$VERSION = 1.00;
@ISA = qw(Exporter);
- @EXPORT = qw(debiantag server_branch server_ref
- stat_exists fail ensuredir waitstatusmsg failedcmd
+ @EXPORT = qw(setup_sigwarn
+ debiantag server_branch server_ref
+ stat_exists fail ensuredir executable_on_path
+ waitstatusmsg failedcmd
cmdoutput cmdoutput_errok
git_rev_parse git_get_ref git_for_each_ref
git_for_each_tag_referring is_fast_fwd
initdebug enabledebug enabledebuglevel
printdebug debugcmd
$debugprefix *debuglevel *DEBUG
- shellquote printcmd);
+ shellquote printcmd messagequote);
# implicitly uses $main::us
%EXPORT_TAGS = ( policyflags => [qw(NOFFCHECK FRESHREPO)] );
@EXPORT_OK = @{ $EXPORT_TAGS{policyflags} };
our $debugprefix;
our $debuglevel = 0;
+sub setup_sigwarn () {
+ our $sigwarn_mainprocess = $$;
+ $SIG{__WARN__} = sub {
+ die $_[0] unless getppid == $sigwarn_mainprocess;
+ };
+}
+
sub initdebug ($) {
($debugprefix) = @_;
open DEBUG, ">/dev/null" or die $!;
print DEBUG $debugprefix, @_ or die $! if $debuglevel>0;
}
+sub messagequote ($) {
+ local ($_) = @_;
+ s{\\}{\\\\}g;
+ s{\n}{\\n}g;
+ s{\x08}{\\b}g;
+ s{\t}{\\t}g;
+ s{[\000-\037\177]}{ sprintf "\\x%02x", ord $& }ge;
+ $_;
+}
+
sub shellquote {
my @out;
local $_;
foreach my $a (@_) {
$_ = $a;
- if (!length || m{[^-=_./0-9a-z]}i) {
+ if (!length || m{[^-=_./:0-9a-z]}i) {
s{['\\]}{'\\$&'}g;
push @out, "'$_'";
} else {
die "mkdir $dir: $!";
}
+sub executable_on_path ($) {
+ my ($program) = @_;
+ return 1 if $program =~ m{/};
+ my @path = split /:/, ($ENV{PATH} // "/usr/local/bin:/bin:/usr/bin");
+ foreach my $pe (@path) {
+ my $here = "$pe/$program";
+ return $here if stat_exists $here && -x _;
+ }
+ return undef;
+}
+
our @signames = split / /, $Config{sig_name};
sub waitstatusmsg () {
sub cmdoutput_errok {
die Dumper(\@_)." ?" if grep { !defined } @_;
debugcmd "|",@_;
- open P, "-|", @_ or die $!;
+ open P, "-|", @_ or die "$_[0] $!";
my $d;
$!=0; $?=0;
{ local $/ = undef; $d = <P>; }
die $! if P->error;
if (!close P) { printdebug "=>!$?\n"; return undef; }
chomp $d;
- $d =~ m/^.*/;
- printdebug "=> \`$&'",(length $' ? '...' : ''),"\n" if $debuglevel>0; #';
+ if ($debuglevel > 0) {
+ $d =~ m/^.*/;
+ my $dd = $&;
+ my $more = (length $' ? '...' : ''); #');
+ $dd =~ s{[^\n -~]|\\}{ sprintf "\\x%02x", ord $& }ge;
+ printdebug "=> \`$dd'",$more,"\n";
+ }
return $d;
}