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40 lines
1.4 KiB
C++
40 lines
1.4 KiB
C++
/*
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* Copyright (c) 2021, Mustafa Quraish <mustafa@serenityos.org>
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* Copyright (c) 2023, Shannon Booth <shannon.ml.booth@gmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibCore/ArgsParser.h>
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#include <LibCore/File.h>
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#include <LibCore/System.h>
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#include <LibDiff/Format.h>
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#include <LibDiff/Generator.h>
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#include <LibMain/Main.h>
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#include <unistd.h>
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ErrorOr<int> serenity_main(Main::Arguments arguments)
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{
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TRY(Core::System::pledge("stdio rpath"));
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Core::ArgsParser parser;
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StringView filename1;
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StringView filename2;
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parser.add_positional_argument(filename1, "First file to compare", "file1", Core::ArgsParser::Required::Yes);
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parser.add_positional_argument(filename2, "Second file to compare", "file2", Core::ArgsParser::Required::Yes);
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parser.parse(arguments);
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auto file1 = TRY(Core::File::open(filename1, Core::File::OpenMode::Read));
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auto file2 = TRY(Core::File::open(filename2, Core::File::OpenMode::Read));
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auto out = TRY(Core::File::standard_output());
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auto const color_output = TRY(Core::System::isatty(STDOUT_FILENO)) ? Diff::ColorOutput::Yes : Diff::ColorOutput::No;
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auto hunks = TRY(Diff::from_text(TRY(file1->read_until_eof()), TRY(file2->read_until_eof())));
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for (auto const& hunk : hunks)
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TRY(Diff::write_normal(hunk, *out, color_output));
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return hunks.is_empty() ? 0 : 1;
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}
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