[Bug 1765690] Re: wget-log file created despite -q when run in background with &

[Jani Uusitalo]

Red Hat issue: https://bugzilla.redhat.com/show_bug.cgi?id=1484411
"Running wget with -O and -q in the background yields a file wget-log"

Related but (FWICT) not precisely the same issues upstream:

* https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=888691 "wget -b produces empty wget-log file"
* https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=874590 "wget: creates log file when run in the background", forwarded to https://savannah.gnu.org/bugs/?51181 "Unexpected "Redirecting output to 'wget-log'.""

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Title:
  wget-log file created despite -q when run in background with &

Status in wget package in Ubuntu:
  New

Bug description:
  == Steps to reproduce ==
  `wget -q https://www.google.com/ &`

  
  == What happens ==
  wget says it's "Redirecting output to 'wget-log'" and creates an empty wget-log file in the current directory.

  
  == What I expect to happen ==
  No wget-log file to be created.

  
  == Details ==
  Wget has a -b (--background) option, for which the man page says: "If no output file is specified via the -o, output is redirected to wget-log." There's also the -q (--quiet) option, for which the man page says: "Turn off Wget's output."

  When both are given, wget goes to background, and no wget-log gets
  created, as expected.

  When only -b is given, wget goes to background, and creates wget-log,
  also as expected.

  When only -q is given, wget runs in the foreground, and no wget-log is
  created, still as expected.

  When only -q is given, but & is added to the end of the command line,
  wget goes to background, but also creates wget-log, which I find
  unexpected (and inconsistent).

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: wget 1.19.4-1ubuntu2
  ProcVersionSignature: Ubuntu 4.15.0-15.16-generic 4.15.15
  Uname: Linux 4.15.0-15-generic x86_64
  ApportVersion: 2.20.9-0ubuntu5
  Architecture: amd64
  CurrentDesktop: ubuntu:GNOME
  Date: Fri Apr 20 14:56:17 2018
  InstallationDate: Installed on 2016-10-13 (553 days ago)
  InstallationMedia: Ubuntu-Server 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=fi_FI.UTF-8
   SHELL=/bin/bash
  SourcePackage: wget
  UpgradeStatus: No upgrade log present (probably fresh install)

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