working on build scripts
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111 changed files with 3052 additions and 1989 deletions
132
scripts/Microsoft.DotNet.Cli.Build.Framework/BuildContext.cs
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132
scripts/Microsoft.DotNet.Cli.Build.Framework/BuildContext.cs
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Runtime.InteropServices;
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namespace Microsoft.DotNet.Cli.Build.Framework
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{
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public class BuildContext
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{
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private IDictionary<string, BuildTargetResult> _completedTargets = new Dictionary<string, BuildTargetResult>(StringComparer.OrdinalIgnoreCase);
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public static readonly string DefaultTarget = "Default";
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private int _maxTargetLen;
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private Stack<string> _targetStack = new Stack<string>();
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public IDictionary<string, BuildTarget> Targets { get; }
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public IDictionary<string, object> Properties = new Dictionary<string, object>();
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public string BuildDirectory { get; }
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public object this[string name]
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{
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get { return Properties.ContainsKey(name) ? Properties[name] : null; }
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set { Properties[name] = value; }
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}
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public BuildContext(IDictionary<string, BuildTarget> targets, string buildDirectory)
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{
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Targets = targets;
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BuildDirectory = buildDirectory;
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_maxTargetLen = targets.Values.Select(t => t.Name.Length).Max();
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}
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public BuildTargetResult RunTarget(string name) => RunTarget(name, force: false);
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public BuildTargetResult RunTarget(string name, bool force)
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{
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BuildTarget target;
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if (!Targets.TryGetValue(name, out target))
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{
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Reporter.Verbose.WriteLine($"Skipping undefined target: {name}");
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}
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// Check if it's been completed
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BuildTargetResult result;
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if (!force && _completedTargets.TryGetValue(name, out result))
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{
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Reporter.Verbose.WriteLine($"Skipping completed target: {target.Name}");
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return result;
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}
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// It hasn't, or we're forcing, so run it
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result = ExecTarget(target);
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_completedTargets[target.Name] = result;
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return result;
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}
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public void Verbose(string message)
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{
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Reporter.Output.WriteLine("trace".White() + $": {message}");
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}
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public void Info(string message)
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{
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Reporter.Output.WriteLine("info ".Green() + $": {message}");
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}
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public void Warn(string message)
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{
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Reporter.Output.WriteLine("warn ".Yellow() + $": {message}");
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}
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public void Error(string message)
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{
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Reporter.Error.WriteLine("error".Red().Bold() + $": {message}");
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}
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private BuildTargetResult ExecTarget(BuildTarget target)
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{
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var sectionName = $"{target.Name.PadRight(_maxTargetLen + 2).Yellow()} ({target.Source.White()})";
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BuildReporter.BeginSection("TARGET", sectionName);
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BuildTargetResult result;
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// Run the dependencies
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var dependencyResults = new Dictionary<string, BuildTargetResult>();
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var failedDependencyResult = RunDependencies(target, dependencyResults);
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if (failedDependencyResult != null)
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{
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result = failedDependencyResult;
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}
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else if (target.Body != null)
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{
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try
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{
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result = target.Body(new BuildTargetContext(this, target, dependencyResults));
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}
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catch (Exception ex)
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{
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result = new BuildTargetResult(target, success: false, exception: ex);
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}
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}
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else
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{
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result = new BuildTargetResult(target, success: true);
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}
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BuildReporter.EndSection("TARGET", sectionName, result.Success);
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return result;
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}
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private BuildTargetResult RunDependencies(BuildTarget target, Dictionary<string, BuildTargetResult> dependencyResults)
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{
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BuildTargetResult result = null;
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foreach (var dependency in target.Dependencies)
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{
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result = RunTarget(dependency);
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dependencyResults[dependency] = result;
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if (!result.Success)
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{
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return result;
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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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