Files
swift-bump-version/Sources/GitVersion/LiveKey.swift
2023-03-10 11:07:27 -05:00

81 lines
2.0 KiB
Swift

import Foundation
import ShellClient
extension GitVersionClient: DependencyKey {
public static var liveValue: GitVersionClient {
.init(currentVersion: { gitDirectory in
try GitVersion(workingDirectory: gitDirectory).currentVersion()
})
}
}
fileprivate struct GitVersion {
@Dependency(\.logger) var logger: Logger
@Dependency(\.shellClient) var shell: ShellClient
let workingDirectory: String?
func currentVersion() throws -> String {
logger.debug("\("Fetching current version".bold)")
do {
logger.debug("Checking for tag.")
return try run(command: command(for: .describe))
} catch {
logger.debug("\("No tag found, deferring to branch & git sha".red)")
let branch = try run(command: command(for: .branch))
let commit = try run(command: command(for: .commit))
return "\(branch) \(commit)"
}
}
private func command(for argument: VersionArgs) -> ShellCommand {
.init(
shell: .env,
environment: nil,
in: workingDirectory,
arguments: argument.arguments
)
}
}
fileprivate extension GitVersion {
func run(command: ShellCommand) throws -> String {
try shell.background(command, trimmingCharactersIn: .whitespacesAndNewlines)
}
enum VersionArgs {
case branch
case commit
case describe
var arguments: [Args] {
switch self {
case .branch:
return [.git, .symbolicRef, .quiet, .short, .head]
case .commit:
return [.git, .revParse, .short, .head]
case .describe:
return [.git, .describe, .tags, .exactMatch]
}
}
enum Args: String, CustomStringConvertible {
case git
case describe
case tags = "--tags"
case exactMatch = "--exact-match"
case quiet = "--quiet"
case symbolicRef = "symbolic-ref"
case revParse = "rev-parse"
case short = "--short"
case head = "HEAD"
}
}
}
fileprivate extension RawRepresentable where RawValue == String, Self: CustomStringConvertible {
var description: String { rawValue }
}