docs(plan): tick landed clap gaps and stop quoting vector counts - #1027
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📝 WalkthroughWalkthroughThe PR adds multicall support across Rust and Go. It adds argv0-based applet routing, specification and derive support, rich choice metadata, validation, generated integration support, conformance vectors, tests, and documentation. ChangesMulticall and rich choice support
Estimated code review effort: 4 (Complex) | ~60 minutes Merge Risk: 🟡 Moderate · up to The PR updates parser behavior and generated command specifications, but the current implementation can accept non-ASCII case variants inconsistently, emit specifications that reject aliases accepted by derived CLIs, and discard metadata from duplicate choices; multicall validation also remains incomplete. These correctness and interoperability issues should be fixed or explicitly accepted before merge. Sequence Diagram(s)sequenceDiagram
participant Process
participant MulticallRouter
participant CommandParser
participant ConformanceRunner
Process->>MulticallRouter: provide argv0 and arguments
MulticallRouter->>MulticallRouter: normalize basename and select applet
MulticallRouter->>CommandParser: prepend applet or skip dispatcher name
ConformanceRunner->>CommandParser: execute multicall vector
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Instruction countsNothing was compared, and so nothing was gated. No series appears on both sides: either the base has no measurements recorded, or the two were measured on different runner classes, which are deliberately not comparable — counts shift between machine types by more than a real regression does. New, nothing to compare against: Only instruction counts gate. Wall clock is shown for context — on identical hardware it moves 4-20% run to run. Measured by tak — instruction-counted CLI benchmarks, stored in this repository's git notes. Shadow comparisonParsing
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Inline comments:
In `@argv/src/lib.rs`:
- Around line 225-250: Normalize configured dispatcher values before matching:
update argv/src/lib.rs lines 225-250 in multicall_applet to pass name and bin
through multicall_basename before comparing with base, and apply the same
normalization in lib/src/parse.rs lines 552-577 for direct parsing consistency.
Add tests using a distinct name and a path- or .exe-suffixed bin to verify
dispatcher invocations are not injected as applets.
In `@derive/src/model.rs`:
- Around line 751-762: Align multicall validation around named subcommands: in
derive/src/model.rs:751-762, reject multicall configurations containing only
external subcommands; in cli/src/cli/lint.rs:177-184, apply the same
valid-target definition; and in cli/src/cli/lint.rs:730-743, add the
external-only validation case for the selected contract.
In `@docs/spec/integrations/clap.md`:
- Around line 66-70: Update the documentation around Command::is_multicall_set
so it no longer presents adding a hand-written overlay spec as a separate
required path; clarify or remove that instruction while preserving the statement
that multicall is emitted as multicall `#true`.
In `@go/conformance/conformance_test.go`:
- Line 42: Change the Argv0 field to a presence-aware representation, such as
*string, and update run so it defaults to the dispatcher name only when Argv0 is
nil; when supplied, including an empty string, use the dereferenced value.
In `@lib/src/spec/mod.rs`:
- Around line 384-386: Update the merge logic around the multicall field in the
relevant spec node type to track whether multicall was explicitly specified,
then assign both true and false values during merging so an included spec
overrides the existing value. Add include-order tests covering included
multicall true and false values.
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📒 Files selected for processing (27)
PLAN.mdargv/src/lib.rsargv/src/spec.rscli/src/cli/lint.rsconformance/src/argv.rsconformance/src/lib.rsconformance/src/reference.rsconformance/src/tables.rsconformance/tests/spec_roundtrip.rscorpus/12-multicall.jsoncorpus/README.mdderive/src/codegen.rsderive/src/lib.rsderive/src/model.rsdocs/go/generated-code.mddocs/rust/args-and-flags.mddocs/rust/subcommands.mddocs/spec/argv.mddocs/spec/integrations/clap.mddocs/spec/reference/index.mdgo/argv/multicall.gogo/argv/multicall_test.gogo/conformance/conformance_test.gogo/internal/spec/spec.golib/src/parse.rslib/src/spec/mod.rsxtask/src/shadow.rs
🚧 Files skipped from review as they are similar to previous changes (1)
- PLAN.md
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Inline comments:
In `@derive/src/codegen.rs`:
- Around line 4468-4472: Update choices_tokens and the generated choice metadata
so ValueEnum::ACCEPTED_CHOICES and ValueEnum::IGNORE_CASE are preserved
alongside CHOICES. Ensure SPEC.to_kdl() emits aliases and the ignore_case
property, matching the derived CLI’s accepted inputs. Add a to_kdl() round-trip
test covering aliases and case-insensitive choices.
In `@go/argv/post.go`:
- Around line 347-349: Update containsChoice to use ASCII-only case-insensitive
matching instead of strings.EqualFold, while preserving exact-match behavior and
the ignoreCase flag. Add a regression test confirming non-ASCII equivalents such
as “K” and “K” are not treated as equal.
In `@lib/src/spec/choices.rs`:
- Around line 133-136: Update the choice-node handling around config.choices and
config.details to reject a duplicate canonical value before appending its detail
metadata. Validate membership first, preserve the existing insertion path for
new values, and return the appropriate duplicate-choice error without pushing
either duplicate value metadata or detail.
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📒 Files selected for processing (20)
PLAN.mdargv/src/spec.rsconformance/tests/typed.rsderive/src/codegen.rsderive/src/lib.rsderive/src/model.rsdocs/spec/reference/arg.mdgo/argv/post.gogo/argv/post_test.gogo/argv/request.gogo/argv/request_test.gogo/internal/shadow/mise/tables.gogo/internal/spec/spec.gogo/internal/spec/spec_test.golib/src/go/mod.rslib/src/lib.rslib/src/parse.rslib/src/spec/arg.rslib/src/spec/choices.rslib/src/spec/flag.rs
🚧 Files skipped from review as they are similar to previous changes (3)
- derive/src/lib.rs
- PLAN.md
- lib/src/parse.rs
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external_subcommand and default_if are in the parser, the derive, and the corpus. Split multicall from no_binary_name so the next PR can close one without pretending the other landed. Drop the stale "154 vectors" quotes in PLAN.md and go/README.md the same way the argv grammar page already did. Co-authored-by: jeff <jeff@jdx.dev>
## Summary - add backward-compatible rich `choices` blocks with per-value help, hidden values, and visible or hidden aliases - apply `ignore_case` and aliases in usage-lib while keeping hidden entries out of visible choice lists - preserve clap `PossibleValue` metadata through the clap-to-spec bridge ## Follow-up Generated Rust and Go tables still flatten choice metadata. A follow-up PR will stack on this one to carry the model through those runtimes. ## Test plan - `cargo test -p usage-lib --all-features` - `cargo clippy -p usage-lib --all-features -- -D warnings` Ready for review. <!-- CURSOR_SUMMARY --> --- > [!NOTE] > **Medium Risk** > Touches argv choice validation for all enumerated args and flags; behavior is backward compatible for simple lists but new alias/case rules change acceptance for rich specs. > > **Overview** > Extends CLI **choices** beyond flat string lists so KDL and usage-lib can carry clap-style `PossibleValue` metadata: `ignore_case`, per-value help, hidden values, and visible or hidden aliases. Simple `choices "a" "b"` specs stay valid; rich blocks use nested `choice` / `alias` nodes as documented in `arg.md`. > > **Parsing and validation** now resolve choices through `SpecChoices::matches` / `matches_with_env`, so argv accepts aliases and case-insensitive canonical names while **visible** choice lists omit hidden values and include non-hidden aliases. KDL round-trips the rich form when `details` is present. > > The **clap → spec** path is centralized in `choices_from_clap` (args and flags), preserving help, hide, aliases, and `ignore_case` instead of flattening to strings. `SpecChoice` and `SpecChoiceAlias` are exported from the crate. > > `PLAN.md` notes that generated Rust/Go tables still flatten choices; that codegen is explicitly out of scope here. > > <sup>Reviewed by [Cursor Bugbot](https://cursor.com/bugbot) for commit cfc5038. Bugbot is set up for automated code reviews on this repo. Configure [here](https://www.cursor.com/dashboard/bugbot).</sup> <!-- /CURSOR_SUMMARY -->
## Summary - decode rich choice details from lowered specs in the Go generator - accept hidden canonical values and aliases while exposing only visible choices to help and diagnostics - honor `ignore_case` in Go post-binding validation ## Test plan - `cd go && go test ./argv ./internal/spec` Ready for review. <!-- CURSOR_SUMMARY --> --- > [!NOTE] > **Medium Risk** > Changes CLI acceptance and validation behavior for enumerated flags/args (aliases, hidden values, case folding); regressions would show up as wrongly rejected or accepted argv values rather than compile failures. > > **Overview** > Extends the Go argv stack so **rich `PossibleValue` metadata** from specs is no longer flattened to a single string list. > > **`Meta`** now carries **`AcceptedChoices`** (canonical values plus hidden choices and aliases) separately from **`Choices`** (what help and invalid-choice errors show), plus **`IgnoreCase`**. Post-binding **`Check`** validates against accepted values (with optional case folding) but still reports visible **`Choices`** on errors. Shell completion treats hidden-only choice sets like enumerated args (no path completion). > > The **Go spec builder** and **Rust `usage generate go`** emitter decode choice `details`, aliases, and `ignore_case`, populating both fields; help tables use visible choices only. Generated **mise** shadow tables pick up **`AcceptedChoices`** everywhere choices exist. **PLAN.md** notes Go is done for this item; Rust table generation remains. > > <sup>Reviewed by [Cursor Bugbot](https://cursor.com/bugbot) for commit ceee2c2. Bugbot is set up for automated code reviews on this repo. Configure [here](https://www.cursor.com/dashboard/bugbot).</sup> <!-- /CURSOR_SUMMARY -->
## Summary - add aliases to `#[derive(ValueEnum)]` variants - add enum-wide `#[usage(ignore_case)]` matching for canonical words and aliases - keep diagnostics and emitted basic choices canonical while accepting the expanded vocabulary ## Test plan - `cargo test -p usage-conformance --test typed` - `cargo clippy --workspace --all-features -- -D warnings` Ready for review. <!-- CURSOR_SUMMARY --> --- > [!NOTE] > **Medium Risk** > Changes which argv tokens parse for `value_enum` fields (aliases and optional case folding), though scope is limited to derived enums and conformance tests cover the behavior; diagnostics intentionally stay on canonical choices only. > > **Overview** > Extends the **PossibleValue / `ValueEnum`** story on the Rust derive path: enums can declare **`#[usage(alias = "...")]`** on variants and **`#[usage(ignore_case)]`** on the type. Parsing and `FromStr` accept the expanded vocabulary (aliases and, when enabled, ASCII case-insensitive canonical names and aliases); **`InvalidChoice` and emitted `choices` still list only canonical words**, matching the Go side’s split between accepted vs visible lists. > > **Runtime:** `ValueEnum` gains `ACCEPTED_CHOICES` and `IGNORE_CASE`, plus shared **`choice_matches`**. Generated `check` logic uses accepted choices for validation but canonical `CHOICES` in error messages. > > **Derive:** `ValueEnum` modeling is refactored to `ValueVariant` (name + aliases); compile-time checks reject empty aliases and duplicate names/aliases (with case folding when `ignore_case` is set). Docs and **PLAN.md** note Rust alias/case support; per-value help and hidden-value metadata in Rust remain outstanding. > > <sup>Reviewed by [Cursor Bugbot](https://cursor.com/bugbot) for commit 7987267. Bugbot is set up for automated code reviews on this repo. Configure [here](https://www.cursor.com/dashboard/bugbot).</sup> <!-- /CURSOR_SUMMARY -->
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## Summary - recommend the current `clap_usage` major version - document Unix non-UTF-8 `PathBuf` and `OsString` support accurately - remove the obsolete claim that `flatten` is unsupported ## Why These limitations remained in the public documentation after the corresponding features landed, which could incorrectly discourage migration from clap. ## Validation - `git diff --check` - `cargo fmt --all -- --check` - `cargo test -p usage-derive --doc` This PR is stacked on #1027 so its diff is limited to the documentation corrections. _This pull request was generated by Codex._ <!-- CURSOR_SUMMARY --> --- > [!NOTE] > **Low Risk** > Documentation-only changes with no runtime or API impact. > > **Overview** > **Brings public Rust documentation in line with behavior that already shipped**, so migration guidance is not misleading. > > **Non-UTF-8 argv:** Crate-level and site docs now say that on Unix, `PathBuf` and `OsString` fields take argv bytes via safe `OsStringExt::from_vec`, while `String` fields still surface invalid UTF-8 in errors; on Windows, values that cannot be converted safely are reported instead of using unchecked reconstruction. The old wording that non-UTF-8 values could only be reported, not accepted, is removed. > > **Obsolete limits:** The derive crate doc drops the “What this version does not do” section that still claimed **flatten** was unsupported (flatten is documented elsewhere on the site). > > **Integration docs:** `docs/spec/integrations/clap.md` updates the example dependency from `clap_usage = "2"` to **`"5"`**. > > <sup>Reviewed by [Cursor Bugbot](https://cursor.com/bugbot) for commit 742dd0d. Bugbot is set up for automated code reviews on this repo. Configure [here](https://www.cursor.com/dashboard/bugbot).</sup> <!-- /CURSOR_SUMMARY -->
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## Summary - add a clap compatibility matrix pinned to clap 4.6.6 and clap_derive 4.6.4 - distinguish direct usage support from clap-to-spec bridge fidelity - record partial support, intentional differences, unsupported features, and architectural non-goals - link the matrix from the Rust and clap integration documentation ## Why A clap user needs to know whether behavior survives before changing parsers. The existing plan audits gaps, but it is not presented as a migration-facing, versioned reference and does not clearly separate usage-native support from bridge loss. This establishes the first public baseline. It intentionally does not close the plan item yet: an exhaustive inventory of every forwarded builder method still remains. ## Validation - `git diff --check` - `prettier --check docs/rust/clap-compatibility.md docs/rust/index.md docs/spec/integrations/clap.md` This PR is stacked on #1027. _This pull request was generated by Codex._ <!-- CURSOR_SUMMARY --> --- > [!NOTE] > **Low Risk** > Documentation-only; no runtime, parser, or bridge code changes. > > **Overview** > Adds a **versioned clap compatibility matrix** (`clap` 4.6.6 / `clap_derive` 4.6.4) at `/rust/clap-compatibility`, aimed at migration and `clap_usage` bridge expectations. > > The page defines status labels (Supported, Usage only, Partial, Different, Unsupported, Non-goal) and tables for derives/types, arguments, relationships/routing, and help/generated artifacts. It separates **native `usage` declarations** from **`clap::Command` → spec** fidelity and calls out bridge losses (e.g. setter-only clap APIs) and usage-only extensions. > > **Rust docs** and **clap integration** pages now link to the matrix from “Where to go next” and “Links”. > > <sup>Reviewed by [Cursor Bugbot](https://cursor.com/bugbot) for commit 6296f88. Bugbot is set up for automated code reviews on this repo. Configure [here](https://www.cursor.com/dashboard/bugbot).</sup> <!-- /CURSOR_SUMMARY -->
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## Summary - carry clap `num_args` minimum and maximum into positional specs - carry fixed and ranged counts for non-repeatable value flags - preserve the bounds through emitted KDL - explicitly leave optional zero-value flags and repeatable `Append` ranges unmapped where the semantics are not lossless ## Why The clap bridge noticed that an argument was multi-valued but silently dropped its bounds. That made generated specs accept too few values and could let a variadic value consume following arguments. clap defines `num_args` per occurrence. usage repeatable flags accumulate values, so mapping an `Append` minimum as one total could let one long occurrence hide another short one. This PR maps only the cases with equivalent semantics and records the remaining limitation in `PLAN.md`. ## Validation - targeted `usage-lib` tests for fixed/ranged bounds and the excluded optional-value case - `cargo clippy -p usage-lib --all-features --all-targets -- -D warnings` - `cargo fmt --all -- --check` - `git diff --check` This PR is stacked on #1027. _This pull request was generated by Codex._ <!-- CURSOR_SUMMARY --> --- > [!NOTE] > **Medium Risk** > Changes clap-to-spec generation and argv validation for multi-value flags/positionals; incorrect mapping could reject valid CLI input or accept too many values, but scope is limited to mapped cases with targeted tests. > > **Overview** > Maps clap **`num_args`** into **`var_min` / `var_max`** on the spec when usage and clap mean the same thing: **positionals** and **non-repeatable `Set` flags** (fixed or ranged counts). Bounds survive **KDL round-trip** and are enforced at parse time. > > **Intentionally unmapped:** arguments with a **value delimiter** (token vs split-value counting differs), **`num_args` starting at 0** on flags without lossless optional-value semantics, and **`Append`** flags (per-occurrence minima must not collapse into one total). > > **Parser:** nested value **`var_min`** is checked **once per flag occurrence**, matching existing **`var_max`** behavior for multi-value flags. > > <sup>Reviewed by [Cursor Bugbot](https://cursor.com/bugbot) for commit 0ef91a5. Bugbot is set up for automated code reviews on this repo. Configure [here](https://www.cursor.com/dashboard/bugbot).</sup> <!-- /CURSOR_SUMMARY -->
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external_subcommand(#1021) anddefault_if(#1023) are in the parser, the derive, and the corpus. PLAN.md still listed them as open clap gaps.This ticks those items, drops them from the fleet table, and splits
multicallfromno_binary_nameso the next PR can close one without pretending the other landed.no_binary_namestays out of scope until a fleet CLI needs it.Also stops quoting a corpus vector count in PLAN.md and
go/README.md, matching the argv grammar page (#1024): agreement is measured on each run rather than asserted as "154".Stacked next: #1028 (
multicall).This comment was generated by Claude Code.
Summary by CodeRabbit
New Features
.exesuffixes, dispatcher names, symlink-style invocations, and external subcommands.Bug Fixes
Documentation