dgit-repos-policy-debian: WIP bugfixes to debugging

[dgit.git] / Debian / Dgit.pm

diff --git a/Debian/Dgit.pm b/Debian/Dgit.pm
index e09d12f6411978f75eeb2c81d5d7d70508e0baef..f68ebd228366676e97e4921bcffd6446bf6345c9 100644 (file)
--- a/Debian/Dgit.pm
+++ b/Debian/Dgit.pm
@@ -17,8 +17,9 @@ BEGIN {
     @EXPORT      = qw(debiantag server_branch server_ref
                       stat_exists git_for_each_ref
                       $package_re $component_re $branchprefix
-                      initdebug enabledebug printdebug debugcmd
-                      $debugprefix $debuglevel
+                      initdebug enabledebug enabledebuglevel
+                      printdebug debugcmd
+                      $debugprefix *debuglevel *DEBUG
                       shellquote printcmd);
     %EXPORT_TAGS = ( policyflags => [qw(NOFFCHECK FRESHREPO)] );
     @EXPORT_OK   = @{ $EXPORT_TAGS{policyflags} };
@@ -82,17 +83,23 @@ our $debuglevel = 0;
 
 sub initdebug ($) { 
     ($debugprefix) = @_;
-    open ::DEBUG, ">/dev/null" or die $!;
+    open DEBUG, ">/dev/null" or die $!;
 }
 
 sub enabledebug () {
-    open ::DEBUG, ">&STDERR" or die $!;
-    ::DEBUG->autoflush(1);
+    open DEBUG, ">&STDERR" or die $!;
+    DEBUG->autoflush(1);
     $debuglevel ||= 1;
 }
     
+sub enabledebuglevel ($) {
+    die if $debuglevel;
+    $debuglevel = $_[0] + 0;
+    enabledebug();
+}
+    
 sub printdebug {
-    print ::DEBUG $debugprefix, @_ or die $! if $debuglevel>0;
+    print DEBUG $debugprefix, @_ or die $! if $debuglevel>0;
 }
 
 sub shellquote {
@@ -100,7 +107,7 @@ sub shellquote {
     local $_;
     foreach my $a (@_) {
        $_ = $a;
-       if (m{[^-=_./0-9a-z]}i) {
+       if (!length || m{[^-=_./0-9a-z]}i) {
            s{['\\]}{'\\$&'}g;
            push @out, "'$_'";
        } else {
@@ -120,7 +127,7 @@ sub printcmd {
 
 sub debugcmd {
     my $extraprefix = shift @_;
-    printcmd(\*::DEBUG,$debugprefix.$extraprefix,@_) if $debuglevel>0;
+    printcmd(\*DEBUG,$debugprefix.$extraprefix,@_) if $debuglevel>0;
 }
 
 1;