$ git clone -n https://github.com/xcp-ng-rpms/kernel-4.9.git /var/lib/mock/v7.99-base-881-354/root/chroot_tmpdir/scmroot/kernel-4.9
Cloning into '/var/lib/mock/v7.99-base-881-354/root/chroot_tmpdir/scmroot/kernel-4.9'...
$ git reset --hard 4653eb2c1bc2b1757a864359198734168dde4a84
Downloading SOURCES/kernel-exp-4.9.135.tar.gz (144 MB)
HEAD is now at 4653eb2 Add %dist