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#!/usr/bin/perl
# convert end of line patterns from DOS to UNIX
use strict;
use warnings;
use File::Find;
use File::Temp;
use File::Slurp;
use List::MoreUtils qw(none);
my $string_pattern = qr/
^
([^"]*)
\$?
"
(
(?:
\\. # an escaped character
| # or
[^\\"] # anything but a backslash or a quote
)*
)
"
([^>|\[\]]*|.*\|\|.*)
$
/x;
my $echo_pattern = qr/
^
(.*)
echo
\s+
(-[en]+)?
/x;
my $initfunc_pattern = qr/
(
.*
(?:action|success|failure|passed)
\s*
.*
)
/x;
my $var_pattern = qr/
(?<!\\) # don't catch escaped variables
(
(?:
\$[a-zA-Z0-9_]+ # simple variable name
|
\$\{ # protected variable name
[a-zA-Z0-9_]+
(?:[#%]{1,2}[^\}]+)? # with optional expansion pattern
\}
)
)
/x;
main(@ARGV) unless caller();
sub main {
my $buildroot = $ENV{RPM_BUILD_ROOT};
die "No build root defined" unless $buildroot;
die "Invalid build root" unless -d $buildroot;
# normalize build root
$buildroot =~ s|/$||;
my $exclude_pattern = $ENV{EXCLUDE_FROM_GPRINTIFICATION} ?
qr/$ENV{EXCLUDE_FROM_GPRINTIFICATION}/ : undef;
my $initrddir1 = "$buildroot/etc/rc.d/init.d";
my $initrddir2 = "$buildroot/etc/init.d";
foreach my $file (<$initrddir1/*>, <$initrddir2/*>) {
# skip everything but files
next unless -f $file;
# skip excluded files
next if $exclude_pattern && $file =~ $exclude_pattern;
my @lines = read_file($file);
# skip scripts not sourcing /etc/init.d/functions
next if none { m{\s* \. \s+ /etc/(rc.d/)?init.d/functions}x } @lines;
# convert lines
@lines = map { process_line($_) } @lines;
# rewrite script
open(my $out, '>', $file) or die "Unable to open file $file: $!";
print $out @lines;
close($out);
}
}
sub process_line {
my ($line) = @_;
if ($line =~ /$string_pattern/) {
my $start = $1;
my $string = $2;
my $end = $3;
my ($new_start, $string_end) = process_start($start);
return $line if !$new_start;
my ($new_string, $variables) = process_string($string);
chomp $end;
my $final = $new_start . $new_string . $string_end . $variables;
if ($end =~ /$string_pattern/) {
my $start2 = $1;
my $string2 = $2;
my $end2 = $2;
my ($new_start2, $string_end2) = process_start($start2);
return $final . $end . "\n"
if !$new_start2;
my ($new_string2, $variables2) = process_string($string2);
my $final2 = $new_start2 . $new_string2 . $string_end2 . $variables2;
return $final . $final2 . "\n";
} else {
return $final . $end . "\n";
}
} else {
return $line;
}
}
sub process_start {
my ($start) = @_;
if ($start =~ /$echo_pattern/) {
my $before = $1;
my $option = $2;
my $new_start = $before . 'gprintf "';
my $string_end = ($option && $option eq '-n') ? '"' : '\\n"';
return ($new_start, $string_end);
}
if ($start =~ /$initfunc_pattern/) {
return ($1 . '"', '"');
}
return ();
}
sub process_string {
my ($string) = @_;
my $variables = '';
while ($string =~ m/$var_pattern/g) {
$variables .= ' "' . $1 . '"';
}
$string =~ s/$var_pattern/\%s/g;
return ($string, $variables);
}
1;
|
