✨ Generate Fish-friendly scripts (#264)

PHP Monitor.xcodeproj/project.pbxproj

@@ -3492,7 +3492,7 @@
 				CODE_SIGN_IDENTITY = "Apple Development";
 				CODE_SIGN_STYLE = Automatic;
 				COMBINE_HIDPI_IMAGES = YES;
-				CURRENT_PROJECT_VERSION = 1330;
+				CURRENT_PROJECT_VERSION = 1335;
 				DEAD_CODE_STRIPPING = YES;
 				DEBUG = YES;
 				DEVELOPMENT_TEAM = 8M54J5J787;
@@ -3523,7 +3523,7 @@
 				CODE_SIGN_IDENTITY = "Apple Development";
 				CODE_SIGN_STYLE = Automatic;
 				COMBINE_HIDPI_IMAGES = YES;
-				CURRENT_PROJECT_VERSION = 1330;
+				CURRENT_PROJECT_VERSION = 1335;
 				DEAD_CODE_STRIPPING = YES;
 				DEBUG = NO;
 				DEVELOPMENT_TEAM = 8M54J5J787;
@@ -3763,7 +3763,7 @@
 				CODE_SIGN_IDENTITY = "Apple Development";
 				CODE_SIGN_STYLE = Automatic;
 				COMBINE_HIDPI_IMAGES = YES;
-				CURRENT_PROJECT_VERSION = 1330;
+				CURRENT_PROJECT_VERSION = 1335;
 				DEAD_CODE_STRIPPING = YES;
 				DEBUG = NO;
 				DEVELOPMENT_TEAM = 8M54J5J787;
@@ -3879,7 +3879,7 @@
 				CODE_SIGN_IDENTITY = "Apple Development";
 				CODE_SIGN_STYLE = Automatic;
 				COMBINE_HIDPI_IMAGES = YES;
-				CURRENT_PROJECT_VERSION = 1330;
+				CURRENT_PROJECT_VERSION = 1335;
 				DEAD_CODE_STRIPPING = YES;
 				DEBUG = YES;
 				DEVELOPMENT_TEAM = 8M54J5J787;
@@ -3995,7 +3995,7 @@
 				CODE_SIGN_IDENTITY = "Apple Development";
 				CODE_SIGN_STYLE = Automatic;
 				COMBINE_HIDPI_IMAGES = YES;
-				CURRENT_PROJECT_VERSION = 1330;
+				CURRENT_PROJECT_VERSION = 1335;
 				DEAD_CODE_STRIPPING = YES;
 				DEBUG = YES;
 				DEVELOPMENT_TEAM = 8M54J5J787;
@@ -4176,7 +4176,7 @@
 				CODE_SIGN_IDENTITY = "Apple Development";
 				CODE_SIGN_STYLE = Automatic;
 				COMBINE_HIDPI_IMAGES = YES;
-				CURRENT_PROJECT_VERSION = 1330;
+				CURRENT_PROJECT_VERSION = 1335;
 				DEAD_CODE_STRIPPING = YES;
 				DEBUG = NO;
 				DEVELOPMENT_TEAM = 8M54J5J787;

phpmon/Common/Core/Paths.swift

@@ -17,6 +17,7 @@ public class Paths {
 
     internal var baseDir: Paths.HomebrewDir
     private var userName: String
+    private var preferredShell: String
 
     init() {
         // Assume the default directory is correct
@@ -31,9 +32,11 @@ public class Paths {
         }
 
         userName = identity()
+        preferredShell = preferred_shell()
 
         if !isRunningSwiftUIPreview {
             Log.info("The current username is `\(userName)`.")
+            Log.info("The user's shell is `\(preferredShell)`.")
         }
     }
 
@@ -104,6 +107,10 @@ public class Paths {
             + (App.identifier.contains(".dev") ? "phpmon-dev" : "phpmon")
     }
 
+    public static var shell: String {
+        return shared.preferredShell
+    }
+
     // MARK: - Flexible Binaries
     // (these can be in multiple locations, so we scan common places because)
     // (PHP Monitor will not use the user's own PATH)

phpmon/Common/Helpers/System.swift

@@ -65,3 +65,11 @@ public func identity() -> String {
 
     return output.trimmingCharacters(in: .whitespacesAndNewlines)
 }
+
+/**
+ Retrieves the user's preferred shell.
+ */
+public func preferred_shell() -> String {
+    return system("dscl . -read ~/ UserShell | sed 's/UserShell: //'")
+        .trimmingCharacters(in: .whitespacesAndNewlines)
+}

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

@@ -49,8 +49,10 @@ class PhpHelper {
                 let path = URL(fileURLWithPath: "\(Paths.optPath)/php@\(version)/bin")
                     .resolvingSymlinksInPath().path
 
-                // The contents of the script!
+                // Check if the user uses Fish
-                let script = script(path, keyPhrase, version, dotless)
+                let script = Paths.shell.contains("/fish")
+                    ? fishScript(path, keyPhrase, version, dotless)
+                    : zshScript(path, keyPhrase, version, dotless)
 
                 Task { @MainActor in
                     try FileSystem.writeAtomicallyToFile(destination, content: script)
@@ -78,7 +80,7 @@ class PhpHelper {
         }
     }
 
-    private static func script(
+    private static func zshScript(
         _ path: String,
         _ keyPhrase: String,
         _ version: String,
@@ -96,6 +98,22 @@ class PhpHelper {
             """
     }
 
+    private static func fishScript(
+        _ path: String,
+        _ keyPhrase: String,
+        _ version: String,
+        _ dotless: String
+    ) -> String {
+        return """
+            #!\(Paths.binPath)/fish
+            # \(keyPhrase)
+            # It reflects the location of PHP \(version)'s binaries on your system.
+            # Usage: . pm\(dotless)
+            echo "PHP Monitor has enabled this terminal to use PHP \(version)."; \\
+            set -x PATH \(path) $PATH
+            """
+    }
+
     private static func createSymlink(_ dotless: String) async {
         let source = "\(Paths.homePath)/.config/phpmon/bin/pm\(dotless)"
         let destination = "/usr/local/bin/pm\(dotless)"