# From SuperBuild/SuperBuild.cmake, “FSL behavior, pigz support;” this is on by
# default upstream, so we leave it on.
%bcond fslstyle 1

Name:           niimath
Version:        1.0.20250529
Release:        %autorelease
Summary:        Clone of fslmaths

# The entire source is BSD-2-Clause, except:
#
License:        %{shrink:
                BSD-2-Clause
                }
URL:            https://github.com/rordenlab/niimath
Source0:        %{url}/archive/v%{version}/niimath-%{version}.tar.gz
# Man page hand-written for Fedora in groff_man(7) format based on --help
Source1:        niimath.1

# No longer require pyproject extra of scikit-build-core
# https://github.com/rordenlab/niimath/pull/47
Patch:          %{url}/pull/47.patch

# For %%py3_shebang_fix in %%prep, before dynamic BuildRequires are ready
BuildRequires:  python3-devel

BuildRequires:  gcc-c++
BuildRequires:  cmake
# Git is required for Superbuild (SuperBuild/SuperBuild.cmake)
BuildRequires:  git-core

BuildRequires:  cmake(zlib)

%if %{with fslstyle}
BuildRequires:  pigz
Requires:       pigz
%endif

BuildRequires:  symlinks

# https://fedoraproject.org/wiki/Changes/EncourageI686LeafRemoval
ExcludeArch:    %{ix86}

%description
It is said that imitation is the sincerest form of flattery. This project
emulates the popular fslmaths tool. fslmaths is a general image calculator and
is not only one of the foundational tools for FSL’s brain imaging pipelines
(such as FEAT), but has also been widely adopted by many tools.


%package -n python3-niimath
Summary:        Thin wrapper around niimath binary
# This subpackage is pure-Python and does not contain anything derived from any
# of the bundled libraries, so only the “main” license applies.
License:        BSD-2-Clause

BuildArch:      noarch

Requires:       niimath = %{version}-%{release}

%description -n python3-niimath
%{summary}.


%prep
%autosetup -p1

# Prove we do not install the JavaScript library
rm -rv js

# https://docs.fedoraproject.org/en-US/packaging-guidelines/Python/#_shebangs
%py3_shebang_fix library/


%generate_buildrequires
export SETUPTOOLS_SCM_PRETEND_VERSION='%{version}'
%pyproject_buildrequires


%build
export SETUPTOOLS_SCM_PRETEND_VERSION='%{version}'
# https://scikit-build-core.readthedocs.io/en/latest/configuration.html
# FSLSTYLE: FSL behavior, pigz support
# BUILD_FLAVOR: Choose the flavor of build, options are: all tiny nano.
%{pyproject_wheel \
    -Ccmake.define.USE_STATIC_RUNTIME:BOOL=OFF \
    -Ccmake.define.FSLSTYLE:STRING=all \
    -Ccmake.define.ZLIB_IMPLEMENTATION:STRING=System \
    -Clogging.level=INFO \
    -Ccmake.verbose=true \
    -Ccmake.build-type="RelWithDebInfo"}


%install
%pyproject_install
%pyproject_save_files -L niimath

# Clean up after the wheel installation, which has everything we need, but not
# necessarily where we need it. Replace the binary inside the Python package
# with a symbolic link to %%{_bindir}, and make it relative so that it works
# both inside the buildroot and in the installed package.
mv '%{buildroot}%{python3_sitearch}/niimath/bin/niimath' \
    '%{buildroot}%{_bindir}'
ln -sv '%{buildroot}%{_bindir}/niimath' \
    '%{buildroot}%{python3_sitearch}/niimath/bin/'
symlinks -c '%{buildroot}%{python3_sitearch}/niimath/bin/'
# Now that we have replaced the binary with a symlink, the Python package is
# arch-independent.
if [ '%{python3_sitelib}' != '%{python3_sitearch}' ]
then
  install -d '%{buildroot}%{python3_sitelib}'
  mv %{buildroot}%{python3_sitearch}/niimath* '%{buildroot}%{python3_sitelib}'
  sed -r -i 's@%{python3_sitearch}@%{python3_sitelib}@' %{pyproject_files}
fi

install -t '%{buildroot}%{_mandir}/man1' -D -p -m 0644 '%{SOURCE1}'


%check
%pyproject_check_import


%files
%license LICENSE
%doc README.md
# Python demo scripts that wrap the command-line tool, plus a README.md file
# describing them. As of this writing, these use the CLI directly rather than
# via the Python package wrapper. Demo scripts may have dependencies on
# additional Python modules, such as nibabel.
%doc library/

%{_bindir}/niimath
%{_mandir}/man1/niimath.1*


%files -n python3-niimath -f %{pyproject_files}


%changelog
%autochangelog