Merge branch 'jn/gitweb'

* jn/gitweb:
  gitweb: Show combined diff for merge commits in 'commit' view
  gitweb: Show combined diff for merge commits in 'commitdiff' view
  gitweb: Make it possible to use pre-parsed info in git_difftree_body
  gitweb: Add combined diff support to git_patchset_body
  gitweb: Add combined diff support to git_difftree_body
  gitweb: Add parsing of raw combined diff format to parse_difftree_raw_line
maint
Junio C Hamano 2007-05-09 00:23:41 -07:00
commit a626166854
2 changed files with 394 additions and 103 deletions

View File

@ -181,6 +181,23 @@ table.diff_tree {
font-family: monospace;
}

table.combined.diff_tree td {
padding-right: 24px;
}

table.combined.diff_tree td.link {
padding: 0px 2px;
}

table.combined.diff_tree td.nochange a {
color: #6666ff;
}

table.combined.diff_tree td.nochange a:hover,
table.combined.diff_tree td.nochange a:visited {
color: #d06666;
}

table.blame {
border-collapse: collapse;
}

View File

@ -897,19 +897,34 @@ sub format_subject_html {
sub format_diff_line {
my $line = shift;
my ($from, $to) = @_;
my $char = substr($line, 0, 1);
my $diff_class = "";

chomp $line;

if ($char eq '+') {
$diff_class = " add";
} elsif ($char eq "-") {
$diff_class = " rem";
} elsif ($char eq "@") {
$diff_class = " chunk_header";
} elsif ($char eq "\\") {
$diff_class = " incomplete";
if ($from && $to && ref($from->{'href'}) eq "ARRAY") {
# combined diff
my $prefix = substr($line, 0, scalar @{$from->{'href'}});
if ($line =~ m/^\@{3}/) {
$diff_class = " chunk_header";
} elsif ($line =~ m/^\\/) {
$diff_class = " incomplete";
} elsif ($prefix =~ tr/+/+/) {
$diff_class = " add";
} elsif ($prefix =~ tr/-/-/) {
$diff_class = " rem";
}
} else {
# assume ordinary diff
my $char = substr($line, 0, 1);
if ($char eq '+') {
$diff_class = " add";
} elsif ($char eq '-') {
$diff_class = " rem";
} elsif ($char eq '@') {
$diff_class = " chunk_header";
} elsif ($char eq "\\") {
$diff_class = " incomplete";
}
}
$line = untabify($line);
if ($from && $to && $line =~ m/^\@{2} /) {
@ -930,6 +945,39 @@ sub format_diff_line {
$line = "<span class=\"chunk_info\">@@ $from_text $to_text @@</span>" .
"<span class=\"section\">" . esc_html($section, -nbsp=>1) . "</span>";
return "<div class=\"diff$diff_class\">$line</div>\n";
} elsif ($from && $to && $line =~ m/^\@{3}/) {
my ($prefix, $ranges, $section) = $line =~ m/^(\@+) (.*?) \@+(.*)$/;
my (@from_text, @from_start, @from_nlines, $to_text, $to_start, $to_nlines);

@from_text = split(' ', $ranges);
for (my $i = 0; $i < @from_text; ++$i) {
($from_start[$i], $from_nlines[$i]) =
(split(',', substr($from_text[$i], 1)), 0);
}

$to_text = pop @from_text;
$to_start = pop @from_start;
$to_nlines = pop @from_nlines;

$line = "<span class=\"chunk_info\">$prefix ";
for (my $i = 0; $i < @from_text; ++$i) {
if ($from->{'href'}[$i]) {
$line .= $cgi->a({-href=>"$from->{'href'}[$i]#l$from_start[$i]",
-class=>"list"}, $from_text[$i]);
} else {
$line .= $from_text[$i];
}
$line .= " ";
}
if ($to->{'href'}) {
$line .= $cgi->a({-href=>"$to->{'href'}#l$to_start",
-class=>"list"}, $to_text);
} else {
$line .= $to_text;
}
$line .= " $prefix</span>" .
"<span class=\"section\">" . esc_html($section, -nbsp=>1) . "</span>";
return "<div class=\"diff$diff_class\">$line</div>\n";
}
return "<div class=\"diff$diff_class\">" . esc_html($line, -nbsp=>1) . "</div>\n";
}
@ -1015,6 +1063,30 @@ sub git_get_hash_by_path {
return $3;
}

# get path of entry with given hash at given tree-ish (ref)
# used to get 'from' filename for combined diff (merge commit) for renames
sub git_get_path_by_hash {
my $base = shift || return;
my $hash = shift || return;

local $/ = "\0";

open my $fd, "-|", git_cmd(), "ls-tree", '-r', '-t', '-z', $base
or return undef;
while (my $line = <$fd>) {
chomp $line;

#'040000 tree 595596a6a9117ddba9fe379b6b012b558bac8423 gitweb'
#'100644 blob e02e90f0429be0d2a69b76571101f20b8f75530f gitweb/README'
if ($line =~ m/(?:[0-9]+) (?:.+) $hash\t(.+)$/) {
close $fd;
return $1;
}
}
close $fd;
return undef;
}

## ......................................................................
## git utility functions, directly accessing git repository

@ -1495,6 +1567,17 @@ sub parse_difftree_raw_line {
$res{'file'} = unquote($7);
}
}
# '::100755 100755 100755 60e79ca1b01bc8b057abe17ddab484699a7f5fdb 94067cc5f73388f33722d52ae02f44692bc07490 94067cc5f73388f33722d52ae02f44692bc07490 MR git-gui/git-gui.sh'
# combined diff (for merge commit)
elsif ($line =~ s/^(::+)((?:[0-7]{6} )+)((?:[0-9a-fA-F]{40} )+)([a-zA-Z]+)\t(.*)$//) {
$res{'nparents'} = length($1);
$res{'from_mode'} = [ split(' ', $2) ];
$res{'to_mode'} = pop @{$res{'from_mode'}};
$res{'from_id'} = [ split(' ', $3) ];
$res{'to_id'} = pop @{$res{'from_id'}};
$res{'status'} = [ split('', $4) ];
$res{'to_file'} = unquote($5);
}
# 'c512b523472485aef4fff9e57b229d9d243c967f'
elsif ($line =~ m/^([0-9a-fA-F]{40})$/) {
$res{'commit'} = $1;
@ -2198,8 +2281,42 @@ sub git_print_tree_entry {
## ......................................................................
## functions printing large fragments of HTML

sub fill_from_file_info {
my ($diff, @parents) = @_;

$diff->{'from_file'} = [ ];
$diff->{'from_file'}[$diff->{'nparents'} - 1] = undef;
for (my $i = 0; $i < $diff->{'nparents'}; $i++) {
if ($diff->{'status'}[$i] eq 'R' ||
$diff->{'status'}[$i] eq 'C') {
$diff->{'from_file'}[$i] =
git_get_path_by_hash($parents[$i], $diff->{'from_id'}[$i]);
}
}

return $diff;
}

# parameters can be strings, or references to arrays of strings
sub from_ids_eq {
my ($a, $b) = @_;

if (ref($a) eq "ARRAY" && ref($b) eq "ARRAY" && @$a == @$b) {
for (my $i = 0; $i < @$a; ++$i) {
return 0 unless ($a->[$i] eq $b->[$i]);
}
return 1;
} elsif (!ref($a) && !ref($b)) {
return $a eq $b;
} else {
return 0;
}
}


sub git_difftree_body {
my ($difftree, $hash, $parent) = @_;
my ($difftree, $hash, @parents) = @_;
my ($parent) = $parents[0];
my ($have_blame) = gitweb_check_feature('blame');
print "<div class=\"list_head\">\n";
if ($#{$difftree} > 10) {
@ -2207,11 +2324,19 @@ sub git_difftree_body {
}
print "</div>\n";

print "<table class=\"diff_tree\">\n";
print "<table class=\"" .
(@parents > 1 ? "combined " : "") .
"diff_tree\">\n";
my $alternate = 1;
my $patchno = 0;
foreach my $line (@{$difftree}) {
my %diff = parse_difftree_raw_line($line);
my $diff;
if (ref($line) eq "HASH") {
# pre-parsed (or generated by hand)
$diff = $line;
} else {
$diff = parse_difftree_raw_line($line);
}

if ($alternate) {
print "<tr class=\"dark\">\n";
@ -2220,31 +2345,120 @@ sub git_difftree_body {
}
$alternate ^= 1;

if (exists $diff->{'nparents'}) { # combined diff

fill_from_file_info($diff, @parents)
unless exists $diff->{'from_file'};

if ($diff->{'to_id'} ne ('0' x 40)) {
# file exists in the result (child) commit
print "<td>" .
$cgi->a({-href => href(action=>"blob", hash=>$diff->{'to_id'},
file_name=>$diff->{'to_file'},
hash_base=>$hash),
-class => "list"}, esc_path($diff->{'to_file'})) .
"</td>\n";
} else {
print "<td>" .
esc_path($diff->{'to_file'}) .
"</td>\n";
}

if ($action eq 'commitdiff') {
# link to patch
$patchno++;
print "<td class=\"link\">" .
$cgi->a({-href => "#patch$patchno"}, "patch") .
" | " .
"</td>\n";
}

my $has_history = 0;
my $not_deleted = 0;
for (my $i = 0; $i < $diff->{'nparents'}; $i++) {
my $hash_parent = $parents[$i];
my $from_hash = $diff->{'from_id'}[$i];
my $from_path = $diff->{'from_file'}[$i];
my $status = $diff->{'status'}[$i];

$has_history ||= ($status ne 'A');
$not_deleted ||= ($status ne 'D');

if ($status eq 'A') {
print "<td class=\"link\" align=\"right\"> | </td>\n";
} elsif ($status eq 'D') {
print "<td class=\"link\">" .
$cgi->a({-href => href(action=>"blob",
hash_base=>$hash,
hash=>$from_hash,
file_name=>$from_path)},
"blob" . ($i+1)) .
" | </td>\n";
} else {
if ($diff->{'to_id'} eq $from_hash) {
print "<td class=\"link nochange\">";
} else {
print "<td class=\"link\">";
}
print $cgi->a({-href => href(action=>"blobdiff",
hash=>$diff->{'to_id'},
hash_parent=>$from_hash,
hash_base=>$hash,
hash_parent_base=>$hash_parent,
file_name=>$diff->{'to_file'},
file_parent=>$from_path)},
"diff" . ($i+1)) .
" | </td>\n";
}
}

print "<td class=\"link\">";
if ($not_deleted) {
print $cgi->a({-href => href(action=>"blob",
hash=>$diff->{'to_id'},
file_name=>$diff->{'to_file'},
hash_base=>$hash)},
"blob");
print " | " if ($has_history);
}
if ($has_history) {
print $cgi->a({-href => href(action=>"history",
file_name=>$diff->{'to_file'},
hash_base=>$hash)},
"history");
}
print "</td>\n";

print "</tr>\n";
next; # instead of 'else' clause, to avoid extra indent
}
# else ordinary diff

my ($to_mode_oct, $to_mode_str, $to_file_type);
my ($from_mode_oct, $from_mode_str, $from_file_type);
if ($diff{'to_mode'} ne ('0' x 6)) {
$to_mode_oct = oct $diff{'to_mode'};
if ($diff->{'to_mode'} ne ('0' x 6)) {
$to_mode_oct = oct $diff->{'to_mode'};
if (S_ISREG($to_mode_oct)) { # only for regular file
$to_mode_str = sprintf("%04o", $to_mode_oct & 0777); # permission bits
}
$to_file_type = file_type($diff{'to_mode'});
$to_file_type = file_type($diff->{'to_mode'});
}
if ($diff{'from_mode'} ne ('0' x 6)) {
$from_mode_oct = oct $diff{'from_mode'};
if ($diff->{'from_mode'} ne ('0' x 6)) {
$from_mode_oct = oct $diff->{'from_mode'};
if (S_ISREG($to_mode_oct)) { # only for regular file
$from_mode_str = sprintf("%04o", $from_mode_oct & 0777); # permission bits
}
$from_file_type = file_type($diff{'from_mode'});
$from_file_type = file_type($diff->{'from_mode'});
}

if ($diff{'status'} eq "A") { # created
if ($diff->{'status'} eq "A") { # created
my $mode_chng = "<span class=\"file_status new\">[new $to_file_type";
$mode_chng .= " with mode: $to_mode_str" if $to_mode_str;
$mode_chng .= "]</span>";
print "<td>";
print $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
hash_base=>$hash, file_name=>$diff{'file'}),
-class => "list"}, esc_path($diff{'file'}));
print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'to_id'},
hash_base=>$hash, file_name=>$diff->{'file'}),
-class => "list"}, esc_path($diff->{'file'}));
print "</td>\n";
print "<td>$mode_chng</td>\n";
print "<td class=\"link\">";
@ -2254,17 +2468,17 @@ sub git_difftree_body {
print $cgi->a({-href => "#patch$patchno"}, "patch");
print " | ";
}
print $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
hash_base=>$hash, file_name=>$diff{'file'})},
print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'to_id'},
hash_base=>$hash, file_name=>$diff->{'file'})},
"blob");
print "</td>\n";

} elsif ($diff{'status'} eq "D") { # deleted
} elsif ($diff->{'status'} eq "D") { # deleted
my $mode_chng = "<span class=\"file_status deleted\">[deleted $from_file_type]</span>";
print "<td>";
print $cgi->a({-href => href(action=>"blob", hash=>$diff{'from_id'},
hash_base=>$parent, file_name=>$diff{'file'}),
-class => "list"}, esc_path($diff{'file'}));
print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'from_id'},
hash_base=>$parent, file_name=>$diff->{'file'}),
-class => "list"}, esc_path($diff->{'file'}));
print "</td>\n";
print "<td>$mode_chng</td>\n";
print "<td class=\"link\">";
@ -2274,22 +2488,22 @@ sub git_difftree_body {
print $cgi->a({-href => "#patch$patchno"}, "patch");
print " | ";
}
print $cgi->a({-href => href(action=>"blob", hash=>$diff{'from_id'},
hash_base=>$parent, file_name=>$diff{'file'})},
print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'from_id'},
hash_base=>$parent, file_name=>$diff->{'file'})},
"blob") . " | ";
if ($have_blame) {
print $cgi->a({-href => href(action=>"blame", hash_base=>$parent,
file_name=>$diff{'file'})},
file_name=>$diff->{'file'})},
"blame") . " | ";
}
print $cgi->a({-href => href(action=>"history", hash_base=>$parent,
file_name=>$diff{'file'})},
file_name=>$diff->{'file'})},
"history");
print "</td>\n";

} elsif ($diff{'status'} eq "M" || $diff{'status'} eq "T") { # modified, or type changed
} elsif ($diff->{'status'} eq "M" || $diff->{'status'} eq "T") { # modified, or type changed
my $mode_chnge = "";
if ($diff{'from_mode'} != $diff{'to_mode'}) {
if ($diff->{'from_mode'} != $diff->{'to_mode'}) {
$mode_chnge = "<span class=\"file_status mode_chnge\">[changed";
if ($from_file_type ne $to_file_type) {
$mode_chnge .= " from $from_file_type to $to_file_type";
@ -2304,9 +2518,9 @@ sub git_difftree_body {
$mode_chnge .= "]</span>\n";
}
print "<td>";
print $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
hash_base=>$hash, file_name=>$diff{'file'}),
-class => "list"}, esc_path($diff{'file'}));
print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'to_id'},
hash_base=>$hash, file_name=>$diff->{'file'}),
-class => "list"}, esc_path($diff->{'file'}));
print "</td>\n";
print "<td>$mode_chnge</td>\n";
print "<td class=\"link\">";
@ -2315,70 +2529,70 @@ sub git_difftree_body {
$patchno++;
print $cgi->a({-href => "#patch$patchno"}, "patch") .
" | ";
} elsif ($diff{'to_id'} ne $diff{'from_id'}) {
} elsif ($diff->{'to_id'} ne $diff->{'from_id'}) {
# "commit" view and modified file (not onlu mode changed)
print $cgi->a({-href => href(action=>"blobdiff",
hash=>$diff{'to_id'}, hash_parent=>$diff{'from_id'},
hash=>$diff->{'to_id'}, hash_parent=>$diff->{'from_id'},
hash_base=>$hash, hash_parent_base=>$parent,
file_name=>$diff{'file'})},
file_name=>$diff->{'file'})},
"diff") .
" | ";
}
print $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
hash_base=>$hash, file_name=>$diff{'file'})},
print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'to_id'},
hash_base=>$hash, file_name=>$diff->{'file'})},
"blob") . " | ";
if ($have_blame) {
print $cgi->a({-href => href(action=>"blame", hash_base=>$hash,
file_name=>$diff{'file'})},
file_name=>$diff->{'file'})},
"blame") . " | ";
}
print $cgi->a({-href => href(action=>"history", hash_base=>$hash,
file_name=>$diff{'file'})},
file_name=>$diff->{'file'})},
"history");
print "</td>\n";

} elsif ($diff{'status'} eq "R" || $diff{'status'} eq "C") { # renamed or copied
} elsif ($diff->{'status'} eq "R" || $diff->{'status'} eq "C") { # renamed or copied
my %status_name = ('R' => 'moved', 'C' => 'copied');
my $nstatus = $status_name{$diff{'status'}};
my $nstatus = $status_name{$diff->{'status'}};
my $mode_chng = "";
if ($diff{'from_mode'} != $diff{'to_mode'}) {
if ($diff->{'from_mode'} != $diff->{'to_mode'}) {
# mode also for directories, so we cannot use $to_mode_str
$mode_chng = sprintf(", mode: %04o", $to_mode_oct & 0777);
}
print "<td>" .
$cgi->a({-href => href(action=>"blob", hash_base=>$hash,
hash=>$diff{'to_id'}, file_name=>$diff{'to_file'}),
-class => "list"}, esc_path($diff{'to_file'})) . "</td>\n" .
hash=>$diff->{'to_id'}, file_name=>$diff->{'to_file'}),
-class => "list"}, esc_path($diff->{'to_file'})) . "</td>\n" .
"<td><span class=\"file_status $nstatus\">[$nstatus from " .
$cgi->a({-href => href(action=>"blob", hash_base=>$parent,
hash=>$diff{'from_id'}, file_name=>$diff{'from_file'}),
-class => "list"}, esc_path($diff{'from_file'})) .
" with " . (int $diff{'similarity'}) . "% similarity$mode_chng]</span></td>\n" .
hash=>$diff->{'from_id'}, file_name=>$diff->{'from_file'}),
-class => "list"}, esc_path($diff->{'from_file'})) .
" with " . (int $diff->{'similarity'}) . "% similarity$mode_chng]</span></td>\n" .
"<td class=\"link\">";
if ($action eq 'commitdiff') {
# link to patch
$patchno++;
print $cgi->a({-href => "#patch$patchno"}, "patch") .
" | ";
} elsif ($diff{'to_id'} ne $diff{'from_id'}) {
} elsif ($diff->{'to_id'} ne $diff->{'from_id'}) {
# "commit" view and modified file (not only pure rename or copy)
print $cgi->a({-href => href(action=>"blobdiff",
hash=>$diff{'to_id'}, hash_parent=>$diff{'from_id'},
hash=>$diff->{'to_id'}, hash_parent=>$diff->{'from_id'},
hash_base=>$hash, hash_parent_base=>$parent,
file_name=>$diff{'to_file'}, file_parent=>$diff{'from_file'})},
file_name=>$diff->{'to_file'}, file_parent=>$diff->{'from_file'})},
"diff") .
" | ";
}
print $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
hash_base=>$parent, file_name=>$diff{'to_file'})},
print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'to_id'},
hash_base=>$parent, file_name=>$diff->{'to_file'})},
"blob") . " | ";
if ($have_blame) {
print $cgi->a({-href => href(action=>"blame", hash_base=>$hash,
file_name=>$diff{'to_file'})},
file_name=>$diff->{'to_file'})},
"blame") . " | ";
}
print $cgi->a({-href => href(action=>"history", hash_base=>$hash,
file_name=>$diff{'to_file'})},
file_name=>$diff->{'to_file'})},
"history");
print "</td>\n";

@ -2389,7 +2603,8 @@ sub git_difftree_body {
}

sub git_patchset_body {
my ($fd, $difftree, $hash, $hash_parent) = @_;
my ($fd, $difftree, $hash, @hash_parents) = @_;
my ($hash_parent) = $hash_parents[0];

my $patch_idx = 0;
my $patch_number = 0;
@ -2427,6 +2642,9 @@ sub git_patchset_body {
if ($patch_line =~ m/^index ([0-9a-fA-F]{40})..([0-9a-fA-F]{40})/) {
$from_id = $1;
$to_id = $2;
} elsif ($patch_line =~ m/^index ((?:[0-9a-fA-F]{40},)+[0-9a-fA-F]{40})..([0-9a-fA-F]{40})/) {
$from_id = [ split(',', $1) ];
$to_id = $2;
}

push @diff_header, $patch_line;
@ -2436,8 +2654,8 @@ sub git_patchset_body {
# check if current patch belong to current raw line
# and parse raw git-diff line if needed
if (defined $diffinfo &&
$diffinfo->{'from_id'} eq $from_id &&
$diffinfo->{'to_id'} eq $to_id) {
from_ids_eq($diffinfo->{'from_id'}, $from_id) &&
$diffinfo->{'to_id'} eq $to_id) {
# this is split patch
print "<div class=\"patch cont\">\n";
} else {
@ -2451,15 +2669,34 @@ sub git_patchset_body {
} else {
$diffinfo = parse_difftree_raw_line($difftree->[$patch_idx]);
}
$from{'file'} = $diffinfo->{'from_file'} || $diffinfo->{'file'};
$to{'file'} = $diffinfo->{'to_file'} || $diffinfo->{'file'};
if ($diffinfo->{'status'} ne "A") { # not new (added) file
$from{'href'} = href(action=>"blob", hash_base=>$hash_parent,
hash=>$diffinfo->{'from_id'},
file_name=>$from{'file'});
if ($diffinfo->{'nparents'}) {
# combined diff
$from{'file'} = [];
$from{'href'} = [];
fill_from_file_info($diffinfo, @hash_parents)
unless exists $diffinfo->{'from_file'};
for (my $i = 0; $i < $diffinfo->{'nparents'}; $i++) {
$from{'file'}[$i] = $diffinfo->{'from_file'}[$i] || $diffinfo->{'to_file'};
if ($diffinfo->{'status'}[$i] ne "A") { # not new (added) file
$from{'href'}[$i] = href(action=>"blob",
hash_base=>$hash_parents[$i],
hash=>$diffinfo->{'from_id'}[$i],
file_name=>$from{'file'}[$i]);
} else {
$from{'href'}[$i] = undef;
}
}
} else {
delete $from{'href'};
$from{'file'} = $diffinfo->{'from_file'} || $diffinfo->{'file'};
if ($diffinfo->{'status'} ne "A") { # not new (added) file
$from{'href'} = href(action=>"blob", hash_base=>$hash_parent,
hash=>$diffinfo->{'from_id'},
file_name=>$from{'file'});
} else {
delete $from{'href'};
}
}
$to{'file'} = $diffinfo->{'to_file'} || $diffinfo->{'file'};
if ($diffinfo->{'status'} ne "D") { # not deleted file
$to{'href'} = href(action=>"blob", hash_base=>$hash,
hash=>$diffinfo->{'to_id'},
@ -2474,19 +2711,34 @@ sub git_patchset_body {

# print "git diff" header
$patch_line = shift @diff_header;
$patch_line =~ s!^(diff (.*?) )"?a/.*$!$1!;
if ($from{'href'}) {
$patch_line .= $cgi->a({-href => $from{'href'}, -class => "path"},
'a/' . esc_path($from{'file'}));
} else { # file was added
$patch_line .= 'a/' . esc_path($from{'file'});
}
$patch_line .= ' ';
if ($to{'href'}) {
$patch_line .= $cgi->a({-href => $to{'href'}, -class => "path"},
'b/' . esc_path($to{'file'}));
} else { # file was deleted
$patch_line .= 'b/' . esc_path($to{'file'});
if ($diffinfo->{'nparents'}) {

# combined diff
$patch_line =~ s!^(diff (.*?) )"?.*$!$1!;
if ($to{'href'}) {
$patch_line .= $cgi->a({-href => $to{'href'}, -class => "path"},
esc_path($to{'file'}));
} else { # file was deleted
$patch_line .= esc_path($to{'file'});
}

} else {

$patch_line =~ s!^(diff (.*?) )"?a/.*$!$1!;
if ($from{'href'}) {
$patch_line .= $cgi->a({-href => $from{'href'}, -class => "path"},
'a/' . esc_path($from{'file'}));
} else { # file was added
$patch_line .= 'a/' . esc_path($from{'file'});
}
$patch_line .= ' ';
if ($to{'href'}) {
$patch_line .= $cgi->a({-href => $to{'href'}, -class => "path"},
'b/' . esc_path($to{'file'}));
} else { # file was deleted
$patch_line .= 'b/' . esc_path($to{'file'});
}

}
print "<div class=\"diff header\">$patch_line</div>\n";

@ -2503,14 +2755,37 @@ sub git_patchset_body {
$patch_line .= $cgi->a({-href=>$to{'href'}, -class=>"path"},
esc_path($to{'file'}));
}
# match <mode>
# match single <mode>
if ($patch_line =~ m/\s(\d{6})$/) {
$patch_line .= '<span class="info"> (' .
file_type_long($1) .
')</span>';
}
# match <hash>
if ($patch_line =~ m/^index/) {
if ($patch_line =~ m/^index [0-9a-fA-F]{40},[0-9a-fA-F]{40}/) {
# can match only for combined diff
$patch_line = 'index ';
for (my $i = 0; $i < $diffinfo->{'nparents'}; $i++) {
if ($from{'href'}[$i]) {
$patch_line .= $cgi->a({-href=>$from{'href'}[$i],
-class=>"hash"},
substr($diffinfo->{'from_id'}[$i],0,7));
} else {
$patch_line .= '0' x 7;
}
# separator
$patch_line .= ',' if ($i < $diffinfo->{'nparents'} - 1);
}
$patch_line .= '..';
if ($to{'href'}) {
$patch_line .= $cgi->a({-href=>$to{'href'}, -class=>"hash"},
substr($diffinfo->{'to_id'},0,7));
} else {
$patch_line .= '0' x 7;
}

} elsif ($patch_line =~ m/^index [0-9a-fA-F]{40}..[0-9a-fA-F]{40}/) {
# can match only for ordinary diff
my ($from_link, $to_link);
if ($from{'href'}) {
$from_link = $cgi->a({-href=>$from{'href'}, -class=>"hash"},
@ -2546,7 +2821,8 @@ sub git_patchset_body {
}
next PATCH if ($patch_line =~ m/^diff /);
#assert($patch_line =~ m/^---/) if DEBUG;
if ($from{'href'} && $patch_line =~ m!^--- "?a/!) {
if (!$diffinfo->{'nparents'} && # not from-file line for combined diff
$from{'href'} && $patch_line =~ m!^--- "?a/!) {
$patch_line = '--- a/' .
$cgi->a({-href=>$from{'href'}, -class=>"path"},
esc_path($from{'file'}));
@ -3750,14 +4026,13 @@ sub git_commit {
$parent = "--root";
}
my @difftree;
if (@$parents <= 1) {
# difftree output is not printed for merges
open my $fd, "-|", git_cmd(), "diff-tree", '-r', "--no-commit-id",
@diff_opts, $parent, $hash, "--"
or die_error(undef, "Open git-diff-tree failed");
@difftree = map { chomp; $_ } <$fd>;
close $fd or die_error(undef, "Reading git-diff-tree failed");
}
open my $fd, "-|", git_cmd(), "diff-tree", '-r', "--no-commit-id",
@diff_opts,
(@$parents <= 1 ? $parent : '-c'),
$hash, "--"
or die_error(undef, "Open git-diff-tree failed");
@difftree = map { chomp; $_ } <$fd>;
close $fd or die_error(undef, "Reading git-diff-tree failed");

# non-textual hash id's can be cached
my $expires;
@ -3835,10 +4110,7 @@ sub git_commit {
git_print_log($co{'comment'});
print "</div>\n";

if (@$parents <= 1) {
# do not output difftree/whatchanged for merges
git_difftree_body(\@difftree, $hash, $parent);
}
git_difftree_body(\@difftree, $hash, @$parents);

git_footer_html();
}
@ -4115,8 +4387,10 @@ sub git_commitdiff {
}
}

my $hash_parent_param = $hash_parent;
if (!defined $hash_parent) {
$hash_parent = $co{'parent'} || '--root';
$hash_parent_param =
@{$co{'parents'}} > 1 ? '-c' : $co{'parent'} || '--root';
}

# read commitdiff
@ -4125,19 +4399,19 @@ sub git_commitdiff {
if ($format eq 'html') {
open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
"--no-commit-id", "--patch-with-raw", "--full-index",
$hash_parent, $hash, "--"
$hash_parent_param, $hash, "--"
or die_error(undef, "Open git-diff-tree failed");

while (my $line = <$fd>) {
chomp $line;
# empty line ends raw part of diff-tree output
last unless $line;
push @difftree, $line;
push @difftree, scalar parse_difftree_raw_line($line);
}

} elsif ($format eq 'plain') {
open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
'-p', $hash_parent, $hash, "--"
'-p', $hash_parent_param, $hash, "--"
or die_error(undef, "Open git-diff-tree failed");

} else {
@ -4193,10 +4467,10 @@ TEXT

# write patch
if ($format eq 'html') {
git_difftree_body(\@difftree, $hash, $hash_parent);
git_difftree_body(\@difftree, $hash, $hash_parent || @{$co{'parents'}});
print "<br/>\n";

git_patchset_body($fd, \@difftree, $hash, $hash_parent);
git_patchset_body($fd, \@difftree, $hash, $hash_parent || @{$co{'parents'}});
close $fd;
print "</div>\n"; # class="page_body"
git_footer_html();