$ git clone -n https://github.com/xcp-ng-rpms/kernel-alt.git /var/lib/mock/v8.2-testing-3659-3367/root/chroot_tmpdir/scmroot/kernel-alt
Cloning into '/var/lib/mock/v8.2-testing-3659-3367/root/chroot_tmpdir/scmroot/kernel-alt'...
$ git reset --hard 722ee940f2e71dc0dbb1c15dbcaab874d563e70d
Downloading SOURCES/kernel-4.19.19.tar.gz (161 MB)
HEAD is now at 722ee94 Add 64bit BAR EFI-FB support to Dom0 kernel