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fix(update): stream npm install output so postinstall progress is visible (#18840)#27069

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teknium1 merged 1 commit into
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hermes/hermes-baa153c4
May 16, 2026
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fix(update): stream npm install output so postinstall progress is visible (#18840)#27069
teknium1 merged 1 commit into
mainfrom
hermes/hermes-baa153c4

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Salvages @briandevans's #18869 onto current main. PR #27055 already removed the worst offender (@askjo/camofox-browser) from eager root deps, but the remaining root + ui-tui npm installs still ran with --silent + capture_output=True, so any future binary-postinstall package (or agent-browser's Chromium fetch on a fresh install) would still look like hermes update is frozen.

Summary

Drop --silent and pass capture_output=False for the repo-root and ui-tui npm installs in _update_node_dependencies() so npm streams its info run … postinstall lines straight to the terminal. The existing _UpdateOutputStream wrapper mirrors output to ~/.hermes/logs/update.log, so SSH-disconnect safety is preserved.

The web/ install path is intentionally untouched — its build step is short and does not run binary-fetching postinstalls.

Changes

  • hermes_cli/main.py _update_node_dependencies(): drop --silent from repo-root + ui-tui flags, pass capture_output=False. Defensive stderr guard for the streamed path.
  • tests/hermes_cli/test_cmd_update.py: assert the new flag set + assert capture_output is False for repo-root and ui-tui calls. Web install assertion preserved.

Refreshed Brian's comment in main.py to reference agent-browser's Chromium fetch as the remaining example (Camofox is no longer eager after #27055).

Validation

Credit

Authored by @briandevans (#18869). Cherry-picked onto current main with conflict resolution against the recently-evolved test_update_refreshes_repo_and_tui_node_dependencies test. Original PR will be closed with a credit comment after merge.

Closes #18840.
Supersedes #18869.

…ible (#18840)

`hermes update` ran the repo-root and ui-tui npm installs with both
`--silent` and `subprocess.run(..., capture_output=True)`, which hides
all output from optional postinstall scripts.  The largest of those —
`@askjo/camofox-browser`'s `npx camoufox-js fetch` — downloads a
Firefox-fork browser binary that can take many minutes on slow
connections.  Because nothing was printed during that wait, the updater
appeared to hang at "Updating Node.js dependencies..." and users
Ctrl-C'd, sometimes leaving `node_modules` partially installed.

Drop `--silent` and pass `capture_output=False` for the repo-root and
ui-tui paths so npm streams its `info run …` postinstall lines straight
to the terminal.  Output is still mirrored to `~/.hermes/logs/update.log`
by the existing `_UpdateOutputStream` wrapper, so SSH-disconnect safety
is preserved.

The `web/` install path is untouched — its build step is fast and does
not run binary-fetching postinstalls.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
@teknium1 teknium1 merged commit c844d15 into main May 16, 2026
16 of 17 checks passed
@teknium1 teknium1 deleted the hermes/hermes-baa153c4 branch May 16, 2026 19:18
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🔎 Lint report: hermes/hermes-baa153c4 vs origin/main

ruff

Total: 0 on HEAD, 0 on base (➖ 0)

🆕 New issues: none

✅ Fixed issues: none

Unchanged: 0 pre-existing issues carried over.

ty (type checker)

Total: 8329 on HEAD, 8329 on base (➖ 0)

🆕 New issues (14):

Rule Count
invalid-argument-type 8
unresolved-attribute 3
unsupported-operator 3
First entries
run_agent.py:2460: [invalid-argument-type] invalid-argument-type: Argument to function `query_ollama_num_ctx` is incorrect: Expected `str`, found `(str & ~AlwaysFalsy) | (dict[str, str] & ~AlwaysFalsy) | (Any & ~AlwaysFalsy) | ... omitted 6 union elements`
run_agent.py:7736: [invalid-argument-type] invalid-argument-type: Argument to function `build_anthropic_client` is incorrect: Expected `str`, found `str | dict[Unknown, Unknown] | Any | ... omitted 5 union elements`
tests/run_agent/test_provider_attribution_headers.py:158: [unresolved-attribute] unresolved-attribute: Attribute `startswith` is not defined on `dict[str, str]` in union `Unknown | str | Divergent | Divergent | dict[str, str]`
run_agent.py:7547: [invalid-argument-type] invalid-argument-type: Argument to function `_codex_cloudflare_headers` is incorrect: Expected `str`, found `Unknown | str | dict[str, str] | ... omitted 5 union elements`
tests/agent/test_codex_cloudflare_headers.py:181: [unsupported-operator] unsupported-operator: Operator `in` is not supported between objects of type `Literal["originator"]` and `(Unknown & ~AlwaysFalsy) | (str & ~AlwaysFalsy) | (dict[str, str] & ~AlwaysFalsy) | ... omitted 5 union elements`
run_agent.py:2767: [invalid-argument-type] invalid-argument-type: Argument to function `get_model_context_length` is incorrect: Expected `str`, found `str | dict[str, str] | Any | ... omitted 5 union elements`
tests/agent/test_codex_cloudflare_headers.py:163: [unresolved-attribute] unresolved-attribute: Attribute `startswith` is not defined on `dict[str, str]` in union `Unknown | str | Divergent | Divergent | dict[str, str]`
tests/run_agent/test_provider_attribution_headers.py:224: [unsupported-operator] unsupported-operator: Operator `not in` is not supported between objects of type `Literal["X-OpenRouter-Cache-TTL"]` and `Unknown | str | dict[str, str] | ... omitted 5 union elements`
tests/run_agent/test_provider_attribution_headers.py:223: [unsupported-operator] unsupported-operator: Operator `not in` is not supported between objects of type `Literal["X-OpenRouter-Cache"]` and `Unknown | str | dict[str, str] | ... omitted 5 union elements`
run_agent.py:2716: [invalid-argument-type] invalid-argument-type: Argument to function `build_anthropic_client` is incorrect: Expected `str`, found `(Unknown & ~AlwaysFalsy) | (str & ~AlwaysFalsy) | (dict[str, str] & ~AlwaysFalsy) | ... omitted 6 union elements`
run_agent.py:14034: [invalid-argument-type] invalid-argument-type: Argument to function `len` is incorrect: Expected `Sized`, found `(str & ~AlwaysFalsy) | (dict[Unknown, Unknown] & ~AlwaysFalsy) | (Any & ~AlwaysFalsy) | ... omitted 5 union elements`
run_agent.py:14031: [invalid-argument-type] invalid-argument-type: Argument to function `_is_oauth_token` is incorrect: Expected `str`, found `str | dict[Unknown, Unknown] | Any | ... omitted 5 union elements`
tests/agent/test_codex_cloudflare_headers.py:163: [unresolved-attribute] unresolved-attribute: Attribute `get` is not defined on `str & ~AlwaysFalsy`, `int & ~AlwaysFalsy` in union `(Unknown & ~AlwaysFalsy) | (str & ~AlwaysFalsy) | (dict[str, str] & ~AlwaysFalsy) | ... omitted 5 union elements`
run_agent.py:2719: [invalid-argument-type] invalid-argument-type: Argument to function `_is_oauth_token` is incorrect: Expected `str`, found `(Unknown & ~AlwaysFalsy) | (str & ~AlwaysFalsy) | (dict[str, str] & ~AlwaysFalsy) | ... omitted 6 union elements`

✅ Fixed issues (14):

Rule Count
invalid-argument-type 8
unsupported-operator 3
unresolved-attribute 3
First entries
tests/agent/test_codex_cloudflare_headers.py:181: [unsupported-operator] unsupported-operator: Operator `in` is not supported between objects of type `Literal["originator"]` and `(Unknown & ~AlwaysFalsy) | (str & ~AlwaysFalsy) | (dict[str, str] & ~AlwaysFalsy) | ... omitted 3 union elements`
run_agent.py:2460: [invalid-argument-type] invalid-argument-type: Argument to function `query_ollama_num_ctx` is incorrect: Expected `str`, found `(str & ~AlwaysFalsy) | (dict[str, str] & ~AlwaysFalsy) | (Any & ~AlwaysFalsy) | ... omitted 4 union elements`
tests/agent/test_codex_cloudflare_headers.py:163: [unresolved-attribute] unresolved-attribute: Attribute `get` is not defined on `str & ~AlwaysFalsy`, `int & ~AlwaysFalsy` in union `(Unknown & ~AlwaysFalsy) | (str & ~AlwaysFalsy) | (dict[str, str] & ~AlwaysFalsy) | ... omitted 3 union elements`
run_agent.py:14034: [invalid-argument-type] invalid-argument-type: Argument to function `len` is incorrect: Expected `Sized`, found `(str & ~AlwaysFalsy) | (dict[Unknown, Unknown] & ~AlwaysFalsy) | (Any & ~AlwaysFalsy) | ... omitted 3 union elements`
run_agent.py:14031: [invalid-argument-type] invalid-argument-type: Argument to function `_is_oauth_token` is incorrect: Expected `str`, found `str | dict[Unknown, Unknown] | Any | ... omitted 3 union elements`
run_agent.py:7736: [invalid-argument-type] invalid-argument-type: Argument to function `build_anthropic_client` is incorrect: Expected `str`, found `str | dict[Unknown, Unknown] | Any | ... omitted 3 union elements`
run_agent.py:2767: [invalid-argument-type] invalid-argument-type: Argument to function `get_model_context_length` is incorrect: Expected `str`, found `str | dict[str, str] | Any | ... omitted 3 union elements`
run_agent.py:7547: [invalid-argument-type] invalid-argument-type: Argument to function `_codex_cloudflare_headers` is incorrect: Expected `str`, found `Unknown | str | dict[str, str] | ... omitted 3 union elements`
tests/agent/test_codex_cloudflare_headers.py:163: [unresolved-attribute] unresolved-attribute: Attribute `startswith` is not defined on `dict[str, str]` in union `Unknown | str | dict[str, str]`
tests/run_agent/test_provider_attribution_headers.py:224: [unsupported-operator] unsupported-operator: Operator `not in` is not supported between objects of type `Literal["X-OpenRouter-Cache-TTL"]` and `Unknown | str | dict[str, str] | ... omitted 3 union elements`
run_agent.py:2719: [invalid-argument-type] invalid-argument-type: Argument to function `_is_oauth_token` is incorrect: Expected `str`, found `(Unknown & ~AlwaysFalsy) | (str & ~AlwaysFalsy) | (dict[str, str] & ~AlwaysFalsy) | ... omitted 4 union elements`
tests/run_agent/test_provider_attribution_headers.py:223: [unsupported-operator] unsupported-operator: Operator `not in` is not supported between objects of type `Literal["X-OpenRouter-Cache"]` and `Unknown | str | dict[str, str] | ... omitted 3 union elements`
run_agent.py:2716: [invalid-argument-type] invalid-argument-type: Argument to function `build_anthropic_client` is incorrect: Expected `str`, found `(Unknown & ~AlwaysFalsy) | (str & ~AlwaysFalsy) | (dict[str, str] & ~AlwaysFalsy) | ... omitted 4 union elements`
tests/run_agent/test_provider_attribution_headers.py:158: [unresolved-attribute] unresolved-attribute: Attribute `startswith` is not defined on `dict[str, str]` in union `Unknown | str | dict[str, str]`

Unchanged: 4341 pre-existing issues carried over.

Diagnostics are surfaced as warnings — this check never fails the build.

@alt-glitch alt-glitch added type/bug Something isn't working P2 Medium — degraded but workaround exists comp/cli CLI entry point, hermes_cli/, setup wizard labels May 16, 2026
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hermes update appears stuck at Node.js dependencies during Camofox postinstall

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