%global __brp_check_rpaths %{nil}
%global __requires_exclude ^libmpi
%global packname  WaveletGBM
%global packver   0.1.0
%global rlibdir   /usr/local/lib/R/library

Name:             R-CRAN-%{packname}
Version:          0.1.0
Release:          1%{?dist}%{?buildtag}
Summary:          Wavelet Based Gradient Boosting Method

License:          GPL-3
URL:              https://cran.r-project.org/package=%{packname}
Source0:          %{url}&version=%{packver}#/%{packname}_%{packver}.tar.gz


BuildRequires:    R-devel
Requires:         R-core
BuildArch:        noarch
BuildRequires:    R-CRAN-caret 
BuildRequires:    R-CRAN-dplyr 
BuildRequires:    R-CRAN-caretForecast 
BuildRequires:    R-CRAN-Metrics 
BuildRequires:    R-CRAN-tseries 
BuildRequires:    R-stats 
BuildRequires:    R-CRAN-wavelets 
BuildRequires:    R-CRAN-gbm 
Requires:         R-CRAN-caret 
Requires:         R-CRAN-dplyr 
Requires:         R-CRAN-caretForecast 
Requires:         R-CRAN-Metrics 
Requires:         R-CRAN-tseries 
Requires:         R-stats 
Requires:         R-CRAN-wavelets 
Requires:         R-CRAN-gbm 

%description
Wavelet decomposition method is very useful for modelling noisy time
series data. Wavelet decomposition using 'haar' algorithm has been
implemented to developed hybrid Wavelet GBM (Gradient Boosting Method)
model for time series forecasting using algorithm by Anjoy and Paul (2017)
<DOI:10.1007/s00521-017-3289-9>.

%prep
%setup -q -c -n %{packname}

# fix end of executable files
find -type f -executable -exec grep -Iq . {} \; -exec sed -i -e '$a\' {} \;
# prevent binary stripping
[ -d %{packname}/src ] && find %{packname}/src -type f -exec \
  sed -i 's@/usr/bin/strip@/usr/bin/true@g' {} \; || true
[ -d %{packname}/src ] && find %{packname}/src/Make* -type f -exec \
  sed -i 's@-g0@@g' {} \; || true
# don't allow local prefix in executable scripts
find -type f -executable -exec sed -Ei 's@#!( )*/usr/local/bin@#!/usr/bin@g' {} \;

%build

%install

mkdir -p %{buildroot}%{rlibdir}
%{_bindir}/R CMD INSTALL -l %{buildroot}%{rlibdir} %{packname}
test -d %{packname}/src && (cd %{packname}/src; rm -f *.o *.so)
rm -f %{buildroot}%{rlibdir}/R.css
# remove buildroot from installed files
find %{buildroot}%{rlibdir} -type f -exec sed -i "s@%{buildroot}@@g" {} \;

%files
%{rlibdir}/%{packname}