Merge #1583 Add workaround for DNF fail-safe mechanism

module_build_service/config.py

@@ -182,6 +182,9 @@ class Config(object):
                 # https://pagure.io/fedora-infrastructure/issue/7620.
                 # Disables systemd-nspawn for chroot.
                 "mock.new_chroot": 0,
+                # Works around fail-safe mechanism added in DNF 4.2.7
+                # https://pagure.io/fedora-infrastructure/issue/8410
+                "mock.yum.module_hotfixes": 1,
             },
             "desc": "Extra options set for newly created Koji tags.",
         },

tests/test_builder/test_koji.py

@@ -639,6 +639,7 @@ class TestKojiBuilder:
                     "mock.package_manager": "dnf",
                     "repo_include_all": repo_include_all,
                     "mock.new_chroot": 0,
+                    'mock.yum.module_hotfixes': 1,
                 },
             ),
             mock.call(
@@ -648,6 +649,7 @@ class TestKojiBuilder:
                     "mock.package_manager": "dnf",
                     "repo_include_all": repo_include_all,
                     "mock.new_chroot": 0,
+                    'mock.yum.module_hotfixes': 1,
                 },
             ),
         ]