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|
#!/usr/bin/perl -w
#
# Find dependencies on perl stuff
# Remove .packlist files
BEGIN { push @INC, "debian", "/usr/share/debhelper" }
use Dh_Lib;
init();
my $ext = '';
my $lib_dir = 'usr/lib/perl5';
# Figure out the version of perl. If $ENV{PERL} is set, query the perl binary
# it points to, otherwise query perl directly.
my $version=sprintf("%.3f", $]);
if (defined $ENV{PERL}) {
$version=`$ENV{PERL} -e 'printf "%.3f", \$]'`;
}
# Cleaning the paths given on the command line
foreach (@ARGV) {
s#/$##;
s#^/##;
}
# If -d is given, then we'll try to depend on one of the perl-5.00X-base
# package instead of perl-5.00X
$ext='-base' if ($dh{'D_FLAG'});
foreach $PACKAGE (@{$dh{DOPACKAGES}}) {
$TMP=tmpdir($PACKAGE);
$EXT=pkgext($PACKAGE);
my ($file, $v, $arch);
my $dep_arch = '';
my $dep = '';
my $found = 0;
# Check also for alternate locations given on the command line
my $dirs = '';
foreach ($lib_dir, @ARGV) {
$dirs .= "$TMP/$_ " if (-d "$TMP/$_");
}
my $re = '(?:' . join('|', ($lib_dir, @ARGV)) . ')';
# Look for perl modules and check where they are installed
if ($dirs) {
foreach $file (split(/\n/,`find $dirs -type f \\( -name "*.pm" -or -name "*.so" \\)`)) {
$found++;
if ($file =~ m<^$TMP/$re/(\d\.\d{3})/([^/]+)/>) {
$v = $1;
$arch = $2;
check_module_version ($v, $version);
$v .= '-thread' if ($arch =~ /-thread/);
$dep_arch = add_deps ($dep_arch, "perl-$v");
} elsif ($file =~ m<^$TMP/$re/(\d.\d{3})/>) {
$v = $1;
check_module_version ($v, $version);
$dep_arch = add_deps ($dep_arch, "perl-$v");
}
}
}
if ($found and not $dep_arch) {
$dep = "perl5$ext";
} elsif ($dep_arch) {
$dep = $dep_arch;
}
# Look for perl scripts
my ($ff, $newdep);
foreach $file (split(/\n/,`find $TMP -type f \\( -name "*.pl" -or -perm +111 \\)`)) {
$ff=`file -b $file`;
if ($ff =~ /perl/) {
$newdep = dep_from_script ($file);
$dep = add_deps ($dep, $newdep) if $newdep;
}
}
# Remove .packlist files and eventually some empty directories
if (not $dh{'K_FLAG'}) {
foreach $file (split(/\n/,`find $TMP -type f -name .packlist`))
{
unlink($file);
# Get the directory name
while ($file =~ s#/[^/]+$##){
last if (not -d $file);
last if (not rmdir $file);
}
}
}
next unless $dep;
if (-e "debian/$EXT\substvars") {
open (IN, "<debian/$EXT\substvars");
my @lines=grep { ! /^perl:Depends=/ } <IN>;
close IN;
open (OUT, ">debian/$EXT\substvars");
print OUT @lines;
} else {
open (OUT, ">debian/$EXT\substvars");
}
print OUT "perl:Depends=$dep\n";
close OUT;
}
sub add_deps {
my ($dep, $new) = @_;
# If the $new-base package can exist then add $ext to $new
$new = "$new$ext" if ($new =~ m/^(?:perl5|perl-\d\.\d{3})$/);
# If $new = perl5 or perl5-thread check if perl-X.XXX(-thread)?
# is not already in the dependencies
if ($new eq "perl5") {
return $dep if ($dep =~ m/(^|\s)perl-5\.\d{3}(\s|,|$)/);
} elsif ($new eq "perl5-thread") {
return $dep if ($dep =~ m/(^|\s)perl-5\.\d{3}-thread(\s|,|$)/);
}
if (not $dep) {
$dep = $new;
} else {
$dep .= ", $new" unless ($dep =~ m/(^|\s)$new(\s|,|$)/);
}
return $dep;
}
sub check_module_version {
my ($v1, $v2) = @_;
unless ($v1 eq $v2) {
warning("A module has been found in perl-$v1 arch directory. But perl-$v2 is the perl currently used ...\n");
}
}
sub dep_from_script {
my $file = shift;
my ($line, $perl, $dep);
open (SCRIPT, "<$file") || die "Can't open $file: $!\n";
$line = <SCRIPT>;
close (SCRIPT);
if ($line =~ m<^#!\s*/usr/bin/(perl\S*)(?:\s+|$)>) {
$perl = $1;
if ($perl eq "perl") {
$dep = "perl5";
} elsif ($perl eq "perl-thread") {
$dep = "perl5-thread";
} elsif ($perl =~ m/^perl-\d\.\d{3}(?:-thread)?$/) {
$dep = $perl;
} elsif ($perl =~ m/^perl(\d\.\d{3})(\d\d)$/) {
# Should never happen but ...
$dep = "perl-$1 (=$1.$2)";
}
}
return $dep;
}
|
