Files
swift-bump-version/Sources/CliClient/Internal/FileClient+semVar.swift
2024-12-28 00:12:49 -05:00

82 lines
2.5 KiB
Swift

import Dependencies
import FileClient
import Foundation
import GitClient
@_spi(Internal)
public extension FileClient {
func loadCurrentVersion(
url: URL,
gitDirectory: String?,
expectsBranch: Bool
) async throws -> CurrentVersionContainer.CurrentVersion? {
@Dependency(\.logger) var logger
switch expectsBranch {
case true:
let (string, usesOptionalType) = try await branch(file: url, gitDirectory: gitDirectory)
logger.debug("Loaded branch: \(string)")
return .branch(string, usesOptionalType: usesOptionalType)
case false:
let (semvar, usesOptionalType) = try await semvar(file: url, gitDirectory: gitDirectory)
guard let semvar else { return nil }
logger.debug("Semvar: \(semvar)")
return .semvar(semvar, usesOptionalType: usesOptionalType)
}
}
// TODO: Make private.
func branch(
file: URL,
gitDirectory: String?
) async throws -> (string: String, usesOptionalType: Bool) {
let (string, usesOptionalType) = try await getVersionString(fileUrl: file, gitDirectory: gitDirectory)
return (string, usesOptionalType)
}
// TODO: Make private.
func semvar(
file: URL,
gitDirectory: String?
) async throws -> (semVar: SemVar?, usesOptionalType: Bool) {
let (string, usesOptionalType) = try await getVersionString(fileUrl: file, gitDirectory: gitDirectory)
let semvar = SemVar(string: string)
return (semvar, usesOptionalType)
}
private func getVersionString(
fileUrl: URL,
gitDirectory: String?
) async throws -> (version: String, usesOptionalType: Bool) {
@Dependency(\.gitClient) var gitClient
@Dependency(\.logger) var logger
let targetUrl = fileUrl
guard fileExists(targetUrl) else {
throw CliClientError.fileDoesNotExist(path: fileUrl.cleanFilePath)
}
let contents = try await read(targetUrl)
let versionLine = contents.split(separator: "\n")
.first { $0.hasPrefix("let VERSION:") }
guard let versionLine else {
throw CliClientError.failedToParseVersionFile
}
logger.debug("Version line: \(versionLine)")
let isOptional = versionLine.contains("String?")
logger.trace("Uses optional: \(isOptional)")
let versionString = versionLine.split(separator: "let VERSION: \(isOptional ? "String?" : "String") = ").last
guard let versionString else {
throw CliClientError.failedToParseVersionFile
}
logger.trace("Parsed version string: \(versionString)")
return (String(versionString), isOptional)
}
}