git-debrebase: break out dd (nfc)

[dgit.git] / git-debrebase

diff --git a/git-debrebase b/git-debrebase
index d32c5f30a643baaed39df5f27ad8814573e7cfdd..e8dfbf99dad4e747490b2a304f66124ed8fce96e 100755 (executable)
--- a/git-debrebase
+++ b/git-debrebase
@@ -137,6 +137,13 @@ sub cfg ($) {
 
 memoize('cfg');
 
+sub dd ($) {
+    my ($v) = @_;
+    my $dd = new Data::Dumper [ $v ];
+    Terse $dd 1; Indent $dd 0; Useqq $dd 1;
+    return Dump $dd;
+}
+
 sub get_commit ($) {
     my ($objid) = @_;
     my $data = git_cat_file $objid, 'commit';
@@ -354,9 +361,7 @@ sub classify ($) {
        my ($type, @rest) = @_;
        $r = { %$r, Type => $type, @rest };
        if ($debuglevel) {
-           my $dd = new Data::Dumper [ $r ];
-           Terse $dd 1; Indent $dd 0; Useqq $dd 1;
-           printdebug " = $type ".(Dump $dd)."\n";
+           printdebug " = $type ".(dd $r)."\n";
        }
        return $r;
     };
@@ -456,8 +461,8 @@ sub classify ($) {
        if (@p == 2 &&
            !$haspatches &&
            !$p[$prevbrw]{IsOrigin} && # breakwater never starts with an origin
-           !($p[$prevbrw]{Differs} & ~DS_DEB) &&
-           !($p[!$prevbrw]{Differs} & ~D_UPS)) {
+           !($p[!$prevbrw]{Differs} & ~DS_DEB) && # no non-debian changess
+           !($p[$prevbrw]{Differs} & ~D_UPS)) { # no non-upstream changes
            return $classify->(qw(BreakwaterUpstreamMerge),
                               OrigParents => [ $p[!$prevbrw] ]);
        }
@@ -476,6 +481,8 @@ sub walk ($;$$) {
     # => ($tip, $breakwater_tip, $last_upstream_merge_in_breakwater)
     # (or nothing, if $nogenerate)
 
+    printdebug "*** WALK $input ".($nogenerate//0)." ".($report//'-')."\n";
+
     # go through commits backwards
     # we generate two lists of commits to apply:
     # breakwater branch and upstream patches
@@ -590,6 +597,7 @@ sub walk ($;$$) {
                printf $report " PM=%s \@Overwr:%d", $pm, (scalar @$ovwrs)
                    if $report;
                if (@$ovwrs != 1) {
+                    printdebug "*** WALK BOMB DgitImportUnpatched\n";
                    return $bomb->();
                }
                my $ovwr = $ovwrs->[0]{CommitId};
@@ -642,10 +650,15 @@ sub walk ($;$$) {
            }
            die "$ty ?";
         } else {
+            printdebug "*** WALK BOMB unrecognised\n";
            return $bomb->();
        }
     }
     $prprdelim->();
+
+    printdebug "*** WALK prep done cur=$cur".
+        " brw $#brw_cl upp $#upp_cl proc $#processed pm $#pseudomerges\n";
+
     return if $nogenerate;
 
     # Now we build it back up again
@@ -744,7 +757,9 @@ sub walk ($;$$) {
     die sprintf "internal error %#x %s %s", $final_check, $build, $input
        if $final_check & ~D_PAT_ADD;
 
-    return ($build, $breakwater, $last_upstream_update);
+    my @r = ($build, $breakwater, $last_upstream_update);
+    printdebug "*** WALK RETURN @r\n";
+    return @r
 }
 
 sub get_head () { return git_rev_parse qw(HEAD); }