fix!: copy contents of directory instead of the directory if store is used for directories

container-engine-lib/lib/backend_impls/docker/docker_manager/docker_manager.go

@@ -1539,6 +1539,20 @@ func (manager *DockerManager) CreateContainerExec(context context.Context, conta
 // The caller must close the result
 func (manager *DockerManager) CopyFromContainer(ctx context.Context, containerId string, srcPath string) (io.ReadCloser, error) {
 
+	stat, err := manager.dockerClient.ContainerStatPath(ctx, containerId, srcPath)
+	if err != nil {
+		return nil, stacktrace.Propagate(err, "an error occurred while verifying whether the file was a folder")
+	}
+
+	// if it's a directory we copy contents of the directory
+	if stat.Mode.IsDir() && !strings.HasSuffix(srcPath, "/.") {
+		if strings.HasSuffix(srcPath, "/") {
+			srcPath = srcPath + "."
+		} else {
+			srcPath = srcPath + "/."
+		}
+	}
+
 	tarStreamReadCloser, _, err := manager.dockerClient.CopyFromContainer(
 		ctx,
 		containerId,

container-engine-lib/lib/backend_impls/kubernetes/kubernetes_kurtosis_backend/user_services_functions/copy_files_from_user_service.go

@@ -20,7 +20,8 @@ const (
 	ignoreParentDirInArchiveSymbol       = "."
 )
 
-var commandString = `if command -v 'tar' > /dev/null; then cd '%v' && tar cf - '%v'; else echo "Cannot copy files from path '%v' because the tar binary doesn't exist on the machine" >&2; exit 1; fi`
+// tries to copy contents of dir and if not dir reverts to default copy
+var commandString = `if command -v 'tar' > /dev/null; then cd '%v' && (tar cf - -C '%v' . || tar cf - '%v'); else echo "Cannot copy files from path '%v' because the tar binary doesn't exist on the machine" >&2; exit 1; fi`
 
 func CopyFilesFromUserService(
 	ctx context.Context,
@@ -76,6 +77,7 @@ func CopyFilesFromUserService(
 		commandString,
 		srcPathDir,
 		srcPathBase,
+		srcPathBase,
 		srcPath,
 	)
 

internal_testsuites/golang/testsuite/startosis_run_sh_task_test/run_task_sh_task_test.go

@@ -21,7 +21,7 @@ def run(plan):
   file_artifacts = result.files_artifacts
   result2 = plan.run_sh(run="cat /temp/tech.txt", files={"/temp": file_artifacts[0]})
   plan.verify(result2.output, "==", "kurtosis\n")
-  result3 = plan.run_sh(run="cat /task/src/tech.txt", files={"/task": file_artifacts[1]})
+  result3 = plan.run_sh(run="cat /task/tech.txt", files={"/task": file_artifacts[1]})
   plan.verify(result3.output, "==", "kurtosis\n")
   result4 = plan.run_sh(run = "cat /task/example.txt", files={"/task": file_artifacts[2]})
   plan.verify(result4.output, "==", "example\n")