CI: disable sbt server autostart, but if it tries to start, force it (#…

…9059)

build/build/src/engine/sbt.rs

@@ -41,6 +41,10 @@ impl CommandProvider for Context {
         }
         // This prevents https://github.com/sbt/sbt-assembly/issues/496
         cmd.env(ide_ci::env::known::LC_ALL, ide_ci::env::known::C_UTF8);
+        // This prevents https://github.com/sbt/sbt/issues/6777#issuecomment-1613316167
+        cmd.set_env(ide_ci::programs::sbt::SBT_SERVER_FORCESTART, &true)?;
+        // Again. Preferably there should be no sbt server spawned at all.
+        cmd.apply(&sbt::ServerAutostart(false));
         Ok(cmd)
     }
 }

build/ci_utils/src/programs/sbt.rs

@@ -1,7 +1,26 @@
 use crate::prelude::*;
 
+use crate::define_env_var;
+use crate::program::command::Manipulator;
 
 
+
+define_env_var! {
+    /// Force the SBT server to start, avoiding `ServerAlreadyBootingException`.
+    /// See: https://github.com/sbt/sbt/issues/6777#issuecomment-1613316167
+    SBT_SERVER_FORCESTART, bool;
+}
+
+#[derive(Clone, Copy, Debug)]
+pub struct ServerAutostart(pub bool);
+impl Manipulator for ServerAutostart {
+    fn apply<C: IsCommandWrapper + ?Sized>(&self, command: &mut C) {
+        let arg = "sbt.server.autostart";
+        let arg = format!("-D{arg}={}", self.0);
+        command.arg(arg);
+    }
+}
+
 macro_rules! strong_string {
     ($name:ident($inner_ty:ty)) => {
         paste::paste! {