feat(macos): implement wallpaper setting

Cargo.toml

@@ -36,6 +36,7 @@ colorsys = "0.6.7"
 prettytable-rs = "0.10.0"
 serde_json = "1.0.107"
 update-informer = "1.1.0"
+enquote = "1.1.0"
 
 [workspace]
 members = ["material-color-utilities-rs"]

README.md

@@ -53,8 +53,6 @@ Matugen is a cross-platform tool that generates a colorscheme either from an ima
 - Linux
 - MacOS
 - NetBSD
-> [!WARNING]
-> Matugen does not support setting the wallpaper on MacOS for now.
 
 <h2>
      <sub>

src/main.rs

@@ -107,6 +107,9 @@ fn main() -> Result<(), Report> {
             #[cfg(target_os = "windows")]
             wallpaper::windows::set(&path)?;
 
+            #[cfg(target_os = "macos")]
+            wallpaper::macos::set(&path)?;
+
             #[cfg(any(target_os = "linux", target_os = "netbsd"))]
             wallpaper::unix::set(
                 path,

src/wallpaper/macos.rs

@@ -0,0 +1,15 @@
+use std::process::Command;
+use color_eyre::Report;
+
+#[cfg(target_os = "macos")]
+pub fn set(path: &str) -> Result<(), Report> {
+    // Generate the Applescript string
+    let cmd = &format!(
+        r#"tell app "finder" to set desktop picture to POSIX file {}"#,
+        enquote::enquote('"', path),
+    );
+    // Run it using osascript
+    Command::new("osascript").args(&["-e", cmd]).output()?;
+
+    Ok(())
+}

src/wallpaper/mod.rs

@@ -3,3 +3,6 @@ pub mod unix;
 
 #[cfg(target_os = "windows")]
 pub mod windows;
+
+#[cfg(target_os = "macos")]
+pub mod macos;