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Install Codex from Its Windows Installer and Consolidate opencode 2 into One Managed Copy - #4162
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…nto One Managed Copy codex documents a Windows installer at https://chatgpt.com/codex/install.ps1, so the Windows install runs it rather than refusing. Linux already ran the documented install.sh. opencode 2 moved its installer to https://opencode.ai/v2/install and its npm package to @opencode/cli. Its installer is bash only, so the managed copy is ~/.opencode/bin/opencode on Linux and the npm package @opencode/cli on Windows. Any other opencode copy PATH reaches first, opencode 1's npm opencode-ai among them, is consolidated the way install-tools consolidates a shadowing copy: the report names it, and --upgrade removes it through npm, bun, Homebrew, or scoop after a prompt and installs the managed copy. A copy only an elevated shell or its owner can remove is reported with its command. The record is per tool, and only opencode declares one. Tests that used opencode as a generic npm, bun, scoop, Homebrew, mise, winget, or choco example now use codex, and new tests cover the consolidation on both platforms. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
…Copy That Stays Consolidation now reads whether the managed copy can install before it removes anything, so a host is never left without opencode. A copy this script cannot remove, or whose removal is declined, stays and is upgraded where it is, as before, rather than failing every run. The report and messages name what owns a copy that stays. The scoop, choco, Homebrew, and npm-install reads are shared between the upgrade and the consolidation. Windows tests now run a real removal and the unreachable managed package. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
… Managed Install Landed One npm and bun resolver now serves the upgrade and the consolidation on Linux, and one owning-package lookup serves both on Windows. A stray opencode-ai copy that stays is therefore upgraded as opencode-ai rather than refused as not @opencode/cli. A removal is listed among the changes, an installer that finishes without the managed copy in place fails the tool, and the install-tools cross-references name only the Linux script, which is the one that behaves that way. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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…Prefix Before an npm Removal A consolidation can remove one stray and then meet one it cannot remove, so the caller now reads the path again rather than acting on the removed copy. On Windows an npm removal is planned only for files under the prefix of the npm on PATH, as the upgrade plan already required. The Windows consolidation comment no longer claims install-tools.ps1 behavior it lacks. Tests cover --install replacing a stray with no managed copy, two stacked strays, and a shim outside the npm prefix. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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🟡 Changes recommended
Approval is blocked by an unsafe npm ownership check, a misleading implementation reference, and missing test coverage for consolidation when no managed copy exists.
3 open issues
What changed in this PR
Adds Windows installation support for Codex and consolidates opencode installations into one managed copy per platform.
Changes:
- Installs Codex on Windows through its documented PowerShell installer.
- Uses opencode 2 sources and managed-copy paths on Linux and Windows.
- Adds consolidation, ownership checks, reporting, documentation, and platform-specific test coverage.
| File | Description |
|---|---|
| tests/test_install_agents.py | Updates installer and package-manager fixtures and adds Linux and Windows coverage for opencode consolidation and Codex installation. |
| host-setup/windows/README.md | Documents Windows Codex installation and managed opencode behavior. |
| host-setup/windows/install-agents.ps1 | Adds the Codex installer, managed npm opencode support, consolidation logic, and shared manager resolution. |
| host-setup/linux/README.md | Documents Linux opencode managed-copy installation and consolidation behavior. |
| host-setup/linux/install-agents.sh | Adds managed opencode detection, consolidation, installation, upgrades, and shared package-manager resolution. |
| docs/host-setup.md | Updates the cross-platform host setup contract for managed agent copies and consolidation. |
Review effort: Lite
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…rt's Install Claim Where the managed npm package cannot be installed, the Windows message now names the stray's removal too, since an npm copy in the same prefix holds the shim the managed package needs. The report says the managed copy is installed only unless another copy PATH reaches stays. The docs drop a comparison with install-tools.sh that described a different mechanism. A Linux test now runs the managed installer for real and checks the copy landed, and another checks that an installer leaving none fails the tool. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
… It Blocks, and Fit Tests to Any Host Windows now has one npm and bun step for the upgrade and the consolidation, as Linux's package_step. A refused managed install names the stray's removal only for an npm copy, the one whose shim blocks it. The docs say which owners consolidation removes through and that --yes answers its prompt. The tests that need curl or npm absent are skipped where /usr/bin or /bin provides one, and a function-level test covers the curl refusal on every host. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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…e npm Prefix, and Test That a Refusal Removes Nothing Where npm or bun cannot say which package owns a stray, its command names the package the path or the shim shows, so an opencode-ai copy is never told to remove @opencode/cli. A refused managed install names a stray's removal only for one in the prefix of the npm on PATH. A function-level test now proves a refused install removes nothing on any host, the unwritable-prefix Windows test skips under root, the docs pair --yes with -Yes, and the script headers say what opencode is an exception to. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## develop #4162 +/- ##
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- Coverage 81.60% 76.69% -4.92%
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Files 26 41 +15
Lines 9070 14300 +5230
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+ Hits 7402 10967 +3565
- Misses 1668 3333 +1665
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…Copy and Confirm PATH Reaches the Installed Package A stray that stays is upgraded through its owner where that runs and reported where it does not, Nix and choco among the second, so the help, headers, READMEs, and docs now say it is handled as a tool without a managed copy is. On Windows, a managed package installed where PATH does not reach it now fails the tool, as the upgrade and install paths already did. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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…e the Fix for an Unreached Managed Package Consolidation now reads every copy PATH holds ahead of the managed one before its first removal, and removes nothing where any of them is one it cannot remove. A removal therefore never leaves an older copy this script cannot touch answering instead. On Windows, one reason for a managed package PATH does not reach tells an npm prefix missing from PATH apart from a missing shim, and both checks give it. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Per the maintainer's direction, the scripts no longer remove another opencode copy. A copy PATH reaches ahead of the managed one is reported with the command that removes it and the follow-up install, and the fix is left to a person since it is a one-off. --upgrade still upgrades the managed copy where one is installed, and --install installs it only once no other copy is in the way. The removal ordering, blocker, refusal, and reach checks that consolidation needed are gone with it. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
… Upgrade Beside It While another opencode copy is first on PATH, --upgrade and --install now only report the fix, removal then --install, and touch nothing. That drops the managed upgrade beside a stray, with its version misreport, its Windows npm refusal helper, and its managed-presence check, and restores opencode's original Upgrade entry on Windows. One builder now makes the node_modules search string, and a by-hand delete is worded as an instruction rather than a command that would not run. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
…pm Cannot Say, and Drop opencode's Dead Upgrade On Windows the managed copy is now the recorded package's shim inside the prefix of the npm on PATH, so a stale shim elsewhere naming it is reported as a stray. Where npm cannot say where it installs, no copy is called a stray, so the managed shim is never reported as one of itself. The Managed record names only the manager and reads the package from Get-NpmPackage, and the opencode Upgrade entry nothing could reach is gone. The docs say how each managed copy is upgraded. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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…e by the Recorded Package Name On Windows the exemption for an npm that cannot report its prefix now covers only an npm copy, so a self, bun, or scoop copy is still a stray. That keeps a self-installed copy from reaching the dropped Upgrade entry and ending the run. An upgrade names the recorded package on both platforms, and only a removal falls back to the name the path shows, so no instruction reinstalls opencode 1. The Windows help, README, and docs name the exemption. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
…Shim Apart Without npm An upgrade now matches only the recorded npm package on both platforms, and only a removal also matches a name the tool shipped under earlier, as the comments now say. On Windows, where npm cannot report its prefix, a shim whose text names opencode-ai is still a stray with its removal named, so the printed fix can be followed. The managed-shim test skips where a host npm in /usr/bin or /bin would answer. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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…thing Reads Where npm is on PATH but reports no prefix or root, a stray's removal now says so and names the package the path shows, rather than claiming the files sit outside a prefix npm never gave. An upgrade keeps its existing message. The Windows Managed record is a marker read through Test-ManagedTool, since every reader treats the managed copy as the recorded npm package. Unused locals and a case nothing reaches are gone, one test regains coverage it had lost to a misplaced skip, and a stale test comment is corrected. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
…he No-Root Removal The Windows managed opencode is the npm package, so nothing writes ~/.opencode/bin there, and appending it let a leftover copy from a Git Bash install read as a stray ahead of the managed shim in a scheduled run. The Linux test for a removal npm cannot resolve now stubs an npm that reports no root, covering the branch that names the package from the path, and needs no host skip. A test helper's comment now says what PATH order actually does. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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The Linux upgrade plan and a stray's removal now share one mise step, as they already share the Homebrew and scoop steps. A copy inside mise's Node is therefore told to be removed where it was installed, never to run mise unuse -g core:node, which would remove the user's Node runtime. Two Windows no-prefix tests use a stub npm rather than skipping on a host npm, and a Windows helper comment says it returns any of the tool's names. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Splitting the comment left its second line at column 0 inside the function body. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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… Package in One Place The docs and the Linux help now say the managed opencode on Linux is upgraded by running its installer again, the second exception to driving each tool's own updater. The docs' no-prefix sentence says npm copy, as the Windows help and README do. The Windows opencode Source and Install read the package from Get-NpmPackage, the name every stray check already uses. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
…Not Run The opencode sentence placed between cswap's exception and its reason made that reason read as opencode's, and the paragraph already states the Linux upgrade route later. A Windows bun test now checks that codex update, the updater codex actually has, was not run. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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The Homebrew and mise steps that used it moved into brew_step and mise_step. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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… Rules (#4189) ## Summary Promotes the backlog-burndown rounds and changes from other hub sessions from `develop` to `main`. - Hooks and the prose gate: #4132, #4134, #4136, #4145, #4152, #4184. The Husky hook reads its path list once and diffs a merge against `MERGE_HEAD`. Interrupts re-raise their signal, a Markdown code span reads as quoted data, and the gate picks a commit's diff base and recognizes a conflicted promotion's branch cut from `main`. - Procedures and carried rules: #4133, #4139, #4141, #4149, #4166, #4177, #4179, #4183, #4185. Resync, audit and check-this-repo procedure gaps, code style and shell interrupt rules, review-loop gaps across four skills, the context and delegation section of `AGENTS.md`, question rules in governance, the promotion line in pull request bodies, closing-keyword behavior on promotion, and the history-rewrite premise. - Review and cleanup tooling: #4138, #4148, #4154, #4156, #4157, #4163, #4164, #4168, #4174, #4180. Cleanliness reads, parked handoffs, the backlog report's JSON output, exact inline script pins, trusted inputs, env-file includes, the bounded review wait, side-reviewer matching, and a Copilot billing-failure notice read as a refusal. - Workflow and runbook contract: #4153, #4155, #4169, #4171, #4178, #4182. The runtime-secrets check, a registry entry and spec references, the Copilot runbook pointers, credential-free checkout steps, and the deploy-key and runner wording. - From other hub sessions: #4159 (a repository's own .NET line under a fleet default), #4161 (the 1Password CLI as an optional host tool), #4162 (Codex's Windows installer and one managed opencode copy). These carry no promotion line. #4182 carries no promotion line by design, and #4175 holds the split-out part of #4057's scope. Both #1448 and #4175 stay open. Fixes #1071 Fixes #1154 Fixes #1391 Fixes #1471 Fixes #1594 Fixes #1620 Fixes #1627 Fixes #1650 Fixes #1801 Fixes #2853 Fixes #3620 Fixes #3668 Fixes #3697 Fixes #3766 Fixes #3787 Fixes #3837 Fixes #3840 Fixes #3842 Fixes #3844 Fixes #3865 Fixes #3882 Fixes #3890 Fixes #3894 Fixes #3912 Fixes #3916 Fixes #3954 Fixes #4014 Fixes #4015 Fixes #4016 Fixes #4043 Fixes #4050 Fixes #4057 Fixes #4058 Fixes #4062 Fixes #4084 Fixes #4097 Fixes #4098 Fixes #4099 Fixes #4104 Fixes #4108 Fixes #4114 Fixes #4115 Fixes #4117 Fixes #4118 Fixes #4119 Fixes #4121 Fixes #4122 Fixes #4123 Fixes #4131 Fixes #4135 Fixes #4140 Fixes #4142 Fixes #4143 Fixes #4144 Fixes #4151 🤖 Generated with [Claude Code](https://claude.com/claude-code)


Summary
https://chatgpt.com/codex/install.ps1, rather than refusing. Linux already ran the documentedinstall.sh.https://opencode.ai/v2/install, and the npm package to@opencode/cli. opencode 1'sopencode-aiis still recognized.~/.opencode/bin/opencode, installed and upgraded by the v2 installer. Windows keeps the npm package@opencode/cli, since the installer is bash only.--upgrade, and--installname the command that removes it, then--install opencode. While a stray is first on PATH, nothing runs for opencode and the run still exits 0. The maintainer chose this over automatic removal, since the fix is a one-off and automation belongs on the managed path.Verification
tests/test_install_agents.py, run in Linux Docker with pwsh: 106 of 110 pass. The 4 failures are the mise tests, which fail the same way on unchangeddevelopin that container and pass in CI.commentslabel.install-agents.ps1was run natively on Windows with-Reportand-Upgrade -DryRun. It reported the host's opencode 1 npm copy withnpm uninstall -g opencode-ai, theninstall-agents.ps1 -Install opencode, and changed nothing.Local-review findings, introduced
An automatic consolidation was built first, and twelve local passes reviewed it and its replacement. Their findings were fixed, or retired with the removal design itself. One was declined: the managed path
~/.opencode/bin/opencodeis fixed, since the v2 installer hard-codesINSTALL_DIR=$HOME/.opencode/binand reads no override.Later passes' findings were fixed in 0f79a18, 5a5f128, c6188be, and 4e91618. A second was declined:
Test-ManagedTool'sContainsKeyguard is required, since underSet-StrictMode -Version Latestreading a missing hashtable key throws "The property 'Managed' cannot be found on this object", checked withpwsh -NoProfile -c 'Set-StrictMode -Version Latest; $h=@{}; $h.Managed'.The sixteenth pass's findings were fixed in b22de45 and cf2f952. A third was declined: a scheduled Linux run judges strays on its own PATH, where
~/.opencode/binis appended. A copy genuinely ahead of it there is reported with its removal, and nothing fails silently or destructively, soGOVERNANCE.md"Trust Boundaries and Hardening Effort" gives it no further code.Later passes' findings were fixed through 84b50e3, and the twenty-first pass over the final head raised none. No local-review finding is open.
🤖 Generated with Claude Code