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fix(ssh): deduplicate configured host suggestions - #15630
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Included review availability: This review used your included allowance. Your plan provides up to 10 included reviews per hour; 3 remain after this review. 📝 WalkthroughWalkthroughSSH config discovery applies eligible ChangesSSH host discovery and picker filtering
Priority: ➖ Normal Estimated code review effort: 4 (Complex) | ~45 minutes Change: Bug fix Suggested reviewers: Merge Risk: 🔵 Low · up to Some duplicate host suggestions may still show in the SSH picker when a saved target uses a different alias or includes a username or port. This is a low-impact cosmetic issue and does not block merging.
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Docstring coverage is 14.29% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 7 functions across 6 files. | Write docstrings for the functions missing them to satisfy the coverage threshold. |
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The title clearly identifies the main change: deduplicating configured SSH host suggestions. It is concise and uses a conventional commit format. |
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The description explains the problem, implementation, issue reference, verification results, and remaining UI verification gap. It does not reproduce the required section headings or explicitly docume… |
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ApprovabilityVerdict: Would Approve Macroscope's review found this PR approvable — This is a localized SSH suggestion bug fix that resolves configured hostnames, removes duplicate known_hosts entries, and improves autocomplete behavior with matching tests. A residual conditional-Include edge case is identified by an unresolved Medium automated finding, but the change itself remains narrowly scoped without schema, deployment, billing, or static-analysis impact. Not approved because:
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Actionable comments posted: 1
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Inline comments:
Review comments at @apps/web/src/state/desktopSshHosts.ts:
- Around line 17-24: Update the unsavedHosts filter to resolve saved targets and
suggestions before comparing them, and suppress a suggestion only when both
resolved hostnames and effective ports match. Do not use the bare hostname or a
null saved port as a match; preserve the existing alias check and SSH-config
resolution behavior.
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apps/desktop/src/ssh/DesktopSshEnvironment.test.tsapps/web/src/components/settings/ConnectionsSettings.tsxapps/web/src/state/desktopSshHosts.test.tsapps/web/src/state/desktopSshHosts.tspackages/ssh/src/config.test.tspackages/ssh/src/config.ts
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Inline comments:
Review comments at @packages/ssh/src/config.ts:
- Line 15: Update the config-line comment stripping logic so an unquoted #
starts a comment only at the beginning of an argument, preserving hashes
embedded in arguments such as Include paths; add an unquoted-hash Include case
alongside the existing quoted-hash tests.
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packages/ssh/src/config.test.tspackages/ssh/src/config.ts
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🟡 Medium src/config.ts:190
A Host inside a conditional Include can make discovery assign the wrong HostName to an alias and suppress its known_hosts suggestion. At line 190, patterns = rawArgs replaces the enclosing Host condition, so an included Host prod rule is treated as matching prod even when the include was reached only under Host dev. Preserve the enclosing condition alongside inner Host patterns, and keep Match-conditioned includes uncertain.
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In file @packages/ssh/src/config.ts around line 190:
A `Host` inside a conditional `Include` can make discovery assign the wrong `HostName` to an alias and suppress its known_hosts suggestion. At line 190, `patterns = rawArgs` replaces the enclosing `Host` condition, so an included `Host prod` rule is treated as matching `prod` even when the include was reached only under `Host dev`. Preserve the enclosing condition alongside inner `Host` patterns, and keep `Match`-conditioned includes uncertain.
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The desktop SSH host picker listed a configured alias and its
known_hoststarget as separate suggestions. Picking the raw address bypassed the alias's user and other settings, and typing the address only found the raw entry.Discovery now records each alias's
HostNamewith ssh's first-match rule (Host patterns, negation,%h; unresolvable underMatchor other%tokens) and hides aknown_hostsentry whose hostname a configured alias points at. The picker also searches the hostname, and a saved raw address no longer hides a configured alias. Connections still resolve through the alias withssh -G.Fixes #13270.
Verification (Blacksmith): ssh config, desktop SSH environment, and web suggestion tests (16 passing),
vp linton touched files,tsc --noEmitforpackages/sshandapps/web. Desktop picker UI before/after is unverified.Written by claude-opus-5-5 via Claude Code in T3 Code