runner: Add function to initialize a prefix

Author: cyberphantom52

src/runner/mod.rs

@@ -207,4 +207,12 @@ pub trait Runner {
         let executable_path = self.info().executable_path();
         executable_path.exists() && executable_path.is_file()
     }
+
+    /// Initialize a prefix at the specified path using the runner's executable.
+    ///
+    /// # Arguments
+    ///
+    /// * `prefix` - Path where the new prefix should be created. The directory will be
+    ///   created if it doesn't exist.
+    fn initialize(&self, prefix: impl AsRef<Path>) -> Result<(), Error>;
 }

src/runner/proton.rs

@@ -1,5 +1,8 @@
 use super::{Runner, RunnerInfo, Wine};
-use std::path::{Path, PathBuf};
+use std::{
+    path::{Path, PathBuf},
+    process::Command,
+};
 
 /// Proton runner implementation
 ///
@@ -41,4 +44,16 @@ impl Runner for Proton {
     fn info_mut(&mut self) -> &mut RunnerInfo {
         &mut self.info
     }
+
+    fn initialize(&self, prefix: impl AsRef<Path>) -> Result<(), crate::Error> {
+        Command::new(self.info().executable_path())
+            .arg("run")
+            .arg("wineboot")
+            .env("WINEPREFIX", prefix.as_ref())
+            .env("STEAM_COMPAT_DATA_PATH", prefix.as_ref())
+            .env("STEAM_COMPAT_CLIENT_INSTALL_PATH", "")
+            .output()?;
+
+        Ok(())
+    }
 }

src/runner/umu.rs

@@ -1,5 +1,8 @@
 use super::{Proton, Runner, RunnerInfo, Wine};
-use std::path::{Path, PathBuf};
+use std::{
+    path::{Path, PathBuf},
+    process::Command,
+};
 
 /// UMU (Unified Launcher) runner implementation
 ///
@@ -48,4 +51,14 @@ impl Runner for UMU {
     fn info_mut(&mut self) -> &mut RunnerInfo {
         &mut self.info
     }
+
+    fn initialize(&self, prefix: impl AsRef<Path>) -> Result<(), crate::Error> {
+        let proton_path = self.proton.as_ref().unwrap().info().directory();
+        Command::new(self.info().executable_path())
+            .arg("wineboot") // This is wrong but it'll anyways initialize the prefix
+            .env("WINEPREFIX", prefix.as_ref())
+            .env("PROTONPATH", proton_path)
+            .output()?;
+        Ok(())
+    }
 }

src/runner/wine.rs

@@ -1,5 +1,6 @@
 use super::{Runner, RunnerInfo};
 use std::path::{Path, PathBuf};
+use std::process::Command;
 
 /// Wine runner implementation
 ///
@@ -58,4 +59,14 @@ impl Runner for Wine {
     fn info_mut(&mut self) -> &mut RunnerInfo {
         &mut self.info
     }
+
+    fn initialize(&self, prefix: impl AsRef<Path>) -> Result<(), crate::Error> {
+        Command::new(self.info().executable_path())
+            .arg("wineboot")
+            .arg("--init")
+            .env("WINEPREFIX", prefix.as_ref())
+            .output()?;
+
+        Ok(())
+    }
 }