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Full Gradle support in agent, hosted and vendored modes - #646

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Mikola Lysenko (mikolalysenko) wants to merge 66 commits into
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Mikola Lysenko (mikolalysenko) wants to merge 66 commits into
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feat/gradle-support

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@mikolalysenko Mikola Lysenko (mikolalysenko) commented Oct 3, 2026 •

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Brings Gradle up to parity with the other JVM ecosystems across all three patch modes.

What each mode now does for Gradle

  • Agent: discovers Gradle's module cache (~/.gradle/caches/modules-2/files-2.1, honoring GRADLE_USER_HOME) through the shared jvm_cache seam, so scan, get, apply and rollback find and patch Gradle-resolved artifacts in place.
  • Hosted: wires the hosted repository into Gradle builds automatically (no more manual-only setup), including the suffixed .module metadata so Gradle's metadata-first resolution picks up patched artifacts.
  • Vendored: closes several gaps in vendored Gradle output (vendored repo layout, Gradle module metadata, checksum/verification handling and revert), so vendored builds resolve the patched jars offline.

Dependency

Depends on SocketDev/depscan#27220 for serving suffixed .module files (and the mavenModuleSha256 grant identifier). Without it the CLI degrades gracefully and reports redirect_gradle_module_metadata_unavailable instead of failing.

Test coverage

  • Lean PR tier in ci.yml: ubuntu x 4 Gradle majors (6, 7, 8, 9).
  • Full grid in gradle-compatibility.yml: 3 OS x 4 Gradle majors x 3 modes (agent / hosted / vendored).

Notes

The sbt session (feat/sbt-support) builds on the same shared jvm_cache seam introduced here.

Closes #347
Closes #348
Closes #349
Closes #395
Closes #396
Closes #428
Closes #429
Closes #461
Closes #487
Closes #511
Closes #533
Closes #551

🤖 Generated with Claude Code


Note

Medium Risk
Large new surface area that rewrites Gradle caches and project settings/locks; behavior is guarded and heavily e2e-tested, but mistakes could leave builds silently unpatched or corrupt user Gradle files.

Overview
Adds end-to-end Gradle 6.8+ support (Groovy/Kotlin DSL) across agent, hosted, and vendored modes, treating Gradle-resolved artifacts as Maven PURLs and targeting the Gradle module cache—not just ~/.m2.

Agent mode now patches every copy a build consumes: Gradle files-2.1 hash directories (plus optional read-only cache and mavenLocal()-gated ~/.m2), with guards for dependency verification, RO-cache shadowing, unexpected pristine bytes, transform/jar staleness, and whole-jar swaps for member-keyed records. get / preverify / rollback follow the same multi-copy rules.

Hosted mode replaces the v4 manual snippet with committed wiring: owned .socket/gradle/ script + index, apply lines in settings files, lock rewrites to suffixed versions, and verification-metadata updates; vendored→hosted takeover runs Gradle planner refusals first. Vendored mode gains mixed Maven/Gradle roots, derived metadata, verification fixes, and eject/repair snapshots that include Gradle-owned files.

CI splits a lean ubuntu Gradle PR tier in ci.yml (multi-suite legs, runner JDK selection, conditional Maven) from a new gradle-compatibility.yml nightly grid (OS × Gradle line × agent/hosted/vendor + JDK ceilings, configuration cache, real Central). Docs/contracts (CHANGELOG, CLI_CONTRACT) and .gitattributes cover byte-exact Gradle scripts.

Reviewed by Cursor Bugbot for commit 33f59a9. Configure here.

Introduce crawlers/jvm_cache: one list of JVM project markers, a
layout-tagged cache root (Maven2 / GradleModules2 / Coursier / Ivy) that
MavenCrawler crawls and resolves PURLs through, and a per-build-tool
project_dependency_set provider list. Behavior is unchanged: only the
Maven2 root is populated and no provider is registered yet. Gradle and
sbt support each plug into this seam from their own modules.

Also counts build.gradle.kts and settings.gradle(.kts) as manifest
markers in scan policy, which previously listed only build.gradle.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
The Gradle detect/run/skip helpers, the classpath and lockfile readers,
the project writer and the Windows verbatim-path strip lived inside
e2e_vendor_jvm_build.rs, so every new Gradle suite would have had to copy
them. They move to tests/gradle_build_common/ unchanged in behaviour, and
the module gains what the agent/hosted/vendored suites need: the Gradle
major/minor and JDK banner, Isolated Projects runs, per-DSL project
writers, a configuration-cache-safe printRuntimeClasspath task plus an
assertion on the bytes Gradle actually consumed, a test-only mirror init
script for the fake origins, an autocrlf clone and per-cell probe reports.
The launcher scrub now also drops GRADLE_RO_DEP_CACHE and GRADLE_HOME.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
The Gradle hosted suites drive the same Socket API and suffixed maven2
repository as the real-Maven hosted capstone. The wiremock Server, the
API mounts and the suffixed-pom rewrite move to tests/hosted_maven_common/
behind a Hosted descriptor of the patched GAV and grant, so they can be
reused for other coordinates. e2e_redirect_maven_build keeps its
constants and thin wrappers and behaves exactly as before.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Once the crawlers learn Gradle's user home they resolve it from
GRADLE_OPTS / JAVA_OPTS (-Dgradle.user.home), GRADLE_USER_HOME and
~/.gradle, plus the read-only GRADLE_RO_DEP_CACHE, and m2 from ~/.m2.
Inherited as-is, a developer's warm caches would leak into every test
that does not pin them. The common and prebuilt harnesses now scrub
those variables by default and pin HOME / USERPROFILE to an empty
stand-in (carrying version-manager roots over); a test passes a cache
explicitly when it wants one, and prebuilt_common's fixture server
serves explicit GRADLE_USER_HOME / GRADLE_RO_DEP_CACHE trees as maven2
repositories (with a slot for sbt's COURSIER_CACHE).

Install detection learns the files-2.1/<sha1>/ layout (the jar and the
pom live in different hash dirs), and fabricate_files21 lays out a
Gradle cache under the real sha1 names, padded or with leading zeros
dropped.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Gradle 9 prints `Launcher JVM:` / `Daemon JVM:` instead of `JVM:`, so the
JDK the harness logged and probed was empty on 9.x. The new
SOCKET_PATCH_GRADLE_E2E_ARGS knob appends arguments to every Gradle run,
which is how the compatibility grid's configuration-cache and Isolated
Projects cells reach every suite without per-test plumbing.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
The Gradle suites need artifacts real Central cannot give them on demand:
a victim at two versions with Gradle module metadata and classifier jars,
a transitive range consumer, a parent pom, a BOM, a platform .module that
requires the victim, a buildscript-classpath library whose class prints a
marker from build logic, artifact-level maven-metadata.xml, checksum
sidecars, PGP signatures, and a jar whose sha1 starts with 0 (Gradle drops
that zero from the files-2.1 hash dir).

tests/jvm_fixture_repo/ generates all of it byte-for-byte reproducibly
(stored zip entries with fixed timestamps and permissions, hand-assembled
Java 8 class files, fixed-order JSON/XML, a tabulated MD5) and serves it
from wiremock as FakeCentral, with overlays and a patched-jar route for
the member-keyed swap. Only the signatures of a committed THROWAWAY key,
the key itself and SHA256SUMS are committed; the stability self-test
regenerates the repository on every OS and compares it with SHA256SUMS,
and SOCKET_PATCH_JVM_FIXTURES_REGENERATE=1 re-signs it reproducibly.

gradle_multi_project_fake_central_mirror_smoke_both_dsls resolves the
victim through the test-only mirror init script in both DSLs under
FAIL_ON_PROJECT_REPOS, through a pom range and from the settings
buildscript classpath, and records the hash-dir naming in a probe report.
Locally Gradle 6.9.4, 7.6.6, 8.14.3 and 9.8.0 all name the dir with the
leading zero dropped.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
The Gradle campaign lands its suites package by package, so CI needs the
rows before the tests exist, without letting an empty leg pass forever.

ci.yml: JVM legs carry `jvm_tool` (gradle | maven | sbt). One step picks
the JDK from the runner image (JAVA_HOME_<N>_X64 / _arm64), falling back
to setup-java, and decides whether Maven is needed: Maven legs, and Gradle
legs whose filter selects a Maven-seeded test (gradle_vendor_*,
multi-project); agent / hosted Gradle legs run without it. The PR tier
is the lean table: ubuntu x {6.9.4/11, 7.6.6/17, 8.14.3/21, 9.8.0/21} x
{agent + hosted, vendor + multi-project}, plus the existing windows
8.14.3 multi-project leg. A row's `suite` may list several binaries;
`allow_empty` skips suites that have not landed and tolerates zero tests,
and a Gradle leg without it that runs nothing fails. Probe reports are
uploaded.

gradle-compatibility.yml runs the full grid (3 OSes x 4 lines x 3 modes,
fail-fast off, 60 min) plus JDK-ceiling, configuration-cache, Isolated
Projects (recording only) and real-Central rows, path-filtered on PRs,
nightly and on dispatch. It compiles its own binaries once per OS and
documents the JDK ceilings per Gradle line; 9.8.0 is still current.

ci-e2e-bundle.py learns multi-suite rows, `--suites` and a per-suite
prefix guard: every #[ignore] test of a Gradle suite must start with
gradle_agent_ / gradle_hosted_ / gradle_vendor_ / gradle_multi_project,
the prefixes the rows filter on, or the bundle (and `--check`) fails.
test_ci_gradle_prefixes.py covers the guard (including a stray name) and
forces `allow_empty` off once every suite of a row has landed;
test_ci_e2e_tiers.py pins the PR table, the jvm_tool steps and the grid
expansion.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Two format!-of-a-constant pom heads and a cloned single-element slice in
the files-2.1 self-test; behaviour is unchanged.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
A developer's global commit signing or hooks would break the fixture
commit, and a global autocrlf would change what the clone checks out.
The helper now runs git against an empty global config, and a self-test
pins the result: LF as committed, CRLF in the clone, -text files
untouched.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Gradle support in agent, hosted and vendored mode needs one shared,
filesystem-free model of a Gradle build so every mode reads scripts,
versions and locks the same way and can be tested in memory on every OS.
This starts crate::gradle with the contract the later packages code
against: TextReadFn / ListFn / Env / Os.

- dsl: a comment- and string-aware Groovy/Kotlin tokenizer (copied from
  the vendored planner's lexer and extended: Kotlin raw strings and
  nested comments, `${}` templates with nested strings, decoded escapes,
  BOM handling, strict UTF-8 decode) plus call-site parsing for both
  parenthesised and Groovy command-expression calls.
- eol: CRLF sniffing, re-spelling and line-ending-blind comparison for
  files a core.autocrlf clone checks out with CRLF.
- selector: Gradle's version ordering and selector scheme. Checked
  against real Gradle 6.9.4, 7.6.6, 8.14.3 and 9.8.0, which showed two
  behaviours changed in Gradle 7 (the special-qualifier set, and an
  exclusive upper bound also rejecting qualified versions of the bound,
  so `[1.9,1.10.0)` admits `1.10.0-socket.<hex>` only on 6.x), so the
  comparator and admits take the Gradle major. The golden tables are
  exported for the hosted script's Groovy port, and
  tests/gradle_selector_golden.rs asks real Gradle for every row when
  SOCKET_PATCH_GRADLE_E2E_GRADLE is set.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Discovery and agent mode must find the same Gradle caches Gradle itself
uses, and hosted mode must rewrite locked versions without disturbing
anything else in a lock file.

- home: GradleHome::resolve over an explicit Env (the process-env adapter
  lives with the crawler): -Dgradle.user.home from GRADLE_OPTS then
  JAVA_OPTS (quote-aware per OS, last wins), a non-empty
  GRADLE_USER_HOME, then <home>/.gradle with USERPROFILE first on
  Windows; the files-2.1 cache, the read-only GRADLE_RO_DEP_CACHE copy,
  GRADLE_HOME, and the init-script locations (init.gradle(.kts), both
  init.d directories, sorted as Gradle runs them).
- locks: every gradle.lockfile / buildscript- / settings- lock file and
  legacy gradle/dependency-locks/*.lockfile under a root (pruning build
  output, .gradle, node_modules, .socket and .git, eight levels deep),
  a parser for both formats with empty= and CRLF, and a one-entry
  rewrite that keeps each line's ending and configuration tail and
  merges into an already-locked target version.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Every mode has to reason about the whole build, not only the root
scripts: #461 (exclusiveContent and Android checks that only read the
root build), #428 (vendoring from a subproject), #511 / #533 (range,
rich, catalog and classifier declarations the root-only scan missed)
and #551 (mavenLocal declared in an init script or convention plugin).

ScriptGraph::collect follows, statically and with caps (8 levels of
apply-from / included-build nesting, 512 files, 1 MiB each): the root
settings, literal include forms with implied parents, projectDir and
buildFileName overrides, each project's build script, buildSrc and
literal includeBuild roots with their subprojects and precompiled
convention plugins, literal apply-from targets (including
rootProject.file, file(), new File(rootDir, ..) and "$rootDir/.."
spellings, with a visited set), each build's libs.versions.toml and
versionCatalogs files(..) catalogs, and the caller's init scripts.
Anything it cannot follow (computed paths, URLs, escapes, missing,
oversized or malformed files, caps) lands in `unresolved`, so callers
that must fail safe can.

Queries: settings_includes / project_dirs, subproject_owner for an
ancestor settings file, declarations_of (string, map, Kotlin named and
positional, rich version blocks, `!!`, classifier in all four forms,
catalog entries with version refs), exclusive_content_filters with
filter_claims_group (non-literal or uncompilable rules claim),
android_or_kmp, settings_classpath_has, maven_local (Declared /
NotDeclared / Undetermined), custom_lock_file and wrapper_version.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
print_cp_task's Kotlin branch read a script-level `val`, so the doLast
lambda dragged the script object into the configuration cache and every
--configuration-cache run failed; GRADLE_APP captured the configuration
provider, which the cache serializes as a fixed file collection that
`.get()` then rejects. Both now capture a task-local FileCollection.

A cache reuse also skips the settings script, so the multi-project
capstone only asserts the settings marker when configuration ran
(configuration_reused). A new gradle_multi_project test runs the print
task twice under --configuration-cache in both DSLs on Gradle >= 8.1, so
the "configuration-cache safe" claim is exercised on every vendor leg.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
The guard admitted every Gradle-campaign prefix in every suite, but each
suite only runs under the prefixes its own rows select: a gradle_vendor_
test in the discovery suite, or a gradle_hosted_ test in the agent suite,
passed --check and then ran in no row (or only on the ubuntu PR tier).
GRADLE_SUITE_PREFIXES now maps each suite to its rows' prefixes, and a
test pins that every admitted (suite, prefix) pair is selected by a ci.yml
row and a gradle-compatibility.yml mode.

Both workflows summed passed tests across a leg's suites, so one suite's
tests hid another whose filter selected nothing, and the real-Central row
(filter gradle_vendor_511/487) counted the always-landed
e2e_vendor_jvm_build and failed on every run until WP3 lands. Each landed
suite must now run a test on its own; compat rows take a `suites`
override, and the real-Central row names only e2e_vendor_gradle_build.
The SOCKET_PATCH_GRADLE_E2E_REAL_CENTRAL knob gains its reader,
gradle_build_common::real_central().

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Review found several shapes where the graph gave a confident answer
(mavenLocal NotDeclared, no declarations, "not owned") for builds Gradle
actually configures differently, which would drop ~/.m2 as a root or
miss the vulnerable declaration:

- `mavenLocal { content { … } }` (the Action form, the usual way to
  scope it) now counts as a declaration, not just `mavenLocal(`.
- Scripts a settings script applies are parsed as settings too, spliced
  in at the `apply from` as Gradle runs them, for both the graph and
  subproject_owner. Inside them `file()`, nested `apply from` and catalog
  `files()` resolve against the applied script's own directory while a
  bare `includeBuild 'x'` stays settings-relative (measured on Gradle
  6.9.4, 7.6.6 and 9.8.0).
- include / projectDir statements are applied in source order, and an
  implied child is created under its parent's directory as it stands at
  the include (Gradle puts 🅰️b at modules/a/b after relocating :a).
- Binary plugin sources (.kt/.java/.groovy) of buildSrc and of plugin
  projects in included builds are read as ScriptKind::PluginSource, so a
  `repositories.mavenLocal()` or plugin id in a Plugin<Project> class is
  seen. Product sources of ordinary included builds are not read.
- android_or_kmp also reads catalog `[plugins]` ids, which is the only
  place the id appears for `alias(libs.plugins.android.application)`.
- ScriptGraph::lockfile_paths / locks::lockfile_paths_in list only the
  lock files of the build's own projects, so a hosted rewrite cannot
  touch a nested sample or fixture build the checkout does not include.
  locks::lockfile_paths stays as the whole-tree inventory.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
On Unix the JVM's user.home is the passwd entry's home, not $HOME, and
Gradle derives its user home from it; in container CI jobs the two
differ (HOME=/github/home, pw_dir=/root), so the CLI would scan and
patch a cache Gradle never reads. GradleHome::resolve now prefers the
caller's home_dir (which must be the passwd home) over $HOME on Unix.

A wrapper build runs the init.d of the distribution it unpacked under
<user home>/wrapper/dists, not $GRADLE_HOME's, and custom corporate
distributions ship mavenLocal/mirror scripts there. init_scripts_with
now includes every unpacked wrapper distribution's init.d, and
init_scripts_for / wrapper_init_dirs narrow that to the build's
distributionUrl.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Disassembling VersionRangeSelector / DefaultVersionSelectorScheme (the
same on 6.9.4, 7.6.6 and 9.8.0) showed a range bound cannot hold
whitespace, the single-value form allows whitespace only after its `[`,
and both `[a]` and `[a,a]` become ExactVersionSelector (string
equality). The port's lazy bound pattern accepted `[ 1.1 ]` and inner
spaces, and `[a,a]` compared instead of matching exactly. New golden
rows pin each case, including `[1.01]` NOT admitting `1.1`, and pass
against real Gradle on all four majors.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
…s, home, eol, selectors)

Brings in the pure, I/O-light Gradle layer (DSL scanning, script graph,
lockfiles, Gradle home resolution, EOL handling, version selectors) that
the later work packages build on.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
…ted fixtures, CI Gradle tiers, prefix guard)

WP5a lands the shared real-Gradle test harness, deterministic fake Maven
Central and hosted-API fixtures, the ci.yml jvm_tool scaffold with lean
Gradle rows, and the path-filtered gradle-compatibility.yml grid that the
later mode packages build on.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
aca8b1c routed every cache root through a per-layout match whose
GradleModules2 arms were empty, so `scan --global-prefix
~/.gradle/caches/modules-2/files-2.1` found nothing (before, the plain
.pom walk happened to read the poms there).

Add crawlers/gradle_cache with the files-2.1 layout: a walk over exactly
three literal levels (group keeps its dots, then artifact, version) and
the 1-40 hex digit hash dirs below them, skipping bookkeeping and unsafe
coordinates. Each version dir with `<a>-<v>.{jar,pom,module}` in some
hash dir is one package whose path is the version dir; find_by_purls
resolves the same dirs. hash_eq / pristine compare hash dir names as
40-digit numbers, since some Gradle releases drop the sha1's leading
zeros.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
A Gradle package path is the version dir, but its files live one level
down, each in the hash dir its sha1 names, and the same jar can sit in
two hash dirs after a re-download. Every join site (apply, rollback,
verify, VEX, select_installed_variants) needs the real file locations.

Add gradle_cache::installed_copies, the one layout-agnostic resolver: a
Gradle version dir maps each key's file name to every hash dir holding
it (keys found nowhere stay on the version dir so they verify as not
found); any other path is returned unchanged. installed_copies_detailed
reports the missing keys apart. jvm_cache::locate_artifact lists every
copy of one artifact file per cache layout, and
gradle_cache::stale_derived_copies finds the instrumented and transformed
copies Gradle keeps outside files-2.1, for agent mode to refuse on.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
A Gradle build resolves from its user home's files-2.1 (and the
read-only GRADLE_RO_DEP_CACHE), not ~/.m2, unless something declares
mavenLocal(). Scanning only m2 missed every Gradle-cached package (#349)
and reported m2 contents a Gradle-only build never uses (#551).

Cache roots now come from a JvmEnv (process env by default, an explicit
Env in tests): the Gradle user home resolved like Gradle does it (the
gradle.user.home property, GRADLE_USER_HOME, then the passwd home on
Unix) and the Maven local repository. A Gradle build, or a global scan,
crawls files-2.1 and the read-only cache. m2 stays a scan root for a
pom.xml, a non-Gradle cwd, a global scan, or a Gradle build where the
script graph plus the init scripts that apply (user home, GRADLE_HOME,
and the wrapper's own distribution, wherever distributionBase/Path
unpack it) declare mavenLocal() or cannot rule it out. A custom wrapper
distribution that is not unpacked yet, an unreadable init script or an
unfollowable script reference keeps m2 (undetermined). PURL lookups keep
m2 regardless, since its bytes still serve vendoring and apply.

--global-prefix accepts a Gradle user home, caches/modules-2 or a
read-only modules-2 for the files-2.1 inside them; a Maven repository
named `caches` is left alone. jvm_cache gains all_local_roots for byte
sourcing, gradle_cache the fs/env adapters (fs_text_read, fs_list,
home_from_process_env, init-script reads) the other Gradle packages
share, and locked_gavs for the lock-membership annotation.

The CLI test harness now also pins GRADLE_USER_HOME to the stand-in
home: with Gradle's home taken from the passwd entry, pinning HOME alone
would let a developer's real ~/.gradle into every test.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
scan now says when the Gradle side of discovery is not what the user may
expect, on the run-level warnings[] channel:

- gradle_build_ignores_m2: a Gradle-only build declares no mavenLocal(),
  and modules its locks or patch records name exist only in ~/.m2, which
  the build never resolves from and the scan leaves out (#551).
- gradle_maven_local_undetermined: m2 stays a root because a script or
  init script could not be read literally.
- gradle_user_home_differs: Gradle's home follows the passwd entry, not
  $HOME.

Each Gradle-cached package in packages[] carries an additive inLock
flag from the build's graph-scoped lock files. It only annotates: an
unlocked buildscript or plugin dependency is still reported.

e2e_gradle_discovery_build runs the real binary against fabricated
caches everywhere, and gradle_agent_349_scan_finds_gradle_cache lets
real Gradle fill a fresh user home from the fake Central, then checks
the scan reports the module and that the crawled version dir expands to
the hash dir whose jar Gradle consumed. On 6.9.4, 7.6.6, 8.14.3 and
9.8.0 that dir drops the jar sha1's leading zero.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
get_maven_repo_paths now lists the Maven local repository ahead of the
Gradle caches. Callers that still take the first copy (agent apply's
Maven arm, hosted VEX copies) then keep resolving where they always
did; the Gradle copies remain reachable for the all-copies fan-out that
follows.

e2e_maven's Gradle-marker scan now declares mavenLocal(): a Gradle-only
build without it does not read ~/.m2, so the scan no longer counts the
m2 artifact for it (#551).

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
stale_derived_copies counted any file named after the jar as stale and
stopped silently after 200,000 entries. A copy Gradle rebuilt from the
patched jar has the same name, so the warning could never clear, and a
truncated walk looked exactly like "no stale copies". It now returns
DerivedCopies: copies proven pristine-derived (identical bytes or the
pristine sha1 in a dir or stem) are stale, other same-named files are
unknown, and an entry cap or unreadable entry sets incomplete. The walk
is sorted so it is deterministic.

gradle-wrapper.properties is now read the way java.util.Properties
reads it: ISO-8859-1, whitespace as a separator, escapes and
continuations. A wrapper file that names no distribution, or cannot be
read, marks mavenLocal() undetermined instead of falling back to "no
wrapper", so a custom distribution's init.d cannot drop ~/.m2 silently.

get_maven_repo_paths no longer returns Gradle files-2.1 roots. Its
callers (apply, rollback, vendor, VEX) join file keys onto the package
path. A Gradle version dir holds no files directly, so a Gradle-only
GAV failed with NotFound instead of being skipped as not installed. The
Gradle roots move to the new get_maven_copy_paths for callers that
expand version dirs through installed_copies.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
The vendor baseline pre-check ran verify_file_patch on the crawled
package path, and for a Gradle version dir that always returns
NotFound. It now goes through installed_copies, so any hash-dir copy
that differs from the baseline flags the patch.

inLock is now written only when the cwd's Gradle locks were actually
read. A global run inside a Gradle build reads them too, and a run
outside one has no inLock at all, where it used to report false for
every package. gradle_user_home_differs is skipped under
--global-prefix, because the user home is not used then.

The Gradle warning codes now carry a level in the JSON warnings[]: info
for gradle_maven_local_undetermined and gradle_user_home_differs, warn
for gradle_build_ignores_m2. Human mode prints the info ones as "Note:"
and leaves them out under --silent.

The real-Gradle capstone now takes the package path from the crawler,
over the roots this build scans, and expands that path rather than one
it built itself.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
…copies resolver, init-script-aware m2 gating, artifact locator (#349, #551 roots)

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Agent mode could only patch files that sit directly in a version
directory, so member-keyed Maven records (#264) were unpatchable and a
Gradle files-2.1 version dir verified nothing. patch/jvm_jar classifies
a record as leaf- or member-keyed, verifies jar members against an
explicit jar name (so hosted copies check their suffixed jar), swaps in
the patch service's build of the whole jar after checking every
unpatched member is upstream's, and keeps the original under
.socket/jvm-originals/ where blob cleanup never looks. Rollback restores
that backup byte for byte, or re-downloads a Gradle copy's jar and
accepts it only when it hashes to the copy's hash directory.

Variant selection, verify_patch_record, judge_installed_record and the
hosted copy check now expand Gradle version dirs through
installed_copies, and VEX takes every installed copy of a Maven purl and
reports the ones that do not verify. A Gradle cache copy no longer
counts against a vendored entry, since the vendored build never reads
it.

Maven ~/.m2 .sha1/.md5 files are rewritten only when they matched the
pre-patch bytes, and Gradle cache writes carry Info advisories about
refreshes, daemons and the shared user home. The registry fetch helpers
in vendor/maven_repo.rs become pub(crate) for the upstream fallback.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Vendored Gradle reported success on builds it did not actually patch:
a pom.xml next to a Gradle build skipped the Gradle side (#395), a
subproject was wired as its own root (#428), an autocrlf checkout failed
--check and left the script behind on revert (#429), exclusiveContent and
Android checks only looked at the root build script (#461), pgp-only
verification entries broke the build (#487), ranges downgraded to an
unpatched release because the tree listed no versions (#511), and a
declared classifier stopped resolving (#533).

- detect() reports every build of the root (Detected{maven, gradle}); a
  mixed root is planned through both planners in one transaction, and a
  refusal of either writes nothing. Revert, --check, VEX liveness and
  repair run both halves.
- not_build_root refuses vendor and repair from a Gradle subproject, from
  includes that cannot be read, and from a project configured by an
  ancestor settings file.
- Owned text (script, index, .gitattributes, derived metadata,
  .mvn/maven.config) is compared line-ending blind; new owned
  .socket/gradle/.gitattributes and .socket/vendor/.gitattributes keep
  them out of EOL conversion. A vendor-created settings file is deleted
  once only whitespace is left.
- The planner builds crate::gradle::graph::ScriptGraph and refuses a
  conflicting exclusiveContent or an Android/KMP plugin anywhere it can
  follow (subprojects, convention plugins, apply from, catalogs), naming
  the file; what it cannot follow is degraded.
- A pgp-only metadata entry gets a sha256 beside its <pgp>; --check and
  the parent-chain warning require a checksum when metadata verification
  is on.
- Each vendored GA gets a derived maven-metadata.xml (Gradle version
  order, no lastUpdated), recomputed on revert and deleted with the GA's
  last row. A range is noted; one admitting no vendored version refuses.
- JvmPatch.extra_artifacts serves declared classifiers (and sources when
  found) from the tree; a declared one that cannot be sourced refuses.
- Upstream files come from the crawler's directory and every local JVM
  cache (jvm_cache::locate_artifact over all_local_roots), Gradle copies
  authenticated by their hash directory.
- The settings helpers WP4 needs are pub(crate) and parameterized by
  WiringTarget; the vendored defaults keep the output byte-identical. The
  lexer is crate::gradle::dsl.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Agent mode patched only the first copy of a Maven purl, and Gradle
version directories were joined like ~/.m2 ones, so a GAV cached by
Gradle stayed vulnerable while apply reported success (#551). The Maven
lookup now returns every cache holding a copy (get_maven_copy_paths), and
a JvmScope sorts them into the copies a build consumes, the read-only
cache, and an ~/.m2 a Gradle-only build never reads.

apply patches each consumed copy, expanding Gradle version dirs into the
hash dirs holding the record's files, and swaps the whole jar for
member-keyed records (#264). Each Gradle hazard has its own code:
gradle_verification_metadata_present refuses with nothing written,
gradle_build_ignores_m2 fails an ~/.m2-only GAV, gradle_ro_cache_shadows
fails a run with a read-only copy, gradle_copy_unexpected_bytes leaves a
pristine download of other bytes alone, and gradle_transform_copy_stale
fails a copy whose derived transforms still hold the pristine jar.

rollback groups by (base purl, copy), restores each hash dir and checks
the restored bytes hash to their directory (gradle_rollback_hash_mismatch
otherwise), restores whole jars from their backups, and puts ~/.m2
checksum files back. get narrows release variants over every copy.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
A Gradle build used to get only a paste-able exclusiveContent snippet,
which pinned nothing and claimed a fail-closedness it did not have.
Hosted mode now wires the build itself, ledger-free:

- .socket/gradle/socket-patch.hosted.settings.gradle, static bytes
  pinned by a snapshot test, applied from every build's settings
  (root, buildSrc, literal included builds) with the index digest on the
  apply line so a changed index invalidates the configuration cache;
- .socket/gradle/hosted-index.tsv, one row per GA;
- the base entry of every build's lock files moved to the suffixed
  version, and an existing verification-metadata.xml given the suffixed
  component.

The script routes the suffixed version to its Socket repository with
exclusiveContent, substitutes every request whose selector admits the
base (dependency substitution and eachDependency, through a Groovy port
of gradle::selector), rejects every other candidate at or below the base
and trips on anything that still resolves there or on a jar whose
sha256 is not the pinned one. Versions above the base may resolve.

The planner refuses (writing nothing, printing a per-DSL fallback with
the pin, substitution and reject block under
redirect_gradle_manual_snippet) what it cannot pin safely: same-GAV
grants, Gradle below 6.8, Android/KMP, non-literal includeBuild,
classifier and strictly-excluding declarations, vendored or
exclusive-content conflicts, settings-classpath GAs, third-version or
custom-location locks and a malformed index.

The hosted engine reads the whole script graph and every build's lock
files before the rewrite, and confirms a maven purl in a Gradle build
only from the planner's own report (a pom beside it must pin it too);
Gradle files never confirm by substring. The format registry lists the
Gradle rows in their real roles.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
VEX, rollback, vendor eject and the takeover classifier read hosted
state off the project files, so a Gradle build wired by the hosted
planner has to be discoverable. Each hosted-index row becomes a hosted
ref only while the build consumes it: the owned script is ours (line
endings ignored), every build's settings applies it with the CURRENT
index digest, the row's url is Socket-hosted and names the row's uuid,
every lock entry of the GA is the suffixed version and no build script
moves its lock file. Anything else is patched_ref_invalid.

A Gradle ref never takes the not-installed lockfile basis: the script
lets a version above the base resolve, so only the installed suffixed
copies are evidence. Build scripts and locks are read without the
identity sweep, so a pasted snippet is never mistaken for wiring.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
rollback, remove and the vendor takeover unwind hosted pins through
restore_upstream, which had no Gradle format, so a hosted Gradle pin
could only be refused. Everything the hosted planner wrote is derivable
from its index row, so the restore needs no registry lookup: each lock
entry of the GA moves back from the suffixed version to the base, the
row leaves the index and the suffixed verification component goes when
it is still exactly what the planner wrote (otherwise it stays with
gradle_verification_component_left). The last row takes the index, the
owned script, every apply line (and a settings file left empty) and the
owned .gitattributes (kept while the vendored script lives beside it)
with it; otherwise the apply lines carry the new digest. Line endings
are preserved, and a wire-then-restore round trip is byte-identical.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
scan --mode hosted reverted a still-vendored purl before redirecting it
only for cargo, npm and golang, so a maven purl vendored into a Gradle
build stayed vendored and the hosted planner refused it
(redirect_gradle_vendored_conflict). A vendored JVM entry wired into a
Gradle build is now taken over like the others: its revert unplans the
vendored Gradle wiring first. A pom-only vendored entry is unchanged.

vendor's eject already finds Gradle pins through discovery; its
rollback snapshot now also covers the hosted and vendored Gradle owned
files and verification-metadata.xml, so a failed eject puts them back.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
The hosted script's tripwire hashes the suffixed jar through an artifact
view in afterResolve. A strict view rethrew any resolution failure (a
stale lock, an outage) from the socket-patch script, so the user saw our
script blamed for Gradle's own error; the view is now lenient and only
the pinned-bytes check fails from it.

A failed eject restores its snapshot, but the upstream restore can have
removed .socket/gradle/ along with the hosted files in it, so putting
them back failed with "No such file or directory" and the eject
reported eject_rollback_failed. The snapshot restore now recreates a
file's directory first.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
e2e_redirect_gradle_build drives scan --mode hosted over projects that
resolve the deterministic fake Central, with the Socket repository served
at its production path (the mirror init script maps patch.socket.dev
onto it) and a suffixed .module like the patch service's. Every
assertion is on the jar Gradle consumes. The 38 gradle_hosted_ tests
cover direct, transitive (#347) and range (#511) requests, every lock
mode and Gradle 6's legacy locks (#396), Kotlin (#348), catalogs,
buildscript and buildSrc classpaths, included builds with locks,
repositories modes, verification metadata, platforms and BOMs, outage
and tamper failures, a stale lock, the configuration cache, detached
configurations (recorded), rescan, rollback and remove round trips, an
autocrlf clone (#429), the vendored takeover and eject, VEX before and
after the build, a pasted snippet, the fallback snippets in both DSLs
and the Groovy selector port against the golden tables. All pass on
6.9.4/JDK11, 7.6.6/JDK17, 8.14.3/JDK21 and 9.8.0/JDK21.

With the hosted suite landed, every suite of the ubuntu agent+hosted CI
rows exists, so those rows drop allow_empty (test_ci_gradle_prefixes
requires it).

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Hosted scan reverted a vendored Gradle entry before the hosted planner had
a chance to refuse it (a custom lockFile, a settings-classpath GA, a
same-GAV or incomplete grant), destroying a working vendored patch and
leaving the build on the unpatched upstream. The planner's refusals are
now exposed as gradle::takeover_refusal and checked against the build on
disk before any revert, like the bun, berry and vlt gates.

The restore deleted any settings file left empty after its apply line
went, including an empty settings.gradle the user committed to mark a
build root. A settings file the planner creates now carries a `created`
mark after the digest, and only those are deleted.

A GA locked in a settings-gradle.lockfile (pulled in by a settings plugin)
is refused as a settings-classpath dependency: the hosted script runs
after that classpath resolves, so rewriting the lock broke every build.
Discovery never treats such a lock entry as valid wiring.

The eject snapshot also covers every Gradle build's settings and lock
files, so a failed eject undoes whatever the vendor step wrote there.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
The fallback-snippet tests accepted a script compile error as a "loud"
failure, so a broken Kotlin snippet passed; a direct request must now
resolve the patched jar, and no failure may come from the pasted script.
The configuration-cache test now adds a second index row (a patched
consumer from its own Socket repository) to a cached build and checks the
entry is invalidated and both GAs resolve patched. The stale-lock test
installs the suffixed jar first, so only discovery's lock check can
withhold the attestation. New tests cover a refused vendored takeover
keeping the vendored patch, and a failed eject rolling back a multi-build
project byte-exactly.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
…eject + tripwire guard, lockfile surgery, confirm/discover/restore/takeover (#347 #348 #396)

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
The capstone seeded ~/.m2 through Maven because the crawler could only
read a maven2 repository. Since WP1 the crawler reads Gradle's files-2.1
cache, and the vendor plan sources parent poms and imported BOM metadata
from it, so the seed only hid whether a Gradle-only machine works.

The test now reads the registry jar from the cache the lock-writing
build fills, points the CLI at that GRADLE_USER_HOME, and keeps an empty
m2 so the user's own repository is never consulted. CI no longer
installs Maven for gradle_multi_project rows; only gradle_vendor_395's
mixed root still needs it, so the windows multi-project row now runs
Maven-free. Every Gradle row has landed all its suites, so the
allow_empty note in ci.yml now says none may set it.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Hosted mode now writes Gradle wiring (the owned settings script, its
index, settings apply lines, lock and verification-metadata edits), yet
the contract still described the pasted snippet, and none of the codes
WP1-WP4 added were listed. Consumers dispatch on these codes, so each
needs a stable meaning.

A new "Gradle builds (v5.0)" section covers discovery (with the level
field and inLock), agent mode (including gradle_copy_unexpected_bytes
now failing the run and vex_gradle_derived_cache_unchecked), hosted
confirmation rules, refusals and edit kinds, vendored reasons, and VEX.
The hosted paragraphs and the discovery table point at it.

contract_gradle_codes.rs scans the non-test source of both crates for
Gradle/JVM code literals, the Gradle sidecar advisory variants and the
vendored Gradle reasons, and fails when one is missing from the
contract, so a new code cannot ship undocumented.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
ecosystems.md still said hosted Gradle was a manual snippet that was
fail-closed by repository exclusivity (#347 and #396 showed it was not)
and that Maven sidecars were left stale. It now has a Gradle section on
every mode: discovery and the mavenLocal gate, agent-mode guards
(read-only cache shadowing, transform-copy staleness, daemon locks),
the hosted script and its detached-configuration and module-metadata
limits, vendored mode and VEX. The Maven row and sidecar caveat match
the new behaviour.

docs/testing/README.md gains the Gradle suites, the PR and full-tier
matrix, the probe reports and how to run the suites locally. The
changelog lists the breaking hosted change, the new Gradle support and
the fixed issues. The JVM design doc no longer claims hosted mode is
unchanged.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
The test cut each file at the first `#[cfg(test)]\nmod `, which also
matches out-of-line `#[cfg(test)] mod x;` declarations near the top of
files. That dropped almost all of patch/redirect/mod.rs, maven_crawler.rs,
vex/mod.rs, vendor/mod.rs and others from the scan, and on a CRLF
checkout the needle never matched, so inline test modules were scanned
instead. Fold CRLF to LF and cut only at an inline `mod name {` body.

The vendored-reason scan also missed reasons emitted from
vendor/maven_repo.rs and vendor/jvm/apply.rs (not_build_root,
legacy_maven_root, ide_sources_unavailable, build_file_outside_root,
...). Scan those files too, allow-list the Maven-reactor-only
maven_config_changed, and add self-checks that fail if the scan stops
reaching redirect/mod.rs or maven_repo.rs.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
The gradle-compatibility.yml grid has not run yet, so the Linux and
Windows cells are unverified. The changelog now lists macOS only, and
the ecosystem guide describes the grid's coverage rather than a result.
Widen the changelog once the grid is green.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
…ightly-green proof

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Conflict resolutions keep both sides:

- vex/verify.rs: one installed-tree check. main's
  applied_patches_with_copies (#517, every copy must verify) is the
  single implementation; applied_patches_with_vendor wraps it for the
  one-path map. The PackageCopies trait is dropped. Maven keeps its
  every-consumed-copy check (Gradle hash dirs, member-keyed jars) and
  still lists every failing copy in unpatched_copies; the vendored drift
  probe checks every installed copy except Gradle files-2.1 dirs.
- vex.rs: vex_copy_sets now keeps every copy for non-Maven purls and
  feeds applied_patches_with_copies; the note_warning doc comment is
  back on note_warning.
- apply.rs: apply_maven_base still runs first for Maven; gem and PyPI
  (#538) patch every distinct copy; lockfile-only skips (#555) kept.
- scan/hosted.rs: PyPI (#503) and Gradle JVM takeovers both enabled;
  the takeover refusal returns owned warnings (main) with the Gradle arm.
- redirect/mod.rs: keep both the Gradle uuid sets and bundled_skipped.
- Reblessed poetry_rewrite / pdm_rewrite_shared_parse goldens: they
  digest Debug of RewriteResult, which now has both sides' new fields
  (input digests unchanged).
- CHANGELOG / CLI_CONTRACT: union of both sides' entries.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Comment thread crates/socket-patch-cli/tests/jvm_fixture_repo/mod.rs Fixed
…rces, CodeQL

- gradle-compatibility.yml: Gradle 6.x runs on Java <= 15 (16 needs 7.0),
  so the 6.9.4 ceiling rows use JDK 15.
- .gitattributes: the hosted settings script is include_str!-embedded and
  written byte for byte, so check it out -text like the vendored one
  (Windows autocrlf embedded CRLF bytes).
- e2e_vendor_gradle_build: printSources resolves in a provider, not the
  task action, so the --configuration-cache cell accepts it.
- jvm_fixture_repo: keep the signing-key path out of the gpg assert message.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
…path filter

The core gradle_selector_golden test only ran with a Gradle launcher set,
which no CI job running socket-patch-core tests provides, so the golden
tables were never checked against real Gradle in CI. It moves into
e2e_redirect_gradle_build as gradle_hosted_selector_golden_tables_match_real_gradle,
which every hosted cell runs.

gradle-compatibility.yml's PR path filter now also covers the upstream
restore, sidecar advisories, VEX, hosted engine, the CLI's Gradle join
sites and the shared test harness every grid suite compiles.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
…be hash dirs

- rollback/remove restore a ~/.m2 copy a Gradle-only build no longer reads
  (patched by an earlier apply); skipping it reported success while the
  shared jar stayed patched and remove dropped the record.
- A Gradle version dir holding only some of a leaf record's files is an
  install: apply patches the held files and fails the missing ones as not
  found (as on ~/.m2), and vex keeps the copy so it withholds.
- mismatch_blob_gaps expands Gradle version dirs into their hash dirs, so a
  drifted Gradle copy queues the afterHash blob the Warn policy needs.
- New gradle_m2_may_be_unconsumed warning when a Gradle-only build reading
  mavenLocal() has only the ~/.m2 copy patched.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Hosted:
- A rescan sets the pom and module entries of an existing suffixed
  verification component, so a component written before the service
  served the suffixed .module gains it (Gradle fails verification of the
  .module it then downloads otherwise).
- A new patch of the same GAV drops the replaced patch's verification
  component when it is still as written (else
  redirect_gradle_verification_component_left).
- Locks and strictly versions above the base are no longer conflicts
  (decision 3): only versions at or below the base refuse.
- The fallback snippet follows the owned script's rules (rewrite only
  selectors admitting the base, reject only candidates at or below it,
  no strictly / implementation line) instead of forcing every request
  down to the patched base.
- New redirect_gradle_dynamic_selector_pinned: a dynamic or range
  selector admitting the base is pinned like a lock; docs no longer
  promise VEX withholding for unlocked builds.
- Discovery re-runs the planner's build- and GA-level refusals
  (settings classpath, unresolved includeBuild, Android/KMP, classifier,
  exclusiveContent), so a build changed after the scan stops attesting.

Vendored:
- The verification-file revert is line-ending blind (autocrlf checkouts
  left the patched jar hash behind and broke the upstream build).
- Classifier jars the tree serves get their upstream sha256 in an
  existing verification file (no .asc is served).
- A non-UTF-8 gradle-index.tsv is unreadable, not absent: the revert of
  one patch no longer unwires every other.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
setup-java has no Temurin 15, so the 6.9.4 ceiling rows take Zulu 15; the
CI-tier tests now pin the 6.9 <= 15 ceiling.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
…, snippet, unplan UTF-8)

- rollback/remove: a ~/.m2 copy a Gradle-only build does not read never
  fails the run. One holding foreign bytes, missing a file, or a swapped
  jar with no backup in this project is left as it is with the new
  gradle_m2_copy_not_restored warning, and remove still drops the record.
- Hosted discovery and the planner now agree on a lock above the base:
  the row stays a ref (rollback, remove and list find the pin) and is
  marked Discovery::unattested, which vex omits as
  vex_gradle_lock_above_base. Tested plan -> discovery -> restore.
- latest.release / latest.integration are refused
  (redirect_gradle_latest_selector) instead of reported pinned: the pin
  cannot rewrite them and the build would fail to resolve.
- The fallback snippet substitutes on strictly/require/prefer like the
  owned script, so a prefer-only rich version resolves the patch
  (real Gradle 6.9.4 and 9.8.0, both DSLs).
- Vendored unplan refuses a non-UTF-8 settings script or verification
  file like the index, instead of dropping it and unwiring the rest.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Windows runners intermittently fail a --no-daemon build with
DaemonInitialConnectException ("The first result from the daemon was
empty") before the build reports anything: seen on the agent and hosted
8.14.3 Windows cells of the last two heads, in different tests and steps,
and once more on rerun. The harness now retries that exact launcher
failure (twice at most); every other failure is returned unchanged.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
…iles)

- rollback/remove: an unconsumed ~/.m2 copy whose file exists but cannot
  be read or stat'd is no longer downgraded to
  gradle_m2_copy_not_restored; it may still hold the patched bytes, so
  the run fails and `remove` keeps the record and its before-blobs. Only
  a hash mismatch or a truly absent file (VerifyRollbackResult::is_absent)
  skips the copy.
- hosted Gradle: a settings/build/catalog/lock file the script graph
  reaches that exists but cannot be read as UTF-8 text (non-UTF-8 bytes,
  permissions, not a regular file, content not provided in memory) is
  recorded as unreadable, not absent, in both readers (engine
  read_gradle_files, read_build_from_disk). The planner and the takeover
  check refuse the build with redirect_gradle_build_file_unreadable
  instead of "creating" a one-line settings.gradle over the user's.
- The hosted writer refuses to write a settings file it never read over
  one on disk (defense in depth).
- Tests: chmod-000 unconsumed m2 copy keeps the record; engine test for
  Latin-1 / mode-000 / in-memory unreadable settings; real-Gradle e2e
  (6.9.4, 8.14.3) for a Latin-1 settings.gradle left byte-identical.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

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Cursor Bugbot has reviewed your changes using high effort and found 1 potential issue.

Fix All in Cursor

Bugbot Autofix is ON. A cloud agent has been kicked off to fix the reported issue.

Comment @cursor review or bugbot run to trigger another review on this PR

Reviewed by Cursor Bugbot for commit 33f59a9. Configure here.

for (leaf, info) in files {
let Ok(bytes) = tokio::fs::read(dir.join(leaf)).await else {
continue;
};

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Bare reads can hang on FIFOs

Medium Severity

New Gradle apply and discovery paths read user-writable cache and workspace files with bare tokio::fs::read / std::fs::read instead of open_regular_file or read_regular_to_bytes. A FIFO or device at a jar or script path blocks open(2) forever, so apply or scan can hang with no timeout.

Additional Locations (2)
Fix in Cursor Fix in Web

Triggered by learned rule: Workspace/user-writable file reads must use open_regular_file guard, not bare fs::read

Reviewed by Cursor Bugbot for commit 33f59a9. Configure here.

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Hosted Gradle snippet silently builds the unpatched jar in any project using dependency locking (gradle.lockfile), on every Gradle major and OS Vendored Maven on a project with both pom.xml and build.gradle reports success with no Gradle warning, the Gradle build keeps the unpatched jar, and VEX attests not_affected scan reports success with 0 packages on a resolved Gradle project because the Gradle cache (~/.gradle/caches/modules-2) is never crawled Hosted Gradle snippet is always Groovy DSL, so pasting it into a build.gradle.kts fails to compile Hosted Gradle exclusiveContent snippet is not fail-closed: a transitive request for the base version wins conflict resolution and the unpatched jar is used

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