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sn-update

Update installed SenseNova Skills in OpenClaw or hermes-agent, either as a complete bundle or as selected skills. Compare versions before replacing files, back up existing installations, and report which skills changed or were already current.

中文简介正在准备中。当前显示英语简介。

原文查看原文说明

Update SenseNova Skills (the sn-* bundle) inside an OpenClaw or hermes-agent install. ALWAYS use this skill when the user says any of: "update SenseNova skills", "update SN skills", "更新 sensenova skills", "更新 sn skills", "刷新 sn-*", "升级 sn-* skills", or names a specific sn-* skill to update (e.g. "更新 sn-ppt-standard", "refresh sn-image-base"). Default scope is the whole sn-* bundle; if the user names specific skills, update ONLY those.

查看安装方法

适用场景

  • Updating the complete installed sn-* bundle
  • Updating only selected skills
  • Reinstalling skills even when already current
  • Checking updates while keeping recent backups

包含的文件(1)

  • SKILL.md5.5 KB

SKILL.md(原文)

安装前可以查看交给 AI 代理的指令内容。

sn-update

Refresh installed sn-* skills from upstream SenseNova-Skills.


Decide the scope

  • No list given → every sn-* skill upstream.
  • Specific skills named → only those. Don't expand.
  • A named skill missing upstream → surface as error and stop.
  • User said "force / 强制" → re-install even when up-to-date.

Decide the target agent

Check which directories exist:

~/.openclaw/skills/~/.hermes/skills/Target
existsabsentopenclaw
absentexistshermes
existsexistsask the user — never silently dual-write
absentabsentno install found, stop

Sync the upstream repo

Persistent cache at ~/.cache/sn-update/repo/. Default URL: https://github.com/OpenSenseNova/SenseNova-Skills.git. User may override with a fork URL.

  • First run: if you want to actually limit blob download, use partial clone with --filter=blob:none --no-checkout, then sparse-checkout only the selected skills/<name> paths before copying them. --filter=blob:none alone does not keep the cache small if the full worktree is checked out; that checkout will still download most or all needed blobs. It still preserves history metadata for SHA queries.
  • Subsequent runs: fetch + hard-reset to the upstream default branch, and re-apply sparse-checkout for only the requested skills/<name> paths before copying. If updating the whole sn-* bundle, expect most/all skill blobs to be downloaded.
  • URL changed: if cache's origin differs from the requested URL, delete and re-clone.

Compare versions per skill (A → B → C)

For each skill, pick the highest-precedence signal present on both sides (installed + upstream); equal → skip, differ → install.

Upstream "version" is the per-subtree commit SHA — using repo HEAD would mark unrelated skills as stale every time:

git -C <cache> log -1 --format=%H -- skills/<skill-name>
  • A — .sn-version marker: one-line file inside the installed skill holding the SHA from its last install.
  • B — .sn-release marker (fallback): one-line file holding the upstream tag name. Compare against git describe --tags --abbrev=0.
  • C — optional version: field in SKILL.md frontmatter: parse from YAML on both sides, but only for forks or skills that explicitly add this field. If either side lacks it, C does not apply.
  • Nothing usable → treat as stale and install.

Always write .sn-version on install so future runs can use A.


Install with backup

For each skill flagged "install":

  1. Move (not copy) any existing <agent-skills>/<skill-name>/ into a single timestamped backup bucket shared by all skills in this run: ~/.<agent>/skills_backup/<UTC-timestamp>/<skill-name>/ (e.g. 2026-04-30T15-29-07Z).
  2. Copy <cache>/skills/<skill-name>/ → <agent-skills>/<skill-name>/. Never symlink (ln -s) from the cache. The cache lives under ~/.cache/ with permissions the agent runtime may not be able to traverse, and some runtimes refuse to load skills resolved through symlinks. Always do a real recursive copy so the installed tree is self-contained and owned by the agent skills dir.
  3. Write .sn-version with the upstream subtree SHA inside the new copy.

If the bucket ends up empty (all targets were fresh installs), remove it.

The backup tree is a sibling of skills/, never a .bak folder inside it — most agent runtimes scan the whole skills/ directory and would pick up stale duplicates.


Enforce backup retention

After every run, prune the per-agent backup root to at most 3 buckets. Timestamps sort lexicographically; keep the newest 3, delete the rest. Run this even when the current run produced no backup of its own.


Report to the user

Group by status, keep it short:

Updated (3): sn-ppt-standard, sn-image-base, sn-deep-research
Already up-to-date (5): sn-ppt-creative, sn-ppt-doctor, ...
Backup: ~/.openclaw/skills_backup/2026-04-30T15-29-07Z/
  • Omit Backup: when nothing was backed up.
  • Show SHA pairs (abc1234 → def5678) only if the user asks for detail.
  • Errors get their own line — never bury them in a success summary.

Edge cases

  • Asks to delete sn- skills* — not this skill's job. Decline; point at ~/.<agent>/skills_backup/ if they want to roll back.
  • User is in the dev repo and asks to "update sn skills" — they mean push to their agent install. Proceed normally; this skill only touches the cache and the agent install dirs, never the dev checkout.
  • sn-update updating itself — fine; the new copy takes effect on the next invocation.

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