X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=dgit.git;a=blobdiff_plain;f=Debian%2FDgit.pm;h=49cc073391392dbeabf44fb3848200928ccb79ba;hp=3f2988e4b3599f08b4b9e54fa5b2170c53d96723;hb=aed6363944c70f718835f908ce97ecd5b309e998;hpb=7684f83e49bdc4d883e682abd922a7722cf996c4;ds=sidebyside

diff --git a/Debian/Dgit.pm b/Debian/Dgit.pm
index 3f2988e4..49cc0733 100644
--- a/Debian/Dgit.pm
+++ b/Debian/Dgit.pm
@@ -36,10 +36,15 @@ our $branchprefix = 'dgit';
 
 # policy hook exit status bits
 # see dgit-repos-server head comment for documentation
-# 1 is reserved in case something fails with `exit 1'
+# 1 is reserved in case something fails with `exit 1' and to spot
+# dynamic loader, runtime, etc., failures, which report 127 or 255
 sub NOFFCHECK () { return 0x2; }
 sub FRESHREPO () { return 0x4; }
-# 0x80 is reserved
+
+sub printdebug;
+sub shellquote;
+sub printcmd;
+sub debugcmd;
 
 sub debiantag ($) { 
     my ($v) = @_;
@@ -62,9 +67,13 @@ sub git_for_each_ref ($$) {
     # calls $func->($objid,$objtype,$fullrefname,$reftail);
     # $reftail is RHS of ref after refs/\w+/
     # breaks if $pattern matches any ref `refs/blah' where blah has no `/'
-    open GFER, "-|", qw(git for-each-ref), $pattern or die $!;
+    my @cmd = (qw(git for-each-ref), $pattern);
+    open GFER, "-|", @cmd or die $!;
+    debugcmd "|", @cmd;
     while (<GFER>) {
-	m#^(\w+)\s+(\w+)\s+(refs/\w+/(\S+))\s# or die "$_ ?";
+	chomp or die "$_ ?";
+	printdebug "|> ", $_, "\n";
+	m#^(\w+)\s+(\w+)\s+(refs/\w+/(\S+))$# or die "$_ ?";
 	$func->($1,$2,$3,$4);
     }
     $!=0; $?=0; close GFER or die "$pattern $? $!";
@@ -73,6 +82,8 @@ sub git_for_each_ref ($$) {
 sub git_for_each_tag_referring ($$) {
     my ($objreferring, $func) = @_;
     # calls $func->($objid,$fullrefname,$tagname);
+    printdebug "git_for_each_tag_referring ",
+        ($objreferring // 'UNDEF'),"\n";
     git_for_each_ref('refs/tags', sub {
 	my ($objid,$objtype,$fullrefname,$tagname) = @_;
 	next unless $objtype eq 'tag';