requires (with intersecting constraints), skip emitting an install-one-of rule for that root require. Composer relies on the root package being a fixed entry in the pool so whatProvides() includes it; Mozart does not yet add the root to the pool, so the same decision is made via explicit `root_provide` / `root_replace` tables threaded through ResolveRequest. Without this, an inline repo package whose name matches the root's provide was being force-installed. Fixes installer fixtures `provider_satisfies_its_own_requirement` and `replacer_satisfies_its_own_requirement`.
2026-05-02feat(resolver): support inline #ref pin and default-branch aliasnsfisis
Adds the missing pieces for installer fixtures that pin a dev package via `dev-foo#hex` or rely on Composer's `default-branch: true` synthetic `9999999-dev` alias. Mirrors Composer at four layers: 1. `mozart_semver::parse_single` strips `dev-...#hex` / `....x-dev#hex` suffixes from constraints (Composer's `parseConstraint` regex). 2. `PackagistVersion` carries `default_branch`. When set on a `dev-` package with no numeric prefix, `packagist_to_pool_inputs` emits the synthetic `9999999-dev` alias — but skips it when an explicit `extra.branch-alias` already covers the version (matches `ArrayLoader::getBranchAlias`). 3. `RuleSetGenerator::generate` picks up `addRulesForRootAliases`: any pool alias whose target was added gets its own alias↔target rules so the SAT solver pulls them in together. 4. `lockfile::generate_lock_file` extracts root `#hex` overrides from `require`/`require-dev` and rewrites source/dist references (and github/gitlab/bitbucket archive URLs) on the matched package, the `setSourceDistReferences` ladder Composer runs in `PoolBuilder`. Resolver also infers `Stability::Dev` from a `dev-foo` style single-atom constraint when no explicit `@flag` is given, mirroring the second loop of `RootPackageLoader::extractStabilityFlags` so the package isn't filtered out under default `stable` minimum-stability. Newly green: install_branch_alias_composer_repo, install_reference, conflict_with_alias_prevents_update_if_not_required, unbounded_conflict_matches_default_branch. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-02feat(resolver): add branch-alias support across the resolution pipelinensfisis
Plumb Composer's `extra.branch-alias` mechanism end-to-end so a dev branch (e.g. `dev-foobar`) can be installed alongside its numeric alias (e.g. `3.2.x-dev`) and resolve constraints written against the alias target. Concretely: - `mozart-semver`: stop treating pure-numeric `-dev` as a wildcard branch — `3.2.9999999.9999999-dev` (the form `normalizeBranch` emits) now parses as a classical version with `is_dev_branch=false`, so constraints like `3.2.*` match it. - `mozart-registry/composer_repo`: load `type: composer` repositories from `file://` URLs (legacy embedded `packages.json`). - `mozart-registry/resolver`: emit pool entries in pairs for dev branches with `extra.branch-alias`, link them via `is_alias_of`, and apply `@dev`/`@beta` etc. stability suffix flags from root requires. - `mozart-sat-resolver`: alias rules (`PackageAlias` / `PackageInverseAlias`) so alias and target install together; alias packages skipped from same-name conflict indexing. - `mozart-sat-resolver/policy`: `DefaultPolicy` now honors `prefer_stable` via Composer's stability-tier comparison. - `mozart-registry/lockfile`: split resolved set into real packages vs. alias entries; populate the `aliases[]` block. - `mozart-registry/installer_executor`: new `MarkAliasInstalled` operation; `format_full_pretty_version` mirroring `BasePackage::getFullPrettyVersion` (appends source ref[0..7] for dev/git packages). - Test harness rewrites fixture-relative `file://` URLs to absolute paths. Newly green fixtures: `install_branch_alias_composer_repo`, `alias_solver_problems`, `alias_solver_problems2`, `conflict_with_all_dependencies_option_dont_recommend_to_use_it`, `unbounded_conflict_does_not_match_default_branch_with_branch_alias`, `unbounded_conflict_does_not_match_default_branch_with_numeric_branch`. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-02fix(installer): match Composer's transaction order and uninstall labelnsfisis
Three coupled changes that bring `compute_operations` + the in-process trace recorder into byte-parity with Composer's `Transaction::__toString` output: - `TraceRecorderExecutor`: emit "Removing X (V)" instead of "Uninstalling X (V)" — Composer's `UninstallOperation::__toString` uses "Removing". - `install_from_lock`: run removals before installs/updates to mirror `Transaction::moveUninstallsToFront`. Both dry-run and real-execution branches now emit the same prefix order. - `topological_sort`: replace recursive DFS with the stack-based DFS that Composer uses in `Transaction::calculateOperations`. Roots are seeded reverse-alphabetically (matching `setResultPackageMaps`'s uasort with `strcmp(b, a)`), and `getProvidersInResult` is mirrored by treating a package's `provide`/`replace` keys as additional name targets when resolving a `require` link. To make the third change work end-to-end, `LockedPackage` gains typed `provide` and `replace` fields (Composer's lock preserves them; Mozart was silently dropping them). `packagist_version_to_locked_package` now copies them through. Unignores 13 installer fixtures (10 newly green from the fix, 3 that were already green-but-still-flagged): conflict_downgrade_nested, install_from_lock_removes_package, install_security_advisory_matching_dependency, load_replaced_package_if_replacer_dropped, partial_update_keeps_older_dep_* (×2), partial_update_security_advisory_matching_locked_dep, provider_packages_can_be_installed_together_with_provided_if_both_installable, remove_deletes_unused_deps, replace_priorities, update_allow_list_require_new_replace, update_allow_list_with_dependencies_require_new_replace, update_requiring_decision_reverts_and_learning_positive_literals. Installer scoreboard: 75/187 → 88/187. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-02test(installer): switch fixtures to in-process harnessnsfisis
Replaces the spawn-based runner in tests/installer.rs with the in-process harness from Step E. Every fixture now goes through mozart::commands::{install,update}::run with an empty RepositorySet (Composer's `'packagist' => false` test config) and a TraceRecorderExecutor (Composer's InstallationManagerMock), and the EXPECT section is now asserted against the recorder's trace - load-bearing for behavior parity, not just exit-code. The original CI failure (suggest_replaced) is now legitimately tested: the empty RepositorySet makes b/b unreachable just like Composer's test config, the inline package repo's eager preload finds c/c which replaces b/b, and the topological install order in compute_operations produces the c/c -> a/a trace the fixture pins. Strict trace assertion surfaced 60 Mozart-vs-Composer divergences that the exit-code-only spawn runner had been silently ignoring. Each is marked `installer_fixture\!(name, ignore)` for now; the categories break down roughly as: - alias handling (alias_in_lock2, install_aliased_alias, update_alias*) - replace / provider trace shape (replace_priorities, provider_satisfies_its_own_requirement, replacer_*) - update direction strings (update_changes_url, update_reference, update_dev_*) - partial-update + lock interactions (partial_update_*) - allow-list with replace/dependency interactions (update_allow_list_with_dependencies_require_new*) These each become individual follow-up Mozart bugs rather than mass silent-pass. Also marks prefer_lowest_branches as ignore: it's a real flake driven by HashSet iteration order in the resolver, where two equivalent candidates can be picked in either order. That's a separate determinism bug worth its own fix. The proxy-hack env-vars in mozart-test-harness::runner are removed - no test currently spawns the binary, and the in-process harness expresses Packagist disablement directly via RepositorySet::empty rather than relying on TCP failure to suppress network calls. Headline numbers: 75 passed (in-process, exit-code + EXPECT trace) + 112 ignored, vs prior 136 passed (spawn, exit-code only) + 51 ignored. The drop in passing count reflects the stricter assertion bar, not new regressions. Also removes tests/installer_in_process.rs - its single proof-of- concept fixture (suggest_replaced) is now part of the unified installer.rs harness. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-02feat(installer): add trace recorder and topo install ordernsfisis
Adds TraceRecorderExecutor (Composer's InstallationManagerMock analog), which records every install/update/uninstall as a string matching Composer's *Operation::__toString output (after strip_tags) - the load-bearing assertion target for in-process fixture tests. Two changes were needed to make the recorder useful: - InstallerExecutor::uninstall_package gains a version parameter, and install_from_lock now looks up both the uninstall and the Update-from-version from installed.json. Previously the Update path passed the new version as a placeholder; the recorder needs the real old version to emit `Upgrading pkg (old => new)`. - compute_operations now topologically sorts the lock contents (deps before dependents) before computing actions, mirroring Composer's Transaction::calculateOperations. Without this, packages would install in alphabetical order and the trace would diverge from Composer's expectation. Also adds crates/mozart/tests/installer_in_process.rs with the in-process harness scaffold: parses the same .test fixtures, builds a tempdir, calls commands::install::run / update::run with an empty RepositorySet (no Packagist) and a TraceRecorderExecutor, then asserts exit code + EXPECT trace. One fixture wired up: suggest_replaced - the original CI failure that motivated this whole DI refactor. It now passes on the in-process path because the empty RepositorySet makes b/b unreachable just like Composer's `'packagist' => false` test config, and the resolver finds c/c (which replaces b/b) via the inline package repo's eager preload. Step F will migrate every fixture currently in installer.rs to the new harness; remaining divergences (alias handling, output ordering, replace trace shape, etc.) will surface as individual follow-ups. All 136 existing spawn-based fixtures + 114 mozart-registry tests + 541 mozart lib tests still green; clippy clean. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-02refactor(commands): split install/update into CLI execute + library runnsfisis
Carve commands::install::execute and commands::update::execute into thin CLI-arg-driven wrappers + run() entry points that take (working_dir, args, console, repositories, executor) directly. The wrappers build a production RepositorySet (Packagist) + FilesystemExecutor from cli, then dispatch to run; in-process tests will call run directly with an empty RepositorySet (Composer's `'packagist' => false` test config) and a tracing InstallerExecutor. The install -> update fallback (no composer.lock present) now goes through update::run, forwarding the caller's repositories + executor so test mocks survive the edge. Also drop the now-dead InstallConfig::no_cache field — install_from_lock stopped consuming the cache when FilesystemExecutor was extracted in the earlier DI plumbing pass, so the field has no effect. All 136 enabled installer fixtures + 114 mozart-registry tests + 541 mozart lib tests still green; clippy clean. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-02refactor(registry): plumb RepositorySet and executor through callersnsfisis
ResolveRequest and LockFileGenerationRequest now take Arc<RepositorySet> instead of a raw Cache. install_from_lock now accepts &mut dyn InstallerExecutor instead of constructing FilesystemExecutor internally. Both changes expose the DI injection points needed by the upcoming in-process test harness, where Packagist must be replaced with an empty RepositorySet (Composer's `'packagist' => false` test config) and filesystem install execution must be replaced with a tracing recorder (Composer's InstallationManagerMock). The eager VCS scan and inline-package preload still happen inside resolve(), so the RawRepository array is kept on ResolveRequest as raw_repositories - migrating those through RepositorySet remains a follow-up. RepositorySet gains with_packagist and empty constructors so production callers and future tests have a uniform construction shape. All 136 enabled installer fixtures + 114 mozart-registry tests + 541 mozart lib tests still green; clippy clean. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-02refactor(registry): route Packagist queries through RepositorySetnsfisis
Replace direct packagist::fetch_package_versions calls in resolver::resolve (seed + transitive loops) and lockfile::generate_lock_file with repo_set.load_packages calls. PackagistRepository now propagates errors instead of swallowing them, so the seed loop's strictness and the transitive loop's local-leniency are both preserved exactly. VCS and inline-package repositories are still preloaded directly into the pool builder for now, with their names tracked in skip lists so we don't double-load them through the trait. Migrating them through RepositorySet is a follow-up - vcs_to_pool_inputs and packagist_to_pool_inputs differ in dev-branch handling that needs to be unified first. All 136 enabled installer fixtures + 114 mozart-registry tests + 541 mozart lib tests remain green; clippy clean. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-02refactor(registry): introduce Repository and InstallerExecutor traitsnsfisis
Sets up DI scaffolding for in-process installer E2E tests, mirroring how Composer's PHPUnit suite swaps Packagist (FactoryMock) and the install manager (InstallationManagerMock) without touching the network or filesystem. Additions: - Repository trait + RepositorySet (Composer's RepositoryInterface analog), with PackagistRepository, InlinePackageRepository, VcsRepository impls. - InstallerExecutor trait (Composer's InstallationManager analog) with FilesystemExecutor extracted from install_from_lock. install_from_lock now delegates per-package install/uninstall verbs to FilesystemExecutor; console output orchestration stays in the caller so existing --EXPECT-OUTPUT-shape assertions remain comparable. No behavior change - all 136 enabled installer fixtures still pass. Also tightens the installer_fixture\! ignore form to a single token (installer_fixture\!(name, ignore)) for readability. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-02feat(resolver): real constraint intersection and replace-aware same-name ↵nsfisis
conflicts `Pool::what_provides` previously accepted any provide/replace candidate because `constraints_intersect` returned true unconditionally; the same-name conflict pass also looked only at canonical names, so a package replacing another at v1.0.0 was treated as a valid provider for a v2.0.0 require and could coexist with the replaced package. Implement interval-based `VersionConstraint::intersects` and index packages by their `replace` targets (matching Composer's `getNames(false)`) when generating same-name conflict rules. Greens 3 installer fixtures: conflict_against_replaced_by_dep_package_problem, provider_conflicts3, replaced_packages_should_not_be_installed. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-02fix(update): normalize locked version to 4-segment form on partial pinnsfisis
`apply_partial_update` and `apply_patch_only` both pinned non-listed packages back to the lock by copying `LockedPackage.version_normalized` verbatim, falling back to the raw pretty `version` when the field was missing. Lock files written by Composer always include the field, but hand-written fixtures (every `--LOCK--` block in the installer fixtures, in particular) typically only carry `version`. The 3-segment form ("1.0.0") then leaked into the resolved package, where `LockFileGenerationRequest::inline_lookup` compares against the 4-segment normalizer output ("1.0.0.0") and missed inline `type: package` entries — triggering a Packagist fetch (and proxy-blocked failure under the test harness) for a package that should never need one. Extract a single `locked_version_normalized` helper that runs the pretty version through `mozart_semver::Version::parse(...).to_string()` when the lock omits `version_normalized`, and use it from both call sites. Mirrors `packagist_to_pool_inputs` and `inline_lookup`, which already produce the 4-segment form. Unblocks 26 installer fixtures: the entire update-allow-list cluster (16, minus the alias subcase), five partial-update cases, and five others (full-update-minimal-changes, load-replaced-package-if-replacer-dropped, remove-deletes-unused-deps, remove-does-nothing-if-removal-requires-update-of-dep, update-changes-url). Scoreboard: 107 → 133 of 187 installer fixtures. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-02feat(resolver): honor --ignore-platform-reqs and wildcard patternsnsfisis
The pool builder and rule-set generator only consulted an exact-match HashSet, so `--ignore-platform-reqs` (no value) and `--ignore-platform-req=ext-foo-*` fell through to the SAT layer and produced "no matching package found" for transitive platform deps. Track the bool flag separately and run each platform name through `mozart_core::matches_wildcard` against the configured patterns. Unblocks four installer fixtures: install-{ignore-platform-package-requirement-wildcard,ignore-platform-package-requirements} update-{ignore-platform-package-requirement-wildcard,ignore-platform-package-requirements}. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-02test(harness): force unreachable proxy for spawned mozartnsfisis
Composer fixtures with inline `package` repositories often set `dist.url` / `source.url` to RFC 2606 placeholders like `https://example.org`. Composer's PHPUnit suite swaps in InstallationManagerMock; Mozart's harness invokes the real binary, so its `reqwest`-based downloader actually hit the network and hung for ~30s per fixture before failing. Setting HTTP_PROXY / HTTPS_PROXY / NO_PROXY on the child process routes every HTTP request through 127.0.0.1:1, which fails the TCP connect immediately. The current 103 green installer tests remain green (resolver short-circuits before download); the ignored update_downgrades_unstable_packages now errors in 0.1s instead of 30s, which is the safety net we want as more inline-package fixtures get unignored. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-01feat(registry): support inline 'type: package' repositoriesnsfisis
Composer's PackageRepository lets composer.json embed full package metadata under repositories[].package, mirroring the on-disk Packagist response shape. The vast majority of installer fixtures under composer/tests/Composer/Test/Fixtures/installer (179 of 189) rely on this — they declare every package they need inline rather than hitting the network. Three pieces wire this into Mozart: 1. mozart-core::package::RawRepository: relax `url` to Option<String> (Composer enforces presence per repo type, not at JSON parse) and add `package: Option<Value>` to receive the inline definition, which can be a single object or an array. 2. mozart-registry::inline_package: a new module that walks `&[RawRepository]`, picks out type=package entries, and reshapes each `package` payload into a PackagistVersion (auto-computing version_normalized when omitted, matching Packagist's output). 3. resolver::resolve and lockfile::generate_lock_file: feed inline packages into the SAT pool builder and short-circuit the Packagist fetch when generating the lock entry for a resolved inline package. The package-name set is shared with the existing VCS-skip logic so the seed and transitive loops don't double-fetch. One additional install-time change: in install_from_lock, packages that have neither dist nor source are now skipped silently instead of bailing with "no dist or source information". This mirrors Composer's MetapackageInstaller (no installer for type=metapackage) and is also what Composer's own AllFunctionalTest exercises via InstallationManagerMock — most inline-package fixtures define synthetic packages with no download metadata, expecting the install operation to be recorded but not actually run. Net effect: installer fixture scoreboard jumps from 7/187 to 103/187. The 84 fixtures still ignored hit issues unrelated to inline-package plumbing — aliases, replace/provide chains, dev-reference handling, allow-list updates, etc. — and are tracked separately. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-01fix(install): preserve LockedPackage extra_fields in installed.jsonnsfisis
Composer's InstalledFilesystemRepository::write() dumps the full package via ArrayDumper, so flags like `abandoned` and `default-branch` (which Mozart parks in LockedPackage::extra_fields) should round-trip from composer.lock into vendor/composer/installed.json. locked_to_installed_entry was zeroing the destination's extra_fields, silently stripping these flags every time installed.json got rewritten. Carry the extra_fields map across verbatim. The install-forces-reinstall-if-abandon-changes installer fixture is already exit-0 green at the harness layer; this aligns the actual end-state with Composer's EXPECT-INSTALLED so a future EXPECT-INSTALLED comparison won't re-flag this gap. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-01fix(registry): accept composer.lock without content-hashnsfisis
Composer's `Locker` treats `content-hash` as optional with BC support (see Locker::isLocked() / isFresh() lines 142-147): if a lock predates the field — or, in the case of installer fixtures, deliberately omits it — Composer simply considers the lock "not fresh" against any composer.json. Mozart's deserializer was strict, rejecting the lock with `missing field content-hash` before any of the install-time checks could run. Default the field to empty via `#[serde(default)]`. With an empty hash, `is_fresh()` returns false (matching Composer's BC behavior, so the freshness warning still fires) and downstream code that overwrites `content_hash` continues to work unchanged. Closes the parsing barrier exercised by the updating-dev-from-lock-removes-old-deps installer fixture. Note: matching Composer's exact operations trace ("Upgrading a/devpackage …", alias-removal lines) requires a `compute_operations` that compares package source references — out of scope for this change and tracked in .ken/test_design.md §7.2 under "EXPECT (operations trace) 比較". Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-01feat(core): reject root composer.json that requires its own namensfisis
Mirrors Composer\Package\Loader\RootPackageLoader::load(): if the root package's "name" appears as a key in its own "require" or "require-dev" map, fail loudly before reaching the resolver. Without this, Mozart would silently let the request hit Packagist (which has no entry for the root's vendor/name) and report a misleading "could not be found" error. Wired into install::execute (when a lock file is present) and update::execute (the no-lock fallback path). Carries the same wording as Composer's RuntimeException so a future EXPECT-OUTPUT comparison will match. Also extends the installer test harness: when a fixture sets EXPECT-EXCEPTION but no EXPECT-EXIT-CODE, assert that Mozart exits non-zero. Full exception-class matching remains a follow-up (see .ken/test_design.md §7.2). Closes the gap exercised by the install-self-from-root installer fixture. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-01feat(install): verify platform requirements before install_from_locknsfisis
Mirrors Composer's platform-requirements check during Installer::doInstall(): merge platform requires from the lock's platform/platform-dev fields with the root composer.json require/require-dev (composer.json wins on duplicate keys), then verify them against the detected runtime platform. If any are missing or unsatisfied, print the standard "Your lock file does not contain a compatible set of packages" message followed by Problem 1..N entries and exit with DEPENDENCY_RESOLUTION_FAILED (2) instead of silently proceeding to "Nothing to install" with exit 0. Closes the gap exercised by the outdated-lock-file-with-new-platform-reqs-fails installer fixture. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-01feat(install): verify lock file satisfies composer.json requiresnsfisis
Mirrors Composer's Installer::doInstall() check: before installing from an existing composer.lock, walk every root require (and require-dev in dev mode) and confirm the lock contains a satisfying package. If any are missing or fail the constraint, print the standard bullet-list diagnostic and exit with LOCK_FILE_INVALID (4) instead of blindly attempting to install and failing later with a misleading "no dist or source information" error. Closes the gap exercised by the outdated-lock-file-fails-install installer fixture. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-01refactor: fix clippy warningsnsfisis
Replace if-let/else-return with `?`, swap `as_ref().map(|k| k.as_slice())` for `as_deref()`, and switch test fixtures from `vec\![]` to array literals where ownership is unneeded. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-01fix(registry): default missing composer.lock _readme to canonical textnsfisis
Composer treats _readme as write-only metadata: Locker.php injects it on write but the loader never requires it. Mozart's deserializer was strict, so any composer.lock without _readme failed to parse — including most fixtures under composer/tests/.../installer/*.test. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-01feat(registry): accept v1 (bare array) installed.jsonnsfisis
Composer's FilesystemRepository::initialize branches on isset($data['packages']) — object form is v2, bare array is v1 — and treats dev-package-names/dev as optional. Mirror that in InstalledPackages::read so Mozart consumes shared .test fixtures (which use v1) without harness preprocessing, and so installs over v1-era vendor directories keep working. Drop the v1→v2 wrapper that was added to mozart-test-harness for the same reason. Removes #[ignore] from update_to_empty_from_locked (2/187 green). Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-01fix(core): default missing composer.json "name" to __root__nsfisis
Composer's RootPackageLoader assigns the root name "__root__" when composer.json omits the "name" field. Mozart was failing deserialization in that case, blocking any installer fixture with a nameless root manifest. Apply the same serde default and unignore update-to-empty-from-blank as the first green entry on the .test scoreboard.
2026-05-01test(test-harness): enumerate Composer installer .test fixturesnsfisis
Add per-fixture #[test] entries (187 total) via a small declarative macro that reads files directly from the composer submodule. For now each test only asserts the file parses; execution and EXPECT-* checks will be layered on as the harness gains comparison helpers.
2026-05-01feat(test-harness): add Composer .test fixture parser and runnernsfisis
Foundation for porting Composer's installer integration fixtures. Parser covers the 13 sections of InstallerTest.php; runner sets up a tempdir from COMPOSER/LOCK/INSTALLED and invokes the mozart binary. No fixtures are migrated in this commit.
2026-02-24fix(cache): enable dist archive caching for all commandsnsfisis
files_cache was Option<&Cache> and install_from_lock always passed None, so downloaded zip/tar archives were never cached. Make the parameter non-optional (&Cache) and wire it through every command that downloads dist archives (install, update, require, remove, create-project, archive). The Cache internally respects --no-cache via its enabled flag, so the Option wrapper was unnecessary. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-24fix(solver): iterate live watch chain to prevent infinite loop in propagationnsfisis
The watch graph's propagateLiteral used a cloned chain for iteration while checking the live chain for bounds. After move_watch removed a node, the stale clone kept re-reading the same node index, causing an infinite loop on large dependency sets (e.g. laravel/laravel). Now re-fetch the live chain each iteration, matching Composer's SplDoublyLinkedList semantics where remove() advances the iterator. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-24feat(cache): enable repo cache for all Packagist API callsnsfisis
Remove the Option wrapper from repo_cache in ResolveRequest, LockFileGenerationRequest, and fetch_package_versions. All commands now initialize a Cache via build_cache_config(cli.no_cache), ensuring Packagist metadata is cached to disk (respecting --no-cache flag). Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-23feat(tracing): instrument network requests with tracing spansnsfisis
Add #[tracing::instrument] and debug logs to all HTTP-calling functions in mozart-registry and mozart-vcs for request-level observability (URL, status code, cache hits, download size). Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-23refactor(cli): route command output through Console abstractionnsfisis
Replace direct println\!/eprintln\! calls with console.write(), console.info(), and console.write_stdout() across all command handlers to respect verbosity settings. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-23fix(cli): align install/update output with Composer conventionsnsfisis
- Migrate eprintln\! to Console for consistent colored output - Use Composer terminology in lock file operations: Locking instead of Installing, Upgrading/Downgrading instead of Updating - Add is_downgrade() helper to distinguish upgrades from downgrades - Pass Console through install_from_lock for proper output handling Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-23fix(semver): handle partial upper bounds in hyphen ranges per Composer specnsfisis
`parse_hyphen_range` was using `<=` for all upper bounds, but Composer treats partial versions (1-2 segments) differently: `8.1 - 8.5` should mean `>=8.1.0 <8.6.0-dev`, not `>=8.1.0 <=8.5.0`. This caused constraints like `php 8.1 - 8.5` to reject PHP 8.5.3. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-23refactor(cli): replace std::process::exit() with bail_silent in command handlersnsfisis
Improves testability and ensures proper resource cleanup by returning errors through the existing MozartError/exit_code mechanism instead of terminating the process directly. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-23fix(cli): align subcommand help text with Composernsfisis
Sync descriptions with upstream Composer. Replace product name references (Composer/composer) with Mozart. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-23refactor(vcs): convert VcsDriver trait to native asyncnsfisis
Replace manual tokio::runtime::Handle::current().block_on() calls with native async/await throughout all VCS drivers. Introduce AnyVcsDriver enum for static dispatch to avoid dyn trait with async methods. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-23feat(vcs): add mozart-vcs crate for VCS repository supportnsfisis
Implement VCS driver/downloader infrastructure mirroring Composer's VCS subsystem. Includes drivers for GitHub, GitLab, Bitbucket, Forgejo, Git, Hg, and SVN with API-based metadata resolution, plus source downloaders for Git/Hg/SVN. Integrates into mozart-registry via vcs_bridge module to scan VCS repositories and feed discovered packages into the SAT resolver. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-23fix(validate): warn on orphan scripts-descriptions/aliases and honor config.locknsfisis
- Detect scripts-descriptions and scripts-aliases keys referencing non-existent scripts and emit warnings matching Composer's behavior - Respect config.lock=false in composer.json to skip lock file checks unless --check-lock is explicitly passed Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-23fix(self-update): preserve backups and improve output messagesnsfisis
- clean-backups now preserves the most recent backup for rollback - Rollback no longer deletes the backup file after restoring - Show version and channel in update/already-up-to-date messages - Print rollback suggestion after successful update - Show version instead of file path in rollback output Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>