Hello Philippe, or anyone else affected,

Accepted bash into disco-proposed. The package will build now and be
available at https://launchpad.net/ubuntu/+source/bash/5.0-3ubuntu1.1 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-disco to verification-done-disco. If it does not fix
the bug for you, please add a comment stating that, and change the tag
to verification-failed-disco. In either case, without details of your
testing we will not be able to proceed.

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

N.B. The updated package will be released to -updates after the bug(s)
fixed by this package have been verified and the package has been in
-proposed for a minimum of 7 days.

** Changed in: bash (Ubuntu Disco)
       Status: In Progress => Fix Committed

** Tags added: verification-needed verification-needed-disco

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You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to bash in Ubuntu.
https://bugs.launchpad.net/bugs/1614080

Title:
  PATH contains dot when PATH is unset before running bash

Status in bash package in Ubuntu:
  Fix Released
Status in bash source package in Precise:
  Fix Released
Status in bash source package in Trusty:
  In Progress
Status in bash source package in Xenial:
  In Progress
Status in bash source package in Bionic:
  In Progress
Status in bash source package in Cosmic:
  Fix Released
Status in bash source package in Disco:
  Fix Committed
Status in bash source package in Eoan:
  Fix Released

Bug description:
  [Impact]

   * The fallback path built into bash contains '.' which leads to
  unexpected addition of the current working directory. It should not be
  there, just like it isnt' in pre-precise and cosmic+.

  [Test Case]

   * $ env -u PATH /bin/bash -c 'echo $PATH'

  Should not have '.' as any component. Nor should there be any empty
  components, i.e. '::'.

  [Regression Potential]

   * Normally PATH is always set by either init, systemd, or any other
  hypervisor. Thus this only affects executions under bash, when it was
  started without any environment - e.g. booting with 'init=/bin/bash'.

  [Other Info]
   
   * Original bug report.

  On ubuntu 16.04 (but also 14.04), running bash with PATH unset always
  adds '.' to PATH:

  philippe@pv-desktop:~$ echo $PATH
  
/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games
  philippe@pv-desktop:~$ unset PATH
  philippe@pv-desktop:~$ /bin/bash
  philippe@pv-desktop:~$ echo $PATH
  /usr/local/bin:/usr/local/sbin:/usr/bin:/usr/sbin:/bin:/sbin:.

  Even when testing in a virtual machine / docker, and erasing
  /root/.profile /root/.bashrc /etc/profile /etc/bash.bashrc the problem
  still happens.

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