cvsweb/cvsweb.cgi - diff

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Diff for /cvsweb/cvsweb.cgi between version 3.1 and 3.14

version 3.1, 2000/07/19 21:59:47

version 3.14, 2000/08/24 15:53:11

Line 1

#!/usr/bin/perl -ws

#!/usr/bin/perl5 -ws

# cvsweb - a CGI interface to CVS trees.

# Written in their spare time by

# Bill Fenner <fenner@FreeBSD.org> (original work)

# extended by Henner Zeller <zeller@think.de>,

# Henrik Nordstrom <hno@hem.passagen.se>

# Ken Coar <coar@Apache.Org>

# Dick Balaska <dick@buckosoft.com>

# Akinori MUSHA <knu@FreeBSD.org>

# Based on:

# * Bill Fenners cvsweb.cgi revision 1.28 available from:

# http://www.freebsd.org/cgi/cvsweb.cgi/www/en/cgi/cvsweb.cgi

# http://www.FreeBSD.org/cgi/cvsweb.cgi/www/en/cgi/cvsweb.cgi

Line 41

# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

# SUCH DAMAGE.

# $zId: cvsweb.cgi,v 1.94 2000/08/24 06:41:22 hnordstrom Exp $

# $Id$

###

Line 55 use vars qw (

Line 56 use vars qw (

@revisions %state %difflines %log %branchpoint @revorder $prcgi

@prcategories $prcategories

$checkoutMagic $doCheckout $scriptname $scriptwhere

$where $Browser $nofilelinks $maycompress @stickyvars

$where $pathinfo $Browser $nofilelinks $maycompress @stickyvars

%functionlineregexp

%funcline_regexp $is_mod_perl

$is_lynx $is_w3m $is_msie $is_mozilla3 $is_textbased

%input $query $barequery $sortby $bydate $byrev $byauthor

$bylog $byfile $hr_default $logsort $cvstree $cvsroot

$mimetype $defaultTextPlain $defaultViewable $allow_compress

Line 64 use vars qw (

Line 66 use vars qw (

$cvstreedefault $body_tag $logo $defaulttitle $address

$backcolor $long_intro $short_instruction $shortLogLen

$show_author $dirtable $tablepadding $columnHeaderColorDefault

$columnHeaderColorSorted $hr_breakable $hr_funout $hr_ignwhite

$columnHeaderColorSorted $hr_breakable $showfunc $hr_ignwhite

$hr_ignkeysubst $diffcolorHeading $diffcolorEmpty $diffcolorRemove

$diffcolorChange $diffcolorAdd $diffcolorDarkChange $difffontface

$difffontsize $inputTextSize $mime_types $allow_annotate

Line 77 use vars qw (

Line 79 use vars qw (

$use_moddate

);

sub printDiffSelect($);

sub findLastModifiedSubdirs(@);

sub htmlify($;$);

sub spacedHtmlText($);

sub link($$);

sub revcmp($$);

sub fatal($$);

sub redirect($);

sub safeglob($);

sub getMimeTypeFromSuffix($);

sub doAnnotate($$);

sub doCheckout($$);

sub cvswebMarkup($$$);

sub viewable($);

sub doDiff($$$$$$);

sub getDirLogs($$@);

sub readLog($;$);

sub printLog($;$);

sub doLog($);

sub flush_diff_rows($$$$);

sub human_readable_diff($);

sub navigateHeader($$$$$);

sub plural_write($$);

sub readableTime($$);

sub clickablePath($$);

sub chooseCVSRoot();

sub chooseMirror();

sub fileSortCmp();

sub download_url($$;$);

sub download_link($$$;$);

sub toggleQuery($$);

sub urlencode($);

sub http_header(;$);

sub html_header($);

sub html_footer();

sub link_tags($);

sub forbidden_module($);

##### Start of Configuration Area ########

# == EDIT this ==

use Cwd;

# == EDIT this ==

# User configuration is stored in

$config = $ENV{'CVSWEB_CONFIG'} || '/usr/local/etc/cvsweb.conf';

$config = undef;

for ($ENV{CVSWEB_CONFIG},

# '/home/knu/etc/cvsweb.conf',

'/usr/local/etc/cvsweb.conf',

getcwd . '/cvsweb.conf') {

$config = $_ if defined($_) && -r $_;

}

# == Configuration defaults ==

# Defaults for configuration variables that shouldn't need

# to be configured..

Line 96 $allow_version_select = 1;

Line 145 $allow_version_select = 1;

$cvstreedefault = $body_tag = $logo = $defaulttitle = $address =

$backcolor = $long_intro = $short_instruction = $shortLogLen =

$show_author = $dirtable = $tablepadding = $columnHeaderColorDefault =

$columnHeaderColorSorted = $hr_breakable = $hr_funout = $hr_ignwhite =

$columnHeaderColorSorted = $hr_breakable = $showfunc = $hr_ignwhite =

$hr_ignkeysubst = $diffcolorHeading = $diffcolorEmpty = $diffcolorRemove =

$diffcolorChange = $diffcolorAdd = $diffcolorDarkChange = $difffontface =

$difffontsize = $inputTextSize = $mime_types = $allow_annotate =

$allow_markup = $use_java_script = $open_extern_window =

$extern_window_width = $extern_window_height = $edit_option_form =

$checkout_magic = $show_subdir_lastmod = $show_log_in_markup = $v =

$navigationHeaderColor = $tableBorderColor = $markupLogColor =

$tabstop = $use_moddate = $moddate = undef;

##### End of configuration variables #####

Line 113 use IPC::Open2;

Line 162 use IPC::Open2;

$verbose = $v;

$checkoutMagic = "~checkout~";

$where = defined($ENV{'PATH_INFO'}) ? $ENV{'PATH_INFO'} : "";

$pathinfo = defined($ENV{PATH_INFO}) ? $ENV{PATH_INFO} : '';

$where = $pathinfo;

$doCheckout = ($where =~ /^\/$checkoutMagic/);

$where =~ s|^/($checkoutMagic)?||;

$where =~ s|/+$||;

($scriptname = $ENV{'SCRIPT_NAME'}) =~ s|^/?|/|;

$scriptname = defined($ENV{SCRIPT_NAME}) ? $ENV{SCRIPT_NAME} : '';

$scriptname =~ s|^/?|/|;

$scriptname =~ s|/+$||;

$scriptwhere = $scriptname;

if ($where) {

$scriptwhere = $scriptname . '/' . urlencode($where);

$scriptwhere .= '/' . urlencode($where);

}

else {

$scriptwhere = $scriptname;

}

$scriptwhere =~ s|/+$||;

$is_mod_perl = defined($ENV{MOD_PERL});

# in lynx, it it very annoying to have two links

# per file, so disable the link at the icon

# in this case:

$Browser = $ENV{'HTTP_USER_AGENT'};

$Browser = $ENV{HTTP_USER_AGENT};

$nofilelinks = ($Browser =~ m'^Lynx/');

$is_lynx = ($Browser =~ m`^Lynx/`i);

$is_w3m = ($Browser =~ m`^w3m/`i);

$is_msie = ($Browser =~ m`MSIE`);

$is_mozilla3 = ($Browser =~ m`^Mozilla/[3-9]`);

$is_textbased = ($is_lynx || $is_w3m);

$nofilelinks = $is_textbased;

# newer browsers accept gzip content encoding

# and state this in a header

# (netscape did always but didn't state it)

Line 143 $nofilelinks = ($Browser =~ m'^Lynx/');

Line 200 $nofilelinks = ($Browser =~ m'^Lynx/');

# Turn off gzip if running under mod_perl. piping does

# not work as expected inside the server. One can probably

# achieve the same result using Apache::GZIPFilter.

$maycompress =(($ENV{'HTTP_ACCEPT_ENCODING'} =~ m|gzip|

$maycompress = (($ENV{HTTP_ACCEPT_ENCODING} =~ m`gzip`

|| $Browser =~ m%^Mozilla/3%)

|| $is_mozilla3)

&& ($Browser !~ m/MSIE/)

&& !$is_msie

&& !defined($ENV{'MOD_PERL'}));

&& !$is_mod_perl);

# put here the variables we need in order

# to hold our state - they will be added (with

# their current value) to any link/query string

# you construct

@stickyvars = ('cvsroot','hideattic','sortby','logsort','f','only_with_tag');

@stickyvars = qw(cvsroot hideattic sortby logsort f only_with_tag);

if (-f $config) {

do "$config";

do $config;

}

else {

&fatal("500 Internal Error",

Line 166 else {

Line 223 else {

}

undef %input;

if ($query = $ENV{'QUERY_STRING'}) {

$query = $ENV{QUERY_STRING};

if (defined($query) && $query ne '') {

foreach (split(/&/, $query)) {

s/%(..)/sprintf("%c", hex($1))/ge; # unquote %-quoted

if (/(\S+)=(.*)/) {

Line 178 if ($query = $ENV{'QUERY_STRING'}) {

Line 237 if ($query = $ENV{'QUERY_STRING'}) {

}

# For backwards compability, set only_with_tag to only_on_branch if set.

$input{only_with_tag} = $input{only_on_branch}

if (defined($input{only_on_branch}));

Line 205 foreach (keys %DEFAULTVALUE)

Line 264 foreach (keys %DEFAULTVALUE)

}

$barequery = "";

foreach (@stickyvars) {

# construct a query string with the sticky non default parameters set

if (defined($input{$_}) && $input{$_} ne "" && $input{$_} ne $DEFAULTVALUE{$_}) {

if (defined($input{$_}) && $input{$_} ne '' &&

if ($barequery) {

!(defined($DEFAULTVALUE{$_}) && $input{$_} eq $DEFAULTVALUE{$_})) {

if ($barequery) {

$barequery = $barequery . "&";

}

my $thisval = urlencode($_) . "=" . urlencode($input{$_});

Line 251 else {

Line 311 else {

$hr_default = $input{'f'} eq 'h';

$logsort = $input{"logsort"};

$logsort = $input{'logsort'};

## Default CVS-Tree

Line 276 foreach my $k (keys %ICONS) {

Line 336 foreach my $k (keys %ICONS) {

no strict 'refs';

my ($itxt,$ipath,$iwidth,$iheight) = @{$ICONS{$k}};

if ($ipath) {

$ {"${k}icon"} = "<IMG SRC=\"$ipath\" ALT=\"$itxt\" BORDER=\"0\" WIDTH=\"$iwidth\" HEIGHT=\"$iheight\">";

${"${k}icon"} = "<IMG SRC=\"$ipath\" ALT=\"$itxt\" BORDER=\"0\" WIDTH=\"$iwidth\" HEIGHT=\"$iheight\">";

}

else {

$ {"${k}icon"} = $itxt;

${"${k}icon"} = $itxt;

}

Line 296 $defaultViewable = $allow_markup && viewable($mimetype

Line 356 $defaultViewable = $allow_markup && viewable($mimetype

# search for GZIP if compression allowed

# We've to find out if the GZIP-binary exists .. otherwise

# ge get an Internal Server Error if we try to pipe the

# output through the nonexistent gzip ..

# any more elegant ways to prevent this are welcome!

if ($allow_compress && $maycompress) {

foreach (split(/:/, $ENV{PATH})) {

Line 312 if (-d $fullname) {

Line 372 if (-d $fullname) {

# ensure, that directories always end with (exactly) one '/'

# to allow relative URL's. If they're not, make a redirect.

my $pathinfo = defined($ENV{'PATH_INFO'}) ? $ENV{'PATH_INFO'} : "";

if (!($pathinfo =~ m|/$|) || ($pathinfo =~ m |/{2,}$|)) {

redirect ($scriptwhere . '/' . $query);

}

Line 347 elsif (-d $fullname) {

Line 406 elsif (-d $fullname) {

getDirLogs($cvsroot,$where,@subLevelFiles);

if ($where eq '/') {

html_header("$defaulttitle");

html_header($defaulttitle);

$long_intro =~ s/!!CVSROOTdescr!!/$CVSROOTdescr{$cvstree}/g;

print $long_intro;

}

else {

html_header("$where");

html_header($where);

print $short_instruction;

}

Line 377 elsif (-d $fullname) {

Line 437 elsif (-d $fullname) {

$input{only_with_tag};

}

print "<HR NOSHADE>\n";

# Using <MENU> in this manner violates the HTML2.0 spec but

# provides the results that I want in most browsers. Another

# case of layout spooging up HTML.

my $infocols = 0;

if ($dirtable) {

if (defined($tableBorderColor)) {

Line 392 elsif (-d $fullname) {

Line 452 elsif (-d $fullname) {

}

print "<table width=\"100%\" border=0 cellspacing=1 cellpadding=$tablepadding>\n";

$infocols++;

print "<tr><th align=left bgcolor=\"" . (($byfile) ?

$columnHeaderColorSorted :

$columnHeaderColorDefault) . "\">";

print "<a href=\"./" . &toggleQuery("sortby","file") .

"#dirlist\">" if (!$byfile);

Line 404 elsif (-d $fullname) {

Line 464 elsif (-d $fullname) {

# with revision information:

if (scalar(%fileinfo)) {

$infocols++;

print "<th align=left bgcolor=\"" . (($byrev) ?

$columnHeaderColorSorted :

$columnHeaderColorDefault) . "\">";

print "<a href=\"./" . &toggleQuery ("sortby","rev") .

"#dirlist\">" if (!$byrev);

Line 413 elsif (-d $fullname) {

Line 473 elsif (-d $fullname) {

print "</a>" if (!$byrev);

print "</th>";

$infocols++;

print "<th align=left bgcolor=\"" . (($bydate) ?

$columnHeaderColorSorted :

$columnHeaderColorDefault) . "\">";

print "<a href=\"./" . &toggleQuery ("sortby","date") .

"#dirlist\">" if (!$bydate);

Line 423 elsif (-d $fullname) {

Line 483 elsif (-d $fullname) {

print "</th>";

if ($show_author) {

$infocols++;

print "<th align=left bgcolor=\"" . (($byauthor) ?

$columnHeaderColorSorted :

$columnHeaderColorDefault) . "\">";

print "<a href=\"./" . &toggleQuery ("sortby","author") .

"#dirlist\">" if (!$byauthor);

Line 433 elsif (-d $fullname) {

Line 493 elsif (-d $fullname) {

print "</th>";

}

$infocols++;

print "<th align=left bgcolor=\"" . (($bylog) ?

$columnHeaderColorSorted :

$columnHeaderColorDefault) . "\">";

print "<a href=\"./", toggleQuery("sortby","log"), "#dirlist\">" if (!$bylog);

print "Last log entry";

Line 452 elsif (-d $fullname) {

Line 512 elsif (-d $fullname) {

print "<menu>\n";

}

my $dirrow = 0;

my $i;

lookingforattic:

for ($i = 0; $i <= $#dir; $i++) {

Line 467 elsif (-d $fullname) {

Line 527 elsif (-d $fullname) {

closedir($dh);

}

my $hideAtticToggleLink = "<a href=\"./" .

&toggleQuery ("hideattic") .

"#dirlist\">[Hide]</a>" if (!$input{'hideattic'});

Line 529 elsif (-d $fullname) {

Line 589 elsif (-d $fullname) {

}

print " ", &link($_ . "/", $url), $attic;

if ($_ eq "Attic") {

print "  <a href=\"./" .

&toggleQuery ("hideattic") .

"#dirlist\">[Don't hide]</a>";

}

# Show last change in dir

if ($filename) {

print "</td><td> </td><td> " if ($dirtable);

Line 602 elsif (-d $fullname) {

Line 662 elsif (-d $fullname) {

print " ", &link($_, $url), $attic;

print "</td><td> " if ($dirtable);

download_link($fileurl,

$rev, $rev,

$defaultViewable ? "text/x-cvsweb-markup" : undef);

print "</td><td> " if ($dirtable);

if ($date) {

Line 630 elsif (-d $fullname) {

Line 690 elsif (-d $fullname) {

print "</td></tr></table>";

}

print "". ($dirtable == 1) ? "</table>" : "</menu>" . "\n";

if ($filesexists && !$filesfound) {

print "<P><B>NOTE:</B> There are $filesexists files, but none matches the current tag ($input{only_with_tag})\n";

}

if ($input{only_with_tag} && (!%tags || !$tags{$input{only_with_tag}})) {

%tags = %alltags

}

if (scalar %tags

|| $input{only_with_tag}

|| $edit_option_form

|| defined($input{"options"})) {

print "<hr size=1 NOSHADE>";

Line 659 elsif (-d $fullname) {

Line 719 elsif (-d $fullname) {

print ">";

print "<OPTION VALUE=\"\">All tags / default branch\n";

foreach my $tag (reverse sort { lc $a cmp lc $b } keys %tags) {

print "<OPTION",defined($input{only_with_tag}) &&

$input{only_with_tag} eq $tag ? " SELECTED":"",

$input{only_with_tag} eq $tag ? " SELECTED" : "",

">$tag\n";

}

print "</SELECT>\n";

Line 693 elsif (-d $fullname) {

Line 753 elsif (-d $fullname) {

print "<OPTION VALUE=rev",$logsort eq "rev" ? " SELECTED" : "", ">Revision";

print "</SELECT></td></tr>";

print "<tr><td>Diff format: ";

printDiffSelect();

printDiffSelect(0);

print "</td>";

print "<td>Show Attic files: ";

print "<INPUT NAME=hideattic TYPE=CHECKBOX", $input{'hideattic'}?" CHECKED":"",

print "<INPUT NAME=hideattic TYPE=CHECKBOX", $input{'hideattic'} ? " CHECKED" : "",

"></td></tr>\n";

print "<tr><td align=center colspan=2><input type=submit value=\"Change Options\">";

print "</td></tr></table></center></FORM>\n";

}

print &html_footer;

print "</BODY></HTML>\n";

}

###############################

# View Files

Line 777 elsif (-d $fullname) {

Line 837 elsif (-d $fullname) {

}

## End MAIN

sub printDiffSelect {

sub printDiffSelect($) {

my ($use_java_script) = @_;

$use_java_script = 0 if (!defined($use_java_script));

my ($f) = $input{'f'};

print "<SELECT NAME=\"f\"";

print " onchange=\"submit()\"" if ($use_java_script);

Line 792 sub printDiffSelect {

Line 851 sub printDiffSelect {

print "</SELECT>";

}

sub findLastModifiedSubdirs {

sub findLastModifiedSubdirs(@) {

my (@dirs) = @_;

my ($dirname, @files);

Line 826 sub findLastModifiedSubdirs {

Line 885 sub findLastModifiedSubdirs {

return @files;

}

sub htmlify {

sub htmlify($;$) {

my($string, $pr) = @_;

# Special Characters; RFC 1866

$string =~ s/&/&/g;

$string =~ s/\"/"/g;

$string =~ s/</</g;

$string =~ s/>/>/g;

Line 842 sub htmlify {

Line 901 sub htmlify {

# get #PR as link ..

if ($pr && defined($prcgi)) {

1 while $string =~ s`\b(pr[:#]?\s*(?:#?\d+[,\s]\s*)*#?)(\d+)\b`$1<A HREF="$prcgi?pr=$2">$2</A>`i;

1 while $string =~ s`\b(pr[:#]?\s*(?:#?\d+[,\s]\s*)*#?)(\d+)\b`$1<A HREF="$prcgi$2">$2</A>`i;

$string =~ s`\b${prcategories}/(\d+)\b`<A HREF="$prcgi?pr=$1">$&</A>`igo;

$string =~ s`\b${prcategories}/(\d+)\b`<A HREF="$prcgi$1">$&</A>`igo;

}

return $string;

}

sub spacedHtmlText {

sub spacedHtmlText($) {

my($string, $pr) = @_;

local $_ = $_[0];

# Cut trailing spaces

s/\s+$//;

s/\s+\n$//;

# Expand tabs

$string =~ s/\t+/' ' x (length($&) * $tabstop - length($`) % $tabstop)/e

s/\t+/' ' x (length($&) * $tabstop - length($`) % $tabstop)/e

if (defined($tabstop));

# replace <tab> and <space> (\001 is to protect us from htmlify)

# gzip can make excellent use of this repeating pattern :-)

$string =~ s/\001/\001%/g; #protect our & substitute

s/\001/\001%/g; #protect our & substitute

if ($hr_breakable) {

# make every other space 'breakable'

$string =~ s/ / \001nbsp; \001nbsp; \001nbsp; \001nbsp;/g; # <tab>

s/ / \001nbsp; \001nbsp; \001nbsp; \001nbsp;/g; # <tab>

$string =~ s/ / \001nbsp;/g; # 2 * <space>

s/ / \001nbsp;/g; # 2 * <space>

# leave single space as it is

}

else {

$string =~ s/ /\001nbsp;\001nbsp;\001nbsp;\001nbsp;\001nbsp;\001nbsp;\001nbsp;\001nbsp;/g;

s/ /\001nbsp;\001nbsp;\001nbsp;\001nbsp;\001nbsp;\001nbsp;\001nbsp;\001nbsp;/g;

$string =~ s/ /\001nbsp;/g;

s/ /\001nbsp;/g;

}

$string = htmlify($string);

$_ = htmlify($_);

# unescape

$string =~ s/\001([^%])/&$1/g;

s/\001([^%])/&$1/g;

$string =~ s/\001%/\001/g;

s/\001%/\001/g;

return $string;

return $_;

}

sub link {

sub link($$) {

my($name, $where) = @_;

return "<A HREF=\"$where\">$name</A>\n";

}

sub revcmp {

sub revcmp($$) {

my($rev1, $rev2) = @_;

my(@r1) = split(/\./, $rev1);

my(@r2) = split(/\./, $rev2);

Line 904 sub revcmp {

Line 963 sub revcmp {

return 0;

}

sub fatal {

sub fatal($$) {

my($errcode, $errmsg) = @_;

if (defined($ENV{'MOD_PERL'})) {

if ($is_mod_perl) {

Apache->request->status((split(/ /, $errcode))[0]);

}

else {

print "Status: $errcode\n";

print "Status: $errcode\r\n";

}

html_header("Error");

print "Error: $errmsg\n";

Line 918 sub fatal {

Line 977 sub fatal {

exit(1);

}

sub redirect {

sub redirect($) {

my($url) = @_;

if (defined($ENV{'MOD_PERL'})) {

if ($is_mod_perl) {

Apache->request->status(301);

Apache->request->header_out(Location => $url);

}

else {

print "Status: 301 Moved\n";

print "Status: 301 Moved\r\n";

print "Location: $url\n";

print "Location: $url\r\n";

}

html_header("Moved");

print "This document is located <A HREF=$url>here</A>.\n";

Line 934 sub redirect {

Line 993 sub redirect {

exit(1);

}

sub safeglob {

sub safeglob($) {

my ($filename) = @_;

my ($dirname);

my (@results);

Line 963 sub safeglob {

Line 1022 sub safeglob {

@results;

}

sub getMimeTypeFromSuffix {

sub getMimeTypeFromSuffix($) {

my ($fullname) = @_;

my ($mimetype, $suffix);

my $fh = do {local(*FH);};

Line 971 sub getMimeTypeFromSuffix {

Line 1030 sub getMimeTypeFromSuffix {

($suffix = $fullname) =~ s/^.*\.([^.]*)$/$1/;

$mimetype = $MTYPES{$suffix};

$mimetype = $MTYPES{'*'} if (!$mimetype);

if (!$mimetype && -f $mime_types) {

# okey, this is something special - search the

# mime.types database

Line 984 sub getMimeTypeFromSuffix {

Line 1043 sub getMimeTypeFromSuffix {

}

close ($fh);

}

# okey, didn't find anything useful ..

if (!($mimetype =~ /\S\/\S/)) {

$mimetype = "text/plain";

Line 995 sub getMimeTypeFromSuffix {

Line 1054 sub getMimeTypeFromSuffix {

###############################

# show Annotation

###############################

sub doAnnotate ($$) {

sub doAnnotate($$) {

my ($rev) = @_;

my ($pid);

my ($pathname, $filename);

Line 1006 sub doAnnotate ($$) {

Line 1065 sub doAnnotate ($$) {

# reasons ..

if (!($rev =~ /^[\d\.]+$/)) {

&fatal("404 Not Found",

"Malformed query \"$ENV{'QUERY_STRING'}\"");

"Malformed query \"$ENV{QUERY_STRING}\"");

}

($pathname = $where) =~ s/(Attic\/)?[^\/]*$//;

Line 1014 sub doAnnotate ($$) {

Line 1073 sub doAnnotate ($$) {

http_header();

navigateHeader ($scriptwhere,$pathname,$filename,$rev, "annotate");

navigateHeader($scriptwhere,$pathname,$filename,$rev, "annotate");

print "<h3 align=center>Annotation of $pathname$filename, Revision $rev</h3>\n";

# this seems to be necessary

Line 1026 sub doAnnotate ($$) {

Line 1085 sub doAnnotate ($$) {

# the public domain.

# we could abandon the use of rlog, rcsdiff and co using

# the cvsserver in a similiar way one day (..after rewrite)

$pid = open2($reader, $writer, "cvs server") || fatal ("500 Internal Error",

"Fatal Error - unable to open cvs for annotation");

# OK, first send the request to the server. A simplified example is:

# Root /home/kingdon/zwork/cvsroot

# Argument foo/xx

Line 1038 sub doAnnotate ($$) {

Line 1097 sub doAnnotate ($$) {

# /home/kingdon/zwork/cvsroot

# annotate

# although as you can see there are a few more details.

print $writer "Root $cvsroot\n";

print $writer "Valid-responses ok error Valid-requests Checked-in Updated Merged Removed M E\n";

# Don't worry about sending valid-requests, the server just needs to

Line 1052 sub doAnnotate ($$) {

Line 1111 sub doAnnotate ($$) {

# least to the point of including the directories down to the one

# containing the file in question).

# So if $where is "dir/sdir/file", then @dirs will be ("dir","sdir","file")

my @dirs = split (/\//, $where);

my @dirs = split('/', $where);

my $path = "";

foreach (@dirs) {

if ($path eq "") {

# In our example, $_ is "dir".

$path = $_;

}

else {

print $writer "Directory " . $path . "\n";

print $writer "Directory $path\n";

print $writer "$cvsroot/" . $path ."\n";

print $writer "$cvsroot/$path\n";

# In our example, $_ is "sdir" and $path becomes "dir/sdir"

# And the next time, "file" and "dir/sdir/file" (which then gets

# ignored, because we don't need to send Directory for the file).

$path = $path . "/" . $_;

$path .= "/$_";

}

# And the last "Directory" before "annotate" is the top level.

print $writer "Directory .\n";

print $writer "$cvsroot\n";

print $writer "annotate\n";

# OK, we've sent our command to the server. Thing to do is to

# close the writer side and get all the responses. If "cvs server"

# were nicer about buffering, then we could just leave it open, I think.

close ($writer) || die "cannot close: $!";

# Ready to get the responses from the server.

# For example:

# E Annotations for foo/xx

# E ***************

# M 1.3 (kingdon 06-Sep-97): hello

# ok

my ($lineNr) = 0;

my ($oldLrev, $oldLusr) = ("", "");

Line 1122 sub doAnnotate ($$) {

Line 1181 sub doAnnotate ($$) {

$oldLusr = $lusr;

# is there a less timeconsuming way to strip spaces ?

($lrev = $lrev) =~ s/\s+//g;

my $isCurrentRev = ("$rev" eq "$lrev");

my $isCurrentRev = ($rev eq $lrev);

print "<b>" if ($isCurrentRev);

printf ("%8s%s%8s %4d:", $revprint, ($isCurrentRev ? "|" : " "), $usrprint, $lineNr);

print spacedHtmlText($line);

Line 1150 sub doAnnotate ($$) {

Line 1209 sub doAnnotate ($$) {

###############################

# make Checkout

###############################

sub doCheckout {

sub doCheckout($$) {

my ($fullname, $rev) = @_;

my ($mimetype,$revopt);

my $fh = do {local(*FH);};

Line 1159 sub doCheckout {

Line 1218 sub doCheckout {

# reasons ..

if (defined($rev) && !($rev =~ /^[\d\.]+$/)) {

&fatal("404 Not Found",

"Malformed query \"$ENV{'QUERY_STRING'}\"");

"Malformed query \"$ENV{QUERY_STRING}\"");

}

# get mimetype

Line 1184 sub doCheckout {

Line 1243 sub doCheckout {

$moddate=$date{$symrev{HEAD}};

}

### just for the record:

### 'cvs co' seems to have a bug regarding single checkout of

### directories/files having spaces in it;

Line 1193 sub doCheckout {

Line 1252 sub doCheckout {

# Safely for a child process to read from.

if (! open($fh, "-|")) { # child

open(STDERR, ">&STDOUT"); # Redirect stderr to stdout

exec("cvs", "-d", "$cvsroot", "co", "-p", "$revopt", "$where");

exec("cvs", "-d", $cvsroot, "co", "-p", $revopt, $where);

}

#===================================================================

#Checking out squid/src/ftp.c

#RCS: /usr/src/CVS/squid/src/ftp.c,v

Line 1233 sub doCheckout {

Line 1292 sub doCheckout {

close($fh);

}

sub cvswebMarkup {

sub cvswebMarkup($$$) {

my ($filehandle,$fullname,$revision) = @_;

my ($pathname, $filename);

Line 1243 sub cvswebMarkup {

Line 1302 sub cvswebMarkup {

http_header();

navigateHeader ($scriptwhere, $pathname, $filename, $revision, "view");

navigateHeader($scriptwhere, $pathname, $filename, $revision, "view");

print "<HR noshade>";

print "<table width=\"100%\"><tr><td bgcolor=\"$markupLogColor\">";

print "File: ", &clickablePath($where, 1);

Line 1251 sub cvswebMarkup {

Line 1310 sub cvswebMarkup {

&download_link(urlencode($fileurl), $revision, "(download)");

if (!$defaultTextPlain) {

print " ";

&download_link(urlencode($fileurl), $revision, "(as text)",

"text/plain");

}

print "<BR>\n";

Line 1283 sub cvswebMarkup {

Line 1342 sub cvswebMarkup {

sub viewable($) {

my ($mimetype) = @_;

$mimetype =~ m%^text/% ||

$mimetype =~ m%^(text|image)/%;

$mimetype =~ m%^image/% ||

}

###############################

# Show Colored Diff

###############################

sub doDiff {

sub doDiff($$$$$$) {

my($fullname, $r1, $tr1, $r2, $tr2, $f) = @_;

my $fh = do {local(*FH);};

my ($rev1, $rev2, $sym1, $sym2, @difftype, $diffname, $f1, $f2);

Line 1316 sub doDiff {

Line 1373 sub doDiff {

# reasons ..

if (!($rev1 =~ /^[\d\.]+$/) || !($rev2 =~ /^[\d\.]+$/)) {

&fatal("404 Not Found",

"Malformed query \"$ENV{'QUERY_STRING'}\"");

"Malformed query \"$ENV{QUERY_STRING}\"");

}

# rev1 and rev2 are now both numeric revisions.

Line 1355 sub doDiff {

Line 1412 sub doDiff {

}

# apply special options

if ($human_readable) {

if ($showfunc) {

if ($hr_funout) {

push @difftype, '-p';

my($re1, $re2);

while (($re1, $re2) = each %functionlineregexp) {

while (($re1, $re2) = each %funcline_regexp) {

if ($fullname =~ /$re1/) {

push @difftype, '-F', '$re2';

last;

}

if ($human_readable) {

if ($hr_ignwhite) {

push @difftype, '-w';

}

Line 1376 sub doDiff {

Line 1433 sub doDiff {

}

if (! open($fh, "-|")) { # child

open(STDERR, ">&STDOUT"); # Redirect stderr to stdout

exec("rcsdiff",@difftype,"-r$rev1","-r$rev2",$fullname);

}

if ($human_readable) {

http_header();

Line 1435 sub doDiff {

Line 1492 sub doDiff {

###############################

# Show Logs ..

###############################

sub getDirLogs {

sub getDirLogs($$@) {

my ($cvsroot,$dirname,@otherFiles) = @_;

my ($state,$otherFiles,$tag, $file, $date, $branchpoint, $branch, $log);

my ($rev, $revision, $revwanted, $filename, $head, $author);

Line 1453 sub getDirLogs {

Line 1510 sub getDirLogs {

}

# just execute rlog if there are any files

if ($#files < 0) {

return;

}

if ($tag) {

#can't use -r<tag> as - is allowed in tagnames, but misinterpreated by rlog..

if (! open($fh, "-|")) {

close(STDERR); # rlog may complain; ignore.

open(STDERR, '>/dev/null'); # rlog may complain; ignore.

exec("rlog",@files);

exec('rlog', @files);

}

else {

my $kidpid = open($fh, "-|");

if (! $kidpid) {

close(STDERR); # rlog may complain; ignore.

open(STDERR, '>/dev/null'); # rlog may complain; ignore.

exec("rlog","-r",@files);

exec('rlog', '-r', @files);

}

$state = "start";

Line 1498 again:

Line 1555 again:

}

if ($state eq "head" && /^symbolic names/) {

$state = "tags";

($branch = $head) =~ s/\.\d+$// if (!defined($branch));

$branch =~ s/(\.?)(\d+)$/${1}0.$2/;

$symrev{MAIN} = $branch;

$symrev{HEAD} = $branch;

Line 1596 again:

Line 1653 again:

}

if ($. == 0) {

fatal("500 Internal Error",

"Failed to spawn GNU rlog on <em>'".join(", ", @files)."'</em><p>did you set the <b>\$ENV{PATH}</b> in your configuration file correctly ?");

}

close($fh);

}

sub readLog {

sub readLog($;$) {

my($fullname,$revision) = @_;

my ($symnames, $head, $rev, $br, $brp, $branch, $branchrev);

my $fh = do {local(*FH);};

Line 1865 sub printLog($;$) {

Line 1922 sub printLog($;$) {

}

if (not $defaultTextPlain) {

print " / ";

&download_link($fileurl, $_, "(as text)",

"text/plain");

}

if (!$defaultViewable) {

Line 2006 sub printLog($;$) {

Line 2063 sub printLog($;$) {

print "</PRE>\n";

}

sub doLog {

sub doLog($) {

my($fullname) = @_;

my ($diffrev, $upwhere, $filename, $backurl);

readLog($fullname);

html_header("CVS log for $where");

Line 2018 sub doLog {

Line 2075 sub doLog {

$backurl = $scriptname . "/" . urlencode($upwhere) . $query;

print &link($backicon, "$backurl#$filename"),

" <b>Up to ", &clickablePath($upwhere, 1), "</b><p>\n";

print "<A HREF=\"#diff\">Request diff between arbitrary revisions</A>\n";

print <<EOF;

print "<HR NOSHADE>\n";

<A HREF="#diff">Request diff between arbitrary revisions</A>

EOF

if ($curbranch) {

print "Default branch: ";

print "Default branch: ", ($revsym{$curbranch} || $curbranch);

print ($revsym{$curbranch} || $curbranch);

}

else {

print "No default branch";

Line 2067 sub doLog {

Line 2125 sub doLog {

print "</SELECT>\n";

$diffrev = $revdisplayorder[0];

$diffrev = $input{"r2"} if (defined($input{"r2"}));

print "<INPUT TYPE=\"TEXT\" SIZE=\"$inputTextSize\" NAME=\"tr2\" VALUE=\"$diffrev\" onChange='docuement.diff_select.r2.selectedIndex=0'>\n";

print "<INPUT TYPE=\"TEXT\" SIZE=\"$inputTextSize\" NAME=\"tr2\" VALUE=\"$diffrev\" onChange='document.diff_select.r2.selectedIndex=0'>\n";

print "<BR>Type of Diff should be a ";

printDiffSelect();

printDiffSelect(0);

print "<INPUT TYPE=SUBMIT VALUE=\" Get Diffs \">\n";

print "</FORM>\n";

print "<HR noshade>\n";

Line 2124 sub doLog {

Line 2182 sub doLog {

print "</BODY></HTML>\n";

}

sub flush_diff_rows ($$$$)

sub flush_diff_rows($$$$) {

{

my $j;

my ($leftColRef,$rightColRef,$leftRow,$rightRow) = @_;

if ($state eq "PreChangeRemove") { # we just got remove-lines before

Line 2170 sub human_readable_diff($){

Line 2227 sub human_readable_diff($){

($pathname = $where_nd) =~ s/(Attic\/)?[^\/]*$//;

($scriptwhere_nd = $scriptwhere) =~ s/.diff$//;

navigateHeader ($scriptwhere_nd, $pathname, $filename, $rev, "diff");

navigateHeader($scriptwhere_nd, $pathname, $filename, $rev, "diff");

# Read header to pick up read revision and date, if possible

while (<$fh>) {

Line 2186 sub human_readable_diff($){

Line 2243 sub human_readable_diff($){

$rev2 = $r2r;

$date2 = $r2d;

}

print "<h3 align=center>Diff for /$where_nd between version $rev1 and $rev2</h3>\n";

print "<table border=0 cellspacing=0 cellpadding=0 width=\"100%\">\n";

Line 2216 sub human_readable_diff($){

Line 2273 sub human_readable_diff($){

####

while (<$fh>) {

$difftxt = $_;

if ($difftxt =~ /^@@/) {

($oldline,$newline,$funname) = $difftxt =~ /@@ \-([0-9]+).*\+([0-9]+).*@@(.*)/;

print "<tr bgcolor=\"$diffcolorHeading\"><td width=\"50%\">";

Line 2236 sub human_readable_diff($){

Line 2293 sub human_readable_diff($){

# Add fontface, size

$_ = "$fs $_$fe";

#########

# little state machine to parse unified-diff output (Hen, zeller@think.de)

# in order to get some nice 'ediff'-mode output

Line 2254 sub human_readable_diff($){

Line 2311 sub human_readable_diff($){

$state = "PreChange";

$rightCol[$rightRow++] = $_;

}

elsif ($diffcode eq '-') {

$state = "PreChangeRemove";

$leftCol[$leftRow++] = $_;

Line 2310 sub human_readable_diff($){

Line 2367 sub human_readable_diff($){

print "</tr></table>";

}

sub navigateHeader ($$$$$) {

sub navigateHeader($$$$$) {

my ($swhere,$path,$filename,$rev,$title) = @_;

$swhere = "" if ($swhere eq $scriptwhere);

$swhere = urlencode($filename) if ($swhere eq "");

print "<\!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.0 Transitional//EN\">";

print "<HTML>\n<HEAD>\n";

print '';

print '';

print "\n<TITLE>$path$filename - $title - $rev</TITLE></HEAD>\n";

print "<BODY BGCOLOR=\"$backcolor\">\n";

print "<table width=\"100%\" border=0 cellspacing=0 cellpadding=1 bgcolor=\"$navigationHeaderColor\">";

Line 2324 sub navigateHeader ($$$$$) {

Line 2381 sub navigateHeader ($$$$$) {

print "<a href=\"$swhere$query#rev$rev\">$backicon";

print "</a> <b>Return to ", &link("$filename","$swhere$query#rev$rev")," CVS log";

print "</b> $fileicon</td>";

print "<td align=right>$diricon <b>Up to ", &clickablePath($path, 1), "</b></td>";

print "</tr></table>";

}

sub plural_write ($$)

sub plural_write($$) {

{

my ($num,$text) = @_;

if ($num != 1) {

$text = $text . "s";

Line 2348 sub plural_write ($$)

Line 2404 sub plural_write ($$)

# '..time ago'

# H. Zeller <zeller@think.de>

sub readableTime ($$)

sub readableTime($$) {

{

my ($i, $break, $retval);

my ($secs,$long) = @_;

Line 2367 sub readableTime ($$)

Line 2422 sub readableTime ($$)

31536000, 'year');

my @breaks = sort {$a <=> $b} keys %desc;

$i = 0;

while ($i <= $#breaks && $secs >= 2 * $breaks[$i]) {

$i++;

}

$i--;

$break = $breaks[$i];

$retval = plural_write(int ($secs / $break), $desc{"$break"});

$retval = plural_write(int ($secs / $break), $desc{$break});

if ($long == 1 && $i > 0) {

my $rest = $secs % $break;

$i--;

$break = $breaks[$i];

my $resttime = plural_write(int ($rest / $break),

$desc{"$break"});

$desc{$break});

if ($resttime) {

$retval = $retval . ", " . $resttime;

}

Line 2396 sub readableTime ($$)

Line 2451 sub readableTime ($$)

# basename (last directory/file) is a link as well

sub clickablePath($$) {

my ($pathname,$clickLast) = @_;

my $retval = '';

if ($pathname eq '/') {

# this should never happen - chooseCVSRoot() is

# intended to do this

Line 2412 sub clickablePath($$) {

Line 2467 sub clickablePath($$) {

$retval = $retval . " / ";

$wherepath = $wherepath . '/' . $_;

my ($last) = "$wherepath/" eq "/$pathname"

|| "$wherepath" eq "/$pathname";

|| $wherepath eq "/$pathname";

if ($clickLast || !$last) {

$retval = $retval . "<a href=\"${scriptname}"

. urlencode($wherepath)

Line 2440 sub chooseCVSRoot() {

Line 2495 sub chooseCVSRoot() {

my ($k);

print "<form method=\"GET\" action=\"${scriptwhere}\">\n";

foreach $k (keys %input) {

print "<input type=hidden NAME=$k VALUE=$input{$k}>\n"

if ($input{$k}) && ($k ne "cvsroot");

}

# Form-Elements look wierd in Netscape if the background

Line 2453 sub chooseCVSRoot() {

Line 2508 sub chooseCVSRoot() {

print ">\n";

foreach $k (@foo) {

print "<option value=\"$k\"";

print " selected" if ("$k" eq "$cvstree");

print " selected" if ($k eq $cvstree);

print ">" . ($CVSROOTdescr{"$k"} ? $CVSROOTdescr{"$k"} :

print ">" . ($CVSROOTdescr{$k} ? $CVSROOTdescr{$k} :

$k). "</option>\n";

}

print "</select>\n</td>";

Line 2474 sub chooseMirror() {

Line 2529 sub chooseMirror() {

# and may not be useful for your site; If you don't

# set %MIRRORS this won't show up, anyway

# Should perhaps exlude the current site somehow..

if (keys %MIRRORS) {

print "\nThis cvsweb is mirrored in:\n";

foreach $mirror (keys %MIRRORS) {

Line 2486 sub chooseMirror() {

Line 2541 sub chooseMirror() {

}

sub fileSortCmp {

sub fileSortCmp() {

my ($comp) = 0;

my ($c,$d,$af,$bf);

Line 2517 sub fileSortCmp {

Line 2572 sub fileSortCmp {

}

# make A url for downloading

sub download_url {

sub download_url($$;$) {

my ($url,$revision,$mimetype) = @_;

$revision =~ s/\b0\.//;

Line 2534 sub download_url {

Line 2589 sub download_url {

return $url;

}

# Presents a link to download the

# selected revision

sub download_link {

sub download_link($$$;$) {

my ($url,$revision,$textlink,$mimetype) = @_;

my ($fullurl) = download_url($url,$revision,$mimetype);

my ($paren) = $textlink =~ /^\(/;

Line 2608 sub toggleQuery($$) {

Line 2663 sub toggleQuery($$) {

return "";

}

sub urlencode {

sub urlencode($) {

my ($in) = @_;

my ($out);

($out = $in) =~ s/([\000-+{-\377])/sprintf("%%%02x", ord($1))/ge;

return $out;

}

sub http_header {

sub http_header(;$) {

my $content_type = shift || "text/html";

my $is_mod_perl = defined($ENV{'MOD_PERL'});

if (defined($moddate)) {

if ($is_mod_perl) {

Apache->request->header_out(Last_modified => scalar gmtime($moddate) . " GMT");

}

else {

print "Last-Modified: " . scalar gmtime($moddate) . " GMT\n";

print "Last-Modified: " . scalar gmtime($moddate) . " GMT\r\n";

}

if ($is_mod_perl) {

Apache->request->content_type($content_type);

}

else {

print "Content-type: $content_type\n";

print "Content-type: $content_type\r\n";

}

if ($allow_compress && $maycompress) {

my $fh = do {local(*FH);};

Line 2641 sub http_header {

Line 2695 sub http_header {

Apache->request->send_http_header;

}

else {

print "Content-encoding: x-gzip\n";

print "Content-encoding: x-gzip\r\n";

print "Vary: Accept-Encoding\n"; #RFC 2068, 14.43

print "Vary: Accept-Encoding\r\n"; #RFC 2068, 14.43

print "\n"; # Close headers

print "\r\n"; # Close headers

}

$| = 1; $| = 0; # Flush header output

select ($fh);

Line 2654 sub http_header {

Line 2708 sub http_header {

Apache->request->send_http_header;

}

else {

print "\n"; # Close headers

print "\r\n"; # Close headers

}

print "<font size=-1>Unable to find gzip binary in the \$PATH to compress output</font><br>";

}

Line 2664 sub http_header {

Line 2718 sub http_header {

Apache->request->send_http_header;

}

else {

print "\n"; # Close headers

print "\r\n"; # Close headers

}

sub html_header($) {

my ($title) = @_;

my $version = '$Revision$';

my $version = '$zRevision: 1.94 $ $Revision$'; #'

http_header();

print <<EOH;

<!doctype html public "-//W3C//DTD HTML 4.0 Transitional//EN"

"http://www.w3.org/TR/REC-html40/loose.dtd">

<html>

<title>$title</title>

</head>

$body_tag

$logo <h1 align="center">$title</h1>

EOH

}

sub html_footer {

sub html_footer() {

return "<hr noshade><address>$address</address>\n";

}

sub link_tags

sub link_tags($) {

{

my ($tags) = @_;

my ($ret) = "";

my ($fileurl,$filename);

Line 2709 sub link_tags

Line 2762 sub link_tags

# See if a module is listed in the config file's @HideModule list.

sub forbidden_module {

sub forbidden_module($) {

my($module) = @_;

for (my $i=0; $i < @HideModules; $i++) {

return 1 if $module eq $HideModules[$i];

}

CVSweb