remove internal InstallArgs::dylib_path

Author: Firestar99

crates/cargo-gpu/src/args.rs

@@ -42,10 +42,6 @@ pub struct BuildArgs {
     reason = "cmdline args have many bools"
 )]
 pub struct InstallArgs {
-    /// path to the `rustc_codegen_spirv` dylib
-    #[clap(long, hide(true), default_value = "INTERNALLY_SET")]
-    pub dylib_path: std::path::PathBuf,
-
     /// Directory containing the shader crate to compile.
     #[clap(long, default_value = "./")]
     pub shader_crate: std::path::PathBuf,

crates/cargo-gpu/src/install.rs

@@ -91,7 +91,7 @@ package = "rustc_codegen_spirv"
 
     /// Install the binary pair and return the `(dylib_path, toolchain_channel)`.
     #[expect(clippy::too_many_lines, reason = "it's fine")]
-    pub fn run(&mut self) -> anyhow::Result<(PathBuf, String)> {
+    pub fn run(&self) -> anyhow::Result<(PathBuf, String)> {
         // Ensure the cache dir exists
         let cache_dir = cache_dir()?;
         log::info!("cache directory is '{}'", cache_dir.display());
@@ -210,7 +210,6 @@ package = "rustc_codegen_spirv"
                 .context("writing target spec files")?;
         }
 
-        self.spirv_install.dylib_path.clone_from(&dest_dylib_path);
         Ok((dest_dylib_path, toolchain_channel))
     }
 }

crates/cargo-gpu/src/main.rs

@@ -129,7 +129,7 @@ fn run() -> anyhow::Result<()> {
     match cli.command {
         Command::Install(install) => {
             let shader_crate_path = install.spirv_install.shader_crate;
-            let mut command =
+            let command =
                 config::Config::clap_command_with_cargo_config(&shader_crate_path, env_args)?;
             log::debug!(
                 "installing with final merged arguments: {:#?}",