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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outdated-lock-file-fails-install installer fixture.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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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passthrough
- Parse and apply --with temporary constraints to the resolver
- Support inline constraint shorthand (vendor/pkg:1.0.*)
- Reject --lock combined with specific package names
- Filter magic keywords (lock/nothing/mirrors) from package list
- Pass APCu CLI flags through to InstallConfig instead of hardcoding
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Parse the `abandoned` field from Packagist search API responses and
show a "! Abandoned !" warning inline, matching Composer's behavior.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Virtual/meta packages (e.g. "psr/http-client-implementation") don't
exist on Packagist and caused a fatal error during transitive dependency
exploration. These packages are resolved via provides/replaces from
other packages already in the pool, so 404 errors are now skipped.
Also fix PoolBuilder::next_pending() repeatedly returning the same
virtual package name by tracking explored names in a HashSet, since
virtual packages are never added to inputs and the old check
(inputs.any(name)) never matched them.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Replace unreachable\!() with proper @dev suffix output. Although Dev
is normally handled by an early return, this prevents a panic if the
control flow is ever refactored.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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composer-runtime-api, composer-plugin-api, and composer are Composer
pseudo packages that don't exist on Packagist. The resolver was trying
to fetch them remotely (HTTP 404) because PackageName::is_platform()
didn't recognize them and detect_platform() didn't inject them.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Add mozart-sat-resolver crate implementing a CDCL SAT-based dependency
resolver ported from Composer's DependencyResolver. This replaces the
pubgrub library to ensure identical resolution behavior with Composer.
The new crate includes: pool (package storage with integer IDs),
rule/rule_set/rule_set_generator (constraint encoding), decisions
(assignment tracking), rule_watch_graph (2-watched literal BCP),
solver (CDCL loop with conflict analysis and clause learning),
policy (version preference), problem (Composer-style error messages),
and transaction (install/update/uninstall operation computation).
The registry resolver is rewritten to use PoolBuilder → RuleSetGenerator
→ Solver pipeline instead of pubgrub's DependencyProvider trait.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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ComposerVersion used u16 segments (max 65535), causing overflow for
PHP extensions like ext-dom (version 20031129). The extension became
invisible to the resolver, failing create-project with "depends on
ext-dom" errors.
Use mozart_semver::Version (u64 segments) directly as pubgrub's
version type, eliminating the overflow and redundant conversion layer.
Also fixes Ord for patch pre-releases (patch1 > stable) and adds
Display impl required by pubgrub.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Rename mozart-constraint to mozart-semver (mirrors composer/semver) and
extract mozart-class-map-generator from mozart-autoload (mirrors
composer/class-map-generator). No logic changes.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Composer never shows the internal __root__ identifier to users. Add
root_name field to ResolveRequest so the resolver can substitute the
real package name (e.g. "laravel/laravel") in pubgrub error reports.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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PlatformConfig::new() was hardcoded to PHP 8.1 with a fixed extension
list, causing resolution failures for packages requiring newer PHP
(e.g. Laravel 12 requires >=8.2). Now calls detect_platform() to
discover the actual PHP version, extensions and capabilities.
Also adds a mutex to composer_home_dir tests to prevent env-var races.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Add mozart_core::http::user_agent() that returns a consistent
"Mozart/<version> (<os>; <arch>)" string. Replace all scattered
user-agent definitions across mozart-registry and mozart CLI commands.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Port composer/metadata-minifier to Rust as an independent workspace
crate. Implements expand() and minify() for Packagist's delta-encoded
version metadata. Update mozart-registry to use the new crate for
transparent minified response handling, and add __unset sentinel
support to PackagistVersion deserialization.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Replace reqwest::blocking with async reqwest across the entire codebase.
All command execute functions, registry API calls (packagist, downloader,
resolver, lockfile), and the main entry point now use async/await with
the tokio runtime. The pubgrub resolver runs on spawn_blocking since its
DependencyProvider trait is synchronous, using Handle::block_on for
async I/O within that context.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Extract modules from the single `mozart` crate into 5 focused library
crates to improve compilation parallelism and architectural clarity:
- mozart-constraint: version constraint parser (independent)
- mozart-core: base types, console, validation, platform utilities
- mozart-archiver: archive creation (tar, zip, bzip2)
- mozart-registry: Packagist API, cache, resolver, downloader, lockfile
- mozart-autoload: autoloader generation and PHP scanner
Refactor Console::from_cli and build_cache_config to accept primitive
args instead of &Cli to break circular dependencies. Introduce
[workspace.dependencies] for centralized version management. Remove 9
unused direct dependencies from the CLI crate.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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