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Merge pull request #4432 from ap0llo/add-source-to-gitlabcibuildinfo
Add property GitLabCIBuildInfo.Source (#4431)
2 parents 7217373 + 63adff3 commit 44e9cd7

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‎src/Cake.Common.Tests/Unit/Build/GitLabCI/Data/GitLabCIBuildInfoTests.cs‎

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// The .NET Foundation licenses this file to you under the MIT license.
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// See the LICENSE file in the project root for more information.
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using Cake.Common.Build.GitLabCI.Data;
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using Cake.Common.Tests.Fixtures.Build;
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using NSubstitute;
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using Xunit;
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namespace Cake.Common.Tests.Unit.Build.GitLabCI.Data
@@ -362,5 +364,41 @@ public void Should_Return_Correct_Value()
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Assert.Equal(42, result);
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}
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}
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public sealed class TheSourceProperty
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{
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// Values taken from https://docs.gitlab.com/ee/ci/jobs/job_rules.html#ci_pipeline_source-predefined-variable
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[Theory]
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[InlineData("", null)]
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[InlineData("unknown_source", null)]
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[InlineData("api", GitLabCIPipelineSource.Api)]
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[InlineData("chat", GitLabCIPipelineSource.Chat)]
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[InlineData("external", GitLabCIPipelineSource.External)]
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[InlineData("external_pull_request_event", GitLabCIPipelineSource.ExternalPullRequestEvent)]
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[InlineData("merge_request_event", GitLabCIPipelineSource.MergeRequestEvent)]
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[InlineData("ondemand_dast_scan", GitLabCIPipelineSource.OnDemandDastScan)]
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[InlineData("ondemand_dast_validation", GitLabCIPipelineSource.OnDemandDastValidation)]
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[InlineData("parent_pipeline", GitLabCIPipelineSource.ParentPipeline)]
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[InlineData("pipeline", GitLabCIPipelineSource.Pipeline)]
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[InlineData("push", GitLabCIPipelineSource.Push)]
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[InlineData("schedule", GitLabCIPipelineSource.Schedule)]
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[InlineData("security_orchestration_policy", GitLabCIPipelineSource.SecurityOrchestrationPolicy)]
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[InlineData("trigger", GitLabCIPipelineSource.Trigger)]
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[InlineData("web", GitLabCIPipelineSource.Web)]
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[InlineData("webide", GitLabCIPipelineSource.WebIde)]
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public void Should_Return_Correct_Value(string pipelineSourceEnvironmentVariable, GitLabCIPipelineSource? expectedSource)
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{
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// Given
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var fixture = new GitLabCIInfoFixture();
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fixture.Environment.GetEnvironmentVariable("CI_PIPELINE_SOURCE").Returns(pipelineSourceEnvironmentVariable);
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var info = fixture.CreateBuildInfo();
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// When
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var result = info.Source;
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// Then
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Assert.Equal(expectedSource, result);
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}
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}
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}
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}

‎src/Cake.Common/Build/GitLabCI/Data/GitLabCIBuildInfo.cs‎

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/// The email address of the user.
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/// </value>
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public string UserEmail => GetEnvironmentString("GITLAB_USER_EMAIL");
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/// <summary>
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/// Gets how the pipeline was triggered.
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/// </summary>
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/// <value>
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/// The trigger of the pipeline as <see cref="GitLabCIPipelineSource"/> or <c>null</c> if the trigger could not be determined.
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/// </value>
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public GitLabCIPipelineSource? Source => GetEnvironmentEnum<GitLabCIPipelineSource>("CI_PIPELINE_SOURCE");
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}
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}

‎src/Cake.Common/Build/GitLabCI/Data/GitLabCIPipelineSource.cs‎

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using System.Runtime.Serialization;
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namespace Cake.Common.Build.GitLabCI.Data;
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/// <summary>
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/// Enumerates possible triggers of a GitLab CI pipeline.
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/// </summary>
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/// <seealso href="https://docs.gitlab.com/ee/ci/jobs/job_rules.html#ci_pipeline_source-predefined-variable"> CI_PIPELINE_SOURCE predefined variable (GitLab Documentation)</seealso>
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public enum GitLabCIPipelineSource
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{
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/// <summary>
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/// Pipeline var triggered by the pipelines API.
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/// </summary>
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Api,
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/// <summary>
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/// Pipeline was created using a GitLab ChatOps command.
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/// </summary>
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Chat,
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/// <summary>
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/// Pipeline was created using a CI service other than GitLab
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/// </summary>
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External,
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/// <summary>
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/// Pipeline was created because an external pull request on GitHub was created or updated.
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/// </summary>
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[EnumMember(Value = "external_pull_request_event")]
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ExternalPullRequestEvent,
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/// <summary>
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/// Pipeline was created because a merge request was created or updated.
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/// </summary>
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[EnumMember(Value = "merge_request_event")]
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MergeRequestEvent,
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/// <summary>
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/// Pipeline is an on-demand DAST scan pipeline.
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/// </summary>
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[EnumMember(Value = "ondemand_dast_scan")]
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OnDemandDastScan,
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/// <summary>
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/// Pipeline is an on-demand DAST validation pipeline.
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/// </summary>
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[EnumMember(Value = "ondemand_dast_validation")]
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OnDemandDastValidation,
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/// <summary>
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/// Pipeline was created by a parent pipeline.
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/// </summary>
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[EnumMember(Value = "parent_pipeline")]
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ParentPipeline,
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/// <summary>
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/// Pipeline was created by another pipeline
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/// </summary>
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Pipeline,
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/// <summary>
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/// Pipelune was triggered by a Git push event.
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/// </summary>
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Push,
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/// <summary>
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/// Pipeline was triggered by a schedule.
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/// </summary>
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Schedule,
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/// <summary>
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/// Pipeline is a security orchestration policy pipeline.
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/// </summary>
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[EnumMember(Value = "security_orchestration_policy")]
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SecurityOrchestrationPolicy,
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/// <summary>
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/// Pipeline was created using a trigger token.
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/// </summary>
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Trigger,
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/// <summary>
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/// Pipeline was created by selecting <i>New Pipeline</i> in the GitLab UI.
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/// </summary>
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Web,
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/// <summary>
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/// Pipeline was created using the Web IDE.
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/// </summary>
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WebIde
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}

‎src/Cake.Common/Build/GitLabCI/GitLabCIInfo.cs‎

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// See the LICENSE file in the project root for more information.
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using System;
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using System.Linq;
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using System.Reflection;
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using System.Runtime.Serialization;
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using Cake.Core;
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namespace Cake.Common.Build.GitLabCI
@@ -99,5 +102,48 @@ protected bool GetEnvironmentBoolean(string primaryVariable, string secondaryVar
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{
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return GetEnvironmentBoolean(primaryVariable) ? GetEnvironmentBoolean(primaryVariable) : GetEnvironmentBoolean(secondaryVariable);
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}
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/// <summary>
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/// Gets an environment variable as an enum.
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/// </summary>
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/// <remarks>
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/// By default, the environment variable value is presumed to be identical to the enum value name.
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/// To define a mapping between environment variable value and enum name, apply the <see cref="EnumMemberAttribute"/> attribue in the enum definition.
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/// <para>
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/// Parsing is case-insensitive.
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/// </para>
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/// </remarks>
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/// <param name="variable">The primary environment variable name.</param>
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/// <typeparam name="TEnum">The type of the enum to return.</typeparam>
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/// <returns>
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/// The environment variable value converted to the corresponding value of <typeparamref name="TEnum"/> or
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/// <c>null</c> if the variable is not set or the value could not be converted to the the specified enum type.
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/// </returns>
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protected TEnum? GetEnvironmentEnum<TEnum>(string variable) where TEnum : struct, Enum
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{
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var value = GetEnvironmentString(variable);
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if (!string.IsNullOrWhiteSpace(value))
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{
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// Instead of using Enum.TryParse(), enumerate the enum fields using reflection.
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// This defining enums where the environment variable value differs from the name of the corresponding enum member:
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// - If the enum member has a [EnumMember] attribute, use the value defined by the attribute instead of the enum member name
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// - Otherwise, use the enum member name (matching the behavior of Enum.TryParse())
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foreach (var field in typeof(TEnum).GetFields().Where(fi => fi.FieldType == typeof(TEnum)))
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{
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var enumMemberName = field.Name;
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if (field.GetCustomAttribute<EnumMemberAttribute>() is { Value: { } customName } && !string.IsNullOrEmpty(customName))
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{
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enumMemberName = customName;
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}
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if (StringComparer.OrdinalIgnoreCase.Equals(enumMemberName, value))
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{
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return (TEnum?)field.GetValue(null);
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}
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}
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}
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return null;
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}
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}
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}

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