fix(installer): prefer a trusted uv over a bare PATH uv in bootstrap - #37622
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OutThisLife wants to merge 3 commits into
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fix(installer): prefer a trusted uv over a bare PATH uv in bootstrap#37622OutThisLife wants to merge 3 commits into
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The bootstrap installers resolved uv by trusting whatever was first on PATH (`command -v uv` / `Get-Command uv`) before checking the managed standalone locations. On Windows that bare lookup frequently picks up a conda/Anaconda uv; pointed at the Hermes venv via VIRTUAL_ENV its environment assumptions collide and the dependency install breaks. Reorder install.sh `install_uv` and install.ps1 `Install-Uv`/`Resolve-UvCmd` to probe `~/.local/bin` / `~/.cargo/bin` first and accept a PATH uv only when it isn't conda-managed (new `uv_path_is_trusted` / `Test-UvUntrusted` guard). This brings the bootstrap path to parity with `hermes update`, which was fixed the same way in PR #37605 (hermes_cli/managed_uv.py). Add tests/test_install_trusted_uv_resolution.py asserting the managed-before- PATH ordering and the conda guard in both installers.
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Pull request overview
This PR updates the bootstrap installers to prefer a “trusted” standalone/managed uv (e.g., ~/.local/bin / ~/.cargo/bin) over whatever uv happens to be first on PATH, and adds regression tests to lock in the ordering + conda-guard behavior. This prevents installs from accidentally selecting conda/Anaconda-provided uv on Windows/macOS/Linux environments where that uv conflicts with VIRTUAL_ENV usage.
Changes:
- Update
scripts/install.shto probe manageduvlocations first and gate PATH fallback via a newuv_path_is_trustedhelper. - Update
scripts/install.ps1to prefer managed locations first and reject conda-managed PATHuvviaTest-UvUntrusted. - Add static “ordering contract” tests to ensure managed-before-PATH resolution and conda guard presence for both installers.
Reviewed changes
Copilot reviewed 3 out of 3 changed files in this pull request and generated 2 comments.
| File | Description |
|---|---|
scripts/install.sh |
Reorders uv resolution to prefer managed locations and adds conda-path trust gating for PATH fallback. |
scripts/install.ps1 |
Reorders uv resolution similarly on Windows and adds a conda/Anaconda detection guard for PATH uv. |
tests/test_install_trusted_uv_resolution.py |
Adds regression tests asserting resolution ordering and conda guard helpers exist in both installers. |
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Address Copilot review on #37622: - uv_path_is_trusted now lowercases the candidate path (bash-3.2-safe via tr) before matching, so capitalized install dirs like Miniconda3/Anaconda3/ Miniforge3 can't bypass the guard. - Declare the PATH-uv temporary `local` in install_uv so it doesn't leak into global script scope.
Contributor
🔎 Lint report:
|
…vCmd Address Copilot review on #37622: - Check the current process PATH for a trusted uv before refreshing $env:Path from the registry, so a session-only trusted uv (prepended for this shell but not persisted) is honored instead of being clobbered by the refresh. - Distinguish the failure modes in the thrown error: a uv that exists but was rejected as conda/Anaconda-managed now reports that explicitly, rather than implying no uv was found.
Collaborator
Author
|
@copilot review latest |
1 task
ethernet8023
added a commit
that referenced
this pull request
Jun 2, 2026
Replace the multi-path UV resolution chain (PATH probing, conda guards,
5-location trust ordering, temp-dir fallback installs) with a single
managed uv binary at $HERMES_HOME/bin/uv. Every code path that needs
uv resolves it from that one location; if missing, ensure_uv()
bootstraps it via the official standalone installer.
Key changes:
- New hermes_cli/managed_uv.py: managed_uv_path(), resolve_uv(),
ensure_uv() (returns (path, freshly_bootstrapped) tuple),
update_managed_uv(), rebuild_venv(), installer internals.
- hermes_cli/main.py: replace all shutil.which('uv') with ensure_uv(),
add venv rebuild on first-time managed uv bootstrap, update_managed_uv
before dep install on all 3 update paths.
- scripts/install.sh: install_uv() always installs to
$HERMES_HOME/bin/uv; delete ensure_fts5, _python_has_fts5,
_reinstall_python_with_fts5, _warn_no_fts5 (61 lines).
Managed uv always installs current Python with FTS5.
- scripts/install.ps1: Install-Uv always installs to
$HermesHome\bin\uv.exe; Resolve-UvCmd checks managed location first.
- hermes_state.py: simplified FTS5 warning now suggests 'hermes update'
as the fix instead of blaming install method.
- tests: 15 tests in test_managed_uv.py, autouse _patch_managed_uv
fixture in test_cmd_update.py.
Closes #37605, Closes #37622
ethernet8023
added a commit
that referenced
this pull request
Jun 3, 2026
Replace the multi-path UV resolution chain (PATH probing, conda guards,
5-location trust ordering, temp-dir fallback installs) with a single
managed uv binary at $HERMES_HOME/bin/uv. Every code path that needs
uv resolves it from that one location; if missing, ensure_uv()
bootstraps it via the official standalone installer.
Key changes:
- New hermes_cli/managed_uv.py: managed_uv_path(), resolve_uv(),
ensure_uv() (returns (path, freshly_bootstrapped) tuple),
update_managed_uv(), rebuild_venv(), installer internals.
- hermes_cli/main.py: replace all shutil.which('uv') with ensure_uv(),
add venv rebuild on first-time managed uv bootstrap, update_managed_uv
before dep install on all 3 update paths.
- scripts/install.sh: install_uv() always installs to
$HERMES_HOME/bin/uv; delete ensure_fts5, _python_has_fts5,
_reinstall_python_with_fts5, _warn_no_fts5 (61 lines).
Managed uv always installs current Python with FTS5.
- scripts/install.ps1: Install-Uv always installs to
$HermesHome\bin\uv.exe; Resolve-UvCmd checks managed location first.
- hermes_state.py: simplified FTS5 warning now suggests 'hermes update'
as the fix instead of blaming install method.
- tests: 15 tests in test_managed_uv.py, autouse _patch_managed_uv
fixture in test_cmd_update.py.
Closes #37605, Closes #37622
Yuki-14544869
pushed a commit
to Yuki-14544869/hermes-agent
that referenced
this pull request
Jun 4, 2026
Replace the multi-path UV resolution chain (PATH probing, conda guards,
5-location trust ordering, temp-dir fallback installs) with a single
managed uv binary at $HERMES_HOME/bin/uv. Every code path that needs
uv resolves it from that one location; if missing, ensure_uv()
bootstraps it via the official standalone installer.
Key changes:
- New hermes_cli/managed_uv.py: managed_uv_path(), resolve_uv(),
ensure_uv() (returns (path, freshly_bootstrapped) tuple),
update_managed_uv(), rebuild_venv(), installer internals.
- hermes_cli/main.py: replace all shutil.which('uv') with ensure_uv(),
add venv rebuild on first-time managed uv bootstrap, update_managed_uv
before dep install on all 3 update paths.
- scripts/install.sh: install_uv() always installs to
$HERMES_HOME/bin/uv; delete ensure_fts5, _python_has_fts5,
_reinstall_python_with_fts5, _warn_no_fts5 (61 lines).
Managed uv always installs current Python with FTS5.
- scripts/install.ps1: Install-Uv always installs to
$HermesHome\bin\uv.exe; Resolve-UvCmd checks managed location first.
- hermes_state.py: simplified FTS5 warning now suggests 'hermes update'
as the fix instead of blaming install method.
- tests: 15 tests in test_managed_uv.py, autouse _patch_managed_uv
fixture in test_cmd_update.py.
Closes NousResearch#37605, Closes NousResearch#37622
davidgut1982
pushed a commit
to davidgut1982/hermes-agent
that referenced
this pull request
Jun 5, 2026
Replace the multi-path UV resolution chain (PATH probing, conda guards,
5-location trust ordering, temp-dir fallback installs) with a single
managed uv binary at $HERMES_HOME/bin/uv. Every code path that needs
uv resolves it from that one location; if missing, ensure_uv()
bootstraps it via the official standalone installer.
Key changes:
- New hermes_cli/managed_uv.py: managed_uv_path(), resolve_uv(),
ensure_uv() (returns (path, freshly_bootstrapped) tuple),
update_managed_uv(), rebuild_venv(), installer internals.
- hermes_cli/main.py: replace all shutil.which('uv') with ensure_uv(),
add venv rebuild on first-time managed uv bootstrap, update_managed_uv
before dep install on all 3 update paths.
- scripts/install.sh: install_uv() always installs to
$HERMES_HOME/bin/uv; delete ensure_fts5, _python_has_fts5,
_reinstall_python_with_fts5, _warn_no_fts5 (61 lines).
Managed uv always installs current Python with FTS5.
- scripts/install.ps1: Install-Uv always installs to
$HermesHome\bin\uv.exe; Resolve-UvCmd checks managed location first.
- hermes_state.py: simplified FTS5 warning now suggests 'hermes update'
as the fix instead of blaming install method.
- tests: 15 tests in test_managed_uv.py, autouse _patch_managed_uv
fixture in test_cmd_update.py.
Closes NousResearch#37605, Closes NousResearch#37622
changman
pushed a commit
to changman/hermes-agent
that referenced
this pull request
Jun 10, 2026
Replace the multi-path UV resolution chain (PATH probing, conda guards,
5-location trust ordering, temp-dir fallback installs) with a single
managed uv binary at $HERMES_HOME/bin/uv. Every code path that needs
uv resolves it from that one location; if missing, ensure_uv()
bootstraps it via the official standalone installer.
Key changes:
- New hermes_cli/managed_uv.py: managed_uv_path(), resolve_uv(),
ensure_uv() (returns (path, freshly_bootstrapped) tuple),
update_managed_uv(), rebuild_venv(), installer internals.
- hermes_cli/main.py: replace all shutil.which('uv') with ensure_uv(),
add venv rebuild on first-time managed uv bootstrap, update_managed_uv
before dep install on all 3 update paths.
- scripts/install.sh: install_uv() always installs to
$HERMES_HOME/bin/uv; delete ensure_fts5, _python_has_fts5,
_reinstall_python_with_fts5, _warn_no_fts5 (61 lines).
Managed uv always installs current Python with FTS5.
- scripts/install.ps1: Install-Uv always installs to
$HermesHome\bin\uv.exe; Resolve-UvCmd checks managed location first.
- hermes_state.py: simplified FTS5 warning now suggests 'hermes update'
as the fix instead of blaming install method.
- tests: 15 tests in test_managed_uv.py, autouse _patch_managed_uv
fixture in test_cmd_update.py.
Closes NousResearch#37605, Closes NousResearch#37622
alt-glitch
pushed a commit
that referenced
this pull request
Jun 14, 2026
Replace the multi-path UV resolution chain (PATH probing, conda guards,
5-location trust ordering, temp-dir fallback installs) with a single
managed uv binary at $HERMES_HOME/bin/uv. Every code path that needs
uv resolves it from that one location; if missing, ensure_uv()
bootstraps it via the official standalone installer.
Key changes:
- New hermes_cli/managed_uv.py: managed_uv_path(), resolve_uv(),
ensure_uv() (returns (path, freshly_bootstrapped) tuple),
update_managed_uv(), rebuild_venv(), installer internals.
- hermes_cli/main.py: replace all shutil.which('uv') with ensure_uv(),
add venv rebuild on first-time managed uv bootstrap, update_managed_uv
before dep install on all 3 update paths.
- scripts/install.sh: install_uv() always installs to
$HERMES_HOME/bin/uv; delete ensure_fts5, _python_has_fts5,
_reinstall_python_with_fts5, _warn_no_fts5 (61 lines).
Managed uv always installs current Python with FTS5.
- scripts/install.ps1: Install-Uv always installs to
$HermesHome\bin\uv.exe; Resolve-UvCmd checks managed location first.
- hermes_state.py: simplified FTS5 warning now suggests 'hermes update'
as the fix instead of blaming install method.
- tests: 15 tests in test_managed_uv.py, autouse _patch_managed_uv
fixture in test_cmd_update.py.
Closes #37605, Closes #37622
kossteg
pushed a commit
to kossteg/hermes-agent
that referenced
this pull request
Jun 16, 2026
Replace the multi-path UV resolution chain (PATH probing, conda guards,
5-location trust ordering, temp-dir fallback installs) with a single
managed uv binary at $HERMES_HOME/bin/uv. Every code path that needs
uv resolves it from that one location; if missing, ensure_uv()
bootstraps it via the official standalone installer.
Key changes:
- New hermes_cli/managed_uv.py: managed_uv_path(), resolve_uv(),
ensure_uv() (returns (path, freshly_bootstrapped) tuple),
update_managed_uv(), rebuild_venv(), installer internals.
- hermes_cli/main.py: replace all shutil.which('uv') with ensure_uv(),
add venv rebuild on first-time managed uv bootstrap, update_managed_uv
before dep install on all 3 update paths.
- scripts/install.sh: install_uv() always installs to
$HERMES_HOME/bin/uv; delete ensure_fts5, _python_has_fts5,
_reinstall_python_with_fts5, _warn_no_fts5 (61 lines).
Managed uv always installs current Python with FTS5.
- scripts/install.ps1: Install-Uv always installs to
$HermesHome\bin\uv.exe; Resolve-UvCmd checks managed location first.
- hermes_state.py: simplified FTS5 warning now suggests 'hermes update'
as the fix instead of blaming install method.
- tests: 15 tests in test_managed_uv.py, autouse _patch_managed_uv
fixture in test_cmd_update.py.
Closes NousResearch#37605, Closes NousResearch#37622
T02200059
pushed a commit
to T02200059/hermes-agent
that referenced
this pull request
Jun 18, 2026
Replace the multi-path UV resolution chain (PATH probing, conda guards,
5-location trust ordering, temp-dir fallback installs) with a single
managed uv binary at $HERMES_HOME/bin/uv. Every code path that needs
uv resolves it from that one location; if missing, ensure_uv()
bootstraps it via the official standalone installer.
Key changes:
- New hermes_cli/managed_uv.py: managed_uv_path(), resolve_uv(),
ensure_uv() (returns (path, freshly_bootstrapped) tuple),
update_managed_uv(), rebuild_venv(), installer internals.
- hermes_cli/main.py: replace all shutil.which('uv') with ensure_uv(),
add venv rebuild on first-time managed uv bootstrap, update_managed_uv
before dep install on all 3 update paths.
- scripts/install.sh: install_uv() always installs to
$HERMES_HOME/bin/uv; delete ensure_fts5, _python_has_fts5,
_reinstall_python_with_fts5, _warn_no_fts5 (61 lines).
Managed uv always installs current Python with FTS5.
- scripts/install.ps1: Install-Uv always installs to
$HermesHome\bin\uv.exe; Resolve-UvCmd checks managed location first.
- hermes_state.py: simplified FTS5 warning now suggests 'hermes update'
as the fix instead of blaming install method.
- tests: 15 tests in test_managed_uv.py, autouse _patch_managed_uv
fixture in test_cmd_update.py.
Closes NousResearch#37605, Closes NousResearch#37622
waefrebeorn
pushed a commit
to waefrebeorn/slermes
that referenced
this pull request
Jul 2, 2026
Replace the multi-path UV resolution chain (PATH probing, conda guards,
5-location trust ordering, temp-dir fallback installs) with a single
managed uv binary at $HERMES_HOME/bin/uv. Every code path that needs
uv resolves it from that one location; if missing, ensure_uv()
bootstraps it via the official standalone installer.
Key changes:
- New hermes_cli/managed_uv.py: managed_uv_path(), resolve_uv(),
ensure_uv() (returns (path, freshly_bootstrapped) tuple),
update_managed_uv(), rebuild_venv(), installer internals.
- hermes_cli/main.py: replace all shutil.which('uv') with ensure_uv(),
add venv rebuild on first-time managed uv bootstrap, update_managed_uv
before dep install on all 3 update paths.
- scripts/install.sh: install_uv() always installs to
$HERMES_HOME/bin/uv; delete ensure_fts5, _python_has_fts5,
_reinstall_python_with_fts5, _warn_no_fts5 (61 lines).
Managed uv always installs current Python with FTS5.
- scripts/install.ps1: Install-Uv always installs to
$HermesHome\bin\uv.exe; Resolve-UvCmd checks managed location first.
- hermes_state.py: simplified FTS5 warning now suggests 'hermes update'
as the fix instead of blaming install method.
- tests: 15 tests in test_managed_uv.py, autouse _patch_managed_uv
fixture in test_cmd_update.py.
Closes NousResearch#37605, Closes NousResearch#37622
santhreal
pushed a commit
to santhreal/hermes-agent
that referenced
this pull request
Jul 13, 2026
Replace the multi-path UV resolution chain (PATH probing, conda guards,
5-location trust ordering, temp-dir fallback installs) with a single
managed uv binary at $HERMES_HOME/bin/uv. Every code path that needs
uv resolves it from that one location; if missing, ensure_uv()
bootstraps it via the official standalone installer.
Key changes:
- New hermes_cli/managed_uv.py: managed_uv_path(), resolve_uv(),
ensure_uv() (returns (path, freshly_bootstrapped) tuple),
update_managed_uv(), rebuild_venv(), installer internals.
- hermes_cli/main.py: replace all shutil.which('uv') with ensure_uv(),
add venv rebuild on first-time managed uv bootstrap, update_managed_uv
before dep install on all 3 update paths.
- scripts/install.sh: install_uv() always installs to
$HERMES_HOME/bin/uv; delete ensure_fts5, _python_has_fts5,
_reinstall_python_with_fts5, _warn_no_fts5 (61 lines).
Managed uv always installs current Python with FTS5.
- scripts/install.ps1: Install-Uv always installs to
$HermesHome\bin\uv.exe; Resolve-UvCmd checks managed location first.
- hermes_state.py: simplified FTS5 warning now suggests 'hermes update'
as the fix instead of blaming install method.
- tests: 15 tests in test_managed_uv.py, autouse _patch_managed_uv
fixture in test_cmd_update.py.
Closes NousResearch#37605, Closes NousResearch#37622
donbowman
pushed a commit
to donbowman/hermes-agent
that referenced
this pull request
Jul 13, 2026
Replace the multi-path UV resolution chain (PATH probing, conda guards,
5-location trust ordering, temp-dir fallback installs) with a single
managed uv binary at $HERMES_HOME/bin/uv. Every code path that needs
uv resolves it from that one location; if missing, ensure_uv()
bootstraps it via the official standalone installer.
Key changes:
- New hermes_cli/managed_uv.py: managed_uv_path(), resolve_uv(),
ensure_uv() (returns (path, freshly_bootstrapped) tuple),
update_managed_uv(), rebuild_venv(), installer internals.
- hermes_cli/main.py: replace all shutil.which('uv') with ensure_uv(),
add venv rebuild on first-time managed uv bootstrap, update_managed_uv
before dep install on all 3 update paths.
- scripts/install.sh: install_uv() always installs to
$HERMES_HOME/bin/uv; delete ensure_fts5, _python_has_fts5,
_reinstall_python_with_fts5, _warn_no_fts5 (61 lines).
Managed uv always installs current Python with FTS5.
- scripts/install.ps1: Install-Uv always installs to
$HermesHome\bin\uv.exe; Resolve-UvCmd checks managed location first.
- hermes_state.py: simplified FTS5 warning now suggests 'hermes update'
as the fix instead of blaming install method.
- tests: 15 tests in test_managed_uv.py, autouse _patch_managed_uv
fixture in test_cmd_update.py.
Closes NousResearch#37605, Closes NousResearch#37622
Gravezzz
pushed a commit
to Gravezzz/hermes-agent
that referenced
this pull request
Jul 21, 2026
Replace the multi-path UV resolution chain (PATH probing, conda guards,
5-location trust ordering, temp-dir fallback installs) with a single
managed uv binary at $HERMES_HOME/bin/uv. Every code path that needs
uv resolves it from that one location; if missing, ensure_uv()
bootstraps it via the official standalone installer.
Key changes:
- New hermes_cli/managed_uv.py: managed_uv_path(), resolve_uv(),
ensure_uv() (returns (path, freshly_bootstrapped) tuple),
update_managed_uv(), rebuild_venv(), installer internals.
- hermes_cli/main.py: replace all shutil.which('uv') with ensure_uv(),
add venv rebuild on first-time managed uv bootstrap, update_managed_uv
before dep install on all 3 update paths.
- scripts/install.sh: install_uv() always installs to
$HERMES_HOME/bin/uv; delete ensure_fts5, _python_has_fts5,
_reinstall_python_with_fts5, _warn_no_fts5 (61 lines).
Managed uv always installs current Python with FTS5.
- scripts/install.ps1: Install-Uv always installs to
$HermesHome\bin\uv.exe; Resolve-UvCmd checks managed location first.
- hermes_state.py: simplified FTS5 warning now suggests 'hermes update'
as the fix instead of blaming install method.
- tests: 15 tests in test_managed_uv.py, autouse _patch_managed_uv
fixture in test_cmd_update.py.
Closes NousResearch#37605, Closes NousResearch#37622
leewenjie
pushed a commit
to leewenjie/hermes-agent
that referenced
this pull request
Aug 7, 2026
Replace the multi-path UV resolution chain (PATH probing, conda guards,
5-location trust ordering, temp-dir fallback installs) with a single
managed uv binary at $HERMES_HOME/bin/uv. Every code path that needs
uv resolves it from that one location; if missing, ensure_uv()
bootstraps it via the official standalone installer.
Key changes:
- New hermes_cli/managed_uv.py: managed_uv_path(), resolve_uv(),
ensure_uv() (returns (path, freshly_bootstrapped) tuple),
update_managed_uv(), rebuild_venv(), installer internals.
- hermes_cli/main.py: replace all shutil.which('uv') with ensure_uv(),
add venv rebuild on first-time managed uv bootstrap, update_managed_uv
before dep install on all 3 update paths.
- scripts/install.sh: install_uv() always installs to
$HERMES_HOME/bin/uv; delete ensure_fts5, _python_has_fts5,
_reinstall_python_with_fts5, _warn_no_fts5 (61 lines).
Managed uv always installs current Python with FTS5.
- scripts/install.ps1: Install-Uv always installs to
$HermesHome\bin\uv.exe; Resolve-UvCmd checks managed location first.
- hermes_state.py: simplified FTS5 warning now suggests 'hermes update'
as the fix instead of blaming install method.
- tests: 15 tests in test_managed_uv.py, autouse _patch_managed_uv
fixture in test_cmd_update.py.
Closes NousResearch#37605, Closes NousResearch#37622
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Summary
The bootstrap installers (
scripts/install.sh,scripts/install.ps1) resolveduvby trusting whatever was first on PATH (command -v uv/Get-Command uv) before checking the managed standalone locations. On Windows that bare lookup frequently picks up a conda/Anaconda-shippeduv; pointed at the Hermes venv viaVIRTUAL_ENV, that uv's own environment assumptions collide and the dependency install breaks.This is the same hijack #37605 fixed for the runtime
hermes updatepath (hermes_cli/managed_uv.py). That PR explicitly scoped itself to the update path and noted the installers were the other half — this brings the bootstrap path to parity.Changes
scripts/install.sh—install_uv()now probes~/.local/bin/~/.cargo/binbefore falling back to a PATHuv, and accepts a PATHuvonly when it isn't conda-managed (newuv_path_is_trustedhelper).scripts/install.ps1—Install-UvandResolve-UvCmdreordered the same way; PATHuvis gated through a newTest-UvUntrustedguard (matchesanaconda|miniconda|miniforge|mambaforge|conda). ForResolve-UvCmdthis is also more robust to the stale-PATH-in-a-fresh-stage-process case, sinceTest-Pathon the managed locations doesn't depend on PATH.tests/test_install_trusted_uv_resolution.py— ordering-contract assertions (managed-before-PATH) + conda-guard presence for both installers. Static text assertions, consistent with the existingtests/test_install_sh_*suite; no shell execution required.Behavior
uvfirst on PATH, standalone uv in~/.local/bin~/.local/binuvuvfirst on PATH, no standalone uvTest plan
scripts/run_tests.sh tests/test_install_trusted_uv_resolution.py— 5/5 passscripts/run_tests.sh tests/test_install_sh_root_fhs_uv_python_path.py tests/test_install_sh_pythonpath_sanitization.py tests/test_install_sh_symlink_stomp.py— existing install.sh tests still passbash -n scripts/install.shcleanpwshparse check (no pwsh on author's machine — CI/reviewer to confirm)Related: #37605