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#!/usr/bin/perl
use strict;
use warnings;
my $fname = shift @ARGV or die;
my $add = shift @ARGV or die;
my $msg = shift @ARGV || "requested";
$SIG{__WARN__} = sub
{
local $_ = shift;
chomp;
print STDERR "\033[32;1m" . $_ . "\033[0m\n"
};
warn "Adding: $add\n";
my $file = $fname;
$file = "$ENV{HOME}/rpm/packages/$fname/$fname.spec"
unless -r $file;
-r $file or die;
open FILE, "<", $file;
my @in = <FILE>;
close FILE;
my $brm = qr/#?(?:%\{!?\?with_\S+:)?\s*BuildRequires:\s*(\S+)\s*(?:(>|>=|==|<=|<).*)?\}?/i;
foreach ( @in ) {
if ( /^$brm$/o ) {
if ( $1 eq $add ) {
warn "$add already on the list\n";
exit;
}
}
}
my @out;
while ( $_ = shift @in ) {
if ( /^\s*(build(requires|root|conflicts|arch)|requires(\(.*\))?|provides|conflicts|obsoletes|excludearch):/i ) {
unshift @in, $_;
last;
}
push @out, $_;
}
my @buf;
while ( $_ = shift @in ) {
if ( /^%if/ ) {
push @buf, $_;
my $i = 1;
while ( $_ = shift @in ) {
push @buf, $_;
if ( /^%if/ ) {
$i++;
} elsif ( /^%endif/ ) {
$i--;
last unless $i;
}
}
} elsif ( /^$brm$/o ) {
my $name = $1;
push @buf, $_;
if ( $add lt $name ) {
push @out, "# AUTO: $msg\n";
push @out, "BuildRequires:\t$add\n";
$add = undef;
}
push @out, @buf;
@buf = ();
} elsif ( /^\s*$/ or /^\s*#/ ) {
push @buf, $_;
} else {
push @buf, $_;
push @out, "# AUTO: $msg\n";
push @out, "BuildRequires:\t$add\n";
last;
}
last unless $add;
}
push @out, @buf;
push @out, @in;
open FILE, ">", $file;
print FILE @out;
close FILE;
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