CI: Follow-up fixes for dockers build on master

Author: maxknv

ci/praktika/docker.py

@@ -94,8 +94,12 @@ def merge_manifest(
         commands.append(f"docker manifest push {config.name}:{digests[config.name]}")
 
         if add_latest:
-            commands.append(f"docker tag {config.name}:{tags[0]} {config.name}:latest")
-            commands.append(f"docker push {config.name}:latest")
+            tags[0] = "latest"
+            commands += [
+                "docker manifest create --amend "
+                + " ".join(f"{config.name}:{t}" for t in tags)
+            ]
+            commands.append(f"docker manifest push {config.name}:latest")
 
         return Result.from_commands_run(
             name=f"merge: {config.name}:{digests[config.name]} (latest={add_latest})",

ci/praktika/result.py

@@ -222,11 +222,10 @@ def _add_job_summary_to_info(self):
                 self.set_info(f"Failed: {failed_tcs}")
 
         # Suggest local command to rerun
-        if with_local_run_command:
-            command_info = f'To run locally: python -m ci.praktika run "{self.name}"'
-            if with_test_in_run_command and failed:
-                command_info += f" --test {failed[0]}"
-            self.set_info(command_info)
+        command_info = f'To run locally: python -m ci.praktika run "{self.name}"'
+        if with_test_in_run_command and failed:
+            command_info += f" --test {failed[0]}"
+        self.set_info(command_info)
 
         return self