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nix-community/NUR

https://github.com/nix-community/NUR · scanned 2026-06-06 01:11 UTC (3 days, 23 hours ago) · 10 languages

44 raw signals (14 security + 30 graph) 44th percentile · Python · tiny (<2K LoC) System graph score 95 (lower by 31)

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UNIFIED Repobility · multi-layer engine · AI coders

Complete repo analysis

Last scanned 3 days, 23 hours ago · v2 · 25 actionable findings from 2 signal sources. 4 repeated signals grouped for readability. Security checks, system graph analysis, and verified AI-agent feedback are merged into one review queue.

JSON
Combined
87.5
/100
Security checks
80
11 findings
System graph
95
77.8% cov · 14 findings
Critical
0
click to filter
Agents
6
0 votes
Crowd
0
reported
Score breakdown â 2026-05-18-v5
Component Sub-score Weight Contribution
structure_score 80.0 0.15 12.00
security_score 95.0 0.25 23.75
testing_score 0.0 0.20 0.00
documentation_score 62.0 0.15 9.30
practices_score 75.0 0.15 11.25
code_quality 80.0 0.10 8.00
Overall 1.00 64.3
Severity distribution — click a segment to filter
Active filters: excluding tests × Reset all
Severity: Critical 0 High 1 Medium 4 Low 10 9-Layer: Software Security Quality Integrity Frontend Hardware Data Network Cicd Source: Security checks 11 System graph 14 Crowd 0 Layer: Quality 15 Security 2 Software 6 Api 1 Frontend 1
Scan summary Quality grade C+ (64/100). Dimensions: security 95, maintainability 80. 14 findings (1 security). 980 lines analyzed.

Showing 15 of 25 actionable findings. 29 raw detector signals were grouped into reader-sized issues. Click TP / FP to vote on a finding's accuracy — votes adjust the confidence weighting and improve detection across the platform.

low Security checks quality Quality conf 1.00 ✓ Repobility [MINED006] Overcatch Baseexception: except BaseException: ... — prevents Ctrl+C and SystemExit from working.
Review and fix per the pattern semantics. See CWE-705 / for context.
ci/nur/update.py:52
low Security checks security Injection conf 1.00 [SEC103] LDAP injection — non-constant search filter: User input concatenated into an LDAP search filter. Attackers inject `*)(uid=*` style payloads to bypass auth or enumerate accounts.
Escape with javax.naming.ldap.Rdn.escapeValue or equivalent. For python-ldap, use ldap.filter.escape_filter_chars. Better: use parameterized search APIs (Spring LdapTemplate filter encoders).
ci/nur/prefetch.py:110
high Security checks quality Quality conf 1.00 ✓ Repobility 4 occurrences `self.repo` used but never assigned in __init__
Method `prefetch` of class `GithubPrefetcher` reads `self.repo`, but no assignment to it exists in __init__ (and no class-level fallback). This raises AttributeError the first time the method runs against an instance.
lines 126, 131, 134, 135
ci/nur/prefetch.py:126, 131, 134, 135 (4 hits)
medium System graph quality Integrity conf 1.00 Network/subprocess call without timeout or try/except — ci/nur/combine.py:29
`subprocess.check_output(...)` here lacks both a `timeout=` arg and an enclosing try/except. This is exactly the class of bug that took down our git-clone earlier (HTTP/2 stream cancel surfaced as a fatal). Add a `timeout=` and wrap in try/except, or use a wrapper that retries.
runtime safetyRobustness
medium System graph quality Integrity conf 1.00 Network/subprocess call without timeout or try/except — ci/nur/path.py:45
`subprocess.check_output(...)` here lacks both a `timeout=` arg and an enclosing try/except. This is exactly the class of bug that took down our git-clone earlier (HTTP/2 stream cancel surfaced as a fatal). Add a `timeout=` and wrap in try/except, or use a wrapper that retries.
runtime safetyRobustness
medium System graph security Coverage conf 1.00 No auth library detected
The scanner did not find any standard auth library (JWT, OAuth, NextAuth, Auth0, etc.). Either auth lives in custom code, in a separate service, or is missing.
auth
medium System graph quality Tests conf 1.00 Very low test-to-source ratio
0 test file(s) for 12 source file(s) (ratio 0.00). Consider adding integration or unit tests for critical paths.
Coverage
low System graph software Dead code candidate conf 1.00 File has no detected symbols: ci/setup.py
Source file with no class/function declarations — possible config, dead code, or scratch file.
low System graph quality Integrity conf 1.00 2 occurrences Near-duplicate function bodies in 2 places
Functions with the same first-5-line body hash: ci/nur/manifest.py:as_json, ci/nur/manifest.py:as_json This is *the* AI-coder failure mode (4× more duplication in vibe-coded repos — see https://jw.hn/ai-code-hygiene). Consolidate or document why they're separate.
2 occurrences
repo-level (2 hits)
duplicatesduplication
low System graph quality Integrity conf 1.00 Near-duplicate function bodies in 3 places
Functions with the same first-5-line body hash: ci/nur/prefetch.py:prefetch, ci/nur/prefetch.py:prefetch, ci/nur/prefetch.py:prefetch This is *the* AI-coder failure mode (4× more duplication in vibe-coded repos — see https://jw.hn/ai-code-hygiene). Consolidate or document why they're separate.
duplicatesduplication
low System graph software Dead code conf 1.00 Possibly dead Python function: combine_command
No callers detected by AST scan in this repo. Could be exported for external callers or a framework handler.
ci/nur/combine.py:177
low System graph software Dead code conf 1.00 Possibly dead Python function: eval_command
No callers detected by AST scan in this repo. Could be exported for external callers or a framework handler.
ci/nur/eval.py:70
low System graph software Dead code conf 1.00 Possibly dead Python function: format_manifest_command
No callers detected by AST scan in this repo. Could be exported for external callers or a framework handler.
ci/nur/format_manifest.py:9
low System graph software Dead code conf 1.00 Possibly dead Python function: index_command
No callers detected by AST scan in this repo. Could be exported for external callers or a framework handler.
ci/nur/index.py:97
low System graph software Dead code conf 1.00 Possibly dead Python function: update_command
No callers detected by AST scan in this repo. Could be exported for external callers or a framework handler.
ci/nur/update.py:30
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