[Bug 1311056] Re: apt-add-repository adds duplicate commented/disabled source lines

[Peter Sabaini]

We're seeing this in the context of a charm where add-apt-repository is
called periodically. We ended up with a sources.list file weighing in at
2.6Mb, which created problems for the regex engine there. In light of
this can I ask to reconsider the "low" importance of this bug?

FTR. this is Bionic, software-properties ver 0.96.24.32.7

** Tags added: canonical-bootstack

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https://bugs.launchpad.net/bugs/1311056

Title:
  apt-add-repository adds duplicate commented/disabled source lines

Status in python-apt package in Ubuntu:
  Triaged
Status in software-properties package in Ubuntu:
  Triaged

Bug description:
  Trusty Tahr 14.04

  0 root at osprey:/etc/apt/sources.list.d#cat aims-aims-desktop-trusty.list 
  deb http://ppa.launchpad.net/aims/aims-desktop/ubuntu trusty main
  # deb-src http://ppa.launchpad.net/aims/aims-desktop/ubuntu trusty main
  0 root at osprey:/etc/apt/sources.list.d#apt-add-repository -y ppa:aims/aims-desktop
  gpg: keyring `/tmp/tmp0ufdhnmv/secring.gpg' created
  gpg: keyring `/tmp/tmp0ufdhnmv/pubring.gpg' created
  gpg: requesting key BE796FF2 from hkp server keyserver.ubuntu.com
  gpg: /tmp/tmp0ufdhnmv/trustdb.gpg: trustdb created
  gpg: key BE796FF2: public key "Launchpad PPA for AIMS" imported
  gpg: Total number processed: 1
  gpg:               imported: 1  (RSA: 1)
  OK
  0 root at osprey:/etc/apt/sources.list.d#cat aims-aims-desktop-trusty.list deb http://ppa.launchpad.net/aims/aims-desktop/ubuntu trusty main
  # deb-src http://ppa.launchpad.net/aims/aims-desktop/ubuntu trusty main
  # deb-src http://ppa.launchpad.net/aims/aims-desktop/ubuntu trusty main
  0 root at osprey:/etc/apt/sources.list.d#

  That deb-src line should have stayed commented out, and not been
  duplicated. (Commented deb lines should of course be uncommented, as
  already fixed per https://bugs.launchpad.net/ubuntu/+source/python-
  apt/+bug/1042916 .)

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