New approach to replay prevention - WIP

[dgit.git] / Debian / Dgit.pm

diff --git a/Debian/Dgit.pm b/Debian/Dgit.pm
index a270cd80836f1206d1033cb5441816dc9cd9f09c..32c2bc5673cad88ac87f1e569fa2a0518a5cf443 100644 (file)
--- a/Debian/Dgit.pm
+++ b/Debian/Dgit.pm
@@ -18,7 +18,7 @@ BEGIN {
     @EXPORT      = qw(debiantag server_branch server_ref
                       stat_exists fail ensuredir waitstatusmsg failedcmd
                       cmdoutput cmdoutput_errok
-                      git_rev_parse git_for_each_ref
+                      git_rev_parse git_get_ref git_for_each_ref
                       git_for_each_tag_referring is_fast_fwd
                       $package_re $component_re $deliberately_re
                       $branchprefix
@@ -205,6 +205,14 @@ sub git_for_each_ref ($$) {
     $!=0; $?=0; close GFER or die "$pattern $? $!";
 }
 
+sub git_get_ref ($) {
+    # => '' if no such ref
+    my ($refname) = @_;
+    my $_ = $refname;
+    s{^refs/}{[r]efs/} or die "$refname $_ ?";
+    return cmdoutput qw(git for-each-ref --format=%(objectname)), $_;
+}
+
 sub git_for_each_tag_referring ($$) {
     my ($objreferring, $func) = @_;
     # calls $func->($tagobjid,$refobjid,$fullrefname,$tagname);