$ git clone -n https://github.com/xcp-ng-rpms/protobuf.git /var/lib/mock/v8.2-base-2441-1863/root/chroot_tmpdir/scmroot/protobuf
Cloning into '/var/lib/mock/v8.2-base-2441-1863/root/chroot_tmpdir/scmroot/protobuf'...
$ git reset --hard a29d152ad2d2fab6a42b2f0213163ef2fa8f1199
Downloading SOURCES/googletest-1.8.1.tar.gz (992 KB)
Downloading SOURCES/protobuf-3.6.1-all.tar.gz (4.5 MB)
HEAD is now at a29d152 Rebuild for XCP-ng 8.2