$ git clone -n https://github.com/xcp-ng-rpms/kernel.git /var/lib/mock/v8.3-incoming-8513-25697/root/chroot_tmpdir/scmroot/kernel
Cloning into '/var/lib/mock/v8.3-incoming-8513-25697/root/chroot_tmpdir/scmroot/kernel'...
$ git reset --hard b4b99f84edfd956250e078883480567995dc26ad
Downloading SOURCES/kernel-4.19.19.tar.gz (161 MB)
HEAD is now at b4b99f8 Merge pull request #19 from xcp-ng-rpms/perf-dynamic-tracepoints