You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
135 lines
2.7 KiB
135 lines
2.7 KiB
#!/usr/bin/env perl
|
|
use strict;
|
|
|
|
my $error;
|
|
my %state;
|
|
|
|
sub usage() {
|
|
die <<EOF;
|
|
Usage: $0 <file> <command> [<arguments>]
|
|
|
|
Commands:
|
|
add-hash <variable> <value>
|
|
fix-hash <variable> <value>
|
|
rename-var <variable> <name>
|
|
|
|
EOF
|
|
}
|
|
|
|
sub set_var($) {
|
|
my $var = shift;
|
|
|
|
$state{var} = $var;
|
|
if ($var =~ /(.*):(.*)/) {
|
|
$state{template} = $1;
|
|
$state{var} = $2;
|
|
$state{related_var} = "URL";
|
|
} else {
|
|
$state{context} = 1;
|
|
$state{related_var} = "PKG_SOURCE_URL";
|
|
}
|
|
}
|
|
|
|
my %check_command = (
|
|
"add-hash" => sub {
|
|
set_var($ARGV[0]);
|
|
|
|
$state{value} = $ARGV[1];
|
|
length($ARGV[1]) == 64 or die "Invalid hash value\n";
|
|
},
|
|
"fix-hash" => sub {
|
|
set_var($ARGV[0]);
|
|
|
|
$state{value} = $ARGV[1];
|
|
$state{prev_value} = $ARGV[2];
|
|
|
|
length($ARGV[1]) == 64 or die "Invalid hash value\n";
|
|
},
|
|
"rename-var" => sub {
|
|
set_var($ARGV[0]);
|
|
$state{new_var} = $ARGV[1];
|
|
$state{new_var} =~ s/.*://g;
|
|
},
|
|
);
|
|
|
|
sub check_context($) {
|
|
my $line = shift;
|
|
return unless $state{template};
|
|
|
|
$state{next} and do {
|
|
$state{context} = 1;
|
|
undef $state{next};
|
|
return;
|
|
};
|
|
|
|
if (not $state{context}) {
|
|
$line =~ /^\s*define\s+$state{template}/ and $state{next} = 1;
|
|
} else {
|
|
$line =~ /^\s*endef/ and do {
|
|
$state{done} = 1;
|
|
undef $state{context};
|
|
}
|
|
}
|
|
}
|
|
|
|
my %commands = (
|
|
"add-hash" => sub {
|
|
my $line = shift;
|
|
check_context($line);
|
|
return $line unless $state{context};
|
|
|
|
# skip existing hash variable
|
|
return "" if $line =~ /^(\s*)$state{var}(\s*):?=(\s*)(.*)\n/;
|
|
|
|
# insert md5sum after related variable
|
|
return $line unless $line =~ /^(\s*)$state{related_var}(\s*):?=(\s*)(.*)\n/;
|
|
return "$line$1$state{var}$2:=$3$state{value}\n";
|
|
},
|
|
"fix-hash" => sub {
|
|
my $line = shift;
|
|
check_context($line);
|
|
return $line unless $state{context};
|
|
return $line unless $line =~ /^(\s*)$state{var}(\s*):?=(\s*)(.*)$state{prev_value}(.*)\n/;
|
|
$state{done} = 1;
|
|
$4 =~ /\$/ and do {
|
|
warn "$state{var} contains a reference to another variable, can't fix automatically\n";
|
|
return $line;
|
|
};
|
|
return "$1$state{var}$2:=$3$state{value}\n";
|
|
},
|
|
"rename-var" => sub {
|
|
my $line = shift;
|
|
check_context($line);
|
|
return $line unless $state{context};
|
|
return $line unless $line =~ /^(\s*)$state{var}(\s*:?=.*)\n/;
|
|
return "$1$state{new_var}$2\n";
|
|
},
|
|
);
|
|
|
|
my $file = shift @ARGV;
|
|
my $command = shift @ARGV;
|
|
|
|
($file and $command and $check_command{$command}) or usage;
|
|
&{$check_command{$command}}();
|
|
|
|
-f $file or die "File $file not found\n";
|
|
|
|
open IN, "<${file}" or die "Cannot open input file\n";
|
|
open OUT, ">${file}.new" or die "Cannot open output file\n";
|
|
|
|
my $cmd = $commands{$command};
|
|
while (my $line = <IN>) {
|
|
$line = &$cmd($line) unless $state{done};
|
|
print OUT $line;
|
|
last if $error;
|
|
}
|
|
|
|
close OUT;
|
|
close IN;
|
|
|
|
$error and do {
|
|
unlink "${file}.new";
|
|
exit 1;
|
|
};
|
|
|
|
rename "${file}.new", "$file";
|
|
|