use warnings;
use POSIX;
+use IO::Handle;
BEGIN {
use Exporter ();
@ISA = qw(Exporter);
@EXPORT = qw(debiantag server_branch server_ref
stat_exists git_for_each_ref
- $package_re $component_re $branchprefix);
+ $package_re $component_re $branchprefix
+ initdebug enabledebug enabledebuglevel
+ printdebug debugcmd
+ $debugprefix *debuglevel *DEBUG
+ shellquote printcmd);
%EXPORT_TAGS = ( policyflags => [qw(NOFFCHECK FRESHREPO)] );
@EXPORT_OK = @{ $EXPORT_TAGS{policyflags} };
}
# policy hook exit status bits
# see dgit-repos-server head comment for documentation
# 1 is reserved in case something fails with `exit 1'
-sub NOFFCHECK () { return 2; }
-sub FRESHREPO () { return 4; }
-# 128 is reserved
+sub NOFFCHECK () { return 0x2; }
+sub FRESHREPO () { return 0x4; }
+# 0x80 is reserved
sub debiantag ($) {
my ($v) = @_;
# calls $func->($objid,$objtype,$fullrefname,$reftail);
# $reftail is RHS of ref after refs/\w+/
# breaks if $pattern matches any ref `refs/blah' where blah has no `/'
- my $fh = new IO::File "-|", qw(git for-each-ref), $pattern or die $!;
- while (<$fh>) {
+ open GFER, "-|", qw(git for-each-ref), $pattern or die $!;
+ while (<GFER>) {
m#^(\w+)\s+(\w+)\s+(refs/\w+/(\S+))\s# or die "$_ ?";
$func->($1,$2,$3,$4);
}
- $!=0; $?=0; close $fh or die "$pattern $? $!";
+ $!=0; $?=0; close GFER or die "$pattern $? $!";
}
sub git_for_each_tag_referring ($$) {
});
}
+our $debugprefix;
+our $debuglevel = 0;
+
+sub initdebug ($) {
+ ($debugprefix) = @_;
+ open DEBUG, ">/dev/null" or die $!;
+}
+
+sub enabledebug () {
+ open DEBUG, ">&STDERR" or die $!;
+ DEBUG->autoflush(1);
+ $debuglevel ||= 1;
+}
+
+sub enabledebuglevel ($) {
+ my ($newlevel) = @_; # may be undef (eg from env var)
+ die if $debuglevel;
+ $newlevel //= 0;
+ $newlevel += 0;
+ return unless $newlevel;
+ $debuglevel = $newlevel;
+ enabledebug();
+}
+
+sub printdebug {
+ print DEBUG $debugprefix, @_ or die $! if $debuglevel>0;
+}
+
+sub shellquote {
+ my @out;
+ local $_;
+ foreach my $a (@_) {
+ $_ = $a;
+ if (!length || m{[^-=_./0-9a-z]}i) {
+ s{['\\]}{'\\$&'}g;
+ push @out, "'$_'";
+ } else {
+ push @out, $_;
+ }
+ }
+ return join ' ', @out;
+}
+
+sub printcmd {
+ my $fh = shift @_;
+ my $intro = shift @_;
+ print $fh $intro," " or die $!;
+ print $fh shellquote @_ or die $!;
+ print $fh "\n" or die $!;
+}
+
+sub debugcmd {
+ my $extraprefix = shift @_;
+ printcmd(\*DEBUG,$debugprefix.$extraprefix,@_) if $debuglevel>0;
+}
+
1;