0e3c17c · 7,193 commits · 2,379 files
Issued 2026-10-03
Nothing significant. Questions worth asking about Organization & Key-Person Risk, Engineering Process & SDLC Maturity.
104 checks ran across 6 assessable dimensions. 1 finding is worth checking first. 7 findings, each with evidence. One dimension cannot be assessed without an acquirer.
Borehole's proprietary scoring is calibrated across hundreds of repositories. Each finding here reads significant, but its check has not yet held up often enough in that calibration to rate significant on its own. If one holds when someone checks it, it is significant.
- 02.3 Tests cover a thin slice of the codebase
- Words about people are today's: bands rather than exact shares, dates or day counts, and what the history measured rather than why.
- 2 findings from checks Borehole's calibration found wrong more often than right are no longer published.
| Dimension | Rating | ||
|---|---|---|---|
| 01 | Architecture & Codebase — including AI provenance | strong | |
| 02 | Engineering Process & SDLC Maturity | adequate | |
| 03 | Organization & Key-Person Risk | adequate | |
| 04 | Product & Engineering Maturity | adequate | |
| 05 | Security & Reliability Posture | strong | |
| 06 | Observability & Operations | not assessable | |
| 07 | Fit with the Acquirer | not assessable |
- 11% of non-merge commits carry any trailer at all
- low trailer coverage: the convention may not be in consistent use
- no widespread author/committer date divergence
- deep scan blamed 2,379 of 2,379 counted files
Architecture & Codebase — including AI provenance
01 · strong · ratings ↑src/Files.App/ViewModels/ShellViewModel.cs is 3,579 lines, 63× this codebase's median file
adequateThe median source file here is 56 lines. 11 files exceed 1,000 lines, the largest being 3,579. 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.
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.
| line-count | src/Files.App/ViewModels/ShellViewModel.cs:1 — 3,579 lines (63× median) |
| line-count | src/Files.App/Views/Layouts/BaseLayoutPage.cs:1 — 1,786 lines (31× median) |
| line-count | src/Files.App/ViewModels/UserControls/SidebarViewModel.cs:1 — 1,477 lines (26× median) |
| line-count | src/Files.App/Views/Layouts/DetailsLayoutPage.xaml.cs:1 — 1,338 lines (23× median) |
| line-count | src/Files.App/ViewModels/UserControls/NavigationToolbarViewModel.cs:1 — 1,330 lines (23× median) |
Respond to this finding
Your response is published beside the finding, not instead of it. A finding you can argue with is the point — and a wrong one is calibration data we want.
An owner's response is removed only when it is unlawful, impersonates someone, publishes personal data or a credential, or is not about the finding. Disagreeing with the report is never a reason. To report a response, or to reach us about one, write to takedown@borehole.dev.
Engineering Process & SDLC Maturity
02 · adequate · ratings ↑Tests cover a thin slice of the codebase
adequate worth checking first22 test files against 1,171 source files (1.9%). This does not measure whether the tests are good, only whether enough of them exist for the codebase to be changed safely by someone who did not write it — which is exactly the situation after an acquisition.
The check that found this reads significant, but it has not yet held up often enough in Borehole's calibration to rate a finding significant on its own. If it holds when someone checks it, this finding is significant.
| test-file-ratio | 22 test files / 1,171 source files |
Respond to this finding
Your response is published beside the finding, not instead of it. A finding you can argue with is the point — and a wrong one is calibration data we want.
An owner's response is removed only when it is unlawful, impersonates someone, publishes personal data or a credential, or is not about the finding. Disagreeing with the report is never a reason. To report a response, or to reach us about one, write to takedown@borehole.dev.
Organization & Key-Person Risk
03 · adequate · ratings ↑The bus factor fell from 3 to 1
adequateYear by year, newest first, the number of people who wrote half the changes was 1, 1, 1, 3. The team narrowed to one person, which is a different risk from one that always was: the code does not say why.
| bus factor by year | 1, 1, 1, 3 |
Respond to this finding
Your response is published beside the finding, not instead of it. A finding you can argue with is the point — and a wrong one is calibration data we want.
An owner's response is removed only when it is unlawful, impersonates someone, publishes personal data or a credential, or is not about the finding. Disagreeing with the report is never a reason. To report a response, or to reach us about one, write to takedown@borehole.dev.
Regular contributors fell from 16 to 10 in a year
adequate7 people who committed regularly the year before made no commits in the last year, and 4 new regular contributors arrived. Ask whether the work they did is still covered.
| regular contributors by year | 16 then 10; 7 stopped committing, 4 began |
Respond to this finding
Your response is published beside the finding, not instead of it. A finding you can argue with is the point — and a wrong one is calibration data we want.
An owner's response is removed only when it is unlawful, impersonates someone, publishes personal data or a credential, or is not about the finding. Disagreeing with the report is never a reason. To report a response, or to reach us about one, write to takedown@borehole.dev.
Product & Engineering Maturity
04 · adequate · ratings ↑1% of bug fixes add or change a test
adequateOf 329 fixes in the last 24 months, 2 touched a test. A fix without the test that would have caught the bug can quietly come back, and the suite never learns from what went wrong.
| fix commits touching tests | 2 of 329 |
Respond to this finding
Your response is published beside the finding, not instead of it. A finding you can argue with is the point — and a wrong one is calibration data we want.
An owner's response is removed only when it is unlawful, impersonates someone, publishes personal data or a credential, or is not about the finding. Disagreeing with the report is never a reason. To report a response, or to reach us about one, write to takedown@borehole.dev.
Security & Reliability Posture
05 · strong · ratings ↑The build runs third-party code it does not pin
adequate7 third-party CI actions are referenced by a tag or branch rather than a commit, so they run whatever that tag points to on the day. Tags have been moved to malicious commits in real supply-chain attacks, and a piped script is whatever the server returns that minute. Pinning to a commit is the fix, and it is small.
A note that does not affect this rating: notes like it are common in well-run projects.
| .github/workflows/cd-sideload-preview.yml | .github/workflows/cd-sideload-preview.yml:46 — action pinned by tag |
| .github/workflows/cd-sideload-preview.yml | .github/workflows/cd-sideload-preview.yml:48 — action pinned by tag |
Respond to this finding
Your response is published beside the finding, not instead of it. A finding you can argue with is the point — and a wrong one is calibration data we want.
An owner's response is removed only when it is unlawful, impersonates someone, publishes personal data or a credential, or is not about the finding. Disagreeing with the report is never a reason. To report a response, or to reach us about one, write to takedown@borehole.dev.
Relicensed: GPL-3.0 → EULA (2018-06-14) → Apache-2.0 (2018-07-13) → LGPL-3.0 (2018-12-27) → GPL-3.0 (2021-01-01) → MIT (2022-02-27)
adequateThe root licence changed 5 time(s). Code taken under earlier terms stays under them; check which terms any fork or customer relied on.
A note that does not affect this rating: a licence change is a fact for the first screen, and only a narrowing of rights within two years of the surveyed commit costs "strong".
| 97dae2311 | LICENSE — Apache-2.0 from 2018-07-13 |
| 79a218cb8 | LICENSE — LGPL-3.0 from 2018-12-27 |
| 7af55bba9 | LICENSE — GPL-3.0 from 2021-01-01 |
| 842013eaf | LICENSE — MIT from 2022-02-27 |
Respond to this finding
Your response is published beside the finding, not instead of it. A finding you can argue with is the point — and a wrong one is calibration data we want.
An owner's response is removed only when it is unlawful, impersonates someone, publishes personal data or a credential, or is not about the finding. Disagreeing with the report is never a reason. To report a response, or to reach us about one, write to takedown@borehole.dev.
Observability & Operations
06 · not assessable · ratings ↑Not rated: only 5 of 16 checks could reach a conclusion here; the rest do not apply to this repository or could not read it. What a person adds here.
Fit with the Acquirer
07 · not assessable · ratings ↑Not rated: structurally not assessable from a repository. What a person adds here.
Check it on the running system
1 check against the running system follow from the findings above: what a buyer's engineer will try, how to run it first, and what to have ready. A paid survey of this repository includes them.
A paid survey of a public repository is also reviewed: a language model reads each finding against the code and withdraws only findings it judges the code contradicts, each listed with its reason. The review is a language model's reading of the findings against the code, and it can be wrong. It never adds a finding, never raises a band, and never removes a finding from a proven check or an advisory that affects the surveyed version.
What a person adds
The survey reads what the repository can show. The code cannot settle these questions, and on them this report states nothing. Each says where its answer lives: your own engineer, the company, or an assessor you choose can settle it. Questions marked measured open with something this repository shows.
Architecture & Codebase — including AI provenance
01 · full coverage- measured No architecture or design document is in the tree, across 2,304 product files. Where does the design live, and who holds it?
- Is the architecture right for the next three years of the product?
- Were the home-grown components reasonable choices when they were made, and are they now?
Engineering Process & SDLC Maturity
02 · high coverage- Is review real or a rubber stamp? Comment depth and time to approve need the pull request history.
- Is delivery planned and measured, or heroic?
- How are incidents run, reviewed and learned from?
Organization & Key-Person Risk
03 · partial coverage- measured 330 people have committed here. Which of them are you acquiring, and which are you replacing?
- Who mentors whom, and would that survive a departure?
- Can the team grow, and who stands behind the top three contributors?
- Is the seniority mix sound, and will pay survive your salary bands?
- Is the pace sustainable? Commit times cannot say: git keeps no reliable local time.
- Does the team want to stay after close?
- How are decisions made and disagreements resolved?
Product & Engineering Maturity
04 · minimal coverage- Can this team deliver the stated roadmap on the stated timeline?
- Does leadership know about the debt, and is time budgeted to repay it?
- Is the engineering shape consistent with the commercial story?
Security & Reliability Posture
05 · partial coverage- What has actually broken, how often, and how badly?
- What did external testing find, and was it fixed?
- What is the SOC 2, ISO 27001 or GDPR status, and where is the evidence?
Observability & Operations
06 · partial coverageNot rated: only 5 of 16 checks could reach a conclusion here; the rest do not apply to this repository or could not read it.
- Are the dashboards opened, the alerts acknowledged and the pages answered?
- Are the service-level objectives actually met?
- Who carries the pager, and how often does it go off?
- What does it cost to run, and how much headroom is there?
Fit with the Acquirer
07 · none coverageNot rated: structurally not assessable from a repository.
- This is primarily a C# codebase. Does your engineering organisation already run C# in production, or would this be the first?
- The bulk of this system sits in src/. Which of your existing systems would each of those have to absorb or replace?
- Nothing in the repository says how this is deployed. Is it shipped as a library, a binary or a service, and if it runs somewhere, who owns that environment?
- 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?
- Which of these systems duplicate yours, and which get retired?
- What will integration cost, and in what order?
- Where does the team land in your organisation, and who reports to whom?
- Are there earn-outs, retention packages or contractor IP to assign?
- Do customer contracts limit hosting, regions or vendors?
A human assessment is Borehole's own paid service, €12,000+ (total price is determined per engagement; travel billed at cost). It is not independent of this report: the same business produced both. It is a separate contract, with its own scope, terms and reliance.
Embed the badge
Tied to this commit and this date, and it fades after 90 days — an honest badge is one that expires. A repository with significant findings gets a neutral "read" badge rather than a red one: the library is where the range is visible, not someone else's README.
[](/r/files-community/files/0e3c17c)If you embed it: link it to the report, remove it if the report is delisted, and do not present it as a certification or an endorsement.
Rejection log — 97 signals that ran and did not fire
Appendix: rejection log — 97 signals that ran and did not fire
Published on purpose. A signal that looked and decided not to fire has told you something, and this is the calibration data behind every threshold above.
Looked, and found nothing — 58
| Signal | What it found |
|---|---|
| 04.hotspot_concentration | change is spread across the codebase rather than pooling in a few filesfiles 19,678 · top5 share 0.023 |
| 04.debt_markers | debt markers are sparsemarkers 49 · per kloc 0.32 · lines read 150,798 |
| 04.test_growth | test effort kept pace with code writtenlate test per code 0.01 · early test per code 0.002 |
| 04.churn_trend | rework is not rising against new worklate delete per insert 0.738 · early delete per insert 0.642 |
| 04.fix_share_trend | fixing is not crowding out building |
| 04.compat_layers | little code is kept for the old wayshare 0.003 · code files 1,149 · compat files 4 |
| 06.telemetry_presence | this repository does not deploy a running service, so instrumentation is not expected of itbasis nothing in this repository deploys a long-running server; if it runs as one, its deployment lives elsewhere · files read 1,220 |
| 06.structured_logging | not a running service; structured logging is not expected of a librarybasis nothing in this repository deploys a long-running server; if it runs as one, its deployment lives elsewhere |
| 06.healthcheck_presence | not a running service, so a health endpoint is not expectedbasis nothing in this repository deploys a long-running server; if it runs as one, its deployment lives elsewhere |
| 06.usage_reporting_default | the product's code names no reporting hostsettings on 0 · settings off 0 |
| 06.migrate_on_start | migrations do not run at container start |
| 03.contributor_concentration | no single contributor dominates the last 24 monthsyears 8.3 · window last 24 months · authors 330 |
| 03.active_contributors | more than one contributor active in the trailing yearall time 330 · active 12mo 35 |
| 03.drive_by_contributors | an open contributor base, where one-commit contributors are normalauthors 330 · one off share 0.533 |
| 03.contributor_attrition | no contributor dominates enough for their absence to matterauthors 330 · top share less than a quarter · top contributor last committed more than six months ago |
| 03.critical_path_ownership | more than one person changes the critical pathsauthors 63 |
| 03.second_contributor_attrition | the second and third contributors are still active |
| 02.merge_discipline | a meaningful share of recent change carries evidence of reviewmerges 0 · window last 24 months · with tracked 0 |
| 02.ci_presence | CI configuration is present in the working treecount 6 |
| 02.release_cadence | tags are presenttags 141 |
| 02.conventional_commits | commit subjects generally carry contentsampled 6,993 · low content share 0.003 |
| 02.branch_protection_hints | process scaffolding is present in the repository |
| 02.ci_runs_tests | CI invokes a test runnerconfigs 6 · with tests 1 |
| 02.skipped_tests | few tests are switched offfocused 0 · skipped 0 · test files 49 |
| 02.ci_test_gating | no test run in CI is written so that it cannot failconfigs 6 |
| 02.revert_share | change is rarely undoneshare 0.009 · reverts 10 · recent commits 1,078 |
| 02.flaky_test_markers | tests are not retried until they passtest retries 0 · suite retries 0 |
| 02.lint_in_build | a linter or formatter runs in the buildwired 2 · ci configs 6 · product files 1,149 |
| 02.commit_size | changes arrive in reviewable sizesshare 0.031 · commits 1,010 · over 2000 lines 31 |
| 01.burst_import | the largest burst was merged pull requests, each developed and reviewed on its own branch (100% of it), which explains the rate: translations arrive from a vendor in bulk, dependencies and generated code are committed whole, a merged pull request is dated when it merged, not when it was written, a branch merged by a merge commit was reviewed as one piece, and an export or mirror tool dates history when it replays itlargest commits 27c616d..f057423 · bursts explained 1 · largest net added 2,558 |
| 01.initial_dump | first commit is not a disproportionate share of the codebaseinsertions 1,006 · share of insertions 0.0006 |
| 01.message_uniformity | commit subjects vary in wording and lengthlength stdev 21.99 · repeat share 0.018 |
| 01.revision_depth | most files were revisited after they were first writtenfiles seen 2,283 · write once share 0.31 |
| 01.duplicated_blocks | little shipping code is repeated verbatim across filesshare 0.0124 · product files 1,149 · distinct blocks 90,730 |
| 01.swallowed_errors | errors are rarely thrown awayloc 151,968 · files 32 · per kloc 0.33 |
| 01.unfinished_migration | no language migration is stalled halfway |
| 01.weights_in_git | no model weights are committedfiles 0 |
| 05.committed_secrets | no credential-shaped strings outside test and fixture pathsnote the working tree only; the history is 05.5 · patterns 8 · files read 1,220 |
| 05.security_guardrails | at least one standard guard rail is configured |
| 05.secrets_in_history | no credential-shaped string was ever added outside test and fixture pathspatterns 8 · truncated False · added lines 1,570,784 |
| 05.secrets_management_pattern | no environment file is committed outside tests and examplesenv files 0 |
| 05.shell_from_strings | product code does not build shell commands from stringssites 0 |
| 05.unsafe_deserialization | no code-executing deserialiser in product codesites 0 |
| 05.tls_verification_off | no TLS verification is switched off in product codefiles 0 · sites 0 · pinned instead 0 |
| 05.known_vulnerabilities | no locked dependency has a published advisoryadvisories 0 · dependencies 50 · high or critical 0 |
| 05.privileged_workloads | no workload runs privileged or in the host's namespacessites 0 · behind a setting or built here 0 |
| 05.credentials_in_deploy_config | deployment configuration references secrets, never holds themfiles 0 · sites 0 |
| 05.signing_material | no signing keystore or profile is committedfiles 0 |
| 05.license_vendored_unlicensed | no vendored third-party code is committedcomponents 0 |
| 05.license_grant_unclear | the licence is recognisable as MITclass permissive · license MIT |
| 05.committed_native_libraries | no widely used compiled library is committed to the productlibraries 0 |
| 04.deprecations_lingering | few deprecations have outlived two yearsolder than two years 2 · files with deprecations 31 |
| 04.repository_status | the README's first screen states no end, move or freezestatements 0 |
| 02.development_elsewhere | nothing says development happens elsewhereno pr statements 0 · mirror statements 0 · replayed commit share 0.0 |
| 05.paid_edition | no directory carries a separate paid-edition licencedirectories 0 |
| 04.releases_stopped | releases keep pace with developmentmedian gap days 17.5 · days since last tag 44 · commits last 90 days 240 |
| 04.release_branch | the newest release was cut from the branch surveyedelsewhere 17 · on branch 118 · tags in window 135 |
| 03.single_maintainer | no file says one person maintains itstatements 0 |
Could not conclude, or did not apply — 39
Not a clean result. Each says why it could not answer here.
| Signal | Why |
|---|---|
| 04.dependency_sprawl | no recognised dependency manifest found |
| 04.eol_runtime | no pinned runtime version to check |
| 04.schema_churn | no schema migrations to read |
| 04.dependency_redundancy | no JavaScript manifest to read |
| 06.telemetry_depth | not expected of it: nothing in this repository deploys a long-running server; if it runs as one, its deployment lives elsewhere |
| 06.print_logging | not expected of it: nothing in this repository deploys a long-running server; if it runs as one, its deployment lives elsewhere |
| 06.correlation_ids | not expected of it: nothing in this repository deploys a long-running server; if it runs as one, its deployment lives elsewhere |
| 06.error_reporting | not expected of it: nothing in this repository deploys a long-running server; if it runs as one, its deployment lives elsewhere |
| 06.alert_rules | not expected of it: nothing in this repository deploys a long-running server; if it runs as one, its deployment lives elsewhere |
| 06.deployed_image_floats | not expected of it: nothing in this repository deploys a long-running server; if it runs as one, its deployment lives elsewhere |
| 06.probes_identical | no Kubernetes probes |
| 06.single_replica | no Kubernetes deployments |
| 06.environment_branching | not expected of it: nothing in this repository deploys a long-running server; if it runs as one, its deployment lives elsewhere |
| 06.release_markers | not expected of it: nothing in this repository deploys a long-running server; if it runs as one, its deployment lives elsewhere |
| 06.feature_flags | no feature-flag service; flags may live elsewhere |
| 03.knowledge_silos | too few substantial top-level directories to read ownership |
| 02.dependency_update_cadence | no lockfile to date |
| 02.long_lived_branches | too few merges to judge (squash and rebase leave none) |
| 01.build_reproducibility | no product Dockerfile to read |
| 01.notebook_outputs | not a data or machine-learning repository |
| 05.dependency_pinning | no manifest whose pinning can be read without a lockfile |
| 05.container_runs_as_root | no Dockerfile to read |
| 05.outbound_timeouts | not a running service |
| 05.migration_reversibility | too few migrations to judge |
| 05.sql_from_strings | not a running service; a library that builds SQL is doing its job |
| 05.resource_limits | no Kubernetes workload manifests |
| 05.public_env_secret | not a frontend |
| 05.unsafe_html | not a frontend |
| 05.source_maps_shipped | not a frontend |
| 05.cleartext_traffic | not a mobile app |
| 05.dataset_provenance | not a data or machine-learning repository |
| 05.license_copyleft_inherited | 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 |
| 05.license_manifest_conflict | no packaging manifest states a licence |
| 04.flags_accumulating | few or no feature flags in the history |
| 04.api_versions_coexisting | not a running service |
| 04.dependency_churn | few dependencies were added and dropped within 60 days |
| 05.project_advisories | record incomplete: no advisory found in the sources that answered; NVD did not |
| 05.advisory_record | record incomplete: no advisory against the project in the last 24 months; NVD did not answer |
| 05.project_exploited | no affecting advisory is on CISA's Known Exploited list |
Anyone can check this report against the authoritative record — click the stamp, or enter 3AT9-T7NP-65X6 at borehole.dev/verify.
The code commits to the 106 checks this run performed, the bands they produced, and the commit they were read at. It does not cover checks written since.
Put the mark in your README
The image is wrapped in a link to the verification page, so a reader can check it rather than take it on trust. If you embed it: link it to the report, remove it if the report is delisted, and do not present it as a certification or an endorsement.
[](https://borehole.dev/verify/3AT9T7NP65X6?via=badge)
A survey is a reading by a particular version of the assessor. Older readings are kept rather than replaced, because a verification mark attests to the survey it was issued for — overwriting one would make every code already in circulation read as tampered.
| Read | Assessor | Findings | Band |
|---|---|---|---|
| 2026-10-03 · shown | borehole 0.7.11 | 9 | adequate |
15 other readings (show)
| 2026-10-04 | borehole 0.7.13 | 9 | adequate |
| 2026-10-03 | borehole 0.7.12 | 9 | adequate |
| 2026-10-02 | borehole 0.7.10 | 9 | adequate |
| 2026-10-01 | borehole 0.7.9 | 9 | adequate |
| 2026-09-30 | borehole 0.7.8 | 9 | adequate |
| 2026-09-29 | borehole 0.7.6 | 9 | adequate |
| 2026-09-28 | borehole 0.7.5 | 9 | adequate |
| 2026-09-28 | borehole 0.7.4 | 9 | adequate |
| 2026-09-27 | borehole 0.7.3 | 9 | adequate |
| 2026-09-27 | borehole 0.7.2 | 9 | adequate |
| 2026-09-27 | borehole 0.7.1 | 9 | adequate |
| 2026-09-26 | borehole 0.7.0 | 9 | adequate |
| 2026-09-26 | borehole 0.6.3 | 11 | adequate |
| 2026-09-26 | borehole 0.6.2 | 11 | adequate |
| 2026-09-25 | borehole 0.6.1 | 10 | adequate |
Where this scan ran
This scan ran on ordinary cloud infrastructure (cloud-run), not in a hardware-isolated confidential VM. Nothing about it is attested by Google.
What an attested survey proves, and what it does not.
What this scan did with the repository — 7 steps
Written by the steps themselves as they ran, not described afterwards. A hand-written account of a data flow drifts the first time somebody changes the flow and not the account.
| At | Step | Detail |
|---|---|---|
| 0.0s | read repository metadata from the GitHub API | authenticated: False |
| 21.9s | cloned the repository to a temporary directory | depth: full |
| 40.2s | read the git history | commits: 7193tracked files: 2379 |
| 258.3s | ran the deterministic checks | blame pass: Trueread working tree: False |
| 258.3s | recorded where this scan ran | attested: Falseenvironment: cloud-run |
| 305.7s | kept the facts, never the source, for re-reading under new checks | |
| 305.7s | deleting the working copy |
Total 305.7s ·source content sent off this machine: none · calls to a language model: 0 · the clone was deleted when the survey ended
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).