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#!/usr/bin/perl -w
#
# ekeyword: Update the KEYWORDS in an ebuild. For example:
#
# $ ekeyword ~alpha oaf-0.6.8-r1.ebuild
# 12c12
# < KEYWORDS="x86 ppc sparc"
# ---
# > KEYWORDS="x86 ppc sparc ~alpha"
die "syntax: ekeyword { arch | ~arch | -arch } ebuild...\n" unless @ARGV > 1;
my $kw = shift @ARGV;
(my $arch = $kw) =~ s|^[-~]||;
for my $f (@ARGV) {
open I, "<$f" or die "Can't read $f: $!\n";
open O, ">$f.new" or die "Can't create $f.new: $!\n";
select O;
while (<I>) {
/^KEYWORDS/ or print, next;
s/[-~]?$arch/$kw/ || s/.*?['"].*?(?=['"])/$& $kw/;
print $_, <I> or die "Can't write $f.new: $!\n";
}
close I;
close O;
system "diff $f $f.new" or die "Can't run diff: $!\n";
rename "$f.new", "$f" or die "Can't rename: $!\n";
}
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