$ git clone -n https://src.fedoraproject.org/rpms/scim-chewing.git /var/lib/mock/f29-build-4088-1003/root/thebuilddir/tmp/scmroot/scim-chewing
Cloning into '/var/lib/mock/f29-build-4088-1003/root/thebuilddir/tmp/scmroot/scim-chewing'...
$ git reset --hard 7ba8b4f955742e1fb5b0fcc0c3d8083038c456dc
HEAD is now at 7ba8b4f - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild