Set TGS_INSTANCE_ROOT env var in event scripts

src/Tgstation.Server.Host/Components/InstanceFactory.cs

@@ -292,6 +292,7 @@ namespace Tgstation.Server.Host.Components
 				platformIdentifier,
 				fileTransferService,
 				loggerFactory.CreateLogger<StaticFiles.Configuration>(),
+				metadata,
 				generalConfiguration,
 				sessionConfiguration);
 			var eventConsumer = new EventConsumer(configuration);

src/Tgstation.Server.Host/Components/StaticFiles/Configuration.cs

@@ -124,6 +124,11 @@ namespace Tgstation.Server.Host.Components.StaticFiles
 		/// </summary>
 		readonly ILogger<Configuration> logger;
 
+		/// <summary>
+		/// The <see cref="Api.Models.Instance"/> the <see cref="Configuration"/> belongs to.
+		/// </summary>
+		readonly Models.Instance metadata;
+
 		/// <summary>
 		/// The <see cref="GeneralConfiguration"/> for <see cref="Configuration"/>.
 		/// </summary>
@@ -159,6 +164,7 @@ namespace Tgstation.Server.Host.Components.StaticFiles
 		/// <param name="postWriteHandler">The value of <see cref="postWriteHandler"/>.</param>
 		/// <param name="platformIdentifier">The value of <see cref="platformIdentifier"/>.</param>
 		/// <param name="fileTransferService">The value of <see cref="fileTransferService"/>.</param>
+		/// <param name="metadata">The value of <see cref="metadata"/>.</param>
 		/// <param name="logger">The value of <see cref="logger"/>.</param>
 		/// <param name="generalConfiguration">The value of <see cref="generalConfiguration"/>.</param>
 		/// <param name="sessionConfiguration">The value of <see cref="sessionConfiguration"/>.</param>
@@ -171,6 +177,7 @@ namespace Tgstation.Server.Host.Components.StaticFiles
 			IPlatformIdentifier platformIdentifier,
 			IFileTransferTicketProvider fileTransferService,
 			ILogger<Configuration> logger,
+			Models.Instance metadata,
 			GeneralConfiguration generalConfiguration,
 			SessionConfiguration sessionConfiguration)
 		{
@@ -182,6 +189,7 @@ namespace Tgstation.Server.Host.Components.StaticFiles
 			this.platformIdentifier = platformIdentifier ?? throw new ArgumentNullException(nameof(platformIdentifier));
 			this.fileTransferService = fileTransferService ?? throw new ArgumentNullException(nameof(fileTransferService));
 			this.logger = logger ?? throw new ArgumentNullException(nameof(logger));
+			this.metadata = metadata ?? throw new ArgumentNullException(nameof(metadata));
 			this.generalConfiguration = generalConfiguration ?? throw new ArgumentNullException(nameof(generalConfiguration));
 			this.sessionConfiguration = sessionConfiguration ?? throw new ArgumentNullException(nameof(sessionConfiguration));
 
@@ -844,6 +852,10 @@ namespace Tgstation.Server.Host.Components.StaticFiles
 								return $"\"{arg}\"";
 							})),
 						cancellationToken,
+						new Dictionary<string, string>
+						{
+							{ "TGS_INSTANCE_ROOT", metadata.Path! },
+						},
 						readStandardHandles: true,
 						noShellExecute: true))
 					using (cancellationToken.Register(() => script.Terminate()))

tests/DMAPI/BasicOperation/test_event-qwer.sh

@@ -4,6 +4,13 @@ set -e
 
 echo "Running test_event script - $1 - $2"
 
+if [[ -z "${TGS_INSTANCE_ROOT}" ]]; then
+	echo "TEST ERROR: TGS_INSTANCE_ROOT env var not defined"
+	exit 1
+fi
+
+echo "TGS_INSTANCE_ROOT: ${TGS_INSTANCE_ROOT}"
+
 sleep 5
 
 cd $1

tests/Tgstation.Server.Host.Tests/Components/StaticFiles/TestConfiguration.cs

@@ -53,6 +53,10 @@ namespace Tgstation.Server.Host.Components.StaticFiles.Tests
 					Mock.Of<IPlatformIdentifier>(),
 					Mock.Of<IFileTransferTicketProvider>(),
 					loggerFactory.CreateLogger<Configuration>(),
+					new Models.Instance
+					{
+						Path = "Some path",
+					},
 					new GeneralConfiguration(),
 					new SessionConfiguration());