rpm-multiple_owners.py

#!/usr/bin/python3
# https://fedoraproject.org/wiki/Packaging:Guidelines#File_and_Directory_Ownership
# Made by Frafra

import collections
import rpm

def depchain_check(pkg, pkgs):
    ts = rpm.TransactionSet()
    ts.addErase(pkg)
    ts.setFlags(rpm.RPMTRANS_FLAG_TEST)
    ts.run(lambda *args: None, [])
    rdep = [problem[0][0] for problem in ts.check()]
    return sorted(pkgs.intersection(rdep))

depchain_cache = {}
thefts = collections.defaultdict(list)
def look_for_thieves(filename, pkgs):
    for pkg in pkgs:
        if pkg not in depchain_cache:
            depchain = depchain_check(pkg, pkgs)
            depchain_cache[pkg] = depchain
        else:
            depchain = depchain_cache[pkg]
        if depchain:
            thefts[pkg].append(filename)

def multiple_pkgs_filter(dictionary):
    for filename, pkgs in dictionary.items():
        if len(pkgs) > 1:
            if not pkgs in srpm_rpm.values():
                yield filename, pkgs

srpm_rpm = collections.defaultdict(set)
def main():
    files_rpms = collections.defaultdict(set)
    ts = rpm.TransactionSet()
    mi = ts.dbMatch()
    for h in mi:
        pkg = h['name'].decode()
        for filename in h['filenames']:
            files_rpms[filename.decode()].add(pkg)
        srpm_rpm[h['sourcerpm'].decode()].add(pkg)

    for filename, pkgs in multiple_pkgs_filter(files_rpms):
        look_for_thieves(filename, pkgs)

    for pkg, files in thefts.items():
        print("%s require(s) %s but they own:" % (' '.join(depchain_cache[pkg]), pkg))
        for filename in sorted(files):
            print(' - '+filename)

if __name__ == '__main__':
    main()