We don't change definitions of CPU models which were already included in
a libvirt release to maintain migration compatibility. Thus the script
can just skip existing models and save us from having to drop the
changes it would do to them.

Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
---

Notes:
    Version 2:
    - no change

 src/cpu_map/sync_qemu_models_i386.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/cpu_map/sync_qemu_models_i386.py b/src/cpu_map/sync_qemu_models_i386.py
index 78c2bffab2..f7b06a7716 100755
--- a/src/cpu_map/sync_qemu_models_i386.py
+++ b/src/cpu_map/sync_qemu_models_i386.py
@@ -535,6 +535,10 @@ def main():
 
     for model in models:
         name = os.path.join(args.outdir, f"x86_{model['name']}.xml")
+        if os.path.isfile(name):
+            # Ignore existing models as CPU models in libvirt should never
+            # change once released.
+            continue
         with open(name, "wt") as f:
             output_model(f, model)
 
-- 
2.47.0