swiftlang/swift-package-manager

[SR-7821] Provide a way to validate that a version is syntactically valid

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#4810 opened on May 31, 2018

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buggood first issue

Description
Previous ID SR-7821
Radar rdar://problem/31742084
Original Reporter @aciidb0mb3r
Type Bug
Votes 0
Component/s Package Manager
Labels Bug, StarterBug
Assignee None
Priority Medium

md5: 46680a2c0ec36bb66247502e88b4930f

Issue Description:

Right now, calling `Utility.Version(string: foo)` with a user-entered string returns nil whenever the string is malformed in any way, but it doesn’t provide any diagnostics about what the problem is.

Contributor guide

Tech stack
swift
Domain
clitooling
Issue type
bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
fresh
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
clear
Prerequisites
Swift programmingVersion parsing conceptsSwift Package Manager basics
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
85
Research direction
Examine the `Utility.Version` initializer in the Swift Package Manager codebase, likely in `Sources/PackageModel` or `Sources/Utility`. Review the existing comments on the issue for additional context. Consider adding error diagnostics to return a descriptive error message instead of nil when the version string is malformed.