patch 8.0.1820: terminal window redirecting stdout does not show stderr
Problem: Terminal window redirecting stdout does not show stderr. (Matéo
Zanibelli)
Solution: When stdout is not connected to pty_master_fd then use it for
stderr. (closes #2903)
diff --git a/src/os_unix.c b/src/os_unix.c
index 495d134..1609bb8 100644
--- a/src/os_unix.c
+++ b/src/os_unix.c
@@ -5645,7 +5645,12 @@
/* When using pty_master_fd only set it for stdout, do not duplicate it
* for stderr, it only needs to be read once. */
int err_fd = use_out_for_err || use_file_for_err || use_null_for_err
- ? INVALID_FD : fd_err[0] < 0 ? INVALID_FD : fd_err[0];
+ ? INVALID_FD
+ : fd_err[0] >= 0
+ ? fd_err[0]
+ : (out_fd == pty_master_fd
+ ? INVALID_FD
+ : pty_master_fd);
channel_set_pipes(channel, in_fd, out_fd, err_fd);
channel_set_job(channel, job, options);