dotnet-installer/src/dotnet/commands/dotnet-migrate/MigrateCommand.cs

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// Copyright (c) .NET Foundation and contributors. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.
using System;
using System.IO;
using Microsoft.Build.Construction;
using Microsoft.DotNet.Cli;
using Microsoft.DotNet.ProjectJsonMigration;
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using Microsoft.DotNet.ProjectModel;
namespace Microsoft.DotNet.Tools.Migrate
{
public partial class MigrateCommand
{
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private readonly string _templateFile;
private readonly string _outputDirectory;
private readonly string _projectJson;
private readonly string _sdkVersion;
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private readonly string _xprojFilePath;
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private readonly TemporaryDotnetNewTemplateProject _temporaryDotnetNewProject;
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public MigrateCommand(string templateFile, string outputDirectory, string projectJson, string sdkVersion, string xprojFilePath)
{
_templateFile = templateFile;
_outputDirectory = outputDirectory;
_projectJson = projectJson;
_sdkVersion = sdkVersion;
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_xprojFilePath = xprojFilePath;
_temporaryDotnetNewProject = new TemporaryDotnetNewTemplateProject();
}
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public int Execute()
{
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var project = GetProjectJsonPath(_projectJson) ?? GetProjectJsonPath(Directory.GetCurrentDirectory());
EnsureNotNull(project, "Unable to find project.json");
var projectDirectory = Path.GetDirectoryName(project);
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var msBuildTemplate = _templateFile != null ?
ProjectRootElement.TryOpen(_templateFile) : _temporaryDotnetNewProject.MSBuildProject;
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var outputDirectory = _outputDirectory ?? projectDirectory;
EnsureNotNull(outputDirectory, "Null output directory");
var sdkVersion = _sdkVersion ?? new ProjectJsonParser(_temporaryDotnetNewProject.ProjectJson).SdkPackageVersion;
EnsureNotNull(sdkVersion, "Null Sdk Version");
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var migrationSettings = new MigrationSettings(projectDirectory, outputDirectory, sdkVersion, msBuildTemplate, _xprojFilePath);
new ProjectMigrator().Migrate(migrationSettings);
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return 0;
}
private void EnsureNotNull(string variable, string message)
{
if (variable == null)
{
throw new Exception(message);
}
}
private string GetProjectJsonPath(string projectJson)
{
if (projectJson == null)
{
return null;
}
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projectJson = ProjectPathHelper.NormalizeProjectFilePath(projectJson);
if (File.Exists(projectJson))
{
return projectJson;
}
throw new Exception($"Unable to find project file at {projectJson}");
}
}
}