Expose out_is_redirected to rust

fish-rust/src/builtins/shared.rs

@@ -89,14 +89,21 @@ pub struct io_streams_t {
     streams: *mut builtins_ffi::io_streams_t,
     pub out: output_stream_t,
     pub err: output_stream_t,
+    pub out_is_redirected: bool,
 }
 
 impl io_streams_t {
     pub fn new(mut streams: Pin<&mut builtins_ffi::io_streams_t>) -> io_streams_t {
         let out = output_stream_t(streams.as_mut().get_out().unpin());
         let err = output_stream_t(streams.as_mut().get_err().unpin());
+        let out_is_redirected = streams.as_mut().get_out_redirected();
         let streams = streams.unpin();
-        io_streams_t { streams, out, err }
+        io_streams_t {
+            streams,
+            out,
+            err,
+            out_is_redirected,
+        }
     }
 
     pub fn ffi_pin(&mut self) -> Pin<&mut builtins_ffi::io_streams_t> {

fish-rust/src/ffi.rs

@@ -25,6 +25,8 @@ include_cpp! {
     #include "fallback.h"
     #include "fds.h"
     #include "flog.h"
+    #include "function.h"
+    #include "highlight.h"
     #include "io.h"
     #include "parse_constants.h"
     #include "parser.h"
@@ -108,6 +110,8 @@ include_cpp! {
     generate!("function_get_annotated_definition")
     generate!("function_is_copy")
     generate!("function_exists")
+
+    generate!("colorize_shell")
 }
 
 impl parser_t {

src/io.h

@@ -512,6 +512,7 @@ struct io_streams_t : noncopyable_t {
     output_stream_t &get_out() { return out; };
     output_stream_t &get_err() { return err; };
     io_streams_t(const io_streams_t &) = delete;
+    bool get_out_redirected() { return out_is_redirected; };
 };
 
 #endif