The whatpkgs python module is an interface to the DNF API to perform complicated lookups on package dependencies.
This tool must be executed from the root of the git checkout in order for it to properly locate the frozen repository data.
This tool has been tested on Fedora 24 and 25. It requires the following pre-requisites (which includes DNF 2.0):
dnf install fedora-repos-rawhide
dnf update dnf --enablerepo=rawhide
dnf install python3-click python3-colorama
Usage: whatpkgs.py getsourcerpm [OPTIONS] [PKGNAMES]...
Look up the SRPMs from which these binary RPMs were generated.
This list will be displayed deduplicated and sorted.
Options:
--full-name / --no-full-name
--system / --no-system If --system is specified, use the 'fedora',
'updates', 'source' and 'updates-source'
repositories from the local system
configuration. Otherwise, use the static data
from the sampledata directory.
--help Show this message and exit.
Usage: whatpkgs.py neededby [OPTIONS] [PKGNAMES]...
Look up the dependencies for each specified package and display them in a
human-parseable format.
Options:
--hint TEXT Specify a package to be selected when more
than one package could satisfy a
dependency.
This option may be specified multiple times.
For example, it is recommended to use
--hint=glibc-minimal-langpack
--recommends / --no-recommends
--merge / --no-merge
--full-name / --no-full-name
--pick-first / --no-pick-first If multiple packages could satisfy a
dependency and no --hint package will
fulfill the requirement, automatically
select one from the list.
Note: this result
may differ between runs depending upon how
the list is
sorted. It is recommended to use
--hint instead, where practical.
--system / --no-system If --system is specified, use the 'fedora',
'updates', 'source' and 'updates-source'
repositories from the local system
configuration. Otherwise, use the static
data from the sampledata directory.
--help Show this message and exit.
"Self-hosting" in this context means "all of the packages necessary to be able to build all the packages listed on the command line, plus recursively any packages required to build those BuildRequires as well.
Usage: whatpkgs.py neededtoselfhost [OPTIONS] [PKGNAMES]...
Look up the build dependencies for each specified package and all of their
dependencies, recursively and display them in a human-parseable format.
Options:
--hint TEXT Specify a package to be selected when more
than one package could satisfy a
dependency.
This option may be specified multiple times.
For example, it is recommended to use
--hint=glibc-minimal-langpack
For build
dependencies, the default is to exclude
Recommends: from the
dependencies of the
BuildRequires.
--recommends / --no-recommends
--merge / --no-merge
--full-name / --no-full-name
--sources / --no-sources
--pick-first / --no-pick-first If multiple packages could satisfy a
dependency and no --hint package will
fulfill the requirement, automatically
select one from the list.
Note: this result
may differ between runs depending upon how
the list is
sorted. It is recommended to use
--hint instead, where practical.
--system / --no-system If --system is specified, use the 'fedora',
'updates', 'source' and 'updates-source'
repositories from the local system
configuration. Otherwise, use the static
data from the sampledata directory.
--help Show this message and exit.