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feat(backend): add experimental spinel backend - #13922
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Compile Ruby CLIs from GitHub source with Spinel, matz's Ruby AOT compiler. Based on nateberkopec/mise-backend-spinel. Co-authored-by: Nate Berkopec <845662+nateberkopec@users.noreply.github.com> Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
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Included review availability: This review used your included allowance. Your plan provides up to 10 included reviews per hour; 7 remain after this review. π WalkthroughWalkthroughThe change adds an experimental Spinel backend for compiling Ruby tools from GitHub repositories. It registers the backend, lists repository versions, validates build options, invokes Spinel during installation, and adds backend documentation and navigation links. ChangesSpinel backend
Priority: β¬οΈ Low Estimated code review effort: 3 (Moderate) | ~25 minutes Change: Feature Sequence Diagram(s)sequenceDiagram
participant SpinelBackend
participant Git
participant GitHubRepository
participant Spinel
SpinelBackend->>Git: List tags or fetch selected source
Git->>GitHubRepository: Read tags or source
SpinelBackend->>Spinel: Compile configured entrypoint
Spinel-->>SpinelBackend: Produce output executable
Merge Risk: βͺ Minimal Β· up to The documented setup configures the entrypoint before installation, and invalid dot-name outputs are rejected before writing. No actionable merge risk remains in the reviewed changes. Security Architecture ReviewSecurity architecture risk: π‘ Moderate Β· up to The compiler override appears able to evade safe-mode restrictions, and changing a commit pin can reuse an older executable. These affect trust in project configuration and installed-tool provenance. Existing input validation and installation cleanup limit other risks. Retained concerns
Security review detailsSecurity Blast Radius
Security Findings and Attack Paths
Trust Boundaries and Controls
Resilience and Maintainability Implications
Hardening Proposals
π₯ Pre-merge checks | β 4 | β 1β Failed checks (1 warning)
β Passed checks (4 passed)
Full details: Docstring CoverageExplanation Docstring coverage is 29.03% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 31 functions across 5 files. (2 skipped: 2 unsupported.)
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Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
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Actionable comments posted: 2
- πͺ Fix CodeRabbit comments on this PR
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Inline comments:
Review comments at @docs/dev-tools/backends/spinel.md:
- Line 32: Move the `[tools."spinel:tobi/try"]` configuration, including
`entrypoint = "try.rb"`, before the `mise use spinel:tobi/try@1.10.1` command so
Spinel uses the repositoryβs actual entrypoint when installing the tool.
Review comments at @src/backend/spinel.rs:
- Around line 242-246: Gate the Unix-specific `is_executable` implementation
with a Unix compile-time configuration, and provide a non-Unix implementation
that checks whether the path is a file. Keep both implementations under the
`is_executable` symbol so callers remain unchanged.
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π Files selected for processing (8)
docs/.vitepress/sidebar.tsdocs/dev-tools/backends/index.mddocs/dev-tools/backends/spinel.mdschema/mise-registry-tool.jsonsrc/backend/backend_type.rssrc/backend/mod.rssrc/backend/spinel.rssrc/cli/edit.rs
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Gate the unix-only executable check so Windows builds, opt out of lockfile URLs, key the version cache on tag_prefix, and start each build from a clean source directory. Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Instruction counts
No instruction-count regression above 1%. Only instruction counts gate. Wall clock is shown for context β on identical hardware it moves 4-20% run to run. Measured by tak β instruction-counted CLI benchmarks, stored in this repository's git notes.
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<!-- entire-trail-link-start --> https://entire.io/gh/jdx/mise/trails/405 <!-- entire-trail-link-end --> Editors validate and autocomplete `mise.toml` from `schema/mise.json`, but a `[tools]` entry only ever got the generic options, so `asset_pattern`, `features`, `release_type` and friends were untyped and invisible. This makes the schema offer each backend's own options, and the core tools' options, only for tools of that kind. ```toml [tools] "github:cli/cli" = { version = "2", asset_pattern = 5 } # flagged: must be a string "aqua:o/r" = { version = "1", libc = "uclibc" } # flagged: glibc, gnu or musl java = { version = "21", release_type = "stable" } # flagged: ga or ea "cargo:ripgrep" = { version = "latest", features = ["pcre2"] } # completes and validates ``` ## What changes - **Typed options per backend.** A `patternProperties` entry on `tools` matches the backend prefix (`^github:`, `^(pypi|pipx):`, ...) and points at a definition that extends the generic tool. Covered: github, gitlab, forgejo, ubi, http, s3, aqua, cargo, npm, pypi/pipx, gem, go, conda, spm, packslip, and spinel from #13922. Every other key still gets the generic definition, so an unrelated `cargo:foo = { entrypoint = 5 }` is unaffected. - **Core tools.** `python` (`patch_sysconfig`), `java` (`release_type`), `rust` (`profile`, `components`, `targets`, `mr_boxington`) and core `dotnet` (`runtime`), including `core:` and bracketed spellings. - **Task tool tables.** `[tasks.*.tools]` uses the same typed definitions. - **Per-platform overrides.** `platforms.<os>-<arch>` (and the `platform` alias) is modelled for every tool, and typed for the options each backend actually reads per platform (for example `github` `asset_pattern` and `url`, `http` `url` and `checksum`). - **`prerelease`** is added as a generic option, because every backend reads it. `lazy_bins` now accepts a string as well as an array, matching the parser. - **Booleans** accept `true`/`false`, the strings `"true"`/`"false"`, and `1`/`0`, because mise coerces them. This avoids flagging configs that work today. - **`experimental_monorepo_root`** is accepted as a deprecated key. mise still honors it with a warning, but the root schema rejected it. Option definitions live once in `tool_<backend>_options`, and platform entries `$ref` into them, which keeps the diff to one definition per option. `schema/mise-task.json` is regenerated by `render:schema`. The option lists come from the backend source (what each backend actually reads), not only the docs. Options the docs miss, such as the `format` option on `github`, `http` and `s3`, are included. ## Out of scope Left for follow-ups: per-preset daemon `options` and `ports`, the undocumented `[bootstrap]` `secrets`, `groups`, `users` and `compose` sections, and typed options in `mise-registry-tool.json`. ## Testing - `ajv compile --strict-types --strict-tuples` passes on both schemas, the same flags `hk` runs. - `e2e/config/test_schema_ajv` gains valid and invalid cases for each family above, plus task tool tables. `e2e/config/test_schema_tombi` checks that tombi accepts the valid config and rejects a wrong-typed `asset_pattern` and a bad `release_type`. The existing schema e2e tests still pass. This builds on #13922, which adds the `spinel` backend. *AI-assisted β Tool: Claude Code; model: anthropic/claude-sonnet-5-5; version: 2.1.286.* π€ Generated with [Claude Code](https://claude.com/claude-code) <!-- CURSOR_SUMMARY --> --- > [!NOTE] > **Medium Risk** > Large schema-only change that may surface new editor validation errors on existing configs; runtime behavior is unchanged but misaligned schema rules could confuse users. > > **Overview** > **`mise.json` and `mise-task.json` now validate `[tools]` (and task-level tool tables) with backend- and core-specific option shapes**, instead of only generic tool fields. Tool keys are matched by prefix (`github:`, `cargo:`, `python`, etc.) and validated against dedicated defs that layer shared options with backend options and typed `platforms` / `platform` overrides. > > Editors get stricter checks on enums, types, and platform key patterns (e.g. wrong `asset_pattern` type, invalid `java.release_type`, bad `lazy_bins` paths). **`lazy_bins`** accepts a single name or a list; **`prerelease`** is documented on generic tools; boolean-like options accept bool, `"true"`/`"false"`, and `0`/`1` where mise coerces them. **`experimental_monorepo_root`** is allowed again as a deprecated root key. > > **E2E** adds AJV and Tombi fixtures for valid/invalid backend and core options, task tools, and the legacy monorepo key. > > <sup>Reviewed by [Cursor Bugbot](https://cursor.com/bugbot) for commit e632596. Bugbot is set up for automated code reviews on this repo. Configure [here](https://www.cursor.com/dashboard/bugbot).</sup> <!-- /CURSOR_SUMMARY --> <!-- This is an auto-generated comment: release notes by coderabbit.ai --> ## Summary by CodeRabbit * **New Features** * Configuration validation recognizes backend-specific options for supported tools, including platform overrides and prerelease settings. * `lazy_bins` accepts a single slash-free value or a list of slash-free values. * `experimental_monorepo_root` is accepted as a deprecated alias for `monorepo_root`. * Supported boolean-like tool settings accept booleans, `"true"`/`"false"` strings, or `0`/`1`. * **Bug Fixes** * Global and task-level tool declarations validate supported backend options and reject invalid values. * **Tests** * Added coverage for valid and invalid backend-specific options. <!-- end of auto-generated comment: release notes by coderabbit.ai --> --------- Co-authored-by: Claude Sonnet 5.5 <noreply@anthropic.com>
<!-- entire-trail-link-start --> https://entire.io/gh/jdx/mise/trails/403 <!-- entire-trail-link-end --> ### π Features - **(backend)** add experimental spinel backend by @jdx in [#13922](#13922) - **(daemons)** support daemon presets on Windows by @JamBalaya56562 in [#13929](#13929) - **(schema)** type tool options per backend and core tool by @jdx in [#13924](#13924) ### π Bug Fixes - **(activate)** keep loading trusted configs when a project config is untrusted by @jdx in [#13919](#13919) - **(config)** report a failed settings reload instead of aborting by @jdx in [#13925](#13925) - **(config)** skip miserc discovery with --no-config by @donbeave in [#13926](#13926) - **(daemons)** start a task daemon with init under cmd.exe on Windows by @JamBalaya56562 in [#13928](#13928) - **(dotfiles)** read saved history after directory-to-symlink changes by @jdx in [#13931](#13931) - **(exec)** keep double quotes in a positional cmd /c command on Windows by @JamBalaya56562 in [#13887](#13887) - **(packslip)** follow transferred repositories, and document installing mise with packslip by @jdx in [#13710](#13710) - **(task)** send Ctrl+C to a timed-out task on Windows before terminating it by @JamBalaya56562 in [#13889](#13889) - **(task)** report a timed-out task as failed even when it exits cleanly by @Marukome0743 in [#13930](#13930) ### π Documentation - join the showreel films' cuts and play the kit's own brand cards by @jdx in [#13927](#13927) ### π¦ Registry - prefer signed packslips for helmfile and dagu by @jdx in [#13933](#13933) ### Chore - add hk pre-commit hook and drop redundant crate homepages by @jdx in [#13920](#13920) ## π¦ Aqua Registry Updates ### New Packages (2) - [`goccy/tobari`](https://github.com/goccy/tobari) - [`ymmt2005/pbschema-lens`](https://github.com/ymmt2005/pbschema-lens) ### Updated Packages (5) - [`cloudposse/atmos`](https://github.com/cloudposse/atmos) - [`ducaale/xh`](https://github.com/ducaale/xh) - [`git-bug/git-bug`](https://github.com/git-bug/git-bug) - [`openai/tunnel-client`](https://github.com/openai/tunnel-client) - [`regclient/regclient/regctl`](https://github.com/regclient/regclient)

https://entire.io/gh/jdx/mise/trails/404
Adds an experimental
spinel:backend that compiles a Ruby command-line tool from a GitHub repository into a native executable with Spinel, Matz's Ruby AOT compiler (requested in discussion 13301).mise ls-remote spinel:tobi/trylists git tags throughgit ls-remote, so it never touches the GitHub API. Options areentrypoint,bin,tag_prefix,source_refandspinel. The backend needs thespinelcompiler onPATH, or its path in thespineloption. Spinel ships as source, so mise does not install it yet. macOS and Linux only.Status
We're doing this, but only because it's for Matz. It is gated behind
experimental, and it may not survive. If it turns into a large maintenance burden, or Spinel doesn't take off, it will be removed. The docs page says the same.Based on nateberkopec/mise-backend-spinel; Nate is credited as co-author.
Testing
I built Spinel at the commit Nate's README pins, then ran
mise installandmise x -- try --helpagainsttobi/try. Unit tests cover tag parsing and option validation. Clippy with-D warningsis clean.mise run lint-fixfails locally on the repo's existingpackage.homepagemanifest warnings, so lint did not run; CI will.AI-assisted β Tool: Claude Code; model: anthropic/claude-sonnet-5-5; version: 2.1.286.
π€ Generated with Claude Code
Note
Medium Risk
Install runs git and an external compiler on user-supplied repos; inputs are validated and the feature is experimental-only, but failed or malicious source could still affect the build environment.
Overview
Adds an experimental
spinel:installation backend that builds a Ruby CLI from a GitHub repo (owner/repo) into a standalone native binary via the external Spinel AOT compiler, without bundling Ruby or Spinel in the output.Install flow shallow-fetches a tag or
source_refwithgit, runs the configuredspinelbinary onentrypoint, and writes the result tobin/. Remote versions come fromgit ls-remotetags (optionaltag_prefix), not the GitHub API. Tool options includeentrypoint,bin,tag_prefix,source_ref, andspinel(install-time only).Wiring updates register
BackendType::Spinel, hook it into backend dispatch andmise edit, extend the registry JSON schema, and add docs/sidebar/llms.txtentries. Use requiresmise settings experimental=true; Windows is rejected at install time.Reviewed by Cursor Bugbot for commit 1fbcbc3. Bugbot is set up for automated code reviews on this repo. Configure here.
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