diff options
Diffstat (limited to 'corepkgs')
| -rw-r--r-- | corepkgs/buildenv.pl | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/corepkgs/buildenv.pl b/corepkgs/buildenv.pl index ea517687b..fd564e027 100644 --- a/corepkgs/buildenv.pl +++ b/corepkgs/buildenv.pl @@ -78,10 +78,10 @@ sub createLinks { if (-l $dstFile) { my $target = readlink $dstFile; my $prevPriority = $priorities{$dstFile}; - die ( "Collission between `$srcFile' and `$target'. " - . "Suggested solution: use `nix-env --set-flag " + die ( "collission between `$srcFile' and `$target'; " + . "use `nix-env --set-flag " . "priority NUMBER PKGNAME' to change the priority of " - . "one of the conflicting packages.\n" ) + . "one of the conflicting packages\n" ) if $prevPriority == $priority; next if $prevPriority < $priority; unlink $dstFile or die; @@ -125,7 +125,7 @@ sub addPkg { # Convert the stuff we get from the environment back into a coherent # data type. -my %pkgs; +my @pkgs; my @derivations = split ' ', $ENV{"derivations"}; while (scalar @derivations) { my $active = shift @derivations; @@ -133,18 +133,21 @@ while (scalar @derivations) { my $outputs = shift @derivations; for (my $n = 0; $n < $outputs; $n++) { my $path = shift @derivations; - $pkgs{$path} = - { active => $active ne "false" + push @pkgs, + { path => $path + , active => $active ne "false" , priority => int($priority) }; } } # Symlink to the packages that have been installed explicitly by the -# user. -foreach my $pkg (sort (keys %pkgs)) { +# user. Process in priority order to reduce unnecessary +# symlink/unlink steps. +@pkgs = sort { $a->{priority} <=> $b->{priority} || $a->{path} cmp $b->{path} } @pkgs; +foreach my $pkg (@pkgs) { #print $pkg, " ", $pkgs{$pkg}->{priority}, "\n"; - addPkg($pkg, $pkgs{$pkg}->{priority}) if $pkgs{$pkg}->{active}; + addPkg($pkg->{path}, $pkg->{priority}) if $pkg->{active}; } |