11 our @ISA = qw(Exporter);
13 our @EXPORT_OK = qw(mailgroup dynamic_socket exim_binary flavour flavours);
18 use List::Util qw'shuffle';
22 Exim::Runtest - helper functions for the runtest script
27 my $foo = Exim::Runtest::foo('foo');
31 The B<Exim::Runtest> module provides some simple functions
32 for the F<runtest> script. No functions are exported yet.
37 my $group = shift // croak "Need a default group name.";
39 croak "Need a group *name*, not a numeric group id."
42 return $group if getgrnam $group;
45 setgrent or die "setgrent: $!\n";
46 push @groups, $_ while defined($_ = getgrent);
48 return (shuffle @groups)[0];
53 for (my $port = 1024; $port < 65000; $port++) {
54 $socket = IO::Socket::INET->new(
55 LocalHost => '127.0.0.1',
61 croak 'Can not allocate a free port.';
66 # two simple cases, absolute path or relative path and executable
68 return @_ if $_[0] =~ /^\//;
69 return Cwd::abs_path(shift), @_ if -x $_[0];
72 # so we're still here, if the simple approach didn't help.
74 # if there is '../exim-snapshot/<build-dir>/exim', use this
75 # if there is '../exim4/<build-dir>/exim', use this
76 # if there is '../exim-*.*/<build-dir>/exim', use the one with the highest version
77 # 4.84 < 4.85RC1 < 4.85RC2 < 4.85 < 4.86RC1 < … < 4.86
78 # if there is '../src/<build-dir>', use this
81 my $prefix = '..'; # was intended for testing.
83 # get a list of directories having the "scripts/{os,arch}-type"
85 my @candidates = grep { -x "$_/scripts/os-type" and -x "$_/scripts/arch-type" }
86 "$prefix/exim-snapshot", "$prefix/exim4", # highest priority
87 (reverse sort { # list of exim-*.* directories
88 # split version number from RC number
89 my @a = ($a =~ /(\d+\.\d+)(?:RC(\d+))?/);
90 my @b = ($b =~ /(\d+\.\d+)(?:RC(\d+))?/);
91 # if the versions are not equal, we're fine,
92 # but otherwise we've to compare the RC number, where an
93 # empty RC number is better than a non-empty
94 ($a[0] cmp $b[0]) || (defined $a[1] ? defined $b[1] ? $a[1] cmp $b[1] : -1 : 1)
95 } glob "$prefix/exim-*.*"),
96 "$prefix/src"; # the "normal" source
98 # binaries should be found now depending on the os-type and
99 # arch-type in the directories we got above
100 my @binaries = grep { -x }
101 map { ("$_/exim", "$_/exim4") }
103 my $os = `$_/scripts/os-type`;
104 my $arch = `$_/scripts/arch-type`;
106 ($ENV{build} ? "$_/build-$ENV{build}" : ()),
107 "$_/build-$os-$arch" . ($ENV{EXIM_BUILD_SUFFIX} ? ".$ENV{EXIM_BUILD_SUFFIX}" : '');
110 return $binaries[0], @_;
117 croak "do not pass a directory, it's for testing only"
118 unless $ENV{HARNESS_ACTIVE};
122 if (open(my $f, '<', "$etc/os-release")) {
123 local $_ = join '', <$f>;
124 my ($id) = /^ID="?(.*?)"?\s*$/m;
125 my $version = /^VERSION_ID="?(.*?)"?\s*$/m ? $1 : '';
126 return "$id$version";
129 if (open(my $f, '<', "$etc/debian_version")) {
130 chomp(local $_ = <$f>);
139 my %h = map { /\.(\S+)$/, 1 }
140 glob('stdout/*.*'), glob('stderr/*.*');
152 =item B<mailgroup>(I<$default>)
154 Check if the mailgroup I<$default> exists. Return the checked
155 group name or some other random but existing group.
157 =item B<dynamic_socket>()
159 Return a dynamically allocated listener socket in the range
160 between 1024 and 65534;
162 =item ($binary, @argv) = B<exim_binary>(I<@argv>)
164 Find the Exim binary. Consider the first element of I<@argv>
165 and remove it from I<@argv>, if it is an executable binary.
166 Otherwise search the binary (while honouring C<EXIM_BUILD_SUFFIX>,
167 C<../scripts/os-type> and C<../os-arch>) and return the
168 the path to the binary and the unmodified I<@argv>.
172 Find a hint for the current flavour (Linux distro). It does so by checking
173 typical files in the F</etc> directory.
177 Return a list of available flavours. It does so by scanning F<stdout/> and
178 F<stderr/> for I<flavour> files (extensions after the numerical prefix.