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2026-05-06refactor(console): add write macros and migrate commands to use themnsfisis
2026-05-06fix(cache): mirror Composer no-cache and cache-files-maxsize handlingnsfisis
--no-cache redirects COMPOSER_CACHE_DIR to /dev/null (mirrors Application::doRun). cache_files_maxsize is now u64 with a "300MiB"-style string deserializer. Cache::new() takes readonly instead of enabled; is_usable() detects null devices.
2026-05-05feat(core): port Factory::createConfig() as factory::create_config()nsfisis
Adds crates/mozart-core/src/factory.rs with get_cache_dir(), get_data_dir(), and create_config() — a Rust port of Composer\Factory::createConfig() (auth loading and htaccess creation are out of scope for now). Also fixes a correctness bug on Linux: the previous Config::default() resolved cache-dir to $XDG_CONFIG_HOME/composer/cache via the {$home}/cache placeholder, whereas Composer uses the XDG cache base ($XDG_CACHE_HOME or ~/.cache), giving ~/.cache/composer. Callers updated: - Composer::load() uses create_config() as the global baseline before merging project-level config. - config command execute_read() builds the global baseline with create_config() and overlays local config on top when not --global, matching Composer's actual layering order. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-05-05refactor(core): replace ComposerConfig with typed Config structnsfisis
Config uses serde with kebab-case field mapping; known properties are strongly-typed fields and unknown keys flow into an extra BTreeMap. resolve_references is moved to the new config module.
2026-05-05chore: remove redundant commentsnsfisis
2026-05-05feat(dump-autoload): warn and exit 1 on missing installed packagesnsfisis
Mirror Composer's DumpAutoloadCommand by scanning the local repository for packages whose install path is absent on disk, emitting the same "Not all dependencies are installed" warning, and returning exit code 1 when any are missing. Also reorders the surrounding flow to follow Composer's command sequence.
2026-05-05refactor(commands): consolidate working_dir resolution into Cli methodnsfisis
2026-05-05feat(core): add Composer struct mirroring requireComposer/tryComposernsfisis
Introduce mozart_core::composer::Composer with require()/try_load() constructors and a config() accessor, modelled on PHP Composer's BaseCommand::requireComposer / tryComposer. ComposerConfig and composer_home move into mozart-core so Composer::load can resolve placeholders consistently. Migrate dump-autoload, archive, exec and run-script away from ad-hoc composer.json reads. exec and run-script now fail when composer.json is missing instead of silently falling back to "vendor/bin", matching the upstream requireComposer contract. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-05chore(clear-cache): remove verbose type declarationnsfisis
2026-05-05feat(vcs): use Composer-compatible URL-sanitize cache keysnsfisis
Previously each VCS mirror was keyed by sha1(url), which made cache directories opaque and incompatible with Composer's layout. Composer's GitDriver and GitDownloader both use the form Preg::replace('{[^a-z0-9.]}i', '-', Url::sanitize(\$url)), so a Mozart user migrating from Composer (or vice versa) could not share an existing cache. Reimplement GitUtil::sanitize_url to follow that pattern: redact credentials and access tokens (Url::sanitize semantics, including the GitHub token regex), then replace every byte outside [a-zA-Z0-9.] with '-'. The credential redaction also collapses URLs that differ only in their access_token to the same key.
2026-05-05feat(vcs): wire cache-vcs-dir setting through to driversnsfisis
DriverConfig used to expose a generic cache_dir hardcoded to a relative ".cache/mozart/vcs", with each driver appending its own "git"/"hg" subdir. As a result, the cache-vcs-dir setting (and COMPOSER_CACHE_VCS_DIR env var) had no effect on where mirrors were actually stored. Replace cache_dir with cache_vcs_dir, resolving its default the same way Composer does (COMPOSER_CACHE_VCS_DIR → COMPOSER_CACHE_DIR/vcs → XDG/HOME fallbacks), and have GitDriver/HgDriver use it directly. This brings the Mozart cache layout in line with Composer's: a single shared vcs root with one subdirectory per sanitized URL.
2026-05-05feat(cache): include cache-vcs-dir in clear-cache commandnsfisis
Composer's clear-cache deletes cache-vcs-dir alongside repo/files caches, and GCs it via gcVcsCache (TTL-based, top-level subdir deletion, no size cap). Mozart was silently leaving VCS mirrors on disk forever — every clear-cache run grew the cache monotonically. Add cache_vcs_dir to CacheConfig (default {cache-dir}/vcs, env override COMPOSER_CACHE_VCS_DIR), wire it into clear-cache, and add Cache::gc_vcs mirroring Composer's gcVcsCache semantics.
2026-05-05refactor(depends): share execution path with prohibits via do_executensfisis
Mirror composer's BaseDependencyCommand::doExecute by collapsing the duplicated working-dir/load/lookup/print pipeline in depends.rs and prohibits.rs into a single dependency::do_execute helper driven by an `inverted` flag. The clap arg structs stay in their per-command modules and just forward to the shared entry point. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-05refactor(core): centralize version constant in mozart-corensfisis
2026-05-04fix(spdx-licenses): reject leading/trailing whitespace in validatensfisis
Composer anchors its license expression regex with `^...$`, but Mozart's parser tokenizer silently skipped edge whitespace, accepting inputs like " MIT" or "MIT\t". Mirror Composer by rejecting edge whitespace before parsing. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-04refactor(spdx-licenses): remove unused functionsnsfisis
2026-05-04feat(show): expand license output with name, OSI flag, and URLnsfisis
Mirror Composer's Command\ShowCommand::printLicenses(): emit one line per license identifier, expanded to "<full name> (<id>) [(OSI approved)] <url>" when the id is in the SPDX database, or just the id otherwise. The URL is built by mozart-spdx-licenses' new LicenseInfo::url() so the construction lives in the SPDX crate, like Composer's SpdxLicenses::getLicenseByIdentifier().
2026-05-04feat(validate): port ValidatingArrayLoader license checksnsfisis
Mirror Composer's Package\Loader\ValidatingArrayLoader::load() license block: warn on non-string/wrong-shape values, validate the SPDX expression with proprietary→MIT substitution, and surface "extra spaces" diagnostics. Validity is gated on the manifest's `time` field (checked only for releases without a date or within the last 8 days), mirroring Composer's strtotime('-8days') window.
2026-05-04feat(validate): warn on deprecated SPDX license identifiersnsfisis
Mirror Composer's Util\ConfigValidator::validate() license handling: treat empty string and empty array as missing, accept array form, and emit deprecation warnings (with GPL-specific -only/-or-later suggestions) for identifiers flagged deprecated in the SPDX database.
2026-05-04docs: add docs/known-incompatibilities.mdnsfisis
2026-05-04feat(http): honor config.cafile and config.capathnsfisis
Composer's config.cafile/config.capath were accepted by the config command but ignored by every HTTP request. Centralize reqwest client construction in mozart_core::http, pre-load the configured CA bundle at startup, and route every callsite (registry, vcs drivers, diagnose, self-update) through the shared builder so user-supplied roots are actually used during HTTPS verification.
2026-05-04refactor(metadata-minifier): remove unused function, MetadataMinifier::minify()nsfisis
2026-05-04test(resolver): scaffold PoolBuilder fixture suite from Composernsfisis
Port the 31 .test fixtures under composer/tests/Composer/Test/DependencyResolver/Fixtures/poolbuilder/ as #[ignore]'d cases in mozart-registry/tests/poolbuilder.rs. Each fixture is parsed eagerly so format-level regressions surface immediately, while the runner itself is unimplemented\!() — removing #[ignore] from a case will force the missing pool-build entry point into existence rather than silently mis-run. Generalize mozart-test-harness's split_sections to take a per-format valid-section list and add a poolbuilder parser alongside the installer one.
2026-05-04fix(lockfile): preserve default-branch flag through lock round-tripsnsfisis
ArrayDumper emits `default-branch: true` into the lock for any package that came from a default branch, and ArrayLoader reads it back to synthesize the `9999999-dev` alias inside Locker::getLockedRepository. Mozart was dropping the flag in two places: packagist_version_to_locked_package ignored pv.default_branch when building the lock entry, and locked_package_to_packagist_version hardcoded default_branch=false when re-hydrating a lock-pinned package's metadata for partial updates. The result was that a non-allow-listed default-branch dev package (e.g. f/f in update-changes-url) ended up in the new lock without the marker, so collect_stale_installed_aliases thought its `9999999-dev` alias had been retired and emitted a spurious MarkAliasUninstalled trace.
2026-05-04fix(resolver): expose locked branch-alias entries in the poolnsfisis
Composer's Locker::getLockedRepository runs each locked package through ArrayLoader::load, which materializes any extra.branch-alias as a separate AliasPackage in the locked repository. Mozart was only adding the base locked package to the pool, so a `dev-master` locked entry with branch alias `2.2.x-dev` was invisible to numeric root constraints like `~2.1` on a partial update — the resolver bailed with "no matching package found" even though Composer accepts the same lock. Surface each branch-alias as a sibling pool entry pointing at the base via is_alias_of.
2026-05-04fix(resolver): normalize bare branch atoms to dev-NAME in root aliasesnsfisis
Composer's VersionParser::normalize maps `master`/`trunk`/`default` (with or without `dev-` prefix) to `dev-NAME`, not `9999999-dev`. Mozart was emitting the four-segment 9999999 form for these atoms in normalize_root_alias_atom, so a root require like `dev-master as 1.1.0` recorded its target as `9999999.9999999.9999999.9999999-dev` and never matched the pool's `dev-master` entry — the alias was silently dropped and transitive `^1.1` requires couldn't see the materialized 1.1.0 alias.
2026-05-04fix(update): preserve locked refs and aliases on partial updatensfisis
Partial update of a non-allow-listed dev package now resolves and emits the locked-repo entry verbatim, mirroring Composer's `PoolBuilder`. Three coordinated changes: - resolver: `lock_filter_allows` accepts the locked package's branch- alias normalized versions, not just the base. Without this, root constraints like `~2.1` against a `dev-master` locked package whose branch alias is `2.1.x-dev` failed with "no matching package found". - lockfile: new `lock_pinned_names` field on `LockFileGenerationRequest` routes non-allow-listed packages through `previous_lock_lookup` before `inline_lookup`, so the lock's source/dist references survive even when the inline metadata has moved to a newer commit. - update: `apply_partial_update` skips alias entries — re-pinning their pretty `version` to the base would collapse the alias label and emit a self-referential entry in the new lock's `aliases[]` block. Unblocks partial_update_forces_dev_reference_from_lock_for_non_updated_packages. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-04fix(compat): align repositories/version/platform parsing with Composernsfisis
Three Composer-compat bugs surfaced by the github_issues_9290 fixture, fixed together since they form one resolution path: - RawPackageData.repositories now accepts a JSON object keyed by name, matching RepositoryFactory::createRepos which iterates either int- or string-keyed arrays via PHP foreach. - Version::parse fills every unspecified position of a `.x-dev` branch with 9999999, mirroring VersionParser::normalizeBranch. Previously `2.x-dev` parsed to 2.0.9999999.9999999-dev and failed to satisfy ^2.8. - is_platform_package limits the `php-` family to the closed set {64bit,ipv6,zts,debug} per PLATFORM_PACKAGE_REGEX. Vendor packages like `php-http/client-common` are no longer misclassified. Unblocks github_issues_7051, _8903, _9012, _9290. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-04fix(resolver): rewrite self.version on materialized root aliasesnsfisis
Mirror Composer's `AliasPackage::replaceSelfVersionDependencies`: a base package's `replace` / `provide` / `conflict` link whose constraint matches the base's own version (the resolved form of `self.version`) is duplicated on the alias at the alias's version. A root require like `a/aliased: dev-next as 4.1.0-RC2` paired with `replace: { foo: self.version }` previously left the alias with a `dev-next` constraint, so a transitive `foo ^4.0` requirement saw no numeric provider and the solver bailed. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-04fix(update): run full resolve under --lock to surface alias changesnsfisis
Drop the content-hash-only short-circuit for `--lock` and route the flag through the same updateMirrors flow Composer uses (`UpdateCommand::execute` line 219). Locked packages are pinned at their lock versions, but the resolver still runs and the installer still emits the operation trace — including MarkAliasInstalled lines for aliases the lock declares but installed.json hasn't recorded yet. Three follow-on fixes the new flow needs: - Re-attach `<lock-version> as <alias>` from `lock.aliases` when building the mirrors-mode require list, so the resolver's alias extractor materializes the alias entry. The bare `<version>` form is required because `==<version>` fails Composer's normalize. - Don't `continue` past Action::Skip in the install loop. Composer's Transaction::calculateOperations emits MarkAliasInstalled even when the target package is already at the right version, as long as the alias is missing from installed.json. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-03fix(update): honor symlink:false on path repos during partial updatensfisis
A path repo locked with `transport-options.symlink: false` is in copy-mode and Composer's PoolBuilder keeps that entry pinned at its lock version on a partial update. The previous unconditional skip treated every path-repo dist as "always reload from disk", which caused non-allow-listed copy-mode packages to drift. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-03fix(resolver): extract aliases from complex root-require constraintsnsfisis
Mirror Composer's RootPackageLoader::extractAliases regex so root requires like `1.*||dev-feature-foo as 1.0.2||^2` and `dev-feature-foo, dev-feature-foo as 1.0.2` get every `<X> as <Y>` clause stripped in place and recorded as a separate root alias entry. The previous single-atom strip left the alias inline, where the parser then took the RIGHT side per atom and never matched the actual dev-branch package. Also fix split_and so a comma-separated AND group like `dev-foo, dev-bar` splits into two atoms. The space-only operator-glue heuristic was collapsing it into a single atom because neither half starts with an operator or digit. Splitting on commas first preserves the unambiguous separator while keeping `>= 1.0.0` glued within each comma-part. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-03fix(resolver): cap inline package loads by root require constraintnsfisis
Mirror Composer's PoolBuilder::markPackageNameForLoading: when the root requires a name with a version constraint, loads of that name (seed and transitive) are filtered down to candidates whose own version (or any emitted branch-alias version) satisfies the constraint. Without this, the actual package at a non-matching version slips into the pool alongside a provider satisfying the root require, masking what should be a conflict (provider-gets-picked-together-with-other-version-of- provided-conflict.test). Also restore the Composer v1 compat path in inline_package: when the JSON sets version_normalized to the legacy 9999999-dev sentinel, re-normalize from the human-readable version field so a root require for `dev-master` matches the loaded package. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-03feat(registry): support type: path repositoriesnsfisis
Adds a `mozart-php-serialize` crate (a byte-compatible port of PHP's `serialize()`) and a `mozart-registry::path_repository` module that expands `type: path` entries into synthetic `type: package` repositories. Each synthesized package carries the same SHA-1 dist reference Composer computes (`sha1(\$json . serialize(\$options))`) so the lockfile and trace lines match Composer byte-for-byte. Two latent bugs surfaced once the path-repo flow exercised real resolutions: - `apply_partial_update` swapped path-repo packages back to their locked version, defeating Composer's "path repos always reload" rule (`PoolBuilder` treats them as canonical, not lock-bound). Mirror the path-repo skip already used when constructing `locked_packages`. - `normalize_root_alias_atom` returned the raw input string for stable numeric atoms (e.g. `1.1.1`), so the alias matcher's `input.version \!= alias.version_normalized` check — comparing against pool inputs that carry the 4-segment normalized form — silently never matched. Run the parsed Version through Display so both sides are in the same shape. `install/update::run` gain a `path_repo_base_override: Option<&Path>` parameter for the in-process test harness: Composer's PHPUnit `InstallerTest::setUp` does `chdir(__DIR__)` so relative path-repo URLs resolve against `composer/tests/Composer/Test/`, but the Rust harness writes `composer.json` into a per-test tempdir and can't chdir safely under parallel tests. Production callers pass `None` and resolve against `working_dir`. Greens 3 ignored installer fixtures: partial_update_loads_root_aliases_for_path_repos alias_in_lock alias_in_lock2
2026-05-03fix(update): pattern-match allow-list specifiers and reuse locked metadatansfisis
Three related parity gaps surfaced by the `update-allow-list-patterns` fixture: 1. `mozart-semver`'s wildcard parser turned `*.*` into `>=0 <1` (a single-major range) because stripping the trailing `.*` left `*` in the major slot, which `parse()` quietly read as `0`. Composer reduces such patterns to a plain `*` (unconstrained) — match that and short-circuit when the stripped base is `*`. 2. `expand_wildcards` passed any non-wildcard specifier straight through, so a typo like `notexact/Test` (lock has `notexact/testpackage`) entered the resolver as a real package name and failed lookup. Mirror Composer's regex-based `isUpdateAllowed`/`warnAboutNonMatchingUpdateAllowList`: every specifier — wildcard or not — is matched against locked names *and* current root-require names, with `*` expanded to `.*`, and unmatched specs are warned and dropped instead of forwarded. 3. The lockfile generator's metadata loop hit the empty test repo set when a partial update kept a non-allow-listed package at its locked version that the inline repo no longer advertised, and bailed with "Could not find version". Add a `previous_lock` fallback that synthesizes a `PackagistVersion` straight off the `LockedPackage` so the lock entry's own metadata stays authoritative for packages that aren't moving.
2026-05-03fix(resolver): honor config.audit.block-insecure security-advisory filternsfisis
Mozart silently ignored the `security-advisories` block on inline `type: package` repositories and the `config.audit.block-insecure` audit flag, so a `composer update` succeeded with packages a Composer run would have refused to load. Mirror Composer's `SecurityAdvisoryPoolFilter` for the slice that feeds the pool: - Plumb a `security-advisories` field through `RawRepository` and a `block_insecure` flag through `ResolveRequest`, lifted off `composer.json`'s `config.audit.block-insecure`. - Collect every advisory's `affectedVersions` constraint at resolve time. When `block_insecure` is set and an inline package's normalized version satisfies the constraint, drop it from the pool before solving — root requires with no unaffected candidate then fail with the standard "could not be resolved" error.
2026-05-03fix(update): wire up the bare-keyword mirrors modensfisis
`update lock`, `update nothing`, and `update mirrors` were treated as ordinary full updates: the resolver picked the highest matching version of every root require and the install step rewrote refs from the repository, masquerading transport metadata refreshes as content changes (and accepting brand-new root requires the lock had never seen). Mirror Composer's `setUpdateMirrors(true)` flow: - Detect the bare-keyword form and skip composer.json's require / require-dev entirely; require each locked package by exact version instead. This drops fresh root requires Mozart shouldn't yet honor and pins existing ones to their lock version. - After lockfile generation, walk each new entry and copy the OLD lock's source/dist reference back when the source/dist *type* matches, mirroring `LockTransaction::updateMirrorAndUrls`. URL and mirrors update; ref stays put — so a repo rename or mirror flip emits no Update operation, but a real type change (`hg` → `git`) still does.
2026-05-03fix(install): reject lock when a locked dep's require excludes the rootnsfisis
Mozart's install verification didn't surface the slice of Composer's SAT-verify failure where a locked package's `require` targets the current root by name but the root's `version` no longer satisfies the declared constraint (e.g. lock has `b/requirer` requiring `root/pkg ^1`, root composer.json now ships `2.x-dev`). The install ran package operations against a lock that Composer would have rejected with exit-code 2. Add a targeted check that walks each locked package's requires, looks for ones aimed at the root's name, and fails with the same "found root/pkg[X.x-dev] but it does not match the constraint" pointer Composer prints from `Problem::getPrettyString`.
2026-05-03fix(resolver): strip inline #ref and gate alias trace on alias stabilitynsfisis
Two related parity gaps surfaced by the `alias-with-reference` fixture: 1. A root require like `dev-main#abcd as 1.0.0` left the SAT-side constraint as `dev-main#abcd`, which no candidate matched, so resolution failed before the alias could be materialized. Mirror Composer's `extractAliases` regex (which captures only the constraint up to `#`) and `RootPackageLoader::extractReferences` (which records the hash separately): drop the trailing `#hex` from the resolver-side constraint and from the alias's left-hand side. Lockfile generation already pulls the reference back out of the raw require map for the post-resolve override. 2. `MarkAliasInstalled`'s trace line gated the reference suffix on the *target* package's stability, so a stable alias like `1.0.0` pointing at a dev-branch target rendered as `1.0.0 abcd`. Mirror `AliasPackage::getFullPrettyVersion`: the alias decides on its own whether to append the suffix based on its own normalized version, so a stable alias skips the suffix even when the target is dev.
2026-05-03fix(resolver): reject partial update when locked version fails stabilitynsfisis
A partial update reuses every non-allow-listed locked package as a fixed pool entry, ignoring stability filters. So when a user tightens `minimum-stability` (or drops a `stability-flags` entry the lock used to ride on), Mozart silently kept the rejected version and produced a plan Composer would have failed on. Mirror Composer's `Pool::isUnacceptableFixedOrLockedPackage` path: walk the locked packages before pool construction, surface every entry whose version no longer passes `passes_stability_filter`, and bail with the same "fixed to <v> (lock file version) ... rejected by your minimum-stability" pointer Composer prints from `Problem::getPrettyString`.
2026-05-03fix(update): apply --minimal-changes preferred versions on partial updatensfisis
The previous --minimal-changes wiring only populated the policy's preferred-version map when no packages were named on the CLI, so a partial update like `update foo --with-all-dependencies --minimal-changes` saw an empty map and the resolver picked the highest matching version for transitive deps that should have stayed at their lock version. Mirror Composer's `Installer::createPolicy(minimalUpdate=true)` directly: build the map from the lock and skip only the packages explicitly named by the user (the `updateAllowList`), so deps unlocked transitively by `--with-(all-)dependencies` still prefer their lock version when the constraint allows it.
2026-05-03fix(update): unlock replacer when --with-deps walks a replaced requirensfisis
`expand_with_(direct|all)_dependencies` only looked up dependencies by their literal name in the lock. When a transitive require pointed at a virtual / replaced name (e.g. `replaced/pkg1`) and the lock owned it through another package's `replace` map (e.g. `dep/pkg1` replaces `replaced/pkg1`), the replacer never entered the unlock set. The partial-update resolver then left it pinned at its lock version and silently kept the user on the old release. Mirror Composer's replace branch in `PoolBuilder::loadPackage`: build a `replaced → replacers` index over the lock and route every dep walked during expansion through it before recursing.
2026-05-03fix(update): apply --minimal-changes via policy preferred versionsnsfisis
The previous implementation pinned every resolved package back to its locked version after the resolve, which discarded the new versions the solver had to pick when a root constraint moved off the lock (e.g. a require bumped from `1.*` to `2.*`). The lock effectively never moved, so transitive cascades from a forced root-level update were lost. Mirror Composer's `Installer::createPolicy(forUpdate=true, minimalUpdate=true)` instead: thread the lock's `name → normalized version` map through the policy as `preferred_versions`. The solver now picks the locked version as a tiebreaker when it still satisfies the active constraints, but moves freely when a constraint forces a different version. Drop the post-process hook entirely.
2026-05-03fix(install): reject lock when locked packages conflict with each othernsfisis
Composer's `install` runs a SAT verify over the locked repository so a declared `conflict` between two locked packages (including via a branch-alias or the lock's top-level `aliases` block) fails fast with exit-code 2 and "Your lock file does not contain a compatible set of packages." Mozart skipped that step and proceeded to install both packages. Add a targeted check that walks each locked package's `conflict` map against every name a locked package effectively advertises (own version, `extra.branch-alias` target, lock-level `aliases` entry, `replace` constraint) and bails with the same exit code when a match is found.
2026-05-03fix(resolver): expand root branch-alias and self.version replace linksnsfisis
Two related parity gaps surfaced by the `circular-dependency` fixture: 1. The root's `extra.branch-alias` entry was never materialized in the pool, and root-level `replace`/`provide`/`conflict` constraints written as `self.version` were forwarded verbatim. Mirror Composer's `RootAliasPackage`: resolve `self.version` against the root's declared version for the base entry, then add an extra alias entry (carrying the base links plus a duplicate link per `self.version` original retagged at the alias's version) when the root's version matches an `extra.branch-alias` key. 2. `Pool::matches_package` returned on the first link to a target name even when its constraint did not match the query, hiding any later link to the same target. With the alias above, that masked the second `replace` link tagged at the alias version. Keep iterating when target matches but constraint does not, so a later link can still satisfy.
2026-05-03fix(lockfile): carry abandoned flag through to LockedPackage extrasnsfisis
`packagist_version_to_locked_package` was forwarding only `extra` and `notification-url` into `extra_fields`, so an `abandoned: "<replacement>"` declared in the package metadata never reached the lock. The same-version update detector then saw the lock and installed.json agreeing on "not abandoned" and skipped the resync, leaving the deprecation state stale on disk. Emit the field when truthy (string or `true`), matching Composer's `ArrayDumper::dump`.
2026-05-03fix(update): mirror Composer's always-include-dev resolution pathnsfisis
Composer's `Installer::doUpdate` hardcodes `includeDevRequires=true` for the first solve, so a `--no-dev` update still considers require-dev during resolution and writes a complete lock file (the flag only gates what gets installed). Mozart was passing `include_dev: dev_mode`, dropping require-dev from both the resolver pool and the lock when `--no-dev` was set, which broke fixtures where a non-dev requirement was satisfied by a package pulled in transitively through require-dev (e.g. `provided/pkg` provided by a require-dev metapackage). Also extend `classify_dev_packages` to walk `provide`/`replace` edges so the production BFS reaches packages that satisfy a `require` virtually, matching what Composer's `extractDevPackages` second-Solver run achieves through a real solve.
2026-05-03fix(install): align partial-update operation order with Composernsfisis
Three coordinated changes to make `update --with-dependencies` produce the same operation trace Composer emits: - LockFileGenerationRequest gains a previous_lock field. When a resolved package matches an entry in the old lock at the same name + version_normalized, its relationship-shaped fields (require / require-dev / conflict / replace / provide / suggest) are carried over verbatim. Source/dist refs and version-shaped fields still refresh from upstream metadata so dev packages can still pick up new commits. Without this carry-over, partial updates regenerated lock entries from upstream COMPOSER repo definitions, which can declare different requires than the lock — and topological_sort then sees a graph Composer's transaction never built. - Transaction's topological_sort and get_root_packages now expand replace/provide targets when matching `require` links to result packages, mirroring Composer's getProvidersInResult. Previously a package was only treated as required when matched by its own name, so packages reached only via replace/provide were mis-classified as roots and the DFS stack visited deps in the wrong order. - compute_operations iterates installed.json in reverse when emitting removals, mirroring Composer's array_unshift onto operations. Two co-orphaned packages otherwise emit removals in the wrong order vs Composer's trace. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-03fix(install): emit reference-suffixed removal and default-branch alias tracensfisis
Composer's UninstallOperation::show renders the package's getFullPrettyVersion(), which for dev packages includes the (truncated) source reference. Mozart was passing only the bare pretty version, so removal lines for dev packages dropped the ref. The MarkAliasUninstalled detection also missed the synthetic 9999999-dev alias that ArrayLoader::getBranchAlias surfaces for default-branch dev packages without an explicit branch-alias. Those aliases were never being retired alongside their targets. The new lock's implicit branch-aliases (from extra.branch-alias and the default-branch fallback) now count as "still present", so packages that remain in the lock don't trigger spurious uninstall traces. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-03fix(update): union lock and repo requires when expanding --with-depsnsfisis
Previously requires_for_name returned the lock entry's requires when the package was already locked, falling back to repo requires only when not. That missed the case where the resolver would pick a *newer* version of the locked package that added a new requirement on another locked package — the new dependency stayed pinned and the upgrade was silently suppressed. Union both sources so every candidate version's requires contribute to the unlock cascade. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>