#!/usr/bin/python -t
#
# Create an /etc/gitolog/conf/getolog.conf file with acls for dist-git
#
# Takes no arguments!
#

import fedora.client
import sys
import grp

if __name__ == '__main__':
    # Get the users in various groups
    TRUSTED = grp.getgrnam('cvsadmin')[3]
    SPARC = grp.getgrnam('fedora-sparc')[3]
    IA64 = grp.getgrnam('fedora-ia64')[3]
    S390 = grp.getgrnam('fedora-s390')[3]
    PROVEN = grp.getgrnam('provenpackager')[3]
    ACTIVE = ['EL-4', 'EL-5', 'F-11', 'F-12', 'devel']

    # Read the ACL information from the packageDB
    pkgdb = fedora.client.PackageDB()
    acls = pkgdb.get_vcs_acls()

    # Get a list of all the packages
    pkglist = acls.keys()
    pkglist.sort()

    # sanity check
    if len(pkglist) < 2500:
        sys.exit(1)

    # print out our user groups
    print '@admins = %s' % ' '.join(TRUSTED)
    print '@provenpackager = %s' % ' '.join(PROVEN)
    print '@fedora-sparc = %s' % ' '.join(SPARC)
    print '@fedora-ia64 = %s' % ' '.join(IA64)
    print '@fedora-s390 = %s' % ' '.join(S390)
    print

    # print out all our packages as a group
    print '@pkgs = rpms/%s' % ' rpms/'.join(pkglist)
    print

    # print our default permissions
    print 'repo @pkgs'
    print '    RW               = @admins @fedora-sparc @fedora-ia64 @fedora-s390'

    for pkg in pkglist:
        branchAcls = {} # Check whether we need to set separate per branch acls
        buffer = [] # Buffer the output per package

        # Examine each branch in the package
        branches = acls[pkg].keys()
        branches.sort()
        for branch in branches:
            if not branch in ACTIVE:
                continue
            if 'packager' in acls[pkg][branch]['commit']['groups']:
                # If the packager group is defined, everyone has access
                if branch == 'devel':
                    branch = 'master'
                buffer.append('    RW   %s        = @all' % (branch))
                branchAcls.setdefault('@all', []).append((pkg, branch))
            else:
                # Extract the owners
                committers = []
                owners = acls[pkg][branch]['commit']['people']
                owners.sort()
                for owner in owners:
                    committers.append(owner)
                if 'provenpackager' in acls[pkg][branch]['commit']['groups']:
                    committers.append('@provenpackager')

                # Print the committers to the acl for this package-branch
                committers = ' '.join(committers)
                if branch == 'devel':
                    branch = 'master'
                buffer.append('    RW   %s          = %s' %
                              (branch, committers))
                branchAcls.setdefault(committers, []).append((pkg, branch))

        print
        print 'repo rpms/%s' % pkg
        if len(branchAcls.keys()) == 1:
            acl = branchAcls.keys()[0]
            print '    RW               = %s' % acl
        else:
            print '\n'.join(buffer)
        print '    R            = @all'

    sys.exit(0)