$ git clone -n https://src.fedoraproject.org/rpms/botan2.git /var/lib/mock/f31-build-56081-28181/root/thebuilddir/tmp/scmroot/botan2
Cloning into '/var/lib/mock/f31-build-56081-28181/root/thebuilddir/tmp/scmroot/botan2'...
$ git reset --hard 327d49b6fc05caabc26131e1519b9b907464741e
HEAD is now at 327d49b New upstream release