$ git clone -n https://src.fedoraproject.org/rpms/libmbim.git /var/lib/mock/f31-build-69570-30323/root/thebuilddir/tmp/scmroot/libmbim
Cloning into '/var/lib/mock/f31-build-69570-30323/root/thebuilddir/tmp/scmroot/libmbim'...
$ git reset --hard 47dcb72a9d2cfd3abe5e81def0a61572f4e7a3fb
HEAD is now at 47dcb72 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild