jst-lower: Provide ZUpdateSpec::GOnly

Not currently used.

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/jstest/jst-lower.rs b/jstest/jst-lower.rs
index 5462e4b6598291a356a4c57c3a75269fc1d538e2..f543820b9b5ccf8a75784b919a72addea68aa40b 100644 (file)
--- a/jstest/jst-lower.rs
+++ b/jstest/jst-lower.rs
@@ -74,6 +74,7 @@ pub struct TestsAccumulator {
 pub enum ZUpdateSpec {
   Auto,
   Spec(ZLevel),
+  GOnly,
 }
 use ZUpdateSpec as ZUS;
 
@@ -85,6 +86,10 @@ impl ZUpdateSpec {
         z: last.increment().unwrap(),
         zg: { lastg.increment(); *lastg },
       },
+      ZUS::GOnly => ZLevel {
+        z: last.repack().unwrap(),
+        zg: { lastg.increment(); *lastg },
+      },
       ZUS::Spec(zl) => {
         *last = zl.z.clone_mut();
         *lastg = zl.zg;