project.xcproj: unresolvedPackage when a repository URL ends in an extension other than .git

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Assessment

Difficulty
2/5
Estimated time
1-3 hours
Newbie friendliness
76/100
Issue type
Bug
Clarity
Clearly specified
Activity status
Active
Tech stack
swift
Domain
backend-api-design

Research direction

Start with XCRemoteSwiftPackageReference.name, then trace how XCProjDecoder.makePackageProductDependency uses packagesByName and how the encoder derives package names. Reproduce the failure with a repository URL ending in .ios_sdk; done means the project loads and package identity handling matches SwiftPM's removal of the full path extension.

Written by the indexing model from the issue text.

Description

Summary

Decoding a project.xcproj fails with XCProjError.unresolvedPackage when a remote package's repository URL ends in a path extension other than .git. Xcode 27.2 writes the package's SwiftPM identity into package-product-members, but XCProjDecoder looks packages up by XCRemoteSwiftPackageReference.name, which only strips .git.

Reproduction

  1. Add https://github.com/Ometria/ometria.ios_sdk as a package dependency in an Xcode project.
  2. Convert it with xcodebuild -project App.xcodeproj -convert-project "Xcode Project" (or the Project Format menu in Xcode 27.2).
  3. Load the project with XcodeProj (we hit it through Periphery).

The converted file contains:

"packages": [
  {
    "kind": "remote",
    "repository": "https://github.com/Ometria/ometria.ios_sdk",
    "version": { "up-to-next-major-version": "1.9.1" },
  },
],
...
"package-product-members": [
  {
    "package": "ometria",
    "product-name": "Ometria",
    "build-phase": { "build-phase": "frameworks" },
  },
],

Actual

Error: (XCProjError) The project has no Swift package named 'ometria'

Expected

The project loads. Xcode and xcodebuild -list read the same file without problems.

Cause

XCRemoteSwiftPackageReference.name is:

repositoryURL?.split(separator: "/").last?.replacingOccurrences(of: ".git", with: "")

which gives ometria.ios_sdk. Xcode drops the whole path extension, as SwiftPM does when deriving a package identity from a URL, giving ometria. Other packages in the same project keep their casing (MobileSDK-iOS), so only the extension handling differs. XCProjDecoder.makePackageProductDependency then misses packagesByName["ometria"].

Deriving the name used by packagesByName (and by the encoder) with the path extension removed, instead of only .git, would fix it.

Environment

  • Xcode 27.2 (27B52)
  • Periphery 1.0.0.beta.9 with XcodeProj's project.xcproj support
Dominant language
Swift
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