Public bug reported:
in Apt, when trying to reinstall or remove problem packages, if the
process is unable to run, it says there are unmet dependencies. It then
suggest a command to run to fix the problems. This would be the proper
procedure for this, however the suggested command it provides is wrong.
$ lsb_release -rd
Description: Linux Mint 19.3 Tricia
Release: 19.3
apt:
Installed: 1.6.12
Candidate: 1.6.12
Version table:
*** 1.6.12 500
500 http://mirrors.tripadvisor.com/ubuntu bionic-updates/main amd64
Packages
100 /var/lib/dpkg/status
1.6.6ubuntu0.1 500
500 http://security.ubuntu.com/ubuntu bionic-security/main amd64
Packages
1.6.1 500
500 http://mirrors.tripadvisor.com/ubuntu bionic/main amd64 Packages
Expected behavior:
failed reinstall/uninstall command should show correct syntax for
recommended command. In this case it should be "apt install --fix-
broken", or "sudo apt install --fix-broken" (verified myself by running
that command).
Actual behavior:
output from failed command ended with
"E: Unmet dependencies. Try 'apt --fix-broken install' with no packages (or
specify a solution)."
Running the command as it is shown there results in apt giving a syntax
summary, rather than running the intended command.
It was only by guessing at alternative formats on the command that got it to
work. The format as shown in the incorrect example would have seemed more
logical, as the older apt-get equivalent was "apt-get -f install", with the
option switch before the command.
It is up to the devs to decide whether the switch before or after the
command is correct, just as long as the correct and functional form is
shown in the error.
** Affects: apt (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1869721
Title:
Apt error message gives incorrect syntax
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