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#
package Debian::Dgit;
use strict;
use warnings;
BEGIN {
use Exporter ();
our ($VERSION, @ISA, @EXPORT, @EXPORT_OK, %EXPORT_TAGS);
$VERSION = 1.00;
@ISA = qw(Exporter);
@EXPORT = qw(debiantag server_branch server_ref
stat_exists git_for_each_ref
$package_re $branchprefix);
%EXPORT_TAGS = ( policyflags => qw() );
@EXPORT_OK = qw();
}
our @EXPORT_OK;
our $package_re = '[0-9a-z][-+.0-9a-z]*';
our $branchprefix = 'dgit';
# policy hook exit status bits
# any unexpected bits mean failure, and then known set bits are ignored
sub NOFFCHECK () { return 2; }
# suppress dgit-repos-server's ff check ("push" only)
sub FRESHREPO () { return 4; }
# blow away repo right away (ie, as if before push or fetch)
# ("check-package" and "push" only)
sub debiantag ($) {
my ($v) = @_;
$v =~ y/~:/_%/;
return "debian/$v";
}
sub server_branch ($) { return "$branchprefix/$_[0]"; }
sub server_ref ($) { return "refs/".server_branch($_[0]); }
sub stat_exists ($) {
my ($f) = @_;
return 1 if stat $f;
return 0 if $!==&ENOENT;
die "stat $f: $!";
}
sub git_for_each_ref ($$) {
my ($pattern,$func) = @_;
# calls $func->($objid,$objtype,$fullrefname,$reftail);
# $reftail is RHS of ref after refs/\w+/
# breaks if $pattern matches any ref `refs/blah' where blah has no `/'
my $fh = new IO::File, "-|", qw(git for-each-ref), $pattern or die $!;
while (<$fh>) {
m#^(\w+)\s+(\w+)\s+(refs/\w+/(\S+))\s# or die "$_ ?";
$func->($1,$2,$3,$4);
}
$!=0; $?=0; close $fh or die "$pattern $? $!";
}
sub git_for_each_tag_referring ($$) {
my ($objreferring, $func) = @_;
# calls $func->($objid,$fullrefname,$tagname);
git_for_each_ref('refs/tags', sub {
my ($objid,$objtype,$fullrefname,$tagname) = @_;
next unless $objtype eq 'tag';
next if defined $objreferring and $objid ne $objreferring;
$func->($objid,$fullrefname,$tagname);
});
}
1;
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