Data & analysis

choco

Name: choco
Author: drumrobot

Chocolatey operations integration — post-processing after choco upgrade, nssm service path refresh, NSSM → shawl migration (syncthing v2 etc.), resync on UniGetUI/choco metadata update failures. diagnose [diagnose.md], metadata-fix [metadata-fix.md], post-upgrade [post-upgrade.md], shawl-migration [shawl-migration.md], update-path [update-path.md]. Use when: "choco", "chocolatey", "choco upgrade", "choco outdated", "vcredist", "nssm", "nssm recovery", "nssm path", "service path refresh", "after choco upgrade", "service failure", "SERVICE_STOPPED", "shim issue", "syncthing nssm", "syncthing v2", "shawl migration", "nssm deprecation", "service-specific error", "UniGetUI", "metadata update failure", "metadata stale", ".nuspec stale", "choco metadata".

What it does

Chocolatey operations integration skill. Pre- and post-processing for choco upgrade, nssm service compatibility management, and metadata update failure recovery.

The skill document

Choco

Chocolatey operations integration skill. Pre- and post-processing for choco upgrade, nssm service compatibility management, and metadata update failure recovery.

Core Problems

Area	Problem	Resolution Topic
Package path	After choco upgrade, the nssm Application path becomes stale due to version-specific folders	update-path.md
Service compatibility	After major upgrade (e.g., syncthing v1→v2), NSSM fails with service-specific error	shawl-migration.md
Metadata	Runtime install succeeds + chocolatey `.nuspec` is stale (UniGetUI shows repeated upgrades)	metadata-fix.md
Diagnosis	Identify which service has issues / which package is stale	diagnose.md
Bulk post-processing	Automatically check affected services after choco upgrade	post-upgrade.md

Path Strategy (HARD STOP — required decision before nssm set Application)

Strategy	Example Path	Pros	Cons
Stable shim path (recommended)	`%ChocolateyInstall%\bin\syncthing.exe`	Path remains unchanged after choco upgrade	Without `--shimgen-waitforexit`, nssm may misinterpret shim exit as a crash
Version-specific actual path	`%ChocolateyInstall%\lib\syncthing\tools\...-v2.1.0\syncthing.exe`	No shim issues	Path breaks on every upgrade — this is why this skill exists

Default choice: stable shim path. Use version-specific path + post-upgrade hook combination only for services where shim issues occur. When NSSM compatibility itself breaks (like syncthing v2), apply shawl-migration.

Using environment variable paths in nssm

nssm supports REG_EXPAND_SZ but nssm set defaults to REG_SZ. Set registry directly via PowerShell:

$regPath = "HKLM:\SYSTEM\CurrentControlSet\Services\\Parameters"
Set-ItemProperty -Path $regPath -Name "Application" -Value '%ChocolateyInstall%\bin\' -Type ExpandString

Or use an expanded literal path:

gsudo nssm set  Application "C:\ProgramData\chocolatey\bin\"

Topics

Topic	File	Description
diagnose	diagnose.md	nssm service diagnosis procedure
metadata-fix	metadata-fix.md	Recovery for UniGetUI/choco metadata (.nuspec) update failures
post-upgrade	post-upgrade.md	Post-processing after choco upgrade
shawl-migration	shawl-migration.md	NSSM → shawl migration (major upgrades like syncthing v2)
update-path	update-path.md	nssm path refresh

Scripts

Mode	Command	Description
diagnose	`node /scripts/nssm-manager.js diagnose`	Check all nssm services
update-path	`node /scripts/nssm-manager.js update-path`	Output path refresh command for a specific service
post-upgrade	`node /scripts/nssm-manager.js post-upgrade`	Full post-processing check

`` = ~/.claude/skills/choco

Note: node may not be on PATH in bash. In an fnm environment, use the full path:

"$APPDATA/fnm/node-versions/v20.20.0/installation/node.exe" /scripts/nssm-manager.js

Administrator Privileges

nssm set/stop/start and choco upgrade commands require administrator privileges. Per the Windows rule, using gsudo is the default:

gsudo choco upgrade  -y
gsudo nssm set  Application ""

Or invoke via the PowerShell tool:

gsudo powershell -ExecutionPolicy Bypass -File ""

Topic Dependencies

choco (main workflow)
  ├─→ diagnose (step 1 diagnosis)
  ├─→ metadata-fix (recover stale choco/UniGetUI metadata)
  ├─→ post-upgrade (bulk check after choco upgrade)
  ├─→ update-path (nssm path refresh)
  └─→ shawl-migration (NSSM → shawl migration)
        └─→ shawl binary (~/.local/bin/shawl.exe, downloaded from GitHub releases)

Simple path refresh → update-path
Major upgrade requiring nssm deprecation → shawl-migration
Runtime OK + only chocolatey metadata stale → metadata-fix
Multiple services in bulk → diagnose + post-upgrade

Self-heal

This skill is subject to self-improvement after execution. If malfunction is detected, improve it via /skill-kit upgrade choco.

Checklist:

Are the trigger keywords in description sufficient?
Was the topic selection accurate? (e.g., misrouting metadata stale to update-path)
Was the procedure complete? (Was no manual correction needed?)
Were there no omissions in the deliverables?

References

Previous skill: choco-nssm (absorbed into this skill, moved to ~/.claude/.bak/)
Chocolatey docs
UniGetUI repo
shawl repo

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