bendns' repos / rust-analyzer
Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/proc-macro-srv-cli/src/main.rs')
-rw-r--r--crates/proc-macro-srv-cli/src/main.rs12
1 files changed, 12 insertions, 0 deletions
diff --git a/crates/proc-macro-srv-cli/src/main.rs b/crates/proc-macro-srv-cli/src/main.rs
index 8398f2ba6c..ac9fa9f5a4 100644
--- a/crates/proc-macro-srv-cli/src/main.rs
+++ b/crates/proc-macro-srv-cli/src/main.rs
@@ -3,5 +3,17 @@
use proc_macro_srv::cli;
fn main() -> std::io::Result<()> {
+ let v = std::env::var("RUST_ANALYZER_INTERNALS_DO_NOT_USE");
+ match v.as_deref() {
+ Ok("this is unstable") => {
+ // very well, if you must
+ }
+ _ => {
+ eprintln!("If you're rust-analyzer, you can use this tool by exporting RUST_ANALYZER_INTERNALS_DO_NOT_USE='this is unstable'.");
+ eprintln!("If not, you probably shouldn't use this tool. But do what you want: I'm an error message, not a cop.");
+ std::process::exit(122);
+ }
+ }
+
cli::run()
}