public async Task RunAsync(ActionRunStage stage)
{
if (stage == ActionRunStage.Post)
{
throw new NotSupportedException("Script action should not have 'Post' job action.");
}
// Validate args
Trace.Entering();
ArgUtil.NotNull(ExecutionContext, nameof(ExecutionContext));
ArgUtil.NotNull(Inputs, nameof(Inputs));
var githubContext = ExecutionContext.ExpressionValues["github"] as GitHubContext;
ArgUtil.NotNull(githubContext, nameof(githubContext));
var tempDirectory = HostContext.GetDirectory(WellKnownDirectory.Temp);
Inputs.TryGetValue("script", out var contents);
contents = contents ?? string.Empty;
Inputs.TryGetValue("workingDirectory", out var workingDirectory);
var workspaceDir = githubContext["workspace"] as StringContextData;
workingDirectory = Path.Combine(workspaceDir, workingDirectory ?? string.Empty);
Inputs.TryGetValue("shell", out var shell);
var isContainerStepHost = StepHost is ContainerStepHost;
string prependPath = string.Join(Path.PathSeparator.ToString(), ExecutionContext.PrependPath.Reverse <string>());
string commandPath, argFormat, shellCommand;
// Set up default command and arguments
if (string.IsNullOrEmpty(shell))
{
#if OS_WINDOWS
shellCommand = "pwsh";
commandPath = WhichUtil.Which(shellCommand, require: false, Trace, prependPath);
if (string.IsNullOrEmpty(commandPath))
{
shellCommand = "powershell";
Trace.Info($"Defaulting to {shellCommand}");
commandPath = WhichUtil.Which(shellCommand, require: true, Trace, prependPath);
}
ArgUtil.NotNullOrEmpty(commandPath, "Default Shell");
#else
shellCommand = "sh";
commandPath = WhichUtil.Which("bash", false, Trace, prependPath) ?? WhichUtil.Which("sh", true, Trace, prependPath);
#endif
argFormat = ScriptHandlerHelpers.GetScriptArgumentsFormat(shellCommand);
}
else
{
var parsed = ScriptHandlerHelpers.ParseShellOptionString(shell);
shellCommand = parsed.shellCommand;
// For non-ContainerStepHost, the command must be located on the host by Which
commandPath = WhichUtil.Which(parsed.shellCommand, !isContainerStepHost, Trace, prependPath);
argFormat = $"{parsed.shellArgs}".TrimStart();
if (string.IsNullOrEmpty(argFormat))
{
argFormat = ScriptHandlerHelpers.GetScriptArgumentsFormat(shellCommand);
}
}
// No arg format was given, shell must be a built-in
if (string.IsNullOrEmpty(argFormat) || !argFormat.Contains("{0}"))
{
throw new ArgumentException("Invalid shell option. Shell must be a valid built-in (bash, sh, cmd, powershell, pwsh) or a format string containing '{0}'");
}
// We do not not the full path until we know what shell is being used, so that we can determine the file extension
var scriptFilePath = Path.Combine(tempDirectory, $"{Guid.NewGuid()}{ScriptHandlerHelpers.GetScriptFileExtension(shellCommand)}");
var resolvedScriptPath = $"{StepHost.ResolvePathForStepHost(scriptFilePath).Replace("\"", "\\\"")}";
// Format arg string with script path
var arguments = string.Format(argFormat, resolvedScriptPath);
// Fix up and write the script
contents = ScriptHandlerHelpers.FixUpScriptContents(shellCommand, contents);
#if OS_WINDOWS
// Normalize Windows line endings
contents = contents.Replace("\r\n", "\n").Replace("\n", "\r\n");
var encoding = ExecutionContext.Variables.Retain_Default_Encoding && Console.InputEncoding.CodePage != 65001
? Console.InputEncoding
: new UTF8Encoding(false);
#else
// Don't add a BOM. It causes the script to fail on some operating systems (e.g. on Ubuntu 14).
var encoding = new UTF8Encoding(false);
#endif
// Script is written to local path (ie host) but executed relative to the StepHost, which may be a container
File.WriteAllText(scriptFilePath, contents, encoding);
// Prepend PATH
AddPrependPathToEnvironment();
// expose context to environment
foreach (var context in ExecutionContext.ExpressionValues)
{
if (context.Value is IEnvironmentContextData runtimeContext && runtimeContext != null)
{
foreach (var env in runtimeContext.GetRuntimeEnvironmentVariables())
{
Environment[env.Key] = env.Value;
}
}
}
// dump out the command
var fileName = isContainerStepHost ? shellCommand : commandPath;
ExecutionContext.Debug($"{fileName} {arguments}");
using (var stdoutManager = new OutputManager(ExecutionContext, ActionCommandManager))
using (var stderrManager = new OutputManager(ExecutionContext, ActionCommandManager))
{
StepHost.OutputDataReceived += stdoutManager.OnDataReceived;
StepHost.ErrorDataReceived += stderrManager.OnDataReceived;
// Execute
int exitCode = await StepHost.ExecuteAsync(workingDirectory : StepHost.ResolvePathForStepHost(workingDirectory),
fileName : fileName,
arguments : arguments,
environment : Environment,
requireExitCodeZero : false,
outputEncoding : null,
killProcessOnCancel : false,
inheritConsoleHandler : !ExecutionContext.Variables.Retain_Default_Encoding,
cancellationToken : ExecutionContext.CancellationToken);
// Error
if (exitCode != 0)
{
ExecutionContext.Error($"Process completed with exit code {exitCode}.");
ExecutionContext.Result = TaskResult.Failed;
}
}
}
public async Task RunAsync(ActionRunStage stage)
{
if (stage == ActionRunStage.Post)
{
throw new NotSupportedException("Script action should not have 'Post' job action.");
}
// Validate args
Trace.Entering();
ArgUtil.NotNull(ExecutionContext, nameof(ExecutionContext));
ArgUtil.NotNull(Inputs, nameof(Inputs));
var githubContext = ExecutionContext.ExpressionValues["github"] as GitHubContext;
ArgUtil.NotNull(githubContext, nameof(githubContext));
// Add Telemetry to JobContext to send with JobCompleteMessage
if (stage == ActionRunStage.Main)
{
var telemetry = new ActionsStepTelemetry
{
IsEmbedded = ExecutionContext.IsEmbedded,
Type = "run",
};
ExecutionContext.Root.ActionsStepsTelemetry.Add(telemetry);
}
var tempDirectory = HostContext.GetDirectory(WellKnownDirectory.Temp);
Inputs.TryGetValue("script", out var contents);
contents = contents ?? string.Empty;
string workingDirectory = null;
if (!Inputs.TryGetValue("workingDirectory", out workingDirectory))
{
if (string.IsNullOrEmpty(ExecutionContext.ScopeName) && ExecutionContext.Global.JobDefaults.TryGetValue("run", out var runDefaults))
{
if (runDefaults.TryGetValue("working-directory", out workingDirectory))
{
ExecutionContext.Debug("Overwrite 'working-directory' base on job defaults.");
}
}
}
var workspaceDir = githubContext["workspace"] as StringContextData;
workingDirectory = Path.Combine(workspaceDir, workingDirectory ?? string.Empty);
string shell = null;
if (!Inputs.TryGetValue("shell", out shell) || string.IsNullOrEmpty(shell))
{
if (string.IsNullOrEmpty(ExecutionContext.ScopeName) && ExecutionContext.Global.JobDefaults.TryGetValue("run", out var runDefaults))
{
if (runDefaults.TryGetValue("shell", out shell))
{
ExecutionContext.Debug("Overwrite 'shell' base on job defaults.");
}
}
}
var isContainerStepHost = StepHost is ContainerStepHost;
string prependPath = string.Join(Path.PathSeparator.ToString(), ExecutionContext.Global.PrependPath.Reverse <string>());
string commandPath, argFormat, shellCommand;
// Set up default command and arguments
if (string.IsNullOrEmpty(shell))
{
#if OS_WINDOWS
shellCommand = "pwsh";
commandPath = WhichUtil.Which(shellCommand, require: false, Trace, prependPath);
if (string.IsNullOrEmpty(commandPath))
{
shellCommand = "powershell";
Trace.Info($"Defaulting to {shellCommand}");
commandPath = WhichUtil.Which(shellCommand, require: true, Trace, prependPath);
}
ArgUtil.NotNullOrEmpty(commandPath, "Default Shell");
#else
shellCommand = "sh";
commandPath = WhichUtil.Which("bash", false, Trace, prependPath) ?? WhichUtil.Which("sh", true, Trace, prependPath);
#endif
argFormat = ScriptHandlerHelpers.GetScriptArgumentsFormat(shellCommand);
}
else
{
var parsed = ScriptHandlerHelpers.ParseShellOptionString(shell);
shellCommand = parsed.shellCommand;
// For non-ContainerStepHost, the command must be located on the host by Which
commandPath = WhichUtil.Which(parsed.shellCommand, !isContainerStepHost, Trace, prependPath);
argFormat = $"{parsed.shellArgs}".TrimStart();
if (string.IsNullOrEmpty(argFormat))
{
argFormat = ScriptHandlerHelpers.GetScriptArgumentsFormat(shellCommand);
}
}
// No arg format was given, shell must be a built-in
if (string.IsNullOrEmpty(argFormat) || !argFormat.Contains("{0}"))
{
throw new ArgumentException("Invalid shell option. Shell must be a valid built-in (bash, sh, cmd, powershell, pwsh) or a format string containing '{0}'");
}
// We do not not the full path until we know what shell is being used, so that we can determine the file extension
var scriptFilePath = Path.Combine(tempDirectory, $"{Guid.NewGuid()}{ScriptHandlerHelpers.GetScriptFileExtension(shellCommand)}");
var resolvedScriptPath = $"{StepHost.ResolvePathForStepHost(scriptFilePath).Replace("\"", "\\\"")}";
// Format arg string with script path
var arguments = string.Format(argFormat, resolvedScriptPath);
// Fix up and write the script
contents = ScriptHandlerHelpers.FixUpScriptContents(shellCommand, contents);
#if OS_WINDOWS
// Normalize Windows line endings
contents = contents.Replace("\r\n", "\n").Replace("\n", "\r\n");
var encoding = ExecutionContext.Global.Variables.Retain_Default_Encoding && Console.InputEncoding.CodePage != 65001
? Console.InputEncoding
: new UTF8Encoding(false);
#else
// Don't add a BOM. It causes the script to fail on some operating systems (e.g. on Ubuntu 14).
var encoding = new UTF8Encoding(false);
#endif
// Script is written to local path (ie host) but executed relative to the StepHost, which may be a container
File.WriteAllText(scriptFilePath, contents, encoding);
// Prepend PATH
AddPrependPathToEnvironment();
// expose context to environment
foreach (var context in ExecutionContext.ExpressionValues)
{
if (context.Value is IEnvironmentContextData runtimeContext && runtimeContext != null)
{
foreach (var env in runtimeContext.GetRuntimeEnvironmentVariables())
{
Environment[env.Key] = env.Value;
}
}
}
// dump out the command
var fileName = isContainerStepHost ? shellCommand : commandPath;
#if OS_OSX
if (Environment.ContainsKey("DYLD_INSERT_LIBRARIES")) // We don't check `isContainerStepHost` because we don't support container on macOS
{
// launch `node macOSRunInvoker.js shell args` instead of `shell args` to avoid macOS SIP remove `DYLD_INSERT_LIBRARIES` when launch process
string node12 = Path.Combine(HostContext.GetDirectory(WellKnownDirectory.Externals), "node12", "bin", $"node{IOUtil.ExeExtension}");
string macOSRunInvoker = Path.Combine(HostContext.GetDirectory(WellKnownDirectory.Bin), "macos-run-invoker.js");
arguments = $"\"{macOSRunInvoker.Replace("\"", "\\\"")}\" \"{fileName.Replace("\"", "\\\"")}\" {arguments}";
fileName = node12;
}
#endif
var systemConnection = ExecutionContext.Global.Endpoints.Single(x => string.Equals(x.Name, WellKnownServiceEndpointNames.SystemVssConnection, StringComparison.OrdinalIgnoreCase));
if (systemConnection.Data.TryGetValue("GenerateIdTokenUrl", out var generateIdTokenUrl) && !string.IsNullOrEmpty(generateIdTokenUrl))
{
Environment["ACTIONS_ID_TOKEN_REQUEST_URL"] = generateIdTokenUrl;
Environment["ACTIONS_ID_TOKEN_REQUEST_TOKEN"] = systemConnection.Authorization.Parameters[EndpointAuthorizationParameters.AccessToken];
}
ExecutionContext.Debug($"{fileName} {arguments}");
using (var stdoutManager = new OutputManager(ExecutionContext, ActionCommandManager))
using (var stderrManager = new OutputManager(ExecutionContext, ActionCommandManager))
{
StepHost.OutputDataReceived += stdoutManager.OnDataReceived;
StepHost.ErrorDataReceived += stderrManager.OnDataReceived;
// Execute
int exitCode = await StepHost.ExecuteAsync(workingDirectory : StepHost.ResolvePathForStepHost(workingDirectory),
fileName : fileName,
arguments : arguments,
environment : Environment,
requireExitCodeZero : false,
outputEncoding : null,
killProcessOnCancel : false,
inheritConsoleHandler : !ExecutionContext.Global.Variables.Retain_Default_Encoding,
cancellationToken : ExecutionContext.CancellationToken);
// Error
if (exitCode != 0)
{
ExecutionContext.Error($"Process completed with exit code {exitCode}.");
ExecutionContext.Result = TaskResult.Failed;
}
}
}