4 # .../badcommit-fixup --test
5 # .../badcommit-fixup --real
13 die unless "@ARGV" eq "--test" or "@ARGV" eq "--real";
15 my ($modeopt) = @ARGV;
16 my $real = ($modeopt eq '--real');
18 my $gcfpid = open2 \*GCFO, \*GCFI, 'git cat-file --batch' or die $!;
22 no warnings qw(recursion);
25 my ($obj, $type) = @_;
26 print GCFI $obj, "\n" or die $!;
28 my ($gtype, $gsize) = $x =~ m/^\w+ (\w+) (\d+)\n/ or die "$obj ?";
29 $gtype eq $type or die "$obj $gtype != $type ?";
31 (read GCFO, $gdata, $gsize) == $gsize or die "$obj $!";
32 #print STDERR ">$obj|$x|$gdata|$gsize<\n";
34 $x eq "\n" or die "$obj ($_) $!";
40 my ($data,$type) = @_;
41 my $gwopid = open2 \*GWO, \*GWI,
42 "git hash-object -w -t $type --stdin"
44 print GWI $data or die $!;
48 waitpid $gwopid,0 == $gwopid or die $!;
50 m/^(\w+)\n/ or die "$_ ?";
51 $count{"rewritten $type"}++;
57 sub rewrite_commit ($);
58 sub rewrite_commit ($) {
60 my $m = \ $memo{$obj};
61 return $$m if defined $$m;
62 my $olddata = getobj $obj, 'commit';
63 $olddata =~ m/(?<=\n)(?=\n)/ or die "$obj ?";
66 s{^(parent )(\w+)$}{ $1 . rewrite_commit($2) }gme;
67 $count{'fix overwrite'} += s{^commiter }{committer }gm;
68 if (!m{^author }m && !m{^committer }m) {
69 m{^parent (\w+)}m or die "$obj ?";
70 my $parent = getobj $1, 'commit';
71 $parent =~ m/^(?:.+\n)+(author .*\ncommitter .*\n)/;
72 m/\n$/ or die "$obj ?";
74 $count{'fix import'}++;
76 my $newdata = $_.$msg;
78 if ($newdata eq $olddata) {
82 $newobj = hashobj $newdata, 'commit';
90 $_ = getobj $obj, 'tag';
91 m/^type (\w+)\n/m or die "$obj ?";
93 $count{"oddtags $1"}++;
96 m/^object (\w+)\n/m or die "$obj ?";
98 my $newref = rewrite_commit $oldref;
99 if ($oldref eq $newref) {
102 s/^(object )\w+$/ $1.$newref /me or die "$obj ($_) ?";
103 s/^-----BEGIN PGP SIGNATURE-----\n.*^-----END PGP SIGNATURE-----\n$//sm;
104 return hashobj $_, 'tag';
108 my $refs=`git for-each-ref`;
115 foreach my $rline (split /\n/, $refs) {
116 my ($obj, $type, $refname) =
117 $rline =~ m/^(\w+)\s+(\w+)\s+(\S.*)/
120 if ($type eq 'commit') {
121 $rewrite = rewrite_commit($obj);
122 } elsif ($type eq 'tag') {
123 $rewrite = rewrite_tag($obj);
125 warn "ref $refname refers to $type\n";
128 next if $rewrite eq $obj;
129 push @updates, [ $refname, $obj, $rewrite ];
132 open U, "|git update-ref -m 'dgit bad commit fixup' --stdin" or die $!;
135 print "detaching your HEAD\n" or die $!;
136 system 'git checkout --detach' and die "$! $?";
139 for my $up (@updates) {
140 my ($ref, $old, $new) = @$up;
142 $otherref =~ s{^refs/}{};
144 print U <<END or die $!;
145 create refs/dgit-badcommit/$otherref $old
146 update $ref $new $old
149 print U <<END or die $!;
150 update refs/dgit-badfixuptest/$otherref $new
156 close U or die "$? $!";
159 print Dumper(\%count);
162 print "old values saved in refs/dgit-badcommit/\n" or die $!;
164 print "testing output saved in refs/dgit-badfixuptest/\n" or die $!;