[Bug 1733398] Re: gunzip fails with message : not in gzip format

[Brian Murray]

I was unable to recreate this in a bionic schroot.

(bionic-amd64)root at impulse:/tmp# apt-cache policy gzip                                                                             
gzip:
  Installed: 1.6-5ubuntu1
  Candidate: 1.6-5ubuntu1
  Version table:
 *** 1.6-5ubuntu1 500
        500 http://192.168.10.7/ubuntu bionic/main amd64 Packages
        100 /var/lib/dpkg/status
<iles/buildlog_ubuntu-bionic-amd64.kf5-messagelib_4%3A17.11.80+p18.04+git20171119.2017-0_BUILDING.txt.gz                                                      
--2017-11-21 16:48:56--  https://launchpad.net/~kubuntu-ci/+archive/ubuntu/unstable/+build/13749931/+files/buildlog_ubuntu-bionic-amd64.kf5-messagelib_4%3A17.11.80+p18.04+git20171119.2017-0_BUILDING.txt.gz
Resolving launchpad.net (launchpad.net)... 91.189.89.223, 91.189.89.222
Connecting to launchpad.net (launchpad.net)|91.189.89.223|:443... connected.
HTTP request sent, awaiting response... 303 See Other
Location: https://launchpadlibrarian.net/346383456/buildlog_ubuntu-bionic-amd64.kf5-messagelib_4%3A17.11.80+p18.04+git20171119.2017-0_BUILDING.txt.gz [following]
--2017-11-21 16:48:57--  https://launchpadlibrarian.net/346383456/buildlog_ubuntu-bionic-amd64.kf5-messagelib_4%3A17.11.80+p18.04+git20171119.2017-0_BUILDING.txt.gz
Resolving launchpadlibrarian.net (launchpadlibrarian.net)... 91.189.89.229, 91.189.89.228
Connecting to launchpadlibrarian.net (launchpadlibrarian.net)|91.189.89.229|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 162991 (159K) [text/plain]
Saving to: 'buildlog_ubuntu-bionic-amd64.kf5-messagelib_4:17.11.80+p18.04+git20171119.2017-0_BUILDING.txt.gz'

buildlog_ubuntu-bionic-amd64.kf5-messag
100%[==============================================================================>]
159.17K   319KB/s    in 0.5s

2017-11-21 16:48:59 (319 KB/s) - 'buildlog_ubuntu-bionic-
amd64.kf5-messagelib_4:17.11.80+p18.04+git20171119.2017-0_BUILDING.txt.gz'
saved [162991/162991]

(bionic-amd64)root at impulse:/tmp# gunzip buildlog_ubuntu-bionic-amd64.kf5-messagelib_4\:17.11.80+p18.04+git20171119.2017-0_BUILDING.txt.gz 
(bionic-amd64)root at impulse:/tmp# ls
buildlog_ubuntu-bionic-amd64.kf5-messagelib_4:17.11.80+p18.04+git20171119.2017-0_BUILDING.txt

Could you double check or provide some more information on how I might
recreate this? Its also worth noting that the version of gunzip in
artful and bionic is the same one.

** Changed in: gzip (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1733398

Title:
  gunzip fails with message : not in gzip format

Status in gzip package in Ubuntu:
  Incomplete

Bug description:
  I use "gzip -d" or "gunzip" to extract build logs to update the
  symbols.  For example:

  wget https://launchpad.net/~kubuntu-
  ci/+archive/ubuntu/unstable/+build/13749931/+files/buildlog_ubuntu-
  bionic-
  amd64.kf5-messagelib_4%3A17.11.80+p18.04+git20171119.2017-0_BUILDING.txt.gz

  gunzip buildlog_ubuntu-bionic-
  amd64.kf5-messagelib_4\:17.11.80+p18.04+git20171119.2017-0_BUILDING.txt.gz

  However, on Bionic this last command fails with:

  gzip: buildlog_ubuntu-bionic-
  amd64.kf5-messagelib_4:17.11.80+p18.04+git20171119.2017-0_BUILDING.txt.gz:
  not in gzip format

  
  The same file extracts on other systems, just not Bionic 18.04

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