X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=dgit.git;a=blobdiff_plain;f=Debian%2FDgit.pm;h=34e40a3b0ab684327533e868de48e95f7d4d241e;hp=05e4c0c85178f490ad3de9c33b4d0f60cdf3107a;hb=892352e386b2908574d660df3ee778171f59995b;hpb=666278d3724ee2f7b3f75272a9735c5bb4176575

diff --git a/Debian/Dgit.pm b/Debian/Dgit.pm
index 05e4c0c8..34e40a3b 100644
--- a/Debian/Dgit.pm
+++ b/Debian/Dgit.pm
@@ -43,6 +43,7 @@ BEGIN {
 		      dep14_version_mangle
                       debiantags debiantag_old debiantag_new
 		      debiantag_maintview
+		      upstreamversion
 		      stripepoch source_file_leafname is_orig_file_of_p_v
 		      server_branch server_ref
                       stat_exists link_ltarget
@@ -65,6 +66,7 @@ BEGIN {
 		      $ffq_refprefix $gdrlast_refprefix
                       initdebug enabledebug enabledebuglevel
                       printdebug debugcmd
+                      $printdebug_when_debuglevel $debugcmd_when_debuglevel
                       $debugprefix *debuglevel *DEBUG
                       shellquote printcmd messagequote
                       $negate_harmful_gitattrs
@@ -99,6 +101,8 @@ our $orig_f_tail_re = "$orig_f_comp_re\\.tar(?:\\.\\w+)?(?:$orig_f_sig_re)?";
 our $git_null_obj = '0' x 40;
 our $ffq_refprefix = 'ffq-prev';
 our $gdrlast_refprefix = 'debrebase-last';
+our $printdebug_when_debuglevel = 1;
+our $debugcmd_when_debuglevel = 1;
 
 # policy hook exit status bits
 # see dgit-repos-server head comment for documentation
@@ -155,7 +159,21 @@ sub enabledebuglevel ($) {
 }
     
 sub printdebug {
-    print DEBUG $debugprefix, @_ or die $! if $debuglevel>0;
+    # Prints a prefix, and @_, to DEBUG.  @_ should normally contain
+    # a trailing \n.
+
+    # With no (or only empty) arguments just prints the prefix and
+    # leaves the caller to do more with DEBUG.  The caller should make
+    # sure then to call printdebug with something ending in "\n" to
+    # get the prefix right in subsequent calls.
+
+    return unless $debuglevel >= $printdebug_when_debuglevel;
+    our $printdebug_noprefix;
+    print DEBUG $debugprefix unless $printdebug_noprefix;
+    pop @_ while @_ and !length $_[-1];
+    return unless @_;
+    print DEBUG @_ or die $!;
+    $printdebug_noprefix = $_[-1] !~ m{\n$};
 }
 
 sub messagequote ($) {
@@ -194,7 +212,8 @@ sub printcmd {
 
 sub debugcmd {
     my $extraprefix = shift @_;
-    printcmd(\*DEBUG,$debugprefix.$extraprefix,@_) if $debuglevel>0;
+    printcmd(\*DEBUG,$debugprefix.$extraprefix,@_)
+	if $debuglevel >= $debugcmd_when_debuglevel;
 }
 
 sub dep14_version_mangle ($) {
@@ -231,13 +250,19 @@ sub stripepoch ($) {
     return $vsn;
 }
 
+sub upstreamversion ($) {
+    my ($vsn) = @_;
+    $vsn =~ s/-[^-]+$//;
+    return $vsn;
+}
+
 sub source_file_leafname ($$$) {
     my ($package,$vsn,$sfx) = @_;
     return "${package}_".(stripepoch $vsn).$sfx
 }
 
 sub is_orig_file_of_p_v ($$$) {
-    my ($package, $f, $upstreamvsn) = @_;
+    my ($f, $package, $upstreamvsn) = @_;
     my $base = source_file_leafname $package, $upstreamvsn, '';
     return 0 unless $f =~ m/^\Q$base\E\.$orig_f_tail_re$/;
     return 1;
@@ -355,6 +380,7 @@ sub shell_cmd {
 
 sub cmdoutput_errok {
     confess Dumper(\@_)." ?" if grep { !defined } @_;
+    local $printdebug_when_debuglevel = $debugcmd_when_debuglevel;
     debugcmd "|",@_;
     open P, "-|", @_ or die "$_[0] $!";
     my $d;
@@ -407,6 +433,7 @@ sub git_cat_file ($;$) {
     # in scalar context, just the data
     # if $etype defined, dies unless type is $etype or in @$etype
     our ($gcf_pid, $gcf_i, $gcf_o);
+    local $printdebug_when_debuglevel = $debugcmd_when_debuglevel;
     my $chk = sub {
 	my ($gtype, $data) = @_;
 	if ($etype) {