{"band":"strong","note":"Deterministic layer only. No model calls were made and no source content left this machine.","layer":"deterministic","coverage":{"statement":"A repository answers roughly three and a half of seven dimensions. The rest are reported as not assessable, with the questions a human would ask instead.","languages_read":["1C Enterprise","4D","ABAP","ABAP CDS","AGS Script","AIDL","AL","ALGOL","AMPL","ANTLR","APL","ASL","ASP.NET","ATS","ActionScript","Ada","Agda","Aiken","Aleo","Alloy","AngelScript","Answer Set Programming","Apex","Apollo Guidance Computer","AppleScript","Arc","ArkTS","AspectJ","Assembly","Augeas","AutoHotkey","AutoIt","Awk","B (Formal Method)","B4X","BAML","BQN","Ballerina","Batchfile","Beef","Befunge","Bend","Berry","Bicep","Bison","BitBake","BlitzBasic","BlitzMax","Bluespec","Boo","Boogie","Brightscript","C","C#","C++","C2hs Haskell","C3","CAP CDS","CLIPS","CMake","COBOL","CQL","CWeb","Cadence","Cairo","CameLIGO","Cangjie","Cap'n Proto","Carbon","CartoCSS","Ceylon","Chapel","Charity","ChucK","Circom","Cirru","Clarion","Clarity","Classic ASP","Clean","Click","Clojure","Clue","CodeQL","CoffeeScript","ColdFusion","ColdFusion CFC","Common Lisp","Common Workflow Language","Component Pascal","Crystal","Csound","Csound Document","Csound Score","Cuda","Curry","Cycript","Cypher","Cython","D","DIGITAL Command Language","DM","Dafny","Dart","Daslang","DataWeave","Dhall","Dockerfile","Dogescript","Dylan","E","ECL","EQ","EdgeQL","Elixir","Elm","Elvish","Emacs Lisp","EmberScript","Erlang","F#","F*","FIRRTL","FLUX","FPP","Factor","Fancy","Fantom","Fennel","Filebench WML","Flix","Fluent","Forth","Fortran","Fortran Free Form","FreeBASIC","FreeMarker","Futhark","G-code","GAML","GAMS","GAP","GDB","GDScript","GDShader","GLSL","GSC","Genero 4gl","Genshi","Gentoo Ebuild","Gentoo Eclass","Gherkin","Gleam","Glimmer JS","Glimmer TS","Glyph","Gno","Gnuplot","Go","Golo","Gosu","Grace","Grammatical Framework","Groovy","Groovy Server Pages","HCL","HIP","HLSL","Hack","Harbour","Hare","Haskell","Haxe","HiveQL","HolyC","Hurl","Hy","IDL","IGOR Pro","IL Assembly","ISPC","Idris","ImHex Pattern Language","ImageJ Macro","Imba","Inform 7","Ink","Inno Setup","Io","Ioke","Isabelle","J","JASS","JCL","JFlex","JSONiq","Jac","Jai","Janet","Java","Java Server Pages","Java Template Engine","JavaScript","JavaScript+ERB","JetBrains MPS","Jison","Jison Lex","Jolie","Jsonnet","Julia","Just","KCL","KRL","Kaitai Struct","KakouneScript","Koka","Kotlin","LFE","LLVM","LLVM TableGen","LOLCODE","LSL","LabVIEW","Langium","Lasso","Lean","Leo","Lex","LigoLANG","LilyPond","Linker Script","Liquidsoap","Literate Agda","Literate CoffeeScript","Literate Haskell","LiveCode Script","LiveScript","Lobster","Logos","Logtalk","LookML","Lua","Luau","M","M4","MATLAB","MAXScript","MLIR","MQL4","MQL5","MUF","Macaulay2","Makefile","Mako","Max","MeTTa","Mercury","Metal","MiniD","MiniZinc","Mint","Mirah","Modelica","Modula-3","Module Management System","Mojo","Monkey","MoonBit","MoonScript","Motorola 68K Assembly","Move","Myghty","NASL","NSIS","NWScript","Nearley","NetLinx","NetLinx+ERB","NetLogo","Nextflow","Nim","Nit","Nix","Nu","NumPy","OCaml","OMNeT++ NED","Oberon","Objective-C","Objective-C++","Objective-J","Odin","Omgrofl","Opa","Opal","Open Policy Agent","OpenCL","OpenQASM","OpenSCAD","OverPy","OverpassQL","Ox","Oxygene","Oz","P4","PDDL","PEG.js","PHP","PLSQL","PLpgSQL","POV-Ray SDL","Pact","Pan","Papyrus","Parrot","Parrot Assembly","Parrot Internal Representation","Pascal","Pawn","Pep8","Perl","PigLatin","Pike","PogoScript","Polar","Pony","Portugol","Power Query","PowerBuilder","PowerShell","Praat","Processing","Prolog","Promela","Propeller Spin","Puppet","PureBasic","PureScript","Pyret","Python","Q#","QML","QMake","QuakeC","Quint","R","RAScript","REALbasic","REXX","RPGLE","Racket","Ragel","Raku","Rascal","ReScript","Reason","ReasonLIGO","Rebol","Red","Redcode","RenderScript","Rhai","Ring","RobotFramework","Roc","Rocq Prover","Rouge","Ruby","Rust","SAS","SMT","SQF","SQL","SQLPL","SWIG","Sage","Sail","Salt","Scala","Scenic","Scheme","Scilab","Self","Shell","ShellSession","Shen","Sieve","Slang","Slash","SmPL","Smali","Smithy","Snakemake","Solidity","SourcePawn","Squirrel","Stan","Standard ML","Starlark","Stata","SurrealQL","Swift","SystemVerilog","TI Program","TL-Verilog","TLA","TSX","TXL","Tact","Talon","Tape","Tcl","Tcsh","Thrift","Toit","Tolk","Turing","TypeScript","Unified Parallel C","Uno","UnrealScript","Untyped Plutus Core","UrWeb","VBA","VBScript","VCL","VHDL","Vala","Verilog","Verse","Vim script","Visual Basic .NET","Visual Basic 6.0","Volt","Vyper","WDL","WGSL","WebAssembly","WebIDL","Whiley","Witcher Script","Wolfram Language","Wollok","Wren","X10","XC","XProc","XQuery","XS","XSLT","Xojo","Xonsh","Xtend","YARA","Yacc","Yul","ZAP","ZIL","Zeek","ZenScript","Zephir","Zig","Zimpl","eC","fish","hoon","mIRC Script","mcfunction","mupad","nesC","ooc","sed","wisp","xBase"],"total_dimensions":7,"assessable_dimensions":6},"dimensions":[{"id":"01","band":"strong","name":"Architecture & Codebase — including AI provenance","coverage":"full","findings":[{"id":"01.6","band":"adequate","layer":"deterministic","title":"hscontrol/state/state.go is 3,553 lines, 18× this codebase's median file","signal":"oversized_modules","weight":"corroborating","context":true,"evidence":[{"ref":"line-count","kind":"path","path":"hscontrol/state/state.go","detail":"3,553 lines (18× median)","line_end":3553,"line_start":1},{"ref":"line-count","kind":"path","path":"hscontrol/policy/v2/types.go","detail":"3,360 lines (17× median)","line_end":3360,"line_start":1},{"ref":"line-count","kind":"path","path":"hscontrol/policy/v2/policy.go","detail":"1,913 lines (10× median)","line_end":1913,"line_start":1}],"observed":{"largest":3553,"library":{"n":382,"share":17,"value":18.7,"cutoff":138.63,"material":false,"percentile":85},"threshold":1900,"files_over":3,"median_lines":190},"dimension":"01","rationale":"The median source file here is 190 lines. 3 files exceed 1,900 lines, the largest being 3,553. Size is not a defect on its own — some problems genuinely live in one place — but these are where merge conflicts, review fatigue and single-owner knowledge concentrate, and they are the first thing that slows an inheriting engineer down.","context_why":"A note that does not affect this rating: measured against its own codebase's median, it is below the 85th percentile of 382 surveyed projects' largest files, where this check begins to count."}],"signals_run":11,"conclusive_signals":9,"what_a_person_adds":[{"id":"01.38","kind":"H+","where":"The team","measured":"No architecture or design document is in the tree, across 208 product files.","question":"Where does the design live, and who holds it?"},{"id":"01.39","kind":"H","where":"Your architects, with the product roadmap","question":"Is the architecture right for the next three years of the product?"},{"id":"01.40","kind":"H","where":"The team's reasoning at the time","question":"Were the home-grown components reasonable choices when they were made, and are they now?"}]},{"id":"02","band":"adequate","name":"Engineering Process & SDLC Maturity","coverage":"high","findings":[{"id":"02.17","band":"adequate","layer":"deterministic","title":"CI runs tests that cannot fail the build","signal":"ci_test_gating","weight":"corroborating","evidence":[{"ref":".github/workflows/test-integration.yaml","kind":"path","path":".github/workflows/test-integration.yaml","detail":"a test command that cannot fail","line_end":56,"line_start":56}],"observed":{"soft_test_runs":1},"dimension":"02","rationale":"1 test command in CI ends in `|| true` or an equivalent, so the pipeline passes whatever the tests say. A green build then means the tests ran, not that they passed."}],"signals_run":16,"conclusive_signals":15,"what_a_person_adds":[{"id":"02.32","kind":"H","where":"The code host's pull request data","question":"Is review real or a rubber stamp? Comment depth and time to approve need the pull request history."},{"id":"02.38","kind":"H","where":"The issue tracker: backlog, sprint history, estimate accuracy","question":"Is delivery planned and measured, or heroic?"},{"id":"02.37","kind":"H","where":"Tickets, chat and postmortems","question":"How are incidents run, reviewed and learned from?"}]},{"id":"03","band":"not assessable","name":"Organization & Key-Person Risk","coverage":"partial","findings":[],"signals_run":10,"conclusive_signals":9,"what_a_person_adds":[{"id":"03.29","kind":"H","where":"The deal terms","question":"Which of the people who wrote this are part of the transaction, and for how long after it?"},{"id":"03.28","kind":"H","where":"The team; review history only suggests candidates","question":"Who mentors whom, and would that survive a departure?"},{"id":"03.30","kind":"H","where":"Recruiting data and the org chart","question":"Can the team grow, and who stands behind the top three contributors?"},{"id":"03.31","kind":"H","where":"HR data","question":"Is the seniority mix sound, and will pay survive your salary bands?"},{"id":"03.14","kind":"H","where":"Interviews and on-call history","question":"Is the pace sustainable? Commit times cannot say: git keeps no reliable local time."},{"id":"03.32","kind":"H","where":"Interviews","question":"Does the team want to stay after close?"},{"id":"03.33","kind":"H","where":"Time with the team","question":"How are decisions made and disagreements resolved?"}],"not_assessable_reason":"this repository belongs to a person rather than an organisation, so a finding about one contributor would be about someone the address names; the public report does not carry those, and does not rate this dimension without them","withheld_about_one_person":2},{"id":"04","band":"strong","name":"Product & Engineering Maturity","coverage":"minimal","findings":[{"id":"04.62","band":"adequate","layer":"deterministic","title":"Releases are cut from another branch than the one surveyed","signal":"release_branch","weight":"corroborating","context":true,"evidence":[{"ref":"8106636c7","kind":"commit","detail":"tag v0.29.4"}],"observed":{"elsewhere":13,"on_branch":134,"tags_in_window":147,"direction_known":true,"later_on_branch":0},"dimension":"04","rationale":"The newest release, v0.29.4, is not on the branch this survey read; the newest release on it is v0.29.0. The shipped product may differ from what this report describes. Survey the release branch too.","context_why":"A note that does not affect this rating: notes like it are common in well-run projects."}],"signals_run":19,"conclusive_signals":15,"what_a_person_adds":[{"id":"04.11","kind":"H+","where":"The team","measured":"1,005 commits landed in the last year, against 301 the year before (+234%).","question":"What drove it: new people, a deadline, or code produced faster than before?"},{"id":"04.32","kind":"H","where":"The data room and the team's record of estimates","question":"Can this team deliver the stated roadmap on the stated timeline?"},{"id":"04.31","kind":"H","where":"Budget and roadmap decisions","question":"Does leadership know about the debt, and is time budgeted to repay it?"},{"id":"04.33","kind":"H","where":"Revenue, customer and churn data","question":"Is the engineering shape consistent with the commercial story?"}]},{"id":"05","band":"adequate","name":"Security & Reliability Posture","coverage":"partial","findings":[{"id":"05.3","band":"adequate","layer":"deterministic","title":"6 dependencies float, and no lockfile is committed","signal":"dependency_pinning","weight":"corroborating","context":true,"evidence":[{"ref":"unpinned","kind":"path","path":"docs/requirements.txt","detail":"~=2.1","line_end":null,"verbatim":true,"line_start":1},{"ref":"unpinned","kind":"path","path":"docs/requirements.txt","detail":"~=7.2","line_end":null,"verbatim":true,"line_start":2},{"ref":"unpinned","kind":"path","path":"docs/requirements.txt","detail":"~=1.5","line_end":null,"verbatim":true,"line_start":3},{"ref":"unpinned","kind":"path","path":"docs/requirements.txt","detail":"~=10.1","line_end":null,"verbatim":true,"line_start":4},{"ref":"unpinned","kind":"path","path":"docs/requirements.txt","detail":"~=0.8","line_end":null,"verbatim":true,"line_start":5}],"observed":{},"dimension":"05","rationale":"Dependency versions are declared as ranges and no lockfile is committed, so a build today does not necessarily produce what a build last month produced. That matters twice over in a transaction: the thing being bought cannot be reproduced exactly, and a compromised upstream release arrives without anyone choosing to take it.","context_why":"A note that does not affect this rating: in Borehole's calibration, this check's notes were usually true but overstated."},{"id":"05.13","band":"adequate","layer":"deterministic","title":"2 outbound calls can wait forever","signal":"outbound_timeouts","weight":"corroborating","context":true,"evidence":[{"ref":"gen/client/v1/client.gen.go","kind":"path","path":"gen/client/v1/client.gen.go","detail":"outbound call without a timeout","line_end":445,"line_start":445},{"ref":"gen/client/v2/client.gen.go","kind":"path","path":"gen/client/v2/client.gen.go","detail":"outbound call without a timeout","line_end":354,"line_start":354}],"observed":{"calls_without_timeout":2},"dimension":"05","rationale":"2 HTTP calls use a client with no timeout (Python `requests` without `timeout=`, or Go's default client). When a dependency slows down, each one holds a worker until the connection gives up, and enough of them take the service down with the dependency.","context_why":"A note that does not affect this rating: in Borehole's calibration, this check's notes were usually true but overstated."},{"id":"05.26","band":"adequate","layer":"deterministic","title":"3 locked dependencies have published vulnerabilities, 1 high or critical in what ships","signal":"known_vulnerabilities","weight":"corroborating","evidence":[{"ref":"go.mod","kind":"path","path":"go.mod","detail":"github.com/docker/docker v28.5.2+incompatible: GO-2026-4887 (high)"},{"ref":"go.mod","kind":"path","path":"go.mod","detail":"github.com/opencontainers/runc v1.3.2: GHSA-cgrx-mc8f-2prm (high), fixed in 1.3.3"},{"ref":"go.mod","kind":"path","path":"go.mod","detail":"go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.43.0: GHSA-8wmf-6v46-5gfg (low), fixed in 1.45.0"}],"observed":{"advisories":5,"dependencies":219,"high_or_critical":2,"pinned_to_a_commit":0,"ecosystems_not_read":[],"vulnerable_packages":3,"set_aside_not_imported":20,"high_or_critical_shipping":1},"unproven":true,"dimension":"05","rationale":"3 of 219 locked dependencies match 5 published advisories in OSV, 2 of them rated high or critical. A lockfile says which version is installed, not whether the flawed code is reachable from this product, so each needs a look. Most are fixed by an upgrade, and the advisory names the version. This lockfile pins development tools alongside what ships and does not say which is which, so some of these may never reach a user."}],"signals_run":34,"conclusive_signals":21,"what_a_person_adds":[{"id":"05.43","kind":"H+","where":"The security owner","measured":"No threat model is in the tree of what looks like a running service.","question":"Does one exist elsewhere, and who owns it?"},{"id":"05.41","kind":"H","where":"Ticketing and chat","question":"What has actually broken, how often, and how badly?"},{"id":"05.42","kind":"H","where":"Reports in the data room","question":"What did external testing find, and was it fixed?"},{"id":"05.44","kind":"H","where":"Audit reports; policy files in the tree are not evidence","question":"What is the SOC 2, ISO 27001 or GDPR status, and where is the evidence?"}]},{"id":"06","band":"strong","name":"Observability & Operations","coverage":"partial","findings":[{"id":"06.9","band":"adequate","layer":"deterministic","title":"No error reporter is wired in","signal":"error_reporting","weight":"corroborating","context":true,"evidence":[{"ref":"error reporting","kind":"metric","detail":"no error reporter initialised"}],"observed":{"installed":[],"initialised":0,"config_files":0},"dimension":"06","rationale":"Nothing in the service initialises an error reporter (Sentry, Rollbar, Bugsnag, Honeybadger or an APM agent). An exception in production reaches a person only if someone is reading the logs, which usually means a customer reports it first.","context_why":"A note that does not affect this rating: notes like it are common in well-run projects."}],"signals_run":16,"conclusive_signals":11,"what_a_person_adds":[{"id":"06.19","kind":"H+","where":"The operations team","measured":"Nothing in the tree backs up or restores data.","question":"How is data backed up, and has a restore ever been rehearsed?"},{"id":"06.10","kind":"H+","where":"The alerting tool and the on-call rota","measured":"No alert rule is defined in the repository.","question":"Where are alerts defined, who receives them, and when did one last fire?"},{"id":"06.29","kind":"H","where":"Pager history and dashboard logs","question":"Are the dashboards opened, the alerts acknowledged and the pages answered?"},{"id":"06.30","kind":"H","where":"Production metrics","question":"Are the service-level objectives actually met?"},{"id":"06.31","kind":"H","where":"Pager exports and interviews","question":"Who carries the pager, and how often does it go off?"},{"id":"06.32","kind":"H","where":"Cloud billing and capacity plans","question":"What does it cost to run, and how much headroom is there?"}]},{"id":"07","band":"not assessable","name":"Fit with the Acquirer","coverage":"none","findings":[],"signals_run":0,"conclusive_signals":0,"what_a_person_adds":[{"id":"07.1","kind":"H+","question":"This is primarily a Go codebase. Does your engineering organisation already run Go in production, or would this be the first?"},{"id":"07.10","kind":"H+","question":"The bulk of this system sits in hscontrol/, gen/, cmd/. Which of your existing systems would each of those have to absorb or replace?"},{"id":"07.2","kind":"H+","question":"The repository carries deployment configuration (Dockerfile.derper and 5 more). Does that match your deployment and on-call model, or does it need rehosting first?"},{"id":null,"kind":"H+","question":"What is your tolerance for the findings above remaining unaddressed for the first two quarters after close, given everything else that will compete for this team's time?"},{"id":"07.11","kind":"H","where":"Your architecture","question":"Which of these systems duplicate yours, and which get retired?"},{"id":"07.12","kind":"H","where":"The engagement","question":"What will integration cost, and in what order?"},{"id":"07.13","kind":"H","where":"Your org design","question":"Where does the team land in your organisation, and who reports to whom?"},{"id":"07.14","kind":"H","where":"Deal terms","question":"Are there earn-outs, retention packages or contractor IP to assign?"},{"id":"07.15","kind":"H","where":"Customer contracts","question":"Do customer contracts limit hosting, regions or vendors?"}],"not_assessable_reason":"structurally not assessable from a repository"}],"repository":{"loc":191055,"head":"53113e2a67dbde9a7f5d27c049a631384968934c","slug":"juanfont/headscale","tags":174,"stars":44187,"shallow":false,"span_days":2287.9,"last_commit":"2026-09-26T06:48:10+00:00","surveyed_at":null,"commits_read":4556,"first_commit":"2020-06-21T09:21:07+00:00","truncated_at":null,"window_start":"2020-06-21T09:21:07+00:00","tracked_files":1499,"history_complete":true},"generated_at":"2026-10-05T12:12:49.835006+00:00","generated_by":"borehole 0.7.13","rejection_log":[{"reason":"change is spread across the codebase rather than pooling in a few files","signal":"hotspot_concentration","observed":{"files":4268,"top5_share":0.058},"dimension":"04","conclusive":true},{"reason":"debt markers are sparse","signal":"debt_markers","observed":{"markers":113,"per_kloc":0.59,"lines_read":190452},"dimension":"04","conclusive":true},{"reason":"direct dependency counts are unremarkable","signal":"dependency_sprawl","observed":{"set_aside":{"docs/requirements.txt":"not product code (docs)"},"by_manifest":{"go.mod":52}},"dimension":"04","conclusive":true},{"reason":"test effort kept pace with code written","signal":"test_growth","observed":{"late_test_per_code":2.022,"early_test_per_code":0.853},"dimension":"04","conclusive":true},{"reason":"rework is not rising against new work","signal":"churn_trend","observed":{"late_delete_per_insert":0.571,"early_delete_per_insert":0.618,"single_commit_deletions_set_aside":[]},"dimension":"04","conclusive":true},{"reason":"no pinned runtime version to check","signal":"eol_runtime","observed":{"pinned":0},"dimension":"04","conclusive":false},{"reason":"fixes usually come with a test","signal":"fixes_with_tests","observed":{"fixes":154,"share":0.487,"with_tests":75},"dimension":"04","conclusive":true},{"reason":"fixing is not crowding out building","signal":"fix_share_trend","observed":{"fix_share_by_quarter_newest_first":[0.07,0.08,0.14,0.12,0.16,0.17,0.13,0.26]},"dimension":"04","conclusive":true},{"reason":"no schema migrations to read","signal":"schema_churn","observed":{},"dimension":"04","conclusive":false},{"reason":"little code is kept for the old way","signal":"compat_layers","observed":{"share":0.0,"code_files":164,"compat_files":0,"oldest_months":0},"dimension":"04","conclusive":true},{"reason":"no JavaScript manifest to read","signal":"dependency_redundancy","observed":{},"dimension":"04","conclusive":false},{"reason":"a telemetry or error-reporting library is referenced","signal":"telemetry_presence","observed":{"note":"presence only; whether anyone watches it is not visible here","sample":["go.mod: opentelemetry","go.mod:29: metrics: prometheus","go.mod:30: metrics: prometheus"],"matches":4},"dimension":"06","conclusive":true},{"reason":"a structured logging library is referenced","signal":"structured_logging","observed":{"sample":["cmd/headscale/cli/mockoidc.go","cmd/headscale/cli/root.go","cmd/headscale/cli/users.go"],"matches":46},"dimension":"06","conclusive":true},{"reason":"a health or readiness check is defined","signal":"healthcheck_presence","observed":{"sample":[".github/actions/headscale-up/action.yml: /health","cmd/dev/main.go: /health","gen/client/v1/client.gen.go: /health"]},"dimension":"06","conclusive":true},{"reason":"the service is visible in more than one way","signal":"telemetry_depth","observed":{"kinds":["metrics","structured logs"]},"dimension":"06","conclusive":true},{"reason":"raw prints are few, or outnumbered by logger calls","signal":"print_logging","observed":{"prints":0,"logger_calls":205},"dimension":"06","conclusive":true},{"reason":"a request can be followed through the logs","signal":"correlation_ids","observed":{"tracing":false,"request_id_sites":2},"dimension":"06","conclusive":true},{"reason":"the product's code names no reporting host","signal":"usage_reporting_default","observed":{"settings_on":0,"settings_off":0,"reporting_hosts":[]},"dimension":"06","conclusive":true},{"reason":"no alert rules in the repository; they may live in a console","signal":"alert_rules","observed":{"alert_files":0},"dimension":"06","conclusive":false},{"reason":"no deployment descriptor names an image","signal":"deployed_image_floats","observed":{"images":0},"dimension":"06","conclusive":false},{"reason":"no Kubernetes probes","signal":"probes_identical","observed":{},"dimension":"06","conclusive":false},{"reason":"no Kubernetes deployments","signal":"single_replica","observed":{},"dimension":"06","conclusive":false},{"reason":"environment differences live in configuration","signal":"environment_branching","observed":{"sites":0},"dimension":"06","conclusive":true},{"reason":"releases are marked","signal":"release_markers","observed":{"tags_last_year":28,"release_commits":2,"changelog_commits":124,"commits_last_year":1005},"dimension":"06","conclusive":true},{"reason":"migrations do not run at container start","signal":"migrate_on_start","observed":{},"dimension":"06","conclusive":true},{"reason":"no feature-flag service; flags may live elsewhere","signal":"feature_flags","observed":{"sdk_files":0,"evaluation_sites":0},"dimension":"06","conclusive":false},{"reason":"withheld: this check's result would describe one person","signal":"active_contributors","observed":{},"dimension":"03","conclusive":true},{"reason":"withheld: this check's result would describe one person","signal":"drive_by_contributors","observed":{},"dimension":"03","conclusive":true},{"reason":"withheld: this check's result would describe one person","signal":"contributor_attrition","observed":{},"dimension":"03","conclusive":true},{"reason":"withheld: this check's result would describe one person","signal":"critical_path_ownership","observed":{},"dimension":"03","conclusive":true},{"reason":"withheld: this check's result would describe one person","signal":"second_contributor_attrition","observed":{},"dimension":"03","conclusive":true},{"reason":"withheld: this check's result would describe one person","signal":"bus_factor_trend","observed":{},"dimension":"03","conclusive":true},{"reason":"withheld: this check's result would describe one person","signal":"joiners_and_leavers","observed":{},"dimension":"03","conclusive":false},{"reason":"a meaningful share of recent change carries evidence of review","signal":"merge_discipline","observed":{"merges":0,"window":"last 24 months","with_tracked":127,"with_reviewed":0,"reviewed_share":0.451,"commits_in_window":1334,"squashed_with_pr_ref":272,"with_signed_off_other":82,"reviewed_share_all_time":0.446,"with_committed_by_other":525},"dimension":"02","conclusive":true},{"reason":"CI configuration is present in the working tree","signal":"ci_presence","observed":{"count":23,"configs":[".github/workflows/build.yml",".github/workflows/check-generated.yml",".github/workflows/check-tests.yaml",".github/workflows/container-main.yml",".github/workflows/docs-deploy.yml"]},"dimension":"02","conclusive":true},{"reason":"tests are present in a normal proportion to source","signal":"test_presence","observed":{"tests":238,"source":399,"test_ratio":0.596},"dimension":"02","conclusive":true},{"reason":"tags are present","signal":"release_cadence","observed":{"tags":174,"sample":["backup-cleanup","backup/3203-pre-rebase","backup/pre-msg-rewrite-3169","backup/pre-rebase-20260409-092352","backup/release-v0.29.2-orig"]},"dimension":"02","conclusive":true},{"reason":"commit subjects generally carry content","signal":"conventional_commits","observed":{"sampled":3801,"low_content_share":0.02},"dimension":"02","conclusive":true},{"reason":"process scaffolding is present in the repository","signal":"branch_protection_hints","observed":{"present":["CI workflows","CODEOWNERS","a pull-request template","pre-commit hooks","contribution guidance"]},"dimension":"02","conclusive":true},{"reason":"CI invokes a test runner","signal":"ci_runs_tests","observed":{"sample":[".github/workflows/servertest.yml",".github/workflows/test-integration.yaml"],"configs":23,"with_tests":2},"dimension":"02","conclusive":true},{"reason":"few tests are switched off","signal":"skipped_tests","observed":{"focused":0,"skipped":0,"test_files":1198,"files_with_skips":0},"dimension":"02","conclusive":true},{"reason":"change is rarely undone","signal":"revert_share","observed":{"share":0.0,"reverts":0,"recent_commits":1307},"dimension":"02","conclusive":true},{"reason":"dependencies move with the code","signal":"dependency_update_cadence","observed":{"lockfiles":1,"commits_since":122,"days_since_lockfile_changed":31},"dimension":"02","conclusive":true},{"reason":"tests are not retried until they pass","signal":"flaky_test_markers","observed":{"test_retries":0,"suite_retries":0},"dimension":"02","conclusive":true},{"reason":"a linter or formatter runs in the build","signal":"lint_in_build","observed":{"wired":3,"ci_configs":23,"product_files":164},"dimension":"02","conclusive":true},{"reason":"too few merges to judge (squash and rebase leave none)","signal":"long_lived_branches","observed":{"merges":0},"dimension":"02","conclusive":false},{"reason":"changes arrive in reviewable sizes","signal":"commit_size","observed":{"share":0.036,"commits":1152,"over_2000_lines":42},"dimension":"02","conclusive":true},{"reason":"no commit run met both the rate and the net-addition threshold","signal":"burst_import","observed":{"gap_seconds":180,"min_add_ratio":3.0,"min_net_added":2000,"bursts_by_rate":47,"bursts_by_volume":0},"dimension":"01","conclusive":true},{"reason":"first commit is not a disproportionate share of the codebase","signal":"initial_dump","observed":{"insertions":46,"share_of_insertions":0.0},"dimension":"01","conclusive":true},{"reason":"commit subjects vary in wording and length","signal":"message_uniformity","observed":{"length_stdev":26.86,"repeat_share":0.068},"dimension":"01","conclusive":true},{"reason":"most files were revisited after they were first written","signal":"revision_depth","observed":{"files_seen":204,"write_once_share":0.157},"dimension":"01","conclusive":true},{"reason":"little shipping code is repeated verbatim across files","signal":"duplicated_blocks","observed":{"share":0.003,"product_files":162,"distinct_blocks":29698,"duplicated_blocks":89},"dimension":"01","conclusive":true},{"reason":"errors are rarely thrown away","signal":"swallowed_errors","observed":{"loc":191055,"files":0,"per_kloc":0.0,"swallowed":0},"dimension":"01","conclusive":true},{"reason":"no product Dockerfile to read","signal":"build_reproducibility","observed":{"from_lines":0},"dimension":"01","conclusive":false},{"reason":"no language migration is stalled halfway","signal":"unfinished_migration","observed":{},"dimension":"01","conclusive":true},{"reason":"not a data or machine-learning repository","signal":"notebook_outputs","observed":{},"dimension":"01","conclusive":false},{"reason":"no model weights are committed","signal":"weights_in_git","observed":{"files":0},"dimension":"01","conclusive":true},{"reason":"no credential-shaped strings outside test and fixture paths","signal":"committed_secrets","observed":{"note":"the working tree only; the history is 05.5","patterns":8,"files_read":603,"inert_tokens_set_aside":0,"fixture_matches_ignored":0},"dimension":"05","conclusive":true},{"reason":"at least one standard guard rail is configured","signal":"security_guardrails","observed":{"present":[".github/CODEOWNERS",".pre-commit-config.yaml"]},"dimension":"05","conclusive":true},{"reason":"a licence file is present","signal":"license_present","observed":{"found":true},"dimension":"05","conclusive":true},{"reason":"no Dockerfile to read","signal":"container_runs_as_root","observed":{"dockerfiles":0},"dimension":"05","conclusive":false},{"reason":"no environment file is committed outside tests and examples","signal":"secrets_management_pattern","observed":{"env_files":0},"dimension":"05","conclusive":true},{"reason":"third-party build steps are pinned, or few","signal":"supply_chain_pinning","observed":{"action_refs":106,"pipe_to_shell":0,"unpinned_third_party":2},"dimension":"05","conclusive":true},{"reason":"too few migrations to judge","signal":"migration_reversibility","observed":{"migrations":0},"dimension":"05","conclusive":false},{"reason":"no SQL is assembled from strings in product code","signal":"sql_from_strings","observed":{"files":0,"sites":0,"value_interpolated":0},"dimension":"05","conclusive":true},{"reason":"product code does not build shell commands from strings","signal":"shell_from_strings","observed":{"sites":0},"dimension":"05","conclusive":true},{"reason":"no code-executing deserialiser in product code","signal":"unsafe_deserialization","observed":{"sites":0},"dimension":"05","conclusive":true},{"reason":"no Kubernetes workload manifests","signal":"resource_limits","observed":{"workloads":0},"dimension":"05","conclusive":false},{"reason":"no workload runs privileged or in the host's namespaces","signal":"privileged_workloads","observed":{"sites":0,"behind_a_setting_or_built_here":0},"dimension":"05","conclusive":true},{"reason":"deployment configuration references secrets, never holds them","signal":"credentials_in_deploy_config","observed":{"files":0,"sites":0},"dimension":"05","conclusive":true},{"reason":"not a frontend","signal":"public_env_secret","observed":{},"dimension":"05","conclusive":false},{"reason":"not a frontend","signal":"unsafe_html","observed":{},"dimension":"05","conclusive":false},{"reason":"not a frontend","signal":"source_maps_shipped","observed":{},"dimension":"05","conclusive":false},{"reason":"no signing keystore or profile is committed","signal":"signing_material","observed":{"files":0},"dimension":"05","conclusive":true},{"reason":"not a mobile app","signal":"cleartext_traffic","observed":{},"dimension":"05","conclusive":false},{"reason":"not a data or machine-learning repository","signal":"dataset_provenance","observed":{},"dimension":"05","conclusive":false},{"reason":"no third-party code is committed to this repository, so the licences it depends on are resolved at build time and are not readable here","signal":"license_copyleft_inherited","observed":{"vendored_paths":0},"dimension":"05","conclusive":false},{"reason":"no packaging manifest states a licence","signal":"license_manifest_conflict","observed":{"manifests_checked":["package.json","pyproject.toml","Cargo.toml","composer.json"]},"dimension":"05","conclusive":false},{"reason":"no vendored third-party code is committed","signal":"license_vendored_unlicensed","observed":{"components":0},"dimension":"05","conclusive":true},{"reason":"the licence is recognisable as BSD-3-Clause","signal":"license_grant_unclear","observed":{"class":"permissive","license":"BSD-3-Clause"},"dimension":"05","conclusive":true},{"reason":"no widely used compiled library is committed to the product","signal":"committed_native_libraries","observed":{"libraries":0,"recognised":[]},"dimension":"05","conclusive":true},{"reason":"few or no feature flags in the history","signal":"flags_accumulating","observed":{"live":0,"retired":0,"flags_seen":0,"stale_over_a_year":0},"dimension":"04","conclusive":false},{"reason":"the newer API version is recent; the old one may be on its way out","signal":"api_versions_coexisting","observed":{"live":["v1","v2"],"versions_seen":["v1","v2"],"months_together":3},"dimension":"04","conclusive":true},{"reason":"few deprecations have outlived two years","signal":"deprecations_lingering","observed":{"older_than_two_years":0,"files_with_deprecations":20},"dimension":"04","conclusive":true},{"reason":"few dependencies were added and dropped within 60 days","signal":"dependency_churn","observed":{"dependencies_seen":358,"added_in_two_years":66,"removed_within_60_days":0},"dimension":"04","conclusive":true},{"reason":"no platform was dropped from CI in the last two years","signal":"ci_platforms_dropped","observed":{"platforms_seen":["Linux"],"dropped_in_two_years":[]},"dimension":"04","conclusive":true},{"reason":"the README's first screen states no end, move or freeze","signal":"repository_status","observed":{"statements":0},"dimension":"04","conclusive":true},{"reason":"nothing says development happens elsewhere","signal":"development_elsewhere","observed":{"no_pr_statements":0,"mirror_statements":0,"replayed_commit_share":0.0},"dimension":"02","conclusive":true},{"reason":"the root licence has not changed in the history read","signal":"licence_changes","observed":{"licence_versions":1,"unreleased_changes":0},"dimension":"05","conclusive":true},{"reason":"no directory carries a separate paid-edition licence","signal":"paid_edition","observed":{"directories":0},"dimension":"05","conclusive":true},{"reason":"releases keep pace with development","signal":"releases_stopped","observed":{"median_gap_days":5.5,"days_since_last_tag":2,"commits_last_90_days":178},"dimension":"04","conclusive":true},{"reason":"withheld: this check's result would describe one person","signal":"single_maintainer","observed":{},"dimension":"03","conclusive":true},{"reason":"record incomplete: no advisory found in the sources that answered; NVD: 1 record names headscale with nothing tying it to this repository (CVE-2026-46484)","signal":"project_advisories","observed":{"sources":["OSV by commit","OSV Go github.com/juanfont/headscale","GitHub repository advisories","NVD"],"affecting":0,"exploited":0,"advisories":1,"version_from":"the newest release tag in the surveyed history","fix_unreleased":0,"sources_failed":[],"version_unknown":1,"high_or_critical":0,"surveyed_version":"0.29.0","record_incomplete":["NVD: 1 record names headscale with nothing tying it to this repository (CVE-2026-46484)"],"affecting_newest_release":0},"dimension":"05","conclusive":false},{"reason":"record incomplete: no advisory against the project in the last 24 months; NVD: 1 record names headscale with nothing tying it to this repository (CVE-2026-46484)","signal":"advisory_record","observed":{"newest":null,"critical":0,"affecting":0,"could_not_tell":0,"last_24_months":0,"sources_failed":[],"high_or_critical":0,"record_incomplete":["NVD: 1 record names headscale with nothing tying it to this repository (CVE-2026-46484)"]},"dimension":"05","conclusive":false},{"reason":"no affecting advisory is on CISA's Known Exploited list","signal":"project_exploited","observed":{"exploited":0},"dimension":"05","conclusive":false}],"schema_version":"1","repository_says":[{"line":null,"path":null,"text":"Releases are cut from another branch than the one surveyed","finding":"04.62"},{"line":1,"path":"AI_POLICY.md","text":"states a policy on AI-generated contributions","phrase":null}],"surveyed_commit":{"says":"The newest release, v0.29.4, is not on the branch this survey read; the newest release on it is v0.29.0","kinds":["not the release line"],"advice":"Read this report as describing that commit, not the release users run. Survey the release branch or tag as well.","newest_release":{"sha":"8106636c7f8d0cf8c9d4fb0beae94415069b768b","tag":"v0.29.4"}},"provenance_disclosure":{"agents":["Claude","CodeRabbit","Cursor","GitHub Copilot"],"recent":{"since":"2025-09-26","until":"2026-09-26","window":"the last 12 months","measures":"share of lines added in the last 12 months to 2026-09-26 by commits declaring an AI agent as co-author: the same floor as the all-time share, over a shorter window","confidence":"low","ai_line_share":0.0,"total_commits":1006,"ai_commit_share":0.004,"confidence_basis":["8% of non-merge commits carry any trailer at all","low trailer coverage: the convention may not be in consistent use","54% of commits show author/committer date divergence, which is the shape of replayed history that can drop trailers"],"declared_commits":4,"total_lines_added":12902530,"declared_lines_added":330},"window":null,"excluded":"lockfiles, vendored and generated paths are excluded from both measurements so that code nobody wrote cannot move the share","measures":"share of lines added by commits declaring an AI agent as co-author, as a proportion of all lines ever added","confidence":"low","measurable":true,"ai_line_share":0.0,"total_commits":3801,"affects_rating":false,"excluded_lines":58408,"ai_commit_share":0.0016,"confidence_basis":["19% of non-merge commits carry any trailer at all","low trailer coverage: the convention may not be in consistent use","24% of commits show author/committer date divergence, which is the shape of replayed history that can drop trailers","deep scan blamed 1,495 of 1,495 counted files"],"declared_commits":6,"total_lines_added":13085745,"surviving_ai_lines":171,"surviving_measures":"share of lines still present in the working tree that originate in an AI-declared commit; null unless the scan was run with --deep","commit_share_by_year":{"2021":0.0,"2022":0.0,"2023":0.0,"2024":0.0035,"2025":0.0053,"2026":0.0035},"declared_agent_names":["Claude","CodeRabbit","Cursor","GitHub Copilot"],"declared_lines_added":348,"surviving_line_share":0.0,"floor_not_measurement":"This is a lower bound. It counts what the repository declares. Undeclared AI authorship is invisible here, and a single rebase removes the trailers this rests on. Absence of a declaration is absence of disclosure, not absence of AI authorship.","surviving_total_lines":12211785},"reliance":"An automated reading of a repository's code and its history up to one commit, with public advisory records. It may be wrong, it is not legal, financial, investment or security advice, and it does not replace diligence by a qualified person. It is provided for information: nobody may rely on it (Borehole's terms, section 3).","published_under_todays_rules":["2 findings from checks Borehole's calibration found wrong more often than right are no longer published."]}