$ git clone -n https://src.fedoraproject.org/rpms/libuv.git /var/lib/mock/f31-build-59683-28619/root/thebuilddir/tmp/scmroot/libuv
Cloning into '/var/lib/mock/f31-build-59683-28619/root/thebuilddir/tmp/scmroot/libuv'...
$ git reset --hard 4ed3224f964491239bfea0e1d44b093c1903c45b
HEAD is now at 4ed3224 Include the new sources