[Bug 1300991] Re: auto-apt update and updatedb commands fail on 0.3.23

[iw2snl]

Yeah, that's cool. Thanks for the work : ) .

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Title:
  auto-apt update and updatedb commands fail on 0.3.23

Status in “auto-apt” package in Ubuntu:
  Fix Released
Status in “auto-apt” source package in Trusty:
  New

Bug description:
  [Impact]
  * auto-apt fails to update its local database of package information.
    - Due to this, auto-apt is unusable in Trusty (and Saucy).
  * The new version 0.3.24 fixes this bug, LP: #1300987 and a dpkg warning about an
    obsolete argument.

  [Test Case]
  * Run the commands 'sudo auto-apt update' and 'sudo auto-apt updatedb'.
    - With version 0.3.23, the local database is not updated and the commands print
      'put: 0 files, 0 entries done (xx seconds)' or similar.
    - With the new version 0.3.24, the local database is successfully updated. The
      commands take a lot more time to complete and display more output.

  [Regression Potential]
  * auto-apt is already non-functional in Trusty (and Saucy), therefore there is no
    regression potential.

  [Other Info]
  * The original bug report for Saucy follows:

  1)Description: Ubuntu 13.10
  Release: 13.10

  Note: Actually Kubuntu 13.10

  2)auto-apt:
    Installed: 0.3.23
    Candidate: 0.3.23
    Version table:
   *** 0.3.23 0
          500 http://md.archive.ubuntu.com/ubuntu/ saucy/universe amd64 Packages
          100 /var/lib/dpkg/status

  3) $ sudo auto-apt update
       $ sudo auto-apt updatedb
  Both commands should update the databases

  4) $ sudo auto-apt update
       $ sudo auto-apt updatedb
  Both commands  output:
  put: 0 files, 0 entries done (xx seconds)
  where xx is about 10 seconds.
  And, no update is performed.

  5) The bug is caused by line 145 in /usr/bin/auto-apt
   sed -ne 's=^[[:space:]][[:space:]]*deb[[:space:]][[:space:]]*\([^:[:space:]]*\):\([^[:space:]]*\)[[:space:]][[:space:]]*\([^[:space:]]*\)[[:space:]][[:space:]]*.*=\1 \2/dists/\3=p' |

  i.e. by the one trailing space in the beginning ^[[:space:]][[:space:]]*deb
  At least my /etc/apt/sources.list doesn't contain any trailing spaces, which causes the sed to return 0 sources and no update is performed by auto-apt.

  6) A workaround (or maybe a fix) is to delete the first trailing space [[:space:]] so the line should look like
  sed -ne 's=^[[:space:]]*deb[[:space:]][[:space:]]*\([^:[:space:]]*\):\([^[:space:]]*\)[[:space:]][[:space:]]*\([^[:space:]]*\)[[:space:]][[:space:]]*.*=\1 \2/dists/\3=p' |

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