feat(base): publish the minimum supported version of dart

[viceice]

Changes

Publishes the minVersion of dart in the tool metadata: 2.0.0. The install already rejects older majors, and 2.0.0 has the required .sha256sum.

Container-tested on jammy, noble and resolute: dart 2.0.0 installs, dart --version reports it and a script runs. The CLI behaviour doesn't change; rejecting older versions is #7772.

Context

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Claude Opus 5.5 (Claude Code) checked and container-tested the version and wrote the change and test, reviewed by @viceice.

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🤖 Generated with Claude Code

Summary by CodeRabbit

• Updates
  • Dart installations now require version 2.0.0 or later. Older versions are no longer accepted.

[qodo-code-review]

PR Summary by Qodo

Publish Dart 2.0.0 as the minimum supported version

✨ Enhancement 🕐 10-20 Minutes

AI Description

• Publish Dart 2.0.0 as the minimum supported version in base tool metadata.
• Declare the limit on Dart’s install service, matching its existing rejection of older major
 versions.
• Extend the base metadata test to cover Dart’s minimum version.

Diagram

graph TD
  D["Dart install service"] --> L["Tool discovery"] --> G["Metadata generator"] --> T["Typed tool catalog"] --> V["Metadata test"]
  G --> J["JSON tool catalog"]

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High-Level Assessment

Declaring the limit on the install service and publishing both generated catalogs follows the existing single-source metadata flow. A metadata-only declaration would leave the service and generated catalogs out of sync.

Files changed (4) +6 / -2

Enhancement (3) +5 / -2

tools.jsonPublish Dart’s minimum version in JSON +1/-1

Publish Dart’s minimum version in JSON

• Adds Dart 2.0.0 to the JSON tool metadata consumed from the base package.

packages/base/data/tools.json

data.tsExpose Dart’s minimum version in typed metadata +1/-1

Expose Dart’s minimum version in typed metadata

• Adds the same minimum version to the generated TypeScript tool catalog.

packages/base/src/data.ts

index.tsDeclare the Dart install service’s minimum version +3/-0

Declare the Dart install service’s minimum version

• Sets the service’s minimum version to 2.0.0, consistent with its existing rejection of versions below major 2.

src/cli/tools/dart/index.ts

Tests (1) +1 / -0

base.spec.tsCheck Dart’s published minimum version +1/-0

Check Dart’s published minimum version

• Adds Dart 2.0.0 to the expected minimum-version entries in the base metadata test.

test/packages/base.spec.ts

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📥 Commits

Reviewing files that changed from the base of the PR and between 293457f and 87ab3bf.

📒 Files selected for processing: 4

• packages/base/data/tools.json
• packages/base/src/data.ts
• src/cli/tools/dart/index.ts
• test/packages/base.spec.ts

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📝 Walkthrough

The Dart tool now declares a minimum version of 2.0.0 in its metadata and install service. The package test expectation includes this minimum version.

Changes: Dart minimum version

Layer / File(s)	Summary
Declare and verify Dart minimum version src/cli/tools/dart/index.ts, packages/base/data/tools.json, packages/base/src/data.ts, test/packages/base.spec.ts	The Dart install service and tool metadata specify a minimum version of 2.0.0. The package test expectation includes the same version.

Priority: ⬇️ Low

Estimated code review effort: 1 (Trivial) | ~4 minutes

Change: Feature

Merge Risk: ⚪ Minimal · up to 87ab3

The change publishes Dart 2.0.0 as its minimum supported version. The installer contract and generated metadata agree, with no concrete merge-blocking risk identified.

Pre-merge checks: 5

Passed checks: 5 passed

Check name	Status	Explanation
Description Check		Check skipped - CodeRabbit’s high-level summary is enabled.
Title check		The title clearly and concisely describes the main change: publishing Dart's minimum supported version.
Docstring Coverage		No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 3…
Linked Issues check		Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check		Check skipped because no linked issues were found for this pull request.

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[qodo-code-review]

Code Review by Qodo

📎 Requirement gaps (1)

View low (1)

1. Older Dart releases pass validation 📎 Requirement gap

Description

DartInstallService publishes minVersion but inherits BaseInstallService.validate(), which only
checks whether the requested version is valid and never compares it with the minimum. Requests below
2.0.0 can therefore pass validation without a minimum-version error, even though the later install
path only rejects versions whose major is below 2.

Code

src/cli/tools/dart/index.ts[R44-45]

+  /** The install rejects older majors, 2.0.0 is container tested. */
+  override readonly minVersion = '2.0.0';

Agent prompt

The issue below was found during a code review. Follow the provided context and guidance below and implement a solution

## Issue description
Dart now publishes a `2.0.0` minimum, but the base validation path does not enforce published minimum metadata before installation. This allows unsupported versions to pass validation and does not provide the required minimum-version rejection message.

## Fix Focus Areas
- src/cli/tools/dart/index.ts[44-45]
- src/cli/install-tool/base-install.service.ts[128-132]
- src/cli/install-tool/install-tool.service.ts[120-127]

## Recommended Fix
Update the shared validation flow to compare each requested version with the service's `minVersion` using the tool's versioning scheme, reject versions below the minimum with an error that names the minimum, and add Dart coverage for below-minimum and supported versions.

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[viceice]

On the Qodo findings: both are intentional and tracked in #7772.

• This PR only publishes the minimum in the tool metadata. Rejecting older versions in the CLI is a breaking change, planned for a major release in Reject tool versions below the minimum supported version #7772.
• Listing the minimums per tool in docs/tools.md is part of Reject tool versions below the minimum supported version #7772 too, together with the enforcement, so the docs don't have to change twice.

The verified minimums, with their reasons and per-release floors, are collected in #7772 (comment).

_{Drafted by Claude Opus 5.5 (Claude Code) for @viceice.}

[github-actions]

🎉 This PR is included in version 14.38.0 🎉

The release is available on:

• GitHub release
• 14.38.0

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