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+Summary:        Rsync remote-delta algorithm library
+Name:           librsync
+Version:        2.3.0
+Release:        1%{?dist}
+License:        LGPLv2+
+URL:            https://librsync.github.io/
+Source:         https://github.com/%{name}/%{name}/archive/v%{version}/librsync-%{version}.tar.gz
+BuildRequires:  cmake, gcc, popt-devel
+
+%description
+librsync is a library for calculating and applying network deltas, with an
+interface designed to ease integration into diverse network applications.
+
+librsync encapsulates the core algorithms of the rsync protocol, which help
+with efficient calculation of the differences between two files. The rsync
+algorithm is different from most differencing algorithms because it does not
+require the presence of the two files to calculate the delta. Instead, it
+requires a set of checksums of each block of one file, which together form a
+signature for that file. Blocks at any in the other file which have the same
+checksum are likely to be identical, and whatever remains is the difference.
+
+%package devel
+Summary:        Headers and development libraries for librsync
+Requires:       %{name}%{?_isa} = %{version}-%{release}
+
+%description devel
+The librsync-devel package contains header files and library necessary for
+developing programs based on librsync.
+
+%package doc
+Summary:         Documentation files for %{name}
+BuildArch:       noarch
+BuildRequires:   doxygen
+
+%description doc
+librsync is a library for calculating and applying network deltas, with an
+interface designed to ease integration into diverse network applications.
+This package contains the API documentation for developing applications that
+use librsync.
+
+%prep
+%setup -q
+
+%build
+%cmake .
+%make_build
+%make_build doc
+
+%install
+%make_install
+
+%check
+make check
+
+%ldconfig_scriptlets
+
+%files
+%license COPYING
+%doc AUTHORS NEWS.md README.md
+%{_libdir}/%{name}.so.*
+%{_bindir}/rdiff
+%{_mandir}/man1/rdiff.1*
+
+%files devel
+%{_libdir}/%{name}.so
+%{_includedir}/%{name}*
+%{_mandir}/man3/%{name}.3*
+
+%files doc
+%doc html
+
+%changelog
+* Tue Dec 23 2021  haomimi<haomimi@uniontech.com> - 2.3.0-1  
+- package init