Dependency

A package dependency consists of a Git URL to the source of the package, and a requirement for the version of the package.

Swift Package Manager performs a process called dependency resolution to determine the exact version of the package dependencies that an app or other Swift package can use. The Package.resolved file records the results of the dependency resolution and lives in the top-level directory of a Swift package. If you add the Swift package as a package dependency to an app for an Apple platform, you can find the Package.resolved file inside your .xcodeproj or .xcworkspace.

Creating a Package Dependency

• static func package(name: String, path: String) -> Package.Dependency

  Adds a dependency to a package located at the given path on the filesystem.

• static func package(url: String, from: Version) -> Package.Dependency

  Adds a package dependency that uses the version requirement, starting with the given minimum version, going up to the next major version.

• static func package(url: String, Range<Version>) -> Package.Dependency

  Adds a package dependency starting with a specific minimum version, up to but not including a specified maximum version.

• static func package(url: String, ClosedRange<Version>) -> Package.Dependency

  Adds a package dependency starting with a specific minimum version, going up to and including a specific maximum version.

• static func package(url: String, branch: String) -> Package.Dependency

  Adds a remote package dependency given a branch requirement.

• static func package(url: String, revision: String) -> Package.Dependency

  Adds a remote package dependency given a revision requirement.

• static func package(url: String, exact: Version) -> Package.Dependency

  Adds a package dependency that uses the exact version requirement.

• static func package(path: String) -> Package.Dependency

  Adds a dependency to a package located at the given path.

Declaring Requirements

• var requirement: Requirement

  The dependency requirement of the package dependency.

• enum Requirement

  An enum that represents the requirement for a package dependency.

Describing a Package Dependency

• let kind: Kind

  A description of the package dependency.

• struct Version

  A version according to the semantic versioning specification.