$ git clone -n https://src.fedoraproject.org/rpms/gflags.git /var/lib/mock/f31-build-53850-27914/root/thebuilddir/tmp/scmroot/gflags
Cloning into '/var/lib/mock/f31-build-53850-27914/root/thebuilddir/tmp/scmroot/gflags'...
$ git reset --hard 4418ad6729e45359132e3cbd33c0484eaecdd71b
HEAD is now at 4418ad6 Update gflags to 2.2.2