Do not compile the dependencies in release mode by default

With Swift 6 it does not work anymore.
See <swiftlang/swift#76605>.

Author: Frizlab

Sources/swift-sh/Helpers/DepsPackage.swift

@@ -65,7 +65,7 @@ struct DepsPackage {
 		self.packageHash = Data(SHA256.hash(data: packageSwiftContent))
 	}
 
-	func retrieveREPLInvocation(packageFolder: FilePath, disableSandboxForPackageResolution: Bool, fileManager fm: FileManager, logger: Logger) async throws -> [String] {
+	func retrieveREPLInvocation(packageFolder: FilePath, buildDependenciesInReleaseMode: Bool, disableSandboxForPackageResolution: Bool, fileManager fm: FileManager, logger: Logger) async throws -> [String] {
 		/* Let’s see if we need to update/create the Package.swift file. */
 		let packageSwiftPath = packageFolder.appending("Package.swift")
 		let packageSwiftURL = packageSwiftPath.url
@@ -99,7 +99,7 @@ struct DepsPackage {
 		let slaveFd = FileDescriptor(rawValue: slaveRawFd)
 		let masterFd = FileDescriptor(rawValue: masterRawFd)
 		let pi = ProcessInvocation(
-			"swift", args: ["run", "-c", "release", "--repl"] + (disableSandboxForPackageResolution ? ["--disable-sandbox"] : []),
+			"swift", args: ["run", "--repl"] + (buildDependenciesInReleaseMode ? ["-c", "release"] : []) + (disableSandboxForPackageResolution ? ["--disable-sandbox"] : []),
 			usePATH: true, workingDirectory: packageFolder.url,
 			/* The environment below tricks swift somehow into allowing the REPL when stdout is not a tty.
 			 * We do one better and give it a pty directly and we know we’re good. */

Sources/swift-sh/OptionGroups/BuildAndRunOptions.swift

@@ -18,6 +18,9 @@ final class BuildAndRunOptions : ParsableArguments {
 	@Flag(name: .long, inversion: .prefixedNo)
 	var skipPackageOnNoRemoteModules = true
 
+	@Flag(name: .long, inversion: .prefixedNo)
+	var buildDependenciesInReleaseMode = false
+	
 	@Flag(name: .long, inversion: .prefixedNo)
 	var disableSandboxForPackageResolution = false
 
@@ -79,6 +82,7 @@ final class BuildAndRunOptions : ParsableArguments {
 			let packageFolderPath = try xdgDirs.ensureCacheDirPath(packageFolderRelativePath)
 			let ret = try await depsPackage.retrieveREPLInvocation(
 				packageFolder: packageFolderPath,
+				buildDependenciesInReleaseMode: buildDependenciesInReleaseMode,
 				disableSandboxForPackageResolution: disableSandboxForPackageResolution,
 				fileManager: fm, logger: logger
 			)