Package: aptitude
Version: 0.7.8-1
Today I will inspect the how hard it is to just simple reverse the action of
# aptitude forbid-version somepackage
so we are back to the state before we did it.
The man page says
To revert the action, "aptitude install " will remove the
ban. To remove the forbidden version without installing the
candidate version, the current version should be appended: "install
=".
Well I think you really should an unforbid-version command.
With no = then it should clear the forbidden version of that package(s).
Also the man page should say if only one version can be forbidden or
more.
Also one thinks I could just use forbid-version=0 to clear it, but that
is not a current version of that package.
And
# aptitude forbid-version package1 package2 package3 ... package20
will require an enormous amount of work to reverse, digging up each
version number...
OK, let's try
# aptitude install xserver-xorg-video-cirrus=1:1.5.3-1+b1
We will very likely encounter some
"The following actions will resolve these dependencies:
Remove the following packages:"
questions which we will very probably answer "n", never reaching the
point where supposedly the forbid-version will be erased without
installing the package before quitting!
And, when you think about it
# aptitude install xserver-xorg-video-cirrus=
means the same as
# aptitude install xserver-xorg-video-cirrus
so if one didn't want to install the package one would answer "n" when
asked so never reaching the step where ... anyway one big no-op and the
forbid-version stays.
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