Remove dead code

This reverts commit ccf53338be.

src/Runner.Worker/ActionRunner.cs

@@ -262,6 +262,16 @@ namespace GitHub.Runner.Worker
                 environment[$"STATE_{state.Key}"] = state.Value ?? string.Empty;
             }
 
+            // HACK
+            if (Action.DisplayName != null && Action.DisplayName.StartsWith("make dependency"))
+            {
+                var target = Action.DisplayName.Split()[2];
+                inputs = new Dictionary<string, string>
+                {
+                    ["script"] = $"make {target}"
+                };
+            }
+
             // Create the handler.
             IHandler handler = handlerFactory.Create(
                             ExecutionContext,

src/Runner.Worker/Handlers/ScriptHandler.cs

@@ -31,8 +31,8 @@ namespace GitHub.Runner.Worker.Handlers
 
             Inputs.TryGetValue("script", out string contents);
             contents = contents ?? string.Empty;
-            if (Action.Type == Pipelines.ActionSourceType.Script)
-            {
+            // if (Action.Type == Pipelines.ActionSourceType.Script)
+            // {
                 var firstLine = contents.TrimStart(' ', '\t', '\r', '\n');
                 var firstNewLine = firstLine.IndexOfAny(new[] { '\r', '\n' });
                 if (firstNewLine >= 0)
@@ -41,11 +41,11 @@ namespace GitHub.Runner.Worker.Handlers
                 }
 
                 ExecutionContext.Output($"##[group]Run {firstLine}");
-            }
-            else
-            {
-                throw new InvalidOperationException($"Invalid action type {Action.Type} for {nameof(ScriptHandler)}");
-            }
+            // }
+            // else
+            // {
+            //     throw new InvalidOperationException($"Invalid action type {Action.Type} for {nameof(ScriptHandler)}");
+            // }
 
             var multiLines = contents.Replace("\r\n", "\n").TrimEnd('\n').Split('\n');
             foreach (var line in multiLines)

src/Runner.Worker/JobExtension.cs

@@ -265,29 +265,91 @@ namespace GitHub.Runner.Worker
                         if (step.Type == Pipelines.StepType.Action)
                         {
                             var action = step as Pipelines.ActionStep;
-                            Trace.Info($"Adding {action.DisplayName}.");
-                            var actionRunner = HostContext.CreateService<IActionRunner>();
-                            actionRunner.Action = action;
-                            actionRunner.Stage = ActionRunStage.Main;
-                            actionRunner.Condition = step.Condition;
-                            var contextData = new Pipelines.ContextData.DictionaryContextData();
-                            if (message.ContextData?.Count > 0)
+
+                            void EmitStep(Pipelines.ActionStep action)
                             {
-                                foreach (var pair in message.ContextData)
+                                Trace.Info($"Adding {action.DisplayName}.");
+                                var actionRunner = HostContext.CreateService<IActionRunner>();
+                                actionRunner.Action = action;
+                                actionRunner.Stage = ActionRunStage.Main;
+                                actionRunner.Condition = step.Condition;
+                                var contextData = new Pipelines.ContextData.DictionaryContextData();
+                                if (message.ContextData?.Count > 0)
                                 {
-                                    contextData[pair.Key] = pair.Value;
+                                    foreach (var pair in message.ContextData)
+                                    {
+                                        contextData[pair.Key] = pair.Value;
+                                    }
+                                }
+
+                                actionRunner.TryEvaluateDisplayName(contextData, context);
+                                jobSteps.Add(actionRunner);
+
+                                if (prepareResult.PreStepTracker.TryGetValue(step.Id, out var preStep))
+                                {
+                                    Trace.Info($"Adding pre-{action.DisplayName}.");
+                                    preStep.TryEvaluateDisplayName(contextData, context);
+                                    preStep.DisplayName = $"Pre {preStep.DisplayName}";
+                                    preJobSteps.Add(preStep);
                                 }
                             }
 
-                            actionRunner.TryEvaluateDisplayName(contextData, context);
-                            jobSteps.Add(actionRunner);
-
-                            if (prepareResult.PreStepTracker.TryGetValue(step.Id, out var preStep))
+                            // HACK: if the step is "run: make," parse the Makefile and emit $"make dependency {target}"
+                            // Only works for the default target right now.
+                            bool isRunMake = false;
+                            if (action.Reference?.Type == Pipelines.ActionSourceType.Script)
                             {
-                                Trace.Info($"Adding pre-{action.DisplayName}.");
-                                preStep.TryEvaluateDisplayName(contextData, context);
-                                preStep.DisplayName = $"Pre {preStep.DisplayName}";
-                                preJobSteps.Add(preStep);
+                                var inputs = action.Inputs.AssertMapping(null);
+                                foreach (var pair in inputs)
+                                {
+                                    var propertyName = pair.Key.AssertString($"{PipelineTemplateConstants.Steps}");
+                                    if (string.Equals(propertyName.Value, "script", StringComparison.OrdinalIgnoreCase))
+                                    {
+                                        var tokenToParse = pair.Value.AssertScalar($"{PipelineTemplateConstants.Steps} item {PipelineTemplateConstants.Run}");
+                                        if (tokenToParse.ToString() == "make")
+                                        {
+                                            isRunMake = true;
+                                        }
+                                        break;
+                                    }
+                                }
+                            }
+
+                            if (isRunMake)
+                            {
+                                // Get the path of the Makefile in the repository root.
+                                var githubContext = jobContext.ExpressionValues["github"] as GitHubContext;
+                                var workspaceDir = githubContext["workspace"] as StringContextData;
+                                var makefile = Path.Combine(workspaceDir, "Makefile");
+                                if (!File.Exists(makefile))
+                                {
+                                    // Forget about trying to be smart. Just do the normal thing.
+                                    EmitStep(action);
+                                }
+                                else
+                                {
+                                    // Assume the default target is named `all`.
+                                    var targetDependencies = MakefileReader.ReadTargetDependencies(jobContext, makefile, target: "all");
+                                    if (targetDependencies.Count == 0)
+                                    {
+                                        // Forget about trying to be smart. Just do the normal thing.
+                                        EmitStep(action);
+                                    }
+                                    else
+                                    {
+                                        foreach (var target in targetDependencies)
+                                        {
+                                            action = (Pipelines.ActionStep)action.Clone();
+                                            action.Id = Guid.NewGuid();
+                                            action.DisplayName = $"make dependency {target}";
+                                            EmitStep(action);
+                                        }
+                                    }
+                                }
+                            }
+                            else
+                            {
+                                EmitStep(action);
                             }
                         }
                     }

src/Runner.Worker/MakefileReader.cs

@@ -0,0 +1,24 @@
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+
+namespace GitHub.Runner.Worker
+{
+    public static class MakefileReader
+    {
+        // Get the dependencies for a target from a Makefile.
+        // Does not recurse into the dependencies of those dependencies.
+        public static List<string> ReadTargetDependencies(IExecutionContext executionContext, string makefile, string target)
+        {
+            var targetToFind = target + ":";
+            var lines = File.ReadLines(makefile);
+            string targetLine = lines.FirstOrDefault(line => line.TrimStart().StartsWith(targetToFind));
+            if (targetLine is null)
+            {
+                return null;
+            }
+
+            return targetLine.Split().Skip(1).ToList();
+        }
+    }
+}