Fquery

Differences to Other Tools

While Fquery tries to emulate the behaviour of equery, some exceptions have been made in cases where equery got it wrong.

Dependency Query: d

The dependency query function takes into account the USE flags a package was installed with.

For example, dev-lang/ghc depends on dev-haskell/haddock only if the doc USE flag is enabled. Suppose it was not enabled at compile time.

• equery d haddock lists GHC as depending on haddock.
• fquery d haddock does not list GHC.

ChangeLog Query: c (emerge)

equery has not implemented the changelog function yet, but emerge does have the --changelog tool. However, the two implementations differ.

• Fquery lists changes between the installed version and the latest version.
• emerge lists changes between the installed version and the to-be-installed version.

You can limit the changes to list up to with Fquery, by passing in an argument after the package. Eg:

   fquery c xorg-x11 xorg-x11-6.9.0

will only list changes between the installed and xorg-x11-6.9.0. This can be used to recover the emerge behaviour.

• Fquery only lists changes for the specified package.
• emerge lists changes for all packages that will be installed.

• emerge will sometimes stop short.

• The output of Fquery is coloured and formatted slightly.

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