docs(ContainerExecAttach): reuse ContainerAttach documentation

PowerPixel · PowerPixel · commit 7528df38b581 · 2025-06-10T23:05:00.000+02:00
diff --git a/client/container_exec.go b/client/container_exec.go
@@ -58,8 +58,18 @@ func (cli *Client) ContainerExecStart(ctx context.Context, execID string, config
 // It returns a types.HijackedConnection with the hijacked connection
 // and the a reader to get output. It's up to the called to close
 // the hijacked connection by calling types.HijackedResponse.Close.
-// The Reader contained in the hijacked connection should be read using
-// the stdcopy.StdCopy function.
+//
+// The stream format on the response will be in one of two formats:
+//
+// If the container is using a TTY, there is only a single stream (stdout), and
+// data is copied directly from the container output stream, no extra
+// multiplexing or headers.
+//
+// If the container is *not* using a TTY, streams for stdout and stderr are
+// multiplexed.
+//
+// For more technical informations about the multiplexed stream, check the
+// [ContainerAttach] documentation.
 func (cli *Client) ContainerExecAttach(ctx context.Context, execID string, config container.ExecAttachOptions) (types.HijackedResponse, error) {
 	if versions.LessThan(cli.ClientVersion(), "1.42") {
 		config.ConsoleSize = nil
