🐛 Don't use whoami and use NSHomeDirectory()

- This commit replaces the usage of `whoami` with `id -un`.
- This also changes all `~` replacements with the result of calling
  the `NSHomeDirectory()` which may differ from `id -un` (#189)

phpmon/Common/Core/Paths.swift

@@ -21,7 +21,7 @@ public class Paths {
 
     init() {
         baseDir = App.architecture != "x86_64" ? .opt : .usr
-        userName = String(Shell.pipe("whoami").split(separator: "\n")[0])
+        userName = String(Shell.pipe("id -un").split(separator: "\n")[0])
     }
 
     public func detectBinaryPaths() {
@@ -57,6 +57,10 @@ public class Paths {
         return shared.userName
     }
 
+    public static var homePath: String {
+        return NSHomeDirectory()
+    }
+
     public static var cellarPath: String {
         return "\(shared.baseDir.rawValue)/Cellar"
     }

phpmon/Common/Helpers/Filesystem.swift

@@ -16,7 +16,7 @@ class Filesystem {
      */
     public static func exists(_ path: String) -> Bool {
         return FileManager.default.fileExists(
-            atPath: path.replacingOccurrences(of: "~", with: "/Users/\(Paths.whoami)")
+            atPath: path.replacingOccurrences(of: "~", with: Paths.homePath)
         )
     }
 
@@ -26,13 +26,29 @@ class Filesystem {
     public static func fileExists(_ path: String) -> Bool {
         var isDirectory: ObjCBool = true
         let exists = FileManager.default.fileExists(
-            atPath: path.replacingOccurrences(of: "~", with: "/Users/\(Paths.whoami)"),
+            atPath: path.replacingOccurrences(of: "~", with: Paths.homePath),
             isDirectory: &isDirectory
         )
 
         return exists && !isDirectory.boolValue
     }
 
+    /**
+     Checks if a directory exists at the provided path.
+     */
+    public static func directoryExists(_ path: String) -> Bool {
+        var isDirectory: ObjCBool = true
+        let exists = FileManager.default.fileExists(
+            atPath: path.replacingOccurrences(of: "~", with: Paths.homePath),
+            isDirectory: &isDirectory
+        )
+
+        return exists && isDirectory.boolValue
+    }
+
+    /**
+     Checks if a given file is a symbolic link.
+     */
     public static func fileIsSymlink(_ path: String) -> Bool {
         do {
             let attribs = try FileManager.default.attributesOfItem(atPath: path)
@@ -42,17 +58,4 @@ class Filesystem {
         }
     }
 
-    /**
-     Checks if a directory exists at the provided path.
-     */
-    public static func directoryExists(_ path: String) -> Bool {
-        var isDirectory: ObjCBool = true
-        let exists = FileManager.default.fileExists(
-            atPath: path.replacingOccurrences(of: "~", with: "/Users/\(Paths.whoami)"),
-            isDirectory: &isDirectory
-        )
-
-        return exists && isDirectory.boolValue
-    }
-
 }

phpmon/Common/PHP/PHP Version/PhpHelper.swift

@@ -17,10 +17,10 @@ class PhpHelper {
         let dotless = version.replacingOccurrences(of: ".", with: "")
 
         // Determine the dotless name for this PHP version
-        let destination = "/Users/\(Paths.whoami)/.config/phpmon/bin/pm\(dotless)"
+        let destination = "\(Paths.homePath)/.config/phpmon/bin/pm\(dotless)"
 
         // Check if the ~/.config/phpmon/bin directory is in the PATH
-        let inPath = Shell.user.PATH.contains("/Users/\(Paths.whoami)/.config/phpmon/bin")
+        let inPath = Shell.user.PATH.contains("\(Paths.homePath)/.config/phpmon/bin")
 
         // Check if we can create symlinks (`/usr/local/bin` must be writable)
         let canWriteSymlinks = FileManager.default.isWritableFile(atPath: "/usr/local/bin/")
@@ -81,7 +81,7 @@ class PhpHelper {
     }
 
     private static func createSymlink(_ dotless: String) {
-        let source = "/Users/\(Paths.whoami)/.config/phpmon/bin/pm\(dotless)"
+        let source = "\(Paths.homePath)/.config/phpmon/bin/pm\(dotless)"
         let destination = "/usr/local/bin/pm\(dotless)"
 
         if !Filesystem.fileExists(destination) {

phpmon/Common/PHP/PhpConfigurationFile.swift

@@ -32,18 +32,11 @@ class PhpConfigurationFile: CreatedFromFile {
 
     /** Resolves a PHP configuration file (.ini) */
     static func from(filePath: String) -> Self? {
-        let path = filePath.replacingOccurrences(
-            of: "~",
-            with: "/Users/\(Paths.whoami)"
-        )
+        let path = filePath.replacingOccurrences(of: "~", with: Paths.homePath)
 
         do {
             let fileContents = try String(contentsOfFile: path)
-
-            return Self.init(
-                path: path,
-                contents: fileContents
-            )
+            return Self.init(path: path, contents: fileContents)
         } catch {
             Log.warn("Could not read the PHP configuration file at: `\(filePath)`")
             return nil

phpmon/Domain/Integrations/Nginx/NginxConfigurationFile.swift

@@ -21,18 +21,12 @@ class NginxConfigurationFile: CreatedFromFile {
 
     /** Resolves an nginx configuration file (.conf) */
     static func from(filePath: String) -> Self? {
-        let path = filePath.replacingOccurrences(
-            of: "~",
-            with: "/Users/\(Paths.whoami)"
-        )
+        let path = filePath.replacingOccurrences(of: "~", with: Paths.homePath)
 
         do {
             let fileContents = try String(contentsOfFile: path)
 
-            return Self.init(
-                path: path,
-                contents: fileContents
-            )
+            return Self.init(path: path, contents: fileContents)
         } catch {
             Log.warn("Could not read the nginx configuration file at: `\(filePath)`")
             return nil

phpmon/Domain/Integrations/Valet/Sites/ValetSite.swift

@@ -20,7 +20,7 @@ class ValetSite: DomainListable {
     /// replacing the user's home folder with ~.
     lazy var absolutePathRelative: String = {
         return self.absolutePath
-            .replacingOccurrences(of: "/Users/\(Paths.whoami)", with: "~")
+            .replacingOccurrences(of: Paths.homePath, with: "~")
     }()
 
     /// The TLD used to locate this site.

phpmon/Domain/Preferences/Preferences.swift

@@ -222,7 +222,7 @@ class Preferences {
         moveOutdatedConfigurationFile()
 
         // Attempt to load the file if it exists
-        let url = URL(fileURLWithPath: "/Users/\(Paths.whoami)/.config/phpmon/config.json")
+        let url = URL(fileURLWithPath: "\(Paths.homePath)/.config/phpmon/config.json")
         if Filesystem.fileExists(url.path) {
 
             Log.info("A custom ~/.config/phpmon/config.json file was found. Attempting to parse...")

phpmon/Domain/Presets/Preset.swift

@@ -264,7 +264,7 @@ struct Preset: Codable, Equatable {
 
         try! String(data: data, encoding: .utf8)!
             .write(
-                toFile: "/Users/\(Paths.whoami)/.config/phpmon/preset_revert.json",
+                toFile: "\(Paths.homePath)/.config/phpmon/preset_revert.json",
                 atomically: true,
                 encoding: .utf8
             )

phpmon/Domain/Presets/PresetHelper.swift

@@ -16,7 +16,7 @@ class PresetHelper {
 
     public static func loadRollbackPresetFromFile() {
         guard let revert = try? String(
-            contentsOfFile: "/Users/\(Paths.whoami)/.config/phpmon/preset_revert.json",
+            contentsOfFile: "\(Paths.homePath)/.config/phpmon/preset_revert.json",
             encoding: .utf8
         ) else {
             PresetHelper.rollbackPreset = nil

phpmon/Domain/Warnings/WarningManager.swift

@@ -32,7 +32,7 @@ class WarningManager {
         ),
         Warning(
             command: {
-                return !Shell.user.PATH.contains("/Users/\(Paths.whoami)/.config/phpmon/bin") &&
+                return !Shell.user.PATH.contains("\(Paths.homePath)/.config/phpmon/bin") &&
                     !FileManager.default.isWritableFile(atPath: "/usr/local/bin/")
             },
             name: "Helpers cannot be symlinked and not in PATH",