[Bug 847388] Re: "gpg: cannot open `/dev/tty': No such device or address" on Ubuntu when signing commits

[Launchpad Bug Tracker]

** Branch linked: lp:~bzr/ubuntu/natty/bzr/bzr-ppa

** Branch linked: lp:~bzr/ubuntu/maverick/bzr/bzr-ppa

** Branch linked: lp:~bzr/ubuntu/lucid/bzr/bzr-ppa

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https://bugs.launchpad.net/bugs/847388

Title:
  "gpg: cannot open `/dev/tty': No such device or address" on Ubuntu
  when signing commits

Status in Bazaar Version Control System:
  Triaged
Status in “bzr” package in Ubuntu:
  Triaged
Status in “bzr” source package in Precise:
  Triaged

Bug description:
  On windows and mac, if you have 'create-signatures always' in your
  config file, and you try and commit, it correctly spawns the pinentry
  window (at least using the gpg installations that i have installed).
  However, on ubuntu, when i have setup gpg, gpg-agent and pinentry
  correctly (running gpg --clearsign in a terminal will popup the
  pinentry-gtk-2 window asking for my password), i get the following
  message in bazaar explorer:

  gpg: cannot open `/dev/tty': No such device or address
  bzr: ERROR: Failed to GPG sign data with command "['gpg', '--clearsign']"

  Its probably because its trying to output to /dev/tty when it doesn't
  exist in the GUI, so can this be solved by adding the --no-tty switch
  to the gpg command?

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