bikeshed to make x more small

custom-pkgs/x/x.rs

@@ -0,0 +1,57 @@
+// git clone https://github.com/rust-lang/rust/blob/0ea7ddcc35a2fcaa5da8a7dcfc118c9fb4a63b95/src/tools/x/src/main.rs
+// patched to stop doing python probing, stop the probe, please dont, i have a python
+//! Run bootstrap from any subdirectory of a rust compiler checkout.
+//!
+//! We prefer `exec`, to avoid adding an extra process in the process tree.
+//! However, since `exec` isn't available on Windows, we indirect through
+//! `exec_or_status`, which will call `exec` on unix and `status` on Windows.
+//!
+//! We use `powershell.exe x.ps1` on Windows, and `sh -c x` on Unix, those are
+//! the ones that call `x.py`. We use `sh -c` on Unix, because it is a standard.
+//! We also don't use `pwsh` on Windows, because it is not installed by default;
+
+use std::{
+    env, io,
+    path::Path,
+    process::{self, Command, ExitStatus},
+    os::unix::process::CommandExt,
+};
+
+fn main() {
+    match env::args().skip(1).next().as_deref() {
+        Some("--wrapper-version") => {
+            println!("0.1.0");
+            return;
+        }
+        _ => {}
+    }
+    let current = match env::current_dir() {
+        Ok(dir) => dir,
+        Err(err) => {
+            eprintln!("Failed to get current directory: {err}");
+            process::exit(1);
+        }
+    };
+
+    for dir in current.ancestors() {
+        let candidate = dir.join("x.py");
+        if candidate.exists() {
+            let shell_script_candidate = dir.join("x");
+            let mut cmd: Command;
+            if shell_script_candidate.exists() {
+                cmd = Command::new(dir.join("x"));
+                cmd.args(env::args().skip(1)).current_dir(dir);
+            } else {
+                panic!("error: cry about it");
+            }
+            let error = cmd.exec();
+            eprintln!("Failed to invoke `{:?}`: {}", cmd, error);
+        }
+    }
+
+    eprintln!(
+        "x.py not found. Please run inside of a checkout of `https://github.com/rust-lang/rust`."
+    );
+
+    process::exit(1);
+}