apt-get autoremove command analog

[reedych]

Apt-get has the command "autoremove" that removes not needed packages. An example:
1. Ivan installs package X, with dependencies: A, B.
2. Ivan installs package Y, with dependencies: B, C.
3. Ivan don't already need the package X, he do "slapt-get --remove X".
4. Ivan is angry. He doesn't have free space on hd. He do "slapt-get --autoremove"
5. slapt-get magically (or not magically) understands, there's no package that needs the package A.
6. slapt-get removes A.
What about realizing this?

[DidierSpaier]

Hello,

from the Ubuntu man page:

Code: Select all

           autoremove (and the auto-remove alias since 1.1)
           autoremove is used to remove packages that were automatically
           installed to satisfy dependencies for other packages and are now no
           longer needed.

This means that to implement this feature slapt-get should record that A was installed as a dependency of X, and more generally:

• if it was installed as a dependency of another package record the name of this dependent package,
• whenever a package is removed, update the record of all its dependencies accordingly, removing the removed package from the list of dependents of all its dependencies,
• when removepkg is used, scan each package to see if it has list of dependents that has been emptied

In my opinion, this is way too complicated and error prone, so if ever this feature was added to slapt-get, I would remove it from the slapt-get we ship in Slint

This being said, you are free to request that from slapt-get's author, Jason Woodward.

Greetings,

Didier

[gapan]

this is way too complicated and error prone

Exactly.

[ChuangTzu]

completely unnecessary and as Didier and gapan pointed out overly complicated....here are a few examples of problems people had with the so called "autoremove" feature:
https://www.linuxquestions.org/question ... fe-935534/
http://forums.debian.net/viewtopic.php?t=84644

[mimosa]

One might add, the whole idea dates back to the days of the 5GB hard drive. On a modern system, there is plenty of room for a little "clutter". The exceptions, if there are any, will generally be situations where the user "knows what he is doing".