WIP

Author: tgross35

library/compiler-builtins/Cargo.toml

@@ -3,6 +3,7 @@ resolver = "2"
 members = [
     "builtins-test",
     "compiler-builtins",
+    "crates/josh-sync",
     "crates/libm-macros",
     "crates/musl-math-sys",
     "crates/panic-handler",

library/compiler-builtins/crates/josh-sync/Cargo.toml

@@ -0,0 +1,9 @@
+[package]
+name = "josh-sync"
+edition = "2024"
+publish = false
+
+[dependencies]
+anyhow = "1.0.98"
+directories = "6.0.0"
+xshell = "0.2.7"

library/compiler-builtins/crates/josh-sync/src/main.rs

@@ -0,0 +1,48 @@
+use std::env;
+use std::process::exit;
+
+use crate::sync::{GitSync, RustcPullError};
+
+mod sync;
+
+const USAGE: &str = r#"Utility for synchroniing compiler-builtins with rust-lang/rust
+
+Usage:
+
+    josh-sync rustc-pull
+
+    josh-sync rustc-push BRANCH GITHUB_USERNAME
+"#;
+
+fn main() -> anyhow::Result<()> {
+    let sync = GitSync::from_current_dir()?;
+
+    // Collect args, then recollect as str refs so we can match on them
+    let args: Vec<_> = env::args().collect();
+    let args: Vec<&str> = args.iter().map(|s| s.as_str()).collect();
+
+    match args.as_slice()[1..] {
+        ["rustc-pull"] => {
+            if let Err(error) = sync.rustc_pull(None) {
+                match error {
+                    RustcPullError::NothingToPull => {
+                        eprintln!("Nothing to pull");
+                        std::process::exit(2);
+                    }
+                    RustcPullError::PullFailed(error) => {
+                        eprintln!("Pull failure: {error:?}");
+                        std::process::exit(1);
+                    }
+                }
+            }
+        }
+        ["rustc-push", branch, github_username] => {
+            sync.rustc_push(github_username, branch)?;
+        }
+        _ => {
+            println!("{USAGE}");
+            exit(1);
+        }
+    }
+    Ok(())
+}