[Bug 1915396] [NEW] /etc/lsb-release pointing to 18.04 after upgrade to 20.04

[Launchpad Bug Tracker]

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Hello,

I have a Dell XPS 13 7390. It came with Ubuntu 18.04 LTS installed, and
then I upgraded it to 20.04 LTS (20.04.2 LTS).

I was installing git-lfs now, and thanks to the script they use to
determine the OS (https://packagecloud.io/install/repositories/github
/git-lfs/script.deb.sh detect_os function), I have found that in the
file /etc/lsb-release, it still points to 18.04. This is the current
content:

DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=18.04
DISTRIB_CODENAME=bionic
DISTRIB_DESCRIPTION="Ubuntu 18.04 LTS (beaver-three-eyed-raven X92)"

Meanwhile, if I get the Ubuntu version with "lsb_release -a" command, I
get:

No LSB modules are available.
Distributor ID:	Ubuntu
Description:	Ubuntu 20.04.2 LTS
Release:	20.04
Codename:	focal

Is this normal or there were some issue during the upgrade? Is the file
/etc/lsb-release deprecated? Should I fill it with the current values or
may I break something?

Thank you in advance!
Francisco Robles

** Affects: ubuntu-release-upgrader (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: bot-comment dist-upgrade lsb-release
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/etc/lsb-release pointing to 18.04 after upgrade to 20.04
https://bugs.launchpad.net/bugs/1915396
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