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#!/usr/bin/perl
use strict;
use warnings;
use autodie;
# my $mirrors = 'https://mirrors.tuna.tsinghua.edu.cn/centos-stream';
my $mirrors = 'https://mirrors.aliyun.com/centos-stream';
# my $mirrors = 'https://mirrors.aliyun.com/rockylinux';
if (@ARGV < 1) {
die "Usage: $0 <filename1> <filename2> ...\n";
}
my $filename = "/etc/yum.repos.d/centos.repo";
my $keyword = "baseurl";
open(my $fh, '<', $filename) or die "Can not open '$filename' $!";
my $found = 0;
while (my $row = <$fh>) {
chomp $row;
if (index($row, $keyword) != -1) {
$found = 1;
last;
}
}
close($fh);
if ($found) {
print "Find the keyword '$keyword' in '$filename'.\n";
} else {
while (my $filename = shift @ARGV) {
my $backup_filename = $filename . '.bak';
rename $filename, $backup_filename;
open my $input, "<", $backup_filename;
open my $output, ">", $filename;
while (<$input>) {
s/^metalink/# metalink/;
if (m/^name/) {
my (undef, $repo, $arch) = split /-/;
$repo =~ s/^\s+|\s+$//g;
($arch = defined $arch ? lc($arch) : '') =~ s/^\s+|\s+$//g;
if ($repo =~ /^Extras/) {
$_ .= "baseurl=${mirrors}/SIGs/\$releasever-stream/extras" . ($arch eq 'source' ? "/${arch}/" : "/\$basearch/") . "extras-common\n";
} else {
$_ .= "baseurl=${mirrors}/\$releasever-stream/$repo" . ($arch eq 'source' ? "/" : "/\$basearch/") . ($arch ne '' ? "${arch}/tree/" : "os") . "\n";
}
}
print $output $_;
}
}
}
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