diff options
Diffstat (limited to 'URPM/Resolve.pm')
| -rw-r--r-- | URPM/Resolve.pm | 162 |
1 files changed, 131 insertions, 31 deletions
diff --git a/URPM/Resolve.pm b/URPM/Resolve.pm index c7e8451..7f1d74e 100644 --- a/URPM/Resolve.pm +++ b/URPM/Resolve.pm @@ -159,7 +159,7 @@ sub unsatisfied_requires { #- check on selected package if a provide is satisfying the resolution (need to do the ops). foreach (keys %{$urpm->{provides}{$n} || {}}) { my $p = $urpm->{depslist}[$_]; - $p->flag_selected || exists $state->{selected}{$_} or next; + exists $state->{selected}{$_} or next; if ($urpm->{provides}{$n}{$_}) { #- sense information are used, this means we have to examine carrefully the provides. foreach ($p->provides) { @@ -202,7 +202,7 @@ sub unsatisfied_requires { sub backtrack_selected { my ($urpm, $db, $state, $dep, %options) = @_; - if (defined $dep->{required} && $options{callback_backtrack}) { + if (defined $dep->{required}) { #- search for all possible packages, first is to try the selection, then if it is #- impossible, backtrack the origin. my $packages = $urpm->find_candidate_packages($dep->{required}); @@ -213,8 +213,11 @@ sub backtrack_selected { exists $state->{backtrack}{selected}{$_->id} and next; #- a package if found is problably rejected or there is a problem. if ($state->{rejected}{$_->fullname}) { - if ($options{callback_backtrack}->($urpm, $db, $state, $_, + if (!$options{callback_backtrack} || + $options{callback_backtrack}->($urpm, $db, $state, $_, dep => $dep, alternatives => $packages, %options) <= 0) { + #- keep in mind a backtrack has happening here... + $state->{rejected}{$_->fullname}{backtrack} ||= {}; #- backtrack callback should return a strictly positive value if the selection of the new #- package is prefered over the currently selected package. next; @@ -341,11 +344,13 @@ sub resolve_requested { #- populate properties with backtrack informations. while (my ($r, $v) = each %$requested) { - #- keep track of requested packages by propating the flag. - my $packages = $urpm->find_candidate_packages($r); - foreach (values %$packages) { - foreach (@$_) { - $_->set_flag_requested; + unless ($options{keep_requested_flag}) { + #- keep track of requested packages by propating the flag. + my $packages = $urpm->find_candidate_packages($r); + foreach (values %$packages) { + foreach (@$_) { + $_->set_flag_requested; + } } } #- keep value to be available from selected hash. @@ -362,7 +367,7 @@ sub resolve_requested { #- in case of keep_unrequested_dependencies option is not set, we need to avoid #- selecting packages if the source has been disabled. if (exists $dep->{from} && !$options{keep_unrequested_dependencies}) { - $dep->{from}->flag_selected || exists $state->{selected}{$dep->{from}->id} or next; + exists $state->{selected}{$dep->{from}->id} or next; } #- take the best choice possible. @@ -389,7 +394,7 @@ sub resolve_requested { #- now do the real work, select the package. my ($pkg) = @chosen; - !$pkg || $pkg->flag_selected || exists $state->{selected}{$pkg->id} and next; + !$pkg || exists $state->{selected}{$pkg->id} and next; if ($pkg->arch eq 'src') { $pkg->set_flag_upgrade; @@ -430,13 +435,14 @@ sub resolve_requested { push @selected, $pkg; $state->{selected}{$pkg->id} = { exists $dep->{requested} ? (requested => $dep->{requested}) : @{[]}, exists $dep->{from} ? (from => $dep->{from}) : @{[]}, + $pkg->flag_disable_obsolete ? (install => 1) : @{[]}, }; $pkg->set_flag_required; #- check if package is not already installed before trying to use it, compute #- obsoleted package too. this is valable only for non source package. - if ($pkg->arch ne 'src') { + if ($pkg->arch ne 'src' && !$pkg->flag_disable_obsolete) { my (%diff_provides); foreach ($pkg->name." < ".$pkg->epoch.":".$pkg->version."-".$pkg->release, $pkg->obsoletes) { @@ -498,7 +504,7 @@ sub resolve_requested { @{$packages->{$p->name}}; if (length $best) { - push @properties, { required => $best, promote => $n }; + push @properties, { required => $best, from => $pkg, promote => $n }; } else { #- no package have been found, we may need to remove the package examined unless #- there exists a package that provided the unsatisfied requires. @@ -510,7 +516,7 @@ sub resolve_requested { } if (@best == @l) { - push @properties, map { +{ required => $_, promote => $n } } @best; + push @properties, map { +{ required => $_, from => $pkg, promote => $n } } @best; } else { $urpm->resolve_rejected($db, $state, $p, removed => 1, unsatisfied => \@properties, @@ -563,7 +569,7 @@ sub resolve_requested { @{$packages->{$p->name}}; if (length $best) { - push @properties, { required => $best, promote_conflicts => $name }; + push @properties, { required => $best, from => $pkg, promote_conflicts => $name }; } else { #- no package have been found, we need to remove the package examined. $urpm->resolve_rejected($db, $state, $p, @@ -604,7 +610,7 @@ sub disable_selected { #- iterate over package needing unrequested one. while (my $pkg = shift @closure) { - $pkg->flag_selected || exists $state->{selected}{$pkg->id} or next; + exists $state->{selected}{$pkg->id} or next; #- keep a trace of what is deselected. push @unselected, $pkg; @@ -633,7 +639,7 @@ sub disable_selected { foreach my $n ($pkg->provides_nosense) { foreach (keys %{$state->{whatrequires}{$n} || {}}) { my $p = $urpm->{depslist}[$_]; - $p->flag_selected || exists $state->{selected}{$p->id} or next; + exists $state->{selected}{$p->id} or next; if ($urpm->unsatisfied_requires($db, $state, $p, name => $n)) { #- this package has broken dependencies and is selected. push @closure, $p; @@ -670,7 +676,7 @@ sub disable_selected_unrequested_dependencies { foreach ($_->requires_nosense) { foreach (keys %{$urpm->{provides}{$_} || {}}) { my $pkg = $urpm->{depslist}[$_] or next; - $pkg->flag_selected || exists $state->{selected}{$pkg->id} or next; + exists $state->{selected}{$pkg->id} or next; $pkg->flag_requested and next; $required{$pkg->id} = undef; } @@ -684,7 +690,7 @@ sub disable_selected_unrequested_dependencies { foreach (keys %{$state->{whatrequires}{$_}}) { my $p = $urpm->{depslist}[$_] or next; exists $required{$p->id} and next; - $p->flag_selected and $required{$pkg->id} = 1; + exists $state->{selected}{$p->id} and $required{$pkg->id} = 1; } } } @@ -725,35 +731,41 @@ sub compute_installed_flags { \%sizes; } -#- compute skip flag according to hash describing package to remove +#- compute flags according to hash describing package to remove #- $skip is a hash reference described as follow : #- key is package name or regular expression on fullname if /.../ #- value is reference to hash indicating sense information ({ '' => undef } if none). #- options hash : #- callback : sub to be called for each package with skip flag activated, -sub compute_skip_flags { - my ($urpm, $skip, %options) = @_; +sub compute_flags { + my ($urpm, $val, %options) = @_; #- avoid losing our time. - %$skip or return; + %$val or return; foreach my $pkg (@{$urpm->{depslist}}) { #- check if fullname is matching a regexp. - if (grep { exists($skip->{$_}{''}) && /^\/(.*)\/$/ && $pkg->fullname =~ /$1/ } keys %$skip) { + if (grep { exists($val->{$_}{''}) && /^\/(.*)\/$/ && $pkg->fullname =~ /$1/ } keys %$val) { #- a single selection on fullname using a regular expression. - unless ($pkg->flag_skip) { - $pkg->set_flag_skip(1); - $options{callback} and $options{callback}->($urpm, $pkg, %options); + foreach (qw(skip disable_obsolete)) { + if ($options{$_} && !$pkg->flag($_)) { + $pkg->set_flag($_, 1); + $options{callback} and $options{callback}->($urpm, $pkg, %options); + } } } else { #- check if a provides match at least one package. foreach ($pkg->provides) { if (my ($n, $s) = /^([^\s\[]*)(?:\[\*\])?\[?([^\s\]]*\s*[^\s\]]*)/) { - foreach my $sn ($n, grep { /^\/(.*)\/$/ && $n =~ /$1/ } keys %$skip) { - foreach (keys %{$skip->{$sn} || {}}) { - if (URPM::ranges_overlap($_, $s) && !$pkg->flag_skip) { - $pkg->set_flag_skip(1); - $options{callback} and $options{callback}->($urpm, $pkg, %options); + foreach my $sn ($n, grep { /^\/(.*)\/$/ && $n =~ /$1/ } keys %$val) { + foreach (keys %{$val->{$sn} || {}}) { + if (URPM::ranges_overlap($_, $s)) { + foreach (qw(skip disable_obsolete)) { + if ($options{$_} && !$pkg->flag($_)) { + $pkg->set_flag($_, 1); + $options{callback} and $options{callback}->($urpm, $pkg, %options); + } + } } } } @@ -905,6 +917,87 @@ sub request_packages_to_upgrade { $requested; } +#- detect a dependency relation. +sub has_dependence { + my ($urpm, $state, $a, $b) = @_; + my %examined; $examined{$a} = undef; + my @closure = $urpm->{depslist}[$a]; + + while (my $pkg = shift @closure) { + $pkg->id eq $b and return 1; + if (my $from = $state->{selected}{$pkg->id}{from}) { + unless (exists $examined{$from->id}) { + $examined{$from->id} = undef; + push @closure, $from; + } + } + foreach ($pkg->provides_nosense) { + foreach (keys %{$state->{whatrequires}{$_} || {}}) { + my $p = $urpm->{depslist}[$_] or next; + $state->{selected}{$p->id} or next; + exists $examined{$p->id} and next; + $examined{$p->id} = undef; + push @closure, $p; + } + } + } + + return 0; +} + +#- build transaction set for given selection already done. +sub build_transaction_set { + my ($urpm, $db, $state, %options) = @_; + + if ($options{split_level}) { + #- first step consists of sorting packages according to dependencies. + my @sorted = sort { ($a <=> $b, -1, +1, 0)[($urpm->has_dependence($state, $a, $b) && 1) + + ($urpm->has_dependence($state, $b, $a) && 2)] } + grep { (! defined $options{start} || $_ >= $options{start}) && + (! defined $options{end} || $_ <= $options{end})} keys %{$state->{selected}}; + + #- second step consists of re-applying resolve_requested in the same + #- order computed in first step and to update a list of package to + #- install, to upgrade and to remove. + my (%requested, %examined); + foreach (@sorted) { + $requested{$_} = undef; + if (keys(%requested) >= $options{split_level}) { + my %set; + + $urpm->resolve_requested($db, $state->{transaction_state} ||= {}, \%requested, + keep_requested_flag => 1, + defined $options{start} ? (start => $options{start}) : @{[]}, + defined $options{end} ? (end => $options{end}) : @{[]}); + %requested = (); + + foreach (keys %{$state->{transaction_state}{selected}}) { + exists $examined{$_} and next; + $examined{$_} = undef; + push @{$set{upgrade}}, $_; + } + foreach (keys %{$state->{transaction_state}{rejected}}) { + exists $examined{$_} and next; + $examined{$_} = undef; + $state->{transaction_state}{rejected}{$_}{removed} && + !$state->{transaction_state}{rejected}{$_}{obsoleted} or next; + push @{$set{remove}}, $_; + } + %set and push @{$state->{transaction}}, \%set; + } + } + } else { + #- no split is necessary, simply extract from current selection. + $state->{transaction} = [ { + upgrade => [ keys %{$state->{selected}} ], + remove => [ grep { $state->{rejected}{$_}{removed} && !$state->{rejected}{$_}{obsoleted} } + keys %{$state->{rejected}} ], + } ]; + } + + $state->{transaction}; +} + #- compatiblity method which are going to be removed. sub resolve_closure_ask_remove { my ($urpm, $db, $state, $pkg, $from, $why, $avoided) = @_; @@ -943,5 +1036,12 @@ sub resolve_unrequested { #- use return value of old method. %$unrequested && $unrequested; } +sub compute_skip_flags { + my ($urpm, $skip, %options) = @_; + + print STDERR "calling obsoleted method URPM::compute_skip_flags\n"; + + $urpm->compute_flags($skip, %options, skpip => 1); +} 1; |