From 57f1e4bcbd586423cd5e20fa027d2291928397cd Mon Sep 17 00:00:00 2001
From: Peter Ye <46109467+yaxollum@users.noreply.github.com>
Date: Thu, 19 May 2022 23:15:03 -0400
Subject: [PATCH] Fix `bg` command behaviour (#4810)

---
 news/fix-broken-bg.rst | 23 +++++++++++++++++++++++
 xonsh/jobs.py          |  6 ++++--
 2 files changed, 27 insertions(+), 2 deletions(-)
 create mode 100644 news/fix-broken-bg.rst

diff --git a/news/fix-broken-bg.rst b/news/fix-broken-bg.rst
new file mode 100644
index 000000000..7209e42ae
--- /dev/null
+++ b/news/fix-broken-bg.rst
@@ -0,0 +1,23 @@
+**Added:**
+
+* <news item>
+
+**Changed:**
+
+* <news item>
+
+**Deprecated:**
+
+* <news item>
+
+**Removed:**
+
+* <news item>
+
+**Fixed:**
+
+* `bg` now properly resumes jobs in the background
+
+**Security:**
+
+* <news item>
diff --git a/xonsh/jobs.py b/xonsh/jobs.py
index 8c52d8a3d..34bf0ea05 100644
--- a/xonsh/jobs.py
+++ b/xonsh/jobs.py
@@ -383,7 +383,7 @@ def jobs(args, stdin=None, stdout=sys.stdout, stderr=None):
     return None, None
 
 
-def resume_job(args, wording):
+def resume_job(args, wording: tp.Literal["fg", "bg"]):
     """
     used by fg and bg to resume a job either in the foreground or in the background.
     """
@@ -419,7 +419,9 @@ def resume_job(args, wording):
     if XSH.env.get("XONSH_INTERACTIVE"):
         print_one_job(tid)
     pipeline = job["pipeline"]
-    pipeline.resume(job)
+    pipeline.resume(
+        job, tee_output=(wording == "fg")
+    )  # do not tee output for background jobs
 
 
 @unthreadable