diff --git a/Xcodes/Backend/Environment.swift b/Xcodes/Backend/Environment.swift
index 19644a1..203c5f4 100644
--- a/Xcodes/Backend/Environment.swift
+++ b/Xcodes/Backend/Environment.swift
@@ -24,13 +24,13 @@ public struct Environment {
 public var Current = Environment()
 
 public struct Shell {
-    public var unxip: (URL) -> Promise<ProcessOutput> = { Process.run(Path.root.usr.bin.xip, workingDirectory: $0.deletingLastPathComponent(), "--expand", "\($0.path)") }
-    public var spctlAssess: (URL) -> Promise<ProcessOutput> = { Process.run(Path.root.usr.sbin.spctl, "--assess", "--verbose", "--type", "execute", "\($0.path)") }
-    public var codesignVerify: (URL) -> Promise<ProcessOutput> = { Process.run(Path.root.usr.bin.codesign, "-vv", "-d", "\($0.path)") }
-    public var buildVersion: () -> Promise<ProcessOutput> = { Process.run(Path.root.usr.bin.sw_vers, "-buildVersion") }
-    public var xcodeBuildVersion: (InstalledXcode) -> Promise<ProcessOutput> = { Process.run(Path.root.usr.libexec.PlistBuddy, "-c", "Print :ProductBuildVersion", "\($0.path.string)/Contents/version.plist") }
-    public var getUserCacheDir: () -> Promise<ProcessOutput> = { Process.run(Path.root.usr.bin.getconf, "DARWIN_USER_CACHE_DIR") }
-    public var touchInstallCheck: (String, String, String) -> Promise<ProcessOutput> = { Process.run(Path.root.usr.bin/"touch", "\($0)com.apple.dt.Xcode.InstallCheckCache_\($1)_\($2)") }
+    public var unxip: (URL) -> AnyPublisher<ProcessOutput, Error> = { Process.run(Path.root.usr.bin.xip, workingDirectory: $0.deletingLastPathComponent(), "--expand", "\($0.path)") }
+    public var spctlAssess: (URL) -> AnyPublisher<ProcessOutput, Error> = { Process.run(Path.root.usr.sbin.spctl, "--assess", "--verbose", "--type", "execute", "\($0.path)") }
+    public var codesignVerify: (URL) -> AnyPublisher<ProcessOutput, Error> = { Process.run(Path.root.usr.bin.codesign, "-vv", "-d", "\($0.path)") }
+    public var buildVersion: () -> AnyPublisher<ProcessOutput, Error> = { Process.run(Path.root.usr.bin.sw_vers, "-buildVersion") }
+    public var xcodeBuildVersion: (InstalledXcode) -> AnyPublisher<ProcessOutput, Error> = { Process.run(Path.root.usr.libexec.PlistBuddy, "-c", "Print :ProductBuildVersion", "\($0.path.string)/Contents/version.plist") }
+    public var getUserCacheDir: () -> AnyPublisher<ProcessOutput, Error> = { Process.run(Path.root.usr.bin.getconf, "DARWIN_USER_CACHE_DIR") }
+    public var touchInstallCheck: (String, String, String) -> AnyPublisher<ProcessOutput, Error> = { Process.run(Path.root.usr.bin/"touch", "\($0)com.apple.dt.Xcode.InstallCheckCache_\($1)_\($2)") }
 
     public var xcodeSelectPrintPath: () -> AnyPublisher<ProcessOutput, Error> = { Process.run(Path.root.usr.bin.join("xcode-select"), "-p") }
 }
diff --git a/Xcodes/Backend/Process.swift b/Xcodes/Backend/Process.swift
index d5559b9..f09bd04 100644
--- a/Xcodes/Backend/Process.swift
+++ b/Xcodes/Backend/Process.swift
@@ -4,31 +4,7 @@ import Path
 
 public typealias ProcessOutput = (status: Int32, out: String, err: String)
 
-extension Process {
-    @discardableResult
-    static func run(_ executable: Path, workingDirectory: URL? = nil, input: String? = nil, _ arguments: String...) -> Promise<ProcessOutput> {
-        return run(executable.url, workingDirectory: workingDirectory, input: input, arguments)
-    }
-
-    @discardableResult
-    static func run(_ executable: URL, workingDirectory: URL? = nil, input: String? = nil, _ arguments: [String]) -> Promise<ProcessOutput> {
-        let process = Process()
-        process.currentDirectoryURL = workingDirectory ?? executable.deletingLastPathComponent()
-        process.executableURL = executable
-        process.arguments = arguments
-        if let input = input {
-            let inputPipe = Pipe()
-            process.standardInput = inputPipe.fileHandleForReading
-            inputPipe.fileHandleForWriting.write(Data(input.utf8))
-            inputPipe.fileHandleForWriting.closeFile()
-        }
-        return process.launch(.promise).map { std in 
-            let output = String(data: std.out.fileHandleForReading.readDataToEndOfFile(), encoding: .utf8) ?? ""
-            let error = String(data: std.err.fileHandleForReading.readDataToEndOfFile(), encoding: .utf8) ?? ""
-            return (process.terminationStatus, output, error)
-        }
-    }
-    
+extension Process {   
     @discardableResult
     static func run(_ executable: Path, workingDirectory: URL? = nil, input: String? = nil, _ arguments: String...) -> AnyPublisher<ProcessOutput, Error> {
         return run(executable.url, workingDirectory: workingDirectory, input: input, arguments)