$ git clone -n https://src.fedoraproject.org/rpms/stacer.git /var/lib/mock/f31-build-53145-27808/root/thebuilddir/tmp/scmroot/stacer
Cloning into '/var/lib/mock/f31-build-53145-27808/root/thebuilddir/tmp/scmroot/stacer'...
$ git reset --hard be842df2205b7615367184a9e08c4c6e4405937b
HEAD is now at be842df Initial import (#1712011).