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// Reconcile DEP-5 debian/copyright to licensecheck
//
// Copyright : 2024 P Blackman
// License : BSD-2-clause
//
// Test for false positive on some SPDX licences
unit spdx;
{$mode delphi}
interface
function CheckSPDX (Fname : AnsiString; Dep5, Actual : String) : Boolean;
implementation uses StrUtils, support;
// Extract license short string, test for an SPDX license
function GetFileLicense (Fname : AnsiString) : String;
const MaxLines : Integer = 100;
var Lines : Integer;
Line : AnsiString;
lfile : Text;
begin
result := '';
Lines := 0;
if OpenFile (FName, lfile) then
begin
while not EOF (lfile) and (Lines < MaxLines) and (result = '') do
begin
readln (lfile, Line);
// Could make more generic, with a conversion table, SPDX -> Dep5
if IsWordPresent ('LGPL-2.1-or-later', Line, WhiteSpace+['''']) then
result := 'LGPL-2.1+'
else
if IsWordPresent ('LGPL-2.1+', Line, WhiteSpace) then
result := 'LGPL-2.1+'
else
if IsWordPresent ('GPL-2.0-or-later', Line, WhiteSpace) then
result := 'GPL-2+'
else
if IsWordPresent ('GPL-3.0-or-later', Line, WhiteSpace) then
result := 'GPL-3+';
inc (Lines);
end;
Close (lfile);
end;
end;
// Return true if Actual good match for d/copyright
function CheckSPDX (Fname : AnsiString; Dep5, Actual : String) : Boolean;
var License : String;
begin
result := false;
if (Dep5 = 'LGPL-2.1+') and (Actual = 'LGPL-2.1')
or (Dep5 = 'GPL-2+') and (Actual = 'GPL-2')
or (Dep5 = 'GPL-3+') and (Actual = 'GPL-3') then
begin
License := GetFileLicense (FName);
if (License <> '') and (license [length(License)] = '+') then
result := true;
end;
end;
end.
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