[Bug 1694891] Re: All btrfs-tools commands need a quiet option for scripting

[Brian Murray]

Hello Lucas, or anyone else affected,

Accepted btrfs-tools into xenial-proposed. The package will build now
and be available at https://launchpad.net/ubuntu/+source/btrfs-
tools/4.4-1ubuntu1 in a few hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, and change the tag
from verification-needed to verification-done. If it does not fix the
bug for you, please add a comment stating that, and change the tag to
verification-failed.  In either case, details of your testing will help
us make a better decision.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance!

** Tags added: verification-needed

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https://bugs.launchpad.net/bugs/1694891

Title:
  All btrfs-tools commands need a quiet option for scripting

Status in btrfs-tools package in Ubuntu:
  Fix Released
Status in btrfs-tools source package in Xenial:
  Fix Committed
Status in btrfs-tools source package in Yakkety:
  Fix Released
Status in btrfs-tools source package in Zesty:
  Fix Released
Status in btrfs-tools source package in Artful:
  Fix Released

Bug description:
  [ Impact ]

  by default btrfs spams a lot of messages on stderr, and has no "quiet"
  option to avoid that

  [ Test Case ]
  * Use it for a while and look at stderr messages

  [ Regression potential ]
  * none, the default behaviour won't change

  [ Other info ]
  * this is fixed in yakkety+ releases, only xenial and older are affected

  Btrfs send and receive are noisy on stderr by default (messages like
  "At subvol foo"). It'd be great to get an option to only print there
  if there is an error condition. I assume there are other commands
  which do the same.

  See the patched version that quiets send but not receive. (I didn't realise receive was also noisy when requesting the backport.)
  https://lists.ubuntu.com/archives/ubuntu-devel-discuss/2017-May/017455.html
  https://launchpad.net/~costamagnagianfranco/+archive/ubuntu/locutusofborg-ppa/+packages

  Many scripts/cron wrappers check for output on stderr in order to
  notify when warnings/errors occur. There should be a way to avoid
  triggering such notifications when btrfs commands are successful.

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