Add _config

_config

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+Prefer: -libqpid-proton10 -python311-urllib3_1
+
+Macros:
+%__python3 /usr/bin/python3.11
+%registry_url %(echo %{vendor} | cut -d '/' -f 3 | sed 's/build/registry/')
+%chart_major 999
+:Macros
+
+# Doesn't work as is, needs more work
+#%if "%registry_url" == "registry.opensuse.org"
+Macros:
+%img_repo registry.opensuse.org/isv/suse/edge/containers/images
+%manifest_repo registry.opensuse.org/isv/suse/edge/containers/images
+%chart_repo oci://registry.opensuse.org/isv/suse/edge/containers/charts
+%support_level techpreview
+:Macros
+#%else
+#Macros:
+#%img_repo registry.suse.com/edge
+#%chart_repo oci://registry.suse.com/edge
+#%manifest_repo registry.suse.com/edge
+#%support_level l3
+#:Macros
+#%endif
+
+%if "%_repository" == "charts" || "%_repository" == "test_manifest_images"
+Macros:
+%img_repo %(echo %{registry_url}:%{_project}:images | tr ":" "/" | tr '[:upper:]' '[:lower:]')
+%manifest_repo %(echo %{registry_url}:%{_project}:test_manifest_images | tr ":" "/" | tr '[:upper:]' '[:lower:]')
+%chart_repo oci://%(echo %{registry_url}:%{_project}:charts | tr ":" "/" | tr '[:upper:]' '[:lower:]')
+:Macros
+%endif
+
+# Missing deps for testsuite
+BuildFlags: excludebuild:autoconf:el
+BuildFlags: excludebuild:autoconf:testsuite
+
+# Only build manifest embedding images here
+%if "%_repository" == "test_manifest_images"
+BuildFlags: onlybuild:edge-image-builder-image
+BuildFlags: onlybuild:release-manifest-image
+%endif
+
+%if "%_repository" == "images" || "%_repository" == "test_manifest_images"
+Prefer: container:sles15-image
+Type: docker
+Repotype: none
+Patterntype: none
+BuildEngine: podman
+Prefer: sles-release
+BuildFlags: dockerarg:SLE_VERSION=15.6
+
+# Publish multi-arch container images only once all archs have been built
+PublishFlags: archsync
+%endif
+
+%if "%_repository" == "charts" || "%_repository" == "phantomcharts" || "%_repository" == "releasecharts"
+Type: helm
+Repotype: helm
+Patterntype: none
+Required: perl-YAML-LibYAML
+%endif
+
+%if "%_repository" == "standard"
+# for build openstack-ironic-image
+BuildFlags: allowrootforbuild
+%endif
+
+# Enable reproducible builds
+# https://en.opensuse.org/openSUSE:Reproducible_Builds\#With_OBS
+Macros:
+%source_date_epoch_from_changelog Y
+%clamp_mtime_to_source_date_epoch Y
+%use_source_date_epoch_as_buildtime Y
+%_buildhost reproducible
+:Macros