1 files changed, 13 insertions, 0 deletions
diff --git a/packages/opencode/src/effect/cross-spawn-spawner.ts b/packages/opencode/src/effect/cross-spawn-spawner.ts
index 76982a613..5e25263a0 100644
--- a/packages/opencode/src/effect/cross-spawn-spawner.ts
+++ b/packages/opencode/src/effect/cross-spawn-spawner.ts
@@ -402,6 +402,7 @@ export const make = Effect.gen(function* () {
 
           const fd = yield* setupFds(command, proc, extra)
           const out = setupOutput(command, proc, sout, serr)
+          let ref = true
           return makeHandle({
             pid: ProcessId(proc.pid!),
             stdin: yield* setupStdin(command, proc, sin),
@@ -432,6 +433,18 @@ export const make = Effect.gen(function* () {
                 orElse: () => send("SIGKILL").pipe(Effect.andThen(Deferred.await(signal)), Effect.asVoid),
               })
             },
+            unref: Effect.sync(() => {
+              if (ref) {
+                proc.unref()
+                ref = false
+              }
+              return Effect.sync(() => {
+                if (!ref) {
+                  proc.ref()
+                  ref = true
+                }
+              })
+            }),
           })
         }
         case "PipedCommand": {