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|
#!/usr/bin/perl -w
#
# Copyright 2003-2010, Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# Written by Aron Griffis <agriffis@gentoo.org>
#
# ekeyword: Update the KEYWORDS in an ebuild. For example:
#
# $ ekeyword ~alpha oaf-0.6.8-r1.ebuild
# - ppc sparc x86
# + ~alpha ppc sparc x86
my ($kw_re) = '^(?:([-~^]?)(\w[\w-]*)|([-^]\*))$';
my (@kw);
my $PORTDIR = undef;
my %ARCH = ();
sub file_parse {
my $fname = shift;
my @content = ();
if ( ! -r $fname ) {
printf STDERR ("Error: File '%s' doesn't exist or is not readable!\n", $fname);
exit(1);
}
open(FILE, '<', $fname);
while(defined(my $line = <FILE>)) {
chomp($line);
$line =~ s/^\s*//g;
$line =~ s/\s*$//g;
$line =~ s/\s+/ /g;
next if length($line) eq 0;
next if $line =~ m/^#/;
push(@content, $line);
}
close(FILE);
return @content;
}
sub get_portdir() {
open(PORTAGEQ, '-|', 'portageq portdir');
chomp(my $portdir = <PORTAGEQ>);
close(PORTAGEQ);
if (length($portdir) eq 0) {
printf STDERR ("Error: Couldn't determine your PORTDIR...\n");
exit(1);
}
return $portdir;
}
sub get_architectures() {
foreach my $arch (file_parse("${PORTDIR}/profiles/arch.list")) {
$ARCH{$arch} = 0;
}
}
sub get_architectures_status() {
foreach my $line (file_parse("${PORTDIR}/profiles/profiles.desc")) {
my ($arch, undef, $status) = split(/\s/, $line, 3);
if(defined($ARCH{$arch})) {
$ARCH{$arch} = 1 if $status eq "dev" and $ARCH{$arch} < 3; # Don't override stable
$ARCH{$arch} = 2 if $status eq "exp" and $ARCH{$arch} < 3; # Don't override stable
$ARCH{$arch} = 3 if $status eq "stable";
}
}
}
# make sure the cmdline consists of keywords and ebuilds
unless (@ARGV > 0) {
# NOTE: ~all will ignore all -arch keywords
print STDERR "syntax: ekeyword { arch | ~[arch] | -[arch] } ebuild...\n";
print STDERR "instead of 'arch' you can also use 'all' which covers all existing keywords...\n";
exit(1);
}
for my $a (@ARGV) {
$a = '~all' if $a eq '~' or $a eq $ENV{'HOME'}; # for vapier
next if $a =~ /$kw_re/o; # keyword
next if $a =~ /^\S+\.ebuild$/; # ebuild
die "I don't understand $a\n";
}
$PORTDIR = get_portdir();
get_architectures();
get_architectures_status();
my $files = 0;
for my $f (@ARGV) {
if ($f =~ m/$kw_re/o) {
my $arch = $2;
if(length($arch) > 0 && $arch ne "all") {
if(!defined($ARCH{$arch})) {
printf STDERR ("'%s' is an unknown architecture! skipping...\n", $arch);
next;
}
}
push @kw, $f;
next;
}
print "$f\n";
open I, "<$f" or die "Can't read $f: $!\n";
open O, ">$f.new" or die "Can't create $f.new: $!\n";
select O;
while (<I>) {
if (/^\s*KEYWORDS=/) {
# extract the quoted section from KEYWORDS
while (not /^\s*KEYWORDS=["'].*?["']/) {
chomp;
my $next = <I>;
$_ = join " ", $_, $next;
}
(my $quoted = $_) =~ s/^.*?["'](.*?)["'].*/$1/s;
# replace -* with -STAR for our convenience below
$quoted =~ s/-\*/-STAR/;
for my $k (@kw) {
my ($leader, $arch, $star) = ($k =~ /$kw_re/o);
# handle -* and ^*
if (defined $star) {
$leader = substr $star,0,1;
$arch = 'STAR';
}
# remove keywords
if ($leader eq '^') {
if ($arch eq 'all') {
$quoted = '';
} else {
$quoted =~ s/[-~]?\Q$arch\E\b//;
}
# add or modify keywords
} else {
if ($arch eq 'all') {
# modify all non-masked keywords in the list
# Don't add stable keywords for != stable architectures
if(length($leader) eq 0) {
foreach my $tmp (split(/\s/, $quoted)) {
my (undef, $_arch, undef) = ($tmp =~ m/$kw_re/o);
if($ARCH{$_arch} and $ARCH{$_arch} eq 3) {
$quoted =~ s/\Q~${_arch}\E/${_arch}/;
}
}
}
else {
$quoted =~ s/(^|\s)~?(?=\w)/$1$leader/g;
}
} else {
# modify or add keyword
unless ($quoted =~ s/[-~]?\Q$arch\E(\s|$)/$leader$arch$1/) {
# modification failed, need to add
if ($arch eq 'STAR') {
$quoted = "$leader$arch $quoted";
} else {
$quoted .= " $leader$arch";
}
}
}
}
}
# replace -STAR with -*
$quoted =~ s/-STAR\b/-*/;
# sort keywords and fix spacing
$quoted = join " ", sort {
(my $sa = $a) =~ s/^\W//;
(my $sb = $b) =~ s/^\W//;
return -1 if $sa eq '*';
return +1 if $sb eq '*';
$sa .= "-";
$sb .= "-";
$sa =~ s/([a-z0-9]+)-([a-z0-9]*)/$2-$1/g;
$sb =~ s/([a-z0-9]+)-([a-z0-9]*)/$2-$1/g;
$sa cmp $sb;
} split " ", $quoted;
# re-insert quoted to KEYWORDS
s/(["']).*?["']/$1$quoted$1/;
print $_ or die "Can't write $f.new: $!\n";
} else {
print, next;
}
}
close I;
close O;
select STDOUT;
system("diff -U 0 ${f} ${f}.new");
rename("$f.new", "$f") or die "Can't rename: $!\n";
$files++;
}
if ($files == 0) {
die "No ebuilds processed!";
}
# vim:ts=4 sw=4
|
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