# format from-file/to-file diff header
sub format_diff_from_to_header {
- my ($from_line, $to_line, $diffinfo, $from, $to) = @_;
+ my ($from_line, $to_line, $diffinfo, $from, $to, @parents) = @_;
my $line;
my $result = '';
$line = $from_line;
#assert($line =~ m/^---/) if DEBUG;
- # no extra formatting "^--- /dev/null"
- if ($line =~ m!^--- "?a/!) {
- if (!$diffinfo->{'nparents'} && # multiple 'from'
- $from->{'href'}) {
- $line = '--- a/' .
- $cgi->a({-href=>$from->{'href'}, -class=>"path"},
- esc_path($from->{'file'}));
- } else {
- $line = '--- a/' .
- esc_path($from->{'file'});
+ # no extra formatting for "^--- /dev/null"
+ if (! $diffinfo->{'nparents'}) {
+ # ordinary (single parent) diff
+ if ($line =~ m!^--- "?a/!) {
+ if ($from->{'href'}) {
+ $line = '--- a/' .
+ $cgi->a({-href=>$from->{'href'}, -class=>"path"},
+ esc_path($from->{'file'}));
+ } else {
+ $line = '--- a/' .
+ esc_path($from->{'file'});
+ }
+ }
+ $result .= qq!<div class="diff from_file">$line</div>\n!;
+
+ } else {
+ # combined diff (merge commit)
+ for (my $i = 0; $i < $diffinfo->{'nparents'}; $i++) {
+ if ($from->{'href'}[$i]) {
+ $line = '--- ' .
+ $cgi->a({-href=>href(action=>"blobdiff",
+ hash_parent=>$diffinfo->{'from_id'}[$i],
+ hash_parent_base=>$parents[$i],
+ file_parent=>$from->{'file'}[$i],
+ hash=>$diffinfo->{'to_id'},
+ hash_base=>$hash,
+ file_name=>$to->{'file'}),
+ -class=>"path",
+ -title=>"diff" . ($i+1)},
+ $i+1) .
+ '/' .
+ $cgi->a({-href=>$from->{'href'}[$i], -class=>"path"},
+ esc_path($from->{'file'}[$i]));
+ } else {
+ $line = '--- /dev/null';
+ }
+ $result .= qq!<div class="diff from_file">$line</div>\n!;
}
}
- $result .= qq!<div class="diff from_file">$line</div>\n!;
$line = $to_line;
#assert($line =~ m/^\+\+\+/) if DEBUG;
return $result;
}
+# create note for patch simplified by combined diff
+sub format_diff_cc_simplified {
+ my ($diffinfo, @parents) = @_;
+ my $result = '';
+
+ $result .= "<div class=\"diff header\">" .
+ "diff --cc ";
+ if (!is_deleted($diffinfo)) {
+ $result .= $cgi->a({-href => href(action=>"blob",
+ hash_base=>$hash,
+ hash=>$diffinfo->{'to_id'},
+ file_name=>$diffinfo->{'to_file'}),
+ -class => "path"},
+ esc_path($diffinfo->{'to_file'}));
+ } else {
+ $result .= esc_path($diffinfo->{'to_file'});
+ }
+ $result .= "</div>\n" . # class="diff header"
+ "<div class=\"diff nodifferences\">" .
+ "Simple merge" .
+ "</div>\n"; # class="diff nodifferences"
+
+ return $result;
+}
+
# format patch (diff) line (not to be used for diff headers)
sub format_diff_line {
my $line = shift;
# advance raw git-diff output if needed
$patch_idx++ if defined $diffinfo;
- # read and prepare patch information
- if (ref($difftree->[$patch_idx]) eq "HASH") {
- # pre-parsed (or generated by hand)
- $diffinfo = $difftree->[$patch_idx];
- } else {
- $diffinfo = parse_difftree_raw_line($difftree->[$patch_idx]);
+ # compact combined diff output can have some patches skipped
+ # find which patch (using pathname of result) we are at now
+ my $to_name;
+ if ($diff_header[0] =~ m!^diff --cc "?(.*)"?$!) {
+ $to_name = $1;
}
+
+ do {
+ # read and prepare patch information
+ if (ref($difftree->[$patch_idx]) eq "HASH") {
+ # pre-parsed (or generated by hand)
+ $diffinfo = $difftree->[$patch_idx];
+ } else {
+ $diffinfo = parse_difftree_raw_line($difftree->[$patch_idx]);
+ }
+
+ # check if current raw line has no patch (it got simplified)
+ if (defined $to_name && $to_name ne $diffinfo->{'to_file'}) {
+ print "<div class=\"patch\" id=\"patch". ($patch_idx+1) ."\">\n" .
+ format_diff_cc_simplified($diffinfo, @hash_parents) .
+ "</div>\n"; # class="patch"
+
+ $patch_idx++;
+ $patch_number++;
+ }
+ } until (!defined $to_name || $to_name eq $diffinfo->{'to_file'} ||
+ $patch_idx > $#$difftree);
# modifies %from, %to hashes
parse_from_to_diffinfo($diffinfo, \%from, \%to, @hash_parents);
if ($diffinfo->{'nparents'}) {
#assert($patch_line =~ m/^\+\+\+/) if DEBUG;
print format_diff_from_to_header($last_patch_line, $patch_line,
- $diffinfo, \%from, \%to);
+ $diffinfo, \%from, \%to,
+ @hash_parents);
# the patch itself
LINE:
print "</div>\n"; # class="patch"
}
+ # for compact combined (--cc) format, with chunk and patch simpliciaction
+ # patchset might be empty, but there might be unprocessed raw lines
+ for ($patch_idx++ if $patch_number > 0;
+ $patch_idx < @$difftree;
+ $patch_idx++) {
+ # read and prepare patch information
+ if (ref($difftree->[$patch_idx]) eq "HASH") {
+ # pre-parsed (or generated by hand)
+ $diffinfo = $difftree->[$patch_idx];
+ } else {
+ $diffinfo = parse_difftree_raw_line($difftree->[$patch_idx]);
+ }
+
+ # generate anchor for "patch" links in difftree / whatchanged part
+ print "<div class=\"patch\" id=\"patch". ($patch_idx+1) ."\">\n" .
+ format_diff_cc_simplified($diffinfo, @hash_parents) .
+ "</div>\n"; # class="patch"
+
+ $patch_number++;
+ }
+
if ($patch_number == 0) {
if (@hash_parents > 1) {
print "<div class=\"diff nodifferences\">Trivial merge</div>\n";
die_error(undef, "Unknown commit object");
}
- # we need to prepare $formats_nav before any parameter munging
+ # choose format for commitdiff for merge
+ if (! defined $hash_parent && @{$co{'parents'}} > 1) {
+ $hash_parent = '--cc';
+ }
+ # we need to prepare $formats_nav before almost any parameter munging
my $formats_nav;
if ($format eq 'html') {
$formats_nav =
hash=>$hash, hash_parent=>$hash_parent)},
"raw");
- if (defined $hash_parent) {
+ if (defined $hash_parent &&
+ $hash_parent ne '-c' && $hash_parent ne '--cc') {
# commitdiff with two commits given
my $hash_parent_short = $hash_parent;
if ($hash_parent =~ m/^[0-9a-fA-F]{40}$/) {
')';
} else {
# merge commit
+ if ($hash_parent eq '--cc') {
+ $formats_nav .= ' | ' .
+ $cgi->a({-href => href(action=>"commitdiff",
+ hash=>$hash, hash_parent=>'-c')},
+ 'combined');
+ } else { # $hash_parent eq '-c'
+ $formats_nav .= ' | ' .
+ $cgi->a({-href => href(action=>"commitdiff",
+ hash=>$hash, hash_parent=>'--cc')},
+ 'compact');
+ }
$formats_nav .=
' (merge: ' .
join(' ', map {
}
my $hash_parent_param = $hash_parent;
- if (!defined $hash_parent) {
+ if (!defined $hash_parent_param) {
+ # --cc for multiple parents, --root for parentless
$hash_parent_param =
- @{$co{'parents'}} > 1 ? '-c' : $co{'parent'} || '--root';
+ @{$co{'parents'}} > 1 ? '--cc' : $co{'parent'} || '--root';
}
# read commitdiff
# write patch
if ($format eq 'html') {
- git_difftree_body(\@difftree, $hash, $hash_parent || @{$co{'parents'}});
+ my $use_parents = !defined $hash_parent ||
+ $hash_parent eq '-c' || $hash_parent eq '--cc';
+ git_difftree_body(\@difftree, $hash,
+ $use_parents ? @{$co{'parents'}} : $hash_parent);
print "<br/>\n";
- git_patchset_body($fd, \@difftree, $hash, $hash_parent || @{$co{'parents'}});
+ git_patchset_body($fd, \@difftree, $hash,
+ $use_parents ? @{$co{'parents'}} : $hash_parent);
close $fd;
print "</div>\n"; # class="page_body"
git_footer_html();