13 our ($VERSION, @ISA, @EXPORT, @EXPORT_OK, %EXPORT_TAGS);
17 @EXPORT = qw(debiantag server_branch server_ref
18 stat_exists git_for_each_ref
19 $package_re $component_re $branchprefix
20 initdebug enabledebug printdebug debugcmd
21 $debugprefix *debuglevel *DEBUG
23 %EXPORT_TAGS = ( policyflags => [qw(NOFFCHECK FRESHREPO)] );
24 @EXPORT_OK = @{ $EXPORT_TAGS{policyflags} };
29 our $package_re = '[0-9a-z][-+.0-9a-z]*';
30 our $component_re = '[0-9a-zA-Z][-+.0-9a-zA-Z]*';
31 our $branchprefix = 'dgit';
33 # policy hook exit status bits
34 # see dgit-repos-server head comment for documentation
35 # 1 is reserved in case something fails with `exit 1'
36 sub NOFFCHECK () { return 0x2; }
37 sub FRESHREPO () { return 0x4; }
46 sub server_branch ($) { return "$branchprefix/$_[0]"; }
47 sub server_ref ($) { return "refs/".server_branch($_[0]); }
52 return 0 if $!==&ENOENT;
56 sub git_for_each_ref ($$) {
57 my ($pattern,$func) = @_;
58 # calls $func->($objid,$objtype,$fullrefname,$reftail);
59 # $reftail is RHS of ref after refs/\w+/
60 # breaks if $pattern matches any ref `refs/blah' where blah has no `/'
61 my $fh = new IO::File "-|", qw(git for-each-ref), $pattern or die $!;
63 m#^(\w+)\s+(\w+)\s+(refs/\w+/(\S+))\s# or die "$_ ?";
66 $!=0; $?=0; close $fh or die "$pattern $? $!";
69 sub git_for_each_tag_referring ($$) {
70 my ($objreferring, $func) = @_;
71 # calls $func->($objid,$fullrefname,$tagname);
72 git_for_each_ref('refs/tags', sub {
73 my ($objid,$objtype,$fullrefname,$tagname) = @_;
74 next unless $objtype eq 'tag';
75 next if defined $objreferring and $objid ne $objreferring;
76 $func->($objid,$fullrefname,$tagname);
85 open DEBUG, ">/dev/null" or die $!;
89 open DEBUG, ">&STDERR" or die $!;
95 print DEBUG $debugprefix, @_ or die $! if $debuglevel>0;
103 if (m{[^-=_./0-9a-z]}i) {
110 return join ' ', @out;
115 my $intro = shift @_;
116 print $fh $intro," " or die $!;
117 print $fh shellquote @_ or die $!;
118 print $fh "\n" or die $!;
122 my $extraprefix = shift @_;
123 printcmd(\*DEBUG,$debugprefix.$extraprefix,@_) if $debuglevel>0;