Merge branch 'rt/zlib-smaller-window'
[gitweb.git] / gitweb / gitweb.perl
index f3e567c8d7bc0bc556583326224e92e7c813f534..70a576a626ac67516af7b980c64ec33da6b7c19b 100755 (executable)
@@ -321,6 +321,10 @@ sub evaluate_uri {
        # Enable text search, which will list the commits which match author,
        # committer or commit text to a given string.  Enabled by default.
        # Project specific override is not supported.
+       #
+       # Note that this controls all search features, which means that if
+       # it is disabled, then 'grep' and 'pickaxe' search would also be
+       # disabled.
        'search' => {
                'override' => 0,
                'default' => [1]},
@@ -661,13 +665,25 @@ sub read_config_file {
        return;
 }
 
-our ($GITWEB_CONFIG, $GITWEB_CONFIG_SYSTEM);
+our ($GITWEB_CONFIG, $GITWEB_CONFIG_SYSTEM, $GITWEB_CONFIG_COMMON);
 sub evaluate_gitweb_config {
        our $GITWEB_CONFIG = $ENV{'GITWEB_CONFIG'} || "++GITWEB_CONFIG++";
        our $GITWEB_CONFIG_SYSTEM = $ENV{'GITWEB_CONFIG_SYSTEM'} || "++GITWEB_CONFIG_SYSTEM++";
+       our $GITWEB_CONFIG_COMMON = $ENV{'GITWEB_CONFIG_COMMON'} || "++GITWEB_CONFIG_COMMON++";
+
+       # Protect agains duplications of file names, to not read config twice.
+       # Only one of $GITWEB_CONFIG and $GITWEB_CONFIG_SYSTEM is used, so
+       # there possibility of duplication of filename there doesn't matter.
+       $GITWEB_CONFIG = ""        if ($GITWEB_CONFIG eq $GITWEB_CONFIG_COMMON);
+       $GITWEB_CONFIG_SYSTEM = "" if ($GITWEB_CONFIG_SYSTEM eq $GITWEB_CONFIG_COMMON);
+
+       # Common system-wide settings for convenience.
+       # Those settings can be ovverriden by GITWEB_CONFIG or GITWEB_CONFIG_SYSTEM.
+       read_config_file($GITWEB_CONFIG_COMMON);
 
-       # use first config file that exists
-       read_config_file($GITWEB_CONFIG) or
+       # Use first config file that exists.  This means use the per-instance
+       # GITWEB_CONFIG if exists, otherwise use GITWEB_SYSTEM_CONFIG.
+       read_config_file($GITWEB_CONFIG) and return;
        read_config_file($GITWEB_CONFIG_SYSTEM);
 }
 
@@ -2510,6 +2526,13 @@ sub git_get_project_config {
 
        # key sanity check
        return unless ($key);
+       # only subsection, if exists, is case sensitive,
+       # and not lowercased by 'git config -z -l'
+       if (my ($hi, $mi, $lo) = ($key =~ /^([^.]*)\.(.*)\.([^.]*)$/)) {
+               $key = join(".", lc($hi), $mi, lc($lo));
+       } else {
+               $key = lc($key);
+       }
        $key =~ s/^gitweb\.//;
        return if ($key =~ m/\W/);
 
@@ -5521,6 +5544,216 @@ sub git_remotes_body {
        }
 }
 
+sub git_search_message {
+       my %co = @_;
+
+       my $greptype;
+       if ($searchtype eq 'commit') {
+               $greptype = "--grep=";
+       } elsif ($searchtype eq 'author') {
+               $greptype = "--author=";
+       } elsif ($searchtype eq 'committer') {
+               $greptype = "--committer=";
+       }
+       $greptype .= $searchtext;
+       my @commitlist = parse_commits($hash, 101, (100 * $page), undef,
+                                      $greptype, '--regexp-ignore-case',
+                                      $search_use_regexp ? '--extended-regexp' : '--fixed-strings');
+
+       my $paging_nav = '';
+       if ($page > 0) {
+               $paging_nav .=
+                       $cgi->a({-href => href(-replay=>1, page=>undef)},
+                               "first") .
+                       " ⋅ " .
+                       $cgi->a({-href => href(-replay=>1, page=>$page-1),
+                                -accesskey => "p", -title => "Alt-p"}, "prev");
+       } else {
+               $paging_nav .= "first ⋅ prev";
+       }
+       my $next_link = '';
+       if ($#commitlist >= 100) {
+               $next_link =
+                       $cgi->a({-href => href(-replay=>1, page=>$page+1),
+                                -accesskey => "n", -title => "Alt-n"}, "next");
+               $paging_nav .= " ⋅ $next_link";
+       } else {
+               $paging_nav .= " ⋅ next";
+       }
+
+       git_header_html();
+
+       git_print_page_nav('','', $hash,$co{'tree'},$hash, $paging_nav);
+       git_print_header_div('commit', esc_html($co{'title'}), $hash);
+       if ($page == 0 && !@commitlist) {
+               print "<p>No match.</p>\n";
+       } else {
+               git_search_grep_body(\@commitlist, 0, 99, $next_link);
+       }
+
+       git_footer_html();
+}
+
+sub git_search_changes {
+       my %co = @_;
+
+       local $/ = "\n";
+       open my $fd, '-|', git_cmd(), '--no-pager', 'log', @diff_opts,
+               '--pretty=format:%H', '--no-abbrev', '--raw', "-S$searchtext",
+               ($search_use_regexp ? '--pickaxe-regex' : ())
+                       or die_error(500, "Open git-log failed");
+
+       git_header_html();
+
+       git_print_page_nav('','', $hash,$co{'tree'},$hash);
+       git_print_header_div('commit', esc_html($co{'title'}), $hash);
+
+       print "<table class=\"pickaxe search\">\n";
+       my $alternate = 1;
+       undef %co;
+       my @files;
+       while (my $line = <$fd>) {
+               chomp $line;
+               next unless $line;
+
+               my %set = parse_difftree_raw_line($line);
+               if (defined $set{'commit'}) {
+                       # finish previous commit
+                       if (%co) {
+                               print "</td>\n" .
+                                     "<td class=\"link\">" .
+                                     $cgi->a({-href => href(action=>"commit", hash=>$co{'id'})},
+                                             "commit") .
+                                     " | " .
+                                     $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'},
+                                                            hash_base=>$co{'id'})},
+                                             "tree") .
+                                     "</td>\n" .
+                                     "</tr>\n";
+                       }
+
+                       if ($alternate) {
+                               print "<tr class=\"dark\">\n";
+                       } else {
+                               print "<tr class=\"light\">\n";
+                       }
+                       $alternate ^= 1;
+                       %co = parse_commit($set{'commit'});
+                       my $author = chop_and_escape_str($co{'author_name'}, 15, 5);
+                       print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
+                             "<td><i>$author</i></td>\n" .
+                             "<td>" .
+                             $cgi->a({-href => href(action=>"commit", hash=>$co{'id'}),
+                                     -class => "list subject"},
+                                     chop_and_escape_str($co{'title'}, 50) . "<br/>");
+               } elsif (defined $set{'to_id'}) {
+                       next if ($set{'to_id'} =~ m/^0{40}$/);
+
+                       print $cgi->a({-href => href(action=>"blob", hash_base=>$co{'id'},
+                                                    hash=>$set{'to_id'}, file_name=>$set{'to_file'}),
+                                     -class => "list"},
+                                     "<span class=\"match\">" . esc_path($set{'file'}) . "</span>") .
+                             "<br/>\n";
+               }
+       }
+       close $fd;
+
+       # finish last commit (warning: repetition!)
+       if (%co) {
+               print "</td>\n" .
+                     "<td class=\"link\">" .
+                     $cgi->a({-href => href(action=>"commit", hash=>$co{'id'})},
+                             "commit") .
+                     " | " .
+                     $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'},
+                                            hash_base=>$co{'id'})},
+                             "tree") .
+                     "</td>\n" .
+                     "</tr>\n";
+       }
+
+       print "</table>\n";
+
+       git_footer_html();
+}
+
+sub git_search_files {
+       my %co = @_;
+
+       local $/ = "\n";
+       open my $fd, "-|", git_cmd(), 'grep', '-n',
+               $search_use_regexp ? ('-E', '-i') : '-F',
+               $searchtext, $co{'tree'}
+                       or die_error(500, "Open git-grep failed");
+
+       git_header_html();
+
+       git_print_page_nav('','', $hash,$co{'tree'},$hash);
+       git_print_header_div('commit', esc_html($co{'title'}), $hash);
+
+       print "<table class=\"grep_search\">\n";
+       my $alternate = 1;
+       my $matches = 0;
+       my $lastfile = '';
+       while (my $line = <$fd>) {
+               chomp $line;
+               my ($file, $lno, $ltext, $binary);
+               last if ($matches++ > 1000);
+               if ($line =~ /^Binary file (.+) matches$/) {
+                       $file = $1;
+                       $binary = 1;
+               } else {
+                       (undef, $file, $lno, $ltext) = split(/:/, $line, 4);
+               }
+               if ($file ne $lastfile) {
+                       $lastfile and print "</td></tr>\n";
+                       if ($alternate++) {
+                               print "<tr class=\"dark\">\n";
+                       } else {
+                               print "<tr class=\"light\">\n";
+                       }
+                       print "<td class=\"list\">".
+                               $cgi->a({-href => href(action=>"blob", hash=>$co{'hash'},
+                                                      file_name=>"$file"),
+                                       -class => "list"}, esc_path($file));
+                       print "</td><td>\n";
+                       $lastfile = $file;
+               }
+               if ($binary) {
+                       print "<div class=\"binary\">Binary file</div>\n";
+               } else {
+                       $ltext = untabify($ltext);
+                       if ($ltext =~ m/^(.*)($search_regexp)(.*)$/i) {
+                               $ltext = esc_html($1, -nbsp=>1);
+                               $ltext .= '<span class="match">';
+                               $ltext .= esc_html($2, -nbsp=>1);
+                               $ltext .= '</span>';
+                               $ltext .= esc_html($3, -nbsp=>1);
+                       } else {
+                               $ltext = esc_html($ltext, -nbsp=>1);
+                       }
+                       print "<div class=\"pre\">" .
+                               $cgi->a({-href => href(action=>"blob", hash=>$co{'hash'},
+                                                      file_name=>"$file").'#l'.$lno,
+                                       -class => "linenr"}, sprintf('%4i', $lno))
+                               . ' ' .  $ltext . "</div>\n";
+               }
+       }
+       if ($lastfile) {
+               print "</td></tr>\n";
+               if ($matches > 1000) {
+                       print "<div class=\"diff nodifferences\">Too many matches, listing trimmed</div>\n";
+               }
+       } else {
+               print "<div class=\"diff nodifferences\">No matches found</div>\n";
+       }
+       close $fd;
+
+       print "</table>\n";
+
+       git_footer_html();
+}
+
 sub git_search_grep_body {
        my ($commitlist, $from, $to, $extra) = @_;
        $from = 0 unless defined $from;
@@ -6251,7 +6484,7 @@ sub git_blob {
                        $nr++;
                        $line = untabify($line);
                        printf qq!<div class="pre"><a id="l%i" href="%s#l%i" class="linenr">%4i</a> %s</div>\n!,
-                              $nr, esc_attr(href(-replay => 1)), $nr, $nr, $syntax ? $line : esc_html($line, -nbsp=>1);
+                              $nr, esc_attr(href(-replay => 1)), $nr, $nr, $syntax ? to_utf8($line) : esc_html($line, -nbsp=>1);
                }
        }
        close $fd
@@ -7076,7 +7309,23 @@ sub git_history {
 }
 
 sub git_search {
-       gitweb_check_feature('search') or die_error(403, "Search is disabled");
+       $searchtype ||= 'commit';
+
+       # check if appropriate features are enabled
+       gitweb_check_feature('search')
+               or die_error(403, "Search is disabled");
+       if ($searchtype eq 'pickaxe') {
+               # pickaxe may take all resources of your box and run for several minutes
+               # with every query - so decide by yourself how public you make this feature
+               gitweb_check_feature('pickaxe')
+                       or die_error(403, "Pickaxe search is disabled");
+       }
+       if ($searchtype eq 'grep') {
+               # grep search might be potentially CPU-intensive, too
+               gitweb_check_feature('grep')
+                       or die_error(403, "Grep search is disabled");
+       }
+
        if (!defined $searchtext) {
                die_error(400, "Text field is empty");
        }
@@ -7091,205 +7340,17 @@ sub git_search {
                $page = 0;
        }
 
-       $searchtype ||= 'commit';
-       if ($searchtype eq 'pickaxe') {
-               # pickaxe may take all resources of your box and run for several minutes
-               # with every query - so decide by yourself how public you make this feature
-               gitweb_check_feature('pickaxe')
-                   or die_error(403, "Pickaxe is disabled");
-       }
-       if ($searchtype eq 'grep') {
-               gitweb_check_feature('grep')
-                   or die_error(403, "Grep is disabled");
-       }
-
-       git_header_html();
-
-       if ($searchtype eq 'commit' or $searchtype eq 'author' or $searchtype eq 'committer') {
-               my $greptype;
-               if ($searchtype eq 'commit') {
-                       $greptype = "--grep=";
-               } elsif ($searchtype eq 'author') {
-                       $greptype = "--author=";
-               } elsif ($searchtype eq 'committer') {
-                       $greptype = "--committer=";
-               }
-               $greptype .= $searchtext;
-               my @commitlist = parse_commits($hash, 101, (100 * $page), undef,
-                                              $greptype, '--regexp-ignore-case',
-                                              $search_use_regexp ? '--extended-regexp' : '--fixed-strings');
-
-               my $paging_nav = '';
-               if ($page > 0) {
-                       $paging_nav .=
-                               $cgi->a({-href => href(action=>"search", hash=>$hash,
-                                                      searchtext=>$searchtext,
-                                                      searchtype=>$searchtype)},
-                                       "first");
-                       $paging_nav .= " &sdot; " .
-                               $cgi->a({-href => href(-replay=>1, page=>$page-1),
-                                        -accesskey => "p", -title => "Alt-p"}, "prev");
-               } else {
-                       $paging_nav .= "first";
-                       $paging_nav .= " &sdot; prev";
-               }
-               my $next_link = '';
-               if ($#commitlist >= 100) {
-                       $next_link =
-                               $cgi->a({-href => href(-replay=>1, page=>$page+1),
-                                        -accesskey => "n", -title => "Alt-n"}, "next");
-                       $paging_nav .= " &sdot; $next_link";
-               } else {
-                       $paging_nav .= " &sdot; next";
-               }
-
-               git_print_page_nav('','', $hash,$co{'tree'},$hash, $paging_nav);
-               git_print_header_div('commit', esc_html($co{'title'}), $hash);
-               if ($page == 0 && !@commitlist) {
-                       print "<p>No match.</p>\n";
-               } else {
-                       git_search_grep_body(\@commitlist, 0, 99, $next_link);
-               }
-       }
-
-       if ($searchtype eq 'pickaxe') {
-               git_print_page_nav('','', $hash,$co{'tree'},$hash);
-               git_print_header_div('commit', esc_html($co{'title'}), $hash);
-
-               print "<table class=\"pickaxe search\">\n";
-               my $alternate = 1;
-               local $/ = "\n";
-               open my $fd, '-|', git_cmd(), '--no-pager', 'log', @diff_opts,
-                       '--pretty=format:%H', '--no-abbrev', '--raw', "-S$searchtext",
-                       ($search_use_regexp ? '--pickaxe-regex' : ());
-               undef %co;
-               my @files;
-               while (my $line = <$fd>) {
-                       chomp $line;
-                       next unless $line;
-
-                       my %set = parse_difftree_raw_line($line);
-                       if (defined $set{'commit'}) {
-                               # finish previous commit
-                               if (%co) {
-                                       print "</td>\n" .
-                                             "<td class=\"link\">" .
-                                             $cgi->a({-href => href(action=>"commit", hash=>$co{'id'})}, "commit") .
-                                             " | " .
-                                             $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$co{'id'})}, "tree");
-                                       print "</td>\n" .
-                                             "</tr>\n";
-                               }
-
-                               if ($alternate) {
-                                       print "<tr class=\"dark\">\n";
-                               } else {
-                                       print "<tr class=\"light\">\n";
-                               }
-                               $alternate ^= 1;
-                               %co = parse_commit($set{'commit'});
-                               my $author = chop_and_escape_str($co{'author_name'}, 15, 5);
-                               print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
-                                     "<td><i>$author</i></td>\n" .
-                                     "<td>" .
-                                     $cgi->a({-href => href(action=>"commit", hash=>$co{'id'}),
-                                             -class => "list subject"},
-                                             chop_and_escape_str($co{'title'}, 50) . "<br/>");
-                       } elsif (defined $set{'to_id'}) {
-                               next if ($set{'to_id'} =~ m/^0{40}$/);
-
-                               print $cgi->a({-href => href(action=>"blob", hash_base=>$co{'id'},
-                                                            hash=>$set{'to_id'}, file_name=>$set{'to_file'}),
-                                             -class => "list"},
-                                             "<span class=\"match\">" . esc_path($set{'file'}) . "</span>") .
-                                     "<br/>\n";
-                       }
-               }
-               close $fd;
-
-               # finish last commit (warning: repetition!)
-               if (%co) {
-                       print "</td>\n" .
-                             "<td class=\"link\">" .
-                             $cgi->a({-href => href(action=>"commit", hash=>$co{'id'})}, "commit") .
-                             " | " .
-                             $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$co{'id'})}, "tree");
-                       print "</td>\n" .
-                             "</tr>\n";
-               }
-
-               print "</table>\n";
-       }
-
-       if ($searchtype eq 'grep') {
-               git_print_page_nav('','', $hash,$co{'tree'},$hash);
-               git_print_header_div('commit', esc_html($co{'title'}), $hash);
-
-               print "<table class=\"grep_search\">\n";
-               my $alternate = 1;
-               my $matches = 0;
-               local $/ = "\n";
-               open my $fd, "-|", git_cmd(), 'grep', '-n',
-                       $search_use_regexp ? ('-E', '-i') : '-F',
-                       $searchtext, $co{'tree'};
-               my $lastfile = '';
-               while (my $line = <$fd>) {
-                       chomp $line;
-                       my ($file, $lno, $ltext, $binary);
-                       last if ($matches++ > 1000);
-                       if ($line =~ /^Binary file (.+) matches$/) {
-                               $file = $1;
-                               $binary = 1;
-                       } else {
-                               (undef, $file, $lno, $ltext) = split(/:/, $line, 4);
-                       }
-                       if ($file ne $lastfile) {
-                               $lastfile and print "</td></tr>\n";
-                               if ($alternate++) {
-                                       print "<tr class=\"dark\">\n";
-                               } else {
-                                       print "<tr class=\"light\">\n";
-                               }
-                               print "<td class=\"list\">".
-                                       $cgi->a({-href => href(action=>"blob", hash=>$co{'hash'},
-                                                              file_name=>"$file"),
-                                               -class => "list"}, esc_path($file));
-                               print "</td><td>\n";
-                               $lastfile = $file;
-                       }
-                       if ($binary) {
-                               print "<div class=\"binary\">Binary file</div>\n";
-                       } else {
-                               $ltext = untabify($ltext);
-                               if ($ltext =~ m/^(.*)($search_regexp)(.*)$/i) {
-                                       $ltext = esc_html($1, -nbsp=>1);
-                                       $ltext .= '<span class="match">';
-                                       $ltext .= esc_html($2, -nbsp=>1);
-                                       $ltext .= '</span>';
-                                       $ltext .= esc_html($3, -nbsp=>1);
-                               } else {
-                                       $ltext = esc_html($ltext, -nbsp=>1);
-                               }
-                               print "<div class=\"pre\">" .
-                                       $cgi->a({-href => href(action=>"blob", hash=>$co{'hash'},
-                                                              file_name=>"$file").'#l'.$lno,
-                                               -class => "linenr"}, sprintf('%4i', $lno))
-                                       . ' ' .  $ltext . "</div>\n";
-                       }
-               }
-               if ($lastfile) {
-                       print "</td></tr>\n";
-                       if ($matches > 1000) {
-                               print "<div class=\"diff nodifferences\">Too many matches, listing trimmed</div>\n";
-                       }
-               } else {
-                       print "<div class=\"diff nodifferences\">No matches found</div>\n";
-               }
-               close $fd;
-
-               print "</table>\n";
+       if ($searchtype eq 'commit' ||
+           $searchtype eq 'author' ||
+           $searchtype eq 'committer') {
+               git_search_message(%co);
+       } elsif ($searchtype eq 'pickaxe') {
+               git_search_changes(%co);
+       } elsif ($searchtype eq 'grep') {
+               git_search_files(%co);
+       } else {
+               die_error(400, "Unknown search type");
        }
-       git_footer_html();
 }
 
 sub git_search_help {