OBS-URL: https://build.opensuse.org/package/show/devel:tools/b4?expand=0&rev=5
OBS-URL: https://build.opensuse.org/package/show/devel:tools/b4?expand=0&rev=2
b4 downloads patches from kernel.org. OBS-URL: https://build.opensuse.org/request/show/809007 OBS-URL: https://build.opensuse.org/package/show/devel:tools/b4?expand=0&rev=1