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SimonCroppSimonCropp
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‎src/DeterministicIoPackaging/Patching/CorePatcher.cs‎

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class CorePatcher :
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IPatcher
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{
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static XNamespace dc = "http://purl.org/dc/elements/1.1/";
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static XName creator = dc + "creator";
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static XNamespace cp = "http://schemas.openxmlformats.org/package/2006/metadata/core-properties";
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static XName lastModifiedBy = cp + "lastModifiedBy";
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static XNamespace dcterms = "http://purl.org/dc/terms/";
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public void PatchXml(XDocument xml)
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{
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var root = xml.Root!;
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root.Element(creator)?.Remove();
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root.Element(lastModifiedBy)?.Remove();
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root.Element(created)?.Remove();
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root.Element(modified)?.Remove();

‎src/Directory.Build.props‎

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<Project>
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<PropertyGroup>
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<NoWarn>CS1591;CS0649;CA1416;NU1608;NU1109</NoWarn>
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<Version>0.9.0</Version>
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<Version>0.10.0</Version>
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<LangVersion>preview</LangVersion>
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<AssemblyVersion>1.0.0</AssemblyVersion>
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<Description>Modify System.IO.Packaging (https://learn.microsoft.com/en-us/dotnet/api/system.io.packaging) files to ensure they are deterministic. Helpful for testing, build reproducibility, security verification, and ensuring package integrity across different build environments.</Description>

‎src/Tests/Patching/CorePatcherTests.Patch.DotNet.verified.xml‎

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<cp:coreProperties xmlns:cp="http://schemas.openxmlformats.org/package/2006/metadata/core-properties" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:dcmitype="http://purl.org/dc/dcmitype/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
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<dc:title>The Title</dc:title>
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<dc:subject />
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<dc:creator />
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<cp:keywords />
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<dc:description />
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<cp:category />

‎src/Tests/Patching/CorePatcherTests.Patch.Net.verified.xml‎

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<cp:coreProperties xmlns:cp="http://schemas.openxmlformats.org/package/2006/metadata/core-properties" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:dcmitype="http://purl.org/dc/dcmitype/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
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<dc:title>The Title</dc:title>
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<dc:subject />
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<dc:creator />
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<cp:keywords />
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<dc:description />
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<cp:category />

‎src/Tests/Patching/CorePatcherTests.cs‎

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"""
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<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
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<cp:coreProperties
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xmlns:cp="http://schemas.openxmlformats.org/package/2006/metadata/core-properties"
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xmlns:dc="http://purl.org/dc/elements/1.1/"
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xmlns:dcterms="http://purl.org/dc/terms/"
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xmlns:dcmitype="http://purl.org/dc/dcmitype/"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
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<dc:title>The Title</dc:title>
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<dc:subject />
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<dc:creator />
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<cp:keywords />
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<dc:description />
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<cp:lastModifiedBy>Simon Cropp</cp:lastModifiedBy>
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<dcterms:created xsi:type="dcterms:W3CDTF">2020-01-01T00:00:00Z</dcterms:created>
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<dcterms:modified xsi:type="dcterms:W3CDTF">2020-01-01T00:00:00Z</dcterms:modified>
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<cp:category />
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xmlns:cp="http://schemas.openxmlformats.org/package/2006/metadata/core-properties"
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xmlns:dc="http://purl.org/dc/elements/1.1/"
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xmlns:dcterms="http://purl.org/dc/terms/"
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xmlns:dcmitype="http://purl.org/dc/dcmitype/"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
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<dc:title>The Title</dc:title>
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<dc:subject />
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<cp:keywords />
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<dc:description />
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<cp:lastModifiedBy>Simon Cropp</cp:lastModifiedBy>
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<dc:creator>simon</dc:creator>
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<dcterms:created xsi:type="dcterms:W3CDTF">2020-01-01T00:00:00Z</dcterms:created>
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<dcterms:modified xsi:type="dcterms:W3CDTF">2020-01-01T00:00:00Z</dcterms:modified>
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<cp:category />
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</cp:coreProperties>
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""";
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‎src/Tests/Patching/RelationshipPatcherTests.cs‎

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[TestFixture]
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public class RelationshipPatcherTests
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{
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[Test]
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public Task Patch()
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{
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var xml =
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"""
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<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
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<Relationships xmlns="http://schemas.openxmlformats.org/package/2006/relationships">
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<Relationship
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Id="rId2"
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Type="http://schemas.openxmlformats.org/package/2006/relationships/metadata/core-properties"
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Target="docProps/core.xml"/>
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<Relationship
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Id="rId3" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/extended-properties"
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Target="docProps/app.xml"/>
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<Relationship
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Id="rId1"
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Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument"
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Target="xl/workbook.xml"/>
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<Relationship
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Id="rId4"
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Type="http://schemas.openxmlformats.org/package/2006/relationships/metadata/core-properties"
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Target="package/services/metadata/core-properties/f81c51cec5594be694368ed6b7beba9.psmdcp"/>
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</Relationships>
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""";
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var document = PatchHelper.Patch<RelationshipPatcher>(xml);
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return Verify(document);
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}
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[Test]
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public Task Patch()
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{
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var xml =
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"""
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<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
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<Relationships xmlns="http://schemas.openxmlformats.org/package/2006/relationships">
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<Relationship
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Id="rId2"
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Type="http://schemas.openxmlformats.org/package/2006/relationships/metadata/core-properties"
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Target="docProps/core.xml"/>
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<Relationship
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Id="rId3" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/extended-properties"
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Target="docProps/app.xml"/>
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<Relationship
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Id="rId1"
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Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument"
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Target="xl/workbook.xml"/>
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<Relationship
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Id="rId4"
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Type="http://schemas.openxmlformats.org/package/2006/relationships/metadata/core-properties"
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Target="package/services/metadata/core-properties/f81c51cec5594be694368ed6b7beba9.psmdcp"/>
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</Relationships>
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""";
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var document = PatchHelper.Patch<RelationshipPatcher>(xml);
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return Verify(document);
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}
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}

‎src/Tests/Tests.AbsPath.DotNet.verified.xlsx‎

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‎src/Tests/Tests.AbsPath.Net.verified.xlsx‎

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‎src/Tests/Tests.AbsPathZip.DotNet/docProps/core.verified.xml‎

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<?xml version="1.0" encoding="utf-8" standalone="yes"?><cp:coreProperties xmlns:cp="http://schemas.openxmlformats.org/package/2006/metadata/core-properties" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:dcmitype="http://purl.org/dc/dcmitype/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><dc:title>The Title</dc:title><dc:subject /><dc:creator /><cp:keywords /><dc:description /><cp:category /></cp:coreProperties>
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<?xml version="1.0" encoding="utf-8" standalone="yes"?><cp:coreProperties xmlns:cp="http://schemas.openxmlformats.org/package/2006/metadata/core-properties" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:dcmitype="http://purl.org/dc/dcmitype/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><dc:title>The Title</dc:title><dc:subject /><cp:keywords /><dc:description /><cp:category /></cp:coreProperties>

‎src/Tests/Tests.AbsPathZip.Net/docProps/core.verified.xml‎

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<?xml version="1.0" encoding="utf-8" standalone="yes"?><cp:coreProperties xmlns:cp="http://schemas.openxmlformats.org/package/2006/metadata/core-properties" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:dcmitype="http://purl.org/dc/dcmitype/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><dc:title>The Title</dc:title><dc:subject /><dc:creator /><cp:keywords /><dc:description /><cp:category /></cp:coreProperties>
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<?xml version="1.0" encoding="utf-8" standalone="yes"?><cp:coreProperties xmlns:cp="http://schemas.openxmlformats.org/package/2006/metadata/core-properties" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:dcmitype="http://purl.org/dc/dcmitype/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><dc:title>The Title</dc:title><dc:subject /><cp:keywords /><dc:description /><cp:category /></cp:coreProperties>

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