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doc/en/cgi/cvsweb.cgi

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#!/usr/bin/perl -s
#
# cvsweb - a CGI interface to the CVS tree.
#
# Written by Bill Fenner <fenner@parc.xerox.com> on his own time.
# Insert BSD copyright here.
#
#HTTP_USER_AGENT: Mozilla/1.1N (X11; I; SunOS 4.1.3_U1 sun4m) via proxy gateway CERN-HTTPD/3.0 libwww/2.17
#SERVER_NAME: www.freebsd.org
#QUERY_STRING: baz
#SCRIPT_FILENAME: /usr/local/www/cgi-bin/env.pl
#SERVER_PORT: 80
#HTTP_ACCEPT: */*, image/gif, image/x-xbitmap, image/jpeg
#SERVER_PROTOCOL: HTTP/1.0
#HTTP_COOKIE: s=beta26429821397802167
#PATH_INFO: /foo/bar
#REMOTE_ADDR: 13.1.64.94
#DOCUMENT_ROOT: /usr/local/www/data/
#PATH: /sbin:/bin:/usr/sbin:/usr/bin
#PATH_TRANSLATED: /usr/local/www/data//foo/bar
#GATEWAY_INTERFACE: CGI/1.1
#REQUEST_METHOD: GET
#SCRIPT_NAME: /cgi-bin/env.pl
#SERVER_SOFTWARE: Apache/1.0.0
#REMOTE_HOST: beta.xerox.com
#SERVER_ADMIN: webmaster@freebsd.org
#
require 'timelocal.pl';
require 'ctime.pl';
$hsty_base = "";
require 'cgi-style.pl';
#&get_the_source;
%CVSROOT = (
'freebsd', '/home/ncvs',
'openbsd', '/home/OpenBSD/cvs',
'learn', '/c/learncvs',
'mozilla', '/a/mozilla-cvs',
);
$cvstreedefault = 'freebsd';
$cvstree = $cvstreedefault;
$cvsroot = $CVSROOT{"$cvstree"} || "/home/ncvs";
$intro = "
This is a WWW interface to the FreeBSD CVS tree.
You can browse the file hierarchy by picking directories
(which have slashes after them, e.g. <b>src/</b>).
If you pick a file, you will see the revision history
for that file.
Selecting a revision number will download that revision of
the file. There is a link at each revision to display
diffs between that revision and the previous one, and
a form at the bottom of the page that allows you to
display diffs between arbitrary revisions.
<p>
If you would like to use this CGI script on your own web server and
CVS tree, see <A HREF=\"http://www.freebsd.org/~fenner/cvsweb/\">
the CVSWeb distribution site</A>.
<p>
Please send any suggestions, comments, etc. to
<A HREF=\"mailto:fenner\@freebsd.org\">Bill Fenner &lt;fenner\@freebsd.org&gt;</A>
";
$shortinstr = "
Click on a directory to enter that directory. Click on a file to display
its revision history and to get a
chance to display diffs between revisions.
";
$verbose = $v;
($where = $ENV{'PATH_INFO'}) =~ s|^/||;
$where =~ s|/$||;
($scriptname = $ENV{'SCRIPT_NAME'}) =~ s|^/?|/|;
$scriptname =~ s|/$||;
$scriptwhere = $scriptname . '/' . $where;
$scriptwhere =~ s|/$||;
if ($query = $ENV{'QUERY_STRING'}) {
foreach (split(/&/, $query)) {
s/%(..)/sprintf("%c", hex($1))/ge; # unquote %-quoted
if (/(\S+)=(.*)/) {
$input{$1} = $2;
} else {
$input{$_}++;
}
}
$query = "?" . $query;
}
$config = '/usr/local/etc/cvsweb';
do "$config" if -f $config;
if ($input{'cvsroot'}) {
if ($CVSROOT{$input{'cvsroot'}}) {
$cvstree = $input{'cvsroot'};
$cvsroot = $CVSROOT{"$cvstree"};
}
}
do "$config-$cvstree" if -f "$config-$cvstree";
$fullname = $cvsroot . '/' . $where;
if (!-d $cvsroot) {
&fatal("500 Internal Error",'$CVSROOT not found!<P>The server on which the CVS tree lives is probably down. Please try again in a few minutes.');
}
if (-d $fullname) {
opendir(DIR, $fullname) || &fatal("404 Not Found","$where: $!");
@dir = readdir(DIR);
closedir(DIR);
if ($where eq '') {
print &html_header("FreeBSD CVS Repository");
print $intro;
} else {
print &html_header("/$where");
print $shortinstr;
}
print "<p>Current directory: <b>/$where</b>\n";
print "<P><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.
print "<MENU>\n";
lookingforattic:
for ($i = 0; $i <= $#dir; $i++) {
if ($dir[$i] eq "Attic") {
last lookingforattic;
}
}
$haveattic = 1 if ($i <= $#dir);
if (!$input{"showattic"} && ($i <= $#dir) &&
opendir(DIR, $fullname . "/Attic")) {
splice(@dir, $i, 1,
grep((s|^|Attic/|,!m|/\.|), readdir(DIR)));
closedir(DIR);
}
# Sort without the Attic/ pathname.
foreach (sort {($c=$a)=~s|.*/||;($d=$b)=~s|.*/||;($c cmp $d)} @dir) {
if ($_ eq '.') {
next;
}
if (s|^Attic/||) {
$attic = " (in the Attic)";
} else {
$attic = "";
}
if ($_ eq '..') {
next if ($where eq '');
($updir = $scriptwhere) =~ s|[^/]+$||;
print "<IMG SRC=\"/icons/back.gif\"> ",
&link("Previous Directory",$updir . $query), "<BR>";
# print "<IMG SRC=???> ",
# &link("Directory-wide diffs", $scriptwhere . '/*'), "<BR>";
} elsif (-d $fullname . "/" . $_) {
print "<IMG SRC=\"/icons/dir.gif\"> ",
&link($_ . "/", $scriptwhere . '/' . $_ . '/' . $query),
$attic, "<BR>";
} elsif (s/,v$//) {
# TODO: add date/time? How about sorting?
print "<IMG SRC=\"/icons/text.gif\"> ",
&link($_, $scriptwhere . '/' .
($attic ? "Attic/" : "") . $_ . $query),
$attic, "<BR>";
}
}
print "</MENU>\n";
if ($input{"only_on_branch"}) {
print "<HR><FORM METHOD=\"GET\" ACTION=\"${scriptwhere}\">\n";
print "Currently showing only branch $input{'only_on_branch'}.\n";
$input{"only_on_branch"}="";
foreach $k (keys %input) {
print "<INPUT TYPE=hidden NAME=$k VALUE=$input{$k}>\n" if $input{$k};
}
print "<INPUT TYPE=SUBMIT VALUE=\"Show all branches\">\n";
print "</FORM>\n";
}
$formwhere = $scriptwhere;
$formwhere =~ s|Attic/?$|| if ($input{"showattic"});
if ($haveattic) {
print "<HR><FORM METHOD=\"GET\" ACTION=\"${formwhere}\">\n";
$input{"showattic"}=!$input{"showattic"};
foreach $k (keys %input) {
print "<INPUT TYPE=hidden NAME=$k VALUE=$input{$k}>\n" if $input{$k};
}
print "<INPUT TYPE=SUBMIT VALUE=\"";
print ($input{"showattic"} ? "Show" : "Hide");
print " attic directories\">\n";
print "</FORM>\n";
}
print &html_footer;
print "</BODY></HTML>\n";
} elsif (-f $fullname . ',v') {
if ($input{'rev'} =~ /^[\d\.]+$/) {
&checkout($fullname, $input{'rev'});
exit;
}
if ($input{'r1'} && $input{'r2'}) {
&dodiff($fullname, $input{'r1'}, $input{'tr1'},
$input{'r2'}, $input{'tr2'}, $input{'f'});
exit;
}
print("going to dolog($fullname)\n") if ($verbose);
&dolog($fullname);
} elsif ($fullname =~ s/\.diff$// && -f $fullname . ",v" &&
$input{'r1'} && $input{'r2'}) {
# Allow diffs using the ".diff" extension
# so that browsers that default to the URL
# for a save filename don't save diff's as
# e.g. foo.c
&dodiff($fullname, $input{'r1'}, $input{'tr1'},
$input{'r2'}, $input{'tr2'}, $input{'f'});
exit;
} elsif (($newname = $fullname) =~ s|/([^/]+)$|/Attic/$1| &&
-f $newname . ",v") {
# The file has been removed and is in the Attic.
# Send a redirect pointing to the file in the Attic.
($newplace = $scriptwhere) =~ s|/([^/]+)$|/Attic/$1|;
&redirect($newplace);
exit;
} elsif (0 && (@files = &safeglob($fullname . ",v"))) {
print "Content-type: text/plain\n\n";
print "You matched the following files:\n";
print join("\n", @files);
# Find the tags from each file
# Display a form offering diffs between said tags
} else {
# Assume it's a module name with a potential path following it.
$xtra = $& if (($module = $where) =~ s|/.*||);
# Is there an indexed version of modules?
if (open(MODULES, "$cvsroot/CVSROOT/modules")) {
while (<MODULES>) {
if (/^(\S+)\s+(\S+)/o && $module eq $1
&& -d "${cvsroot}/$2" && $module ne $2) {
&redirect($scriptname . '/' . $2 . $xtra);
}
}
}
&fatal("404 Not Found","$where: no such file or directory");
}
sub htmlify {
local($string, $pr) = @_;
$string =~ s/&/&amp;/g;
$string =~ s/</&lt;/g;
$string =~ s/>/&gt;/g;
if ($pr) {
$string =~ s|\bpr(\W+[a-z]+/\W*)(\d+)|<A HREF=/cgi/query-pr.cgi?pr=$2>$&</A>|ig;
}
$string;
}
sub link {
local($name, $where) = @_;
"<A HREF=\"$where\">$name</A>\n";
}
sub revcmp {
local($rev1, $rev2) = @_;
local(@r1) = split(/\./, $rev1);
local(@r2) = split(/\./, $rev2);
local($a,$b);
while (($a = shift(@r1)) && ($b = shift(@r2))) {
if ($a != $b) {
return $a <=> $b;
}
}
if (@r1) { return 1; }
if (@r2) { return -1; }
return 0;
}
sub fatal {
local($errcode, $errmsg) = @_;
print "Status: $errcode\n";
print &html_header("Error");
# print "Content-type: text/html\n";
# print "\n";
# print "<HTML><HEAD><TITLE>Error</TITLE></HEAD>\n";
# print "<BODY>Error: $errmsg</BODY></HTML>\n";
print "Error: $errmsg\n";
print &html_footer;
exit(1);
}
sub redirect {
local($url) = @_;
print "Status: 301 Moved\n";
print "Location: $url\n";
print &html_header("Moved");
# print "Content-type: text/html\n";
# print "\n";
# print "<HTML><HEAD><TITLE>Moved</TITLE></HEAD>\n";
# print "<BODY>This document is located <A HREF=$url>here</A>.</BODY></HTML>\n";
print "This document is located <A HREF=$url>here</A>.\n";
print &html_footer;
exit(1);
}
sub safeglob {
local($filename) = @_;
local($dirname);
local(@results);
($dirname = $filename) =~ s|/[^/]+$||;
$filename =~ s|.*/||;
if (opendir(DIR, $dirname)) {
$glob = $filename;
# transform filename from glob to regex. Deal with:
# [, {, ?, * as glob chars
# make sure to escape all other regex chars
$glob =~ s/([\.\(\)\|\+])/\\$1/g;
$glob =~ s/\*/.*/g;
$glob =~ s/\?/./g;
$glob =~ s/{([^}]+)}/($t = $1) =~ s-,-|-g; "($t)"/eg;
foreach (readdir(DIR)) {
if (/^${glob}$/) {
push(@results, $dirname . "/" .$_);
}
}
}
@results;
}
sub checkout {
local($fullname, $rev) = @_;
open(RCS, "co -p$rev '$fullname' 2>&1 |") ||
&fail("500 Internal Error", "Couldn't co: $!");
# /home/ncvs/src/sys/netinet/igmp.c,v --> standard output
# or
# /home/ncvs/src/sys/netinet/igmp.c,v --> stdout
# revision 1.1.1.2
# /*
$_ = <RCS>;
if (/^(\S+),v\s+-->\s+st(andar)?d ?out(put)?\s*$/o && $1 eq $fullname) {
# As expected
} else {
&fatal("500 Internal Error",
"Unexpected output from co: $_");
}
$_ = <RCS>;
if (/^revision\s+$rev\s*$/) {
# As expected
} else {
&fatal("500 Internal Error",
"Unexpected output from co: $_");
}
$| = 1;
print "Content-type: text/plain\n\n";
print <RCS>;
close(RCS);
}
sub dodiff {
local($fullname, $r1, $tr1, $r2, $tr2, $f) = @_;
if ($r1 =~ /([^:]+)(:(.+))?/) {
$rev1 = $1;
$sym1 = $3;
}
if ($rev1 eq 'text') {
$rev1 = $tr1;
}
if ($r2 =~ /([^:]+)(:(.+))?/) {
$rev2 = $1;
$sym2 = $3;
}
if ($rev2 eq 'text') {
$rev2 = $tr2;
}
if (!($rev1 =~ /^[\d\.]+$/) || !($rev2 =~ /^[\d\.]+$/)) {
&fatal("404 Not Found",
"Malformed query \"$ENV{'QUERY_STRING'}\"");
}
#
# rev1 and rev2 are now both numeric revisions.
# Thus we do a DWIM here and swap them if rev1 is after rev2.
# XXX should we warn about the fact that we do this?
if (&revcmp($rev1,$rev2) > 0) {
($tmp1, $tmp2) = ($rev1, $sym1);
($rev1, $sym1) = ($rev2, $sym2);
($rev2, $sym2) = ($tmp1, $tmp2);
}
#
# XXX Putting '-p' here is a personal preference
if ($f eq 'c') {
$difftype = '-p -c';
$diffname = "Context diff";
} elsif ($f eq 's') {
$difftype = '--side-by-side --width=164';
$diffname = "Side by Side";
} else {
$difftype = '-p -u';
$diffname = "Unidiff";
}
# XXX should this just be text/plain
# or should it have an HTML header and then a <pre>
print "Content-type: text/plain\n\n";
open(RCSDIFF, "rcsdiff $difftype -r$rev1 -r$rev2 '$fullname' 2>&1 |") ||
&fail("500 Internal Error", "Couldn't rcsdiff: $!");
#
#===================================================================
#RCS file: /home/ncvs/src/sys/netinet/tcp_output.c,v
#retrieving revision 1.16
#retrieving revision 1.17
#diff -c -r1.16 -r1.17
#*** /home/ncvs/src/sys/netinet/tcp_output.c 1995/11/03 22:08:08 1.16
#--- /home/ncvs/src/sys/netinet/tcp_output.c 1995/12/05 17:46:35 1.17
#
# Ideas:
# - nuke the stderr output if it's what we expect it to be
# - Add "no differences found" if the diff command supplied no output.
#
#*** src/sys/netinet/tcp_output.c 1995/11/03 22:08:08 1.16
#--- src/sys/netinet/tcp_output.c 1995/12/05 17:46:35 1.17 RELENG_2_1_0
# (bogus example, but...)
#
if ($difftype eq '-u') {
$f1 = '---';
$f2 = '\+\+\+';
} else {
$f1 = '\*\*\*';
$f2 = '---';
}
while (<RCSDIFF>) {
if (m|^$f1 $cvsroot|o) {
s|$cvsroot/||o;
if ($sym1) {
chop;
$_ .= " " . $sym1 . "\n";
}
} elsif (m|^$f2 $cvsroot|o) {
s|$cvsroot/||o;
if ($sym2) {
chop;
$_ .= " " . $sym2 . "\n";
}
}
print $_;
}
close(RCSDIFF);
}
sub dolog {
local($fullname) = @_;
local($curbranch,$symnames); #...
print("Going to rlog '$fullname'\n") if ($verbose);
open(RCS, "rlog '$fullname'|") || &fatal("500 Internal Error",
"Failed to spawn rlog");
while (<RCS>) {
print if ($verbose);
if (/^branch:\s+([\d\.]+)/) {
$curbranch = $1;
}
if ($symnames) {
if (/^\s+([^:]+):\s+([\d\.]+)/) {
$symrev{$1} = $2;
if ($revsym{$2}) {
$revsym{$2} .= ", ";
}
$revsym{$2} .= $1;
} else {
$symnames = 0;
}
} elsif (/^symbolic names/) {
$symnames = 1;
} elsif (/^-----/) {
last;
}
}
if ($onlyonbranch = $input{'only_on_branch'}) {
($onlyonbranch = $symrev{$onlyonbranch}) =~ s/\.0\././;
($onlybranchpoint = $onlyonbranch) =~ s/\.\d+$//;
}
# each log entry is of the form:
# ----------------------------
# revision 3.7.1.1
# date: 1995/11/29 22:15:52; author: fenner; state: Exp; lines: +5 -3
# log info
# ----------------------------
logentry:
while (!/^=========/) {
$_ = <RCS>;
last logentry if (!defined($_)); # EOF
print "R:", $_ if ($verbose);
if (/^revision ([\d\.]+)/) {
$rev = $1;
} elsif (/^========/ || /^----------------------------$/) {
next logentry;
} else {
# The rlog output is syntactically ambiguous. We must
# have guessed wrong about where the end of the last log
# message was.
# Since this is likely to happen when people put rlog output
# in their commit messages, don't even bother keeping
# these lines since we don't know what revision they go with
# any more.
next logentry;
# &fatal("500 Internal Error","Error parsing RCS output: $_");
}
$_ = <RCS>;
print "D:", $_ if ($verbose);
if (m|^date:\s+(\d+)/(\d+)/(\d+)\s+(\d+):(\d+):(\d+);\s+author:\s+(\S+);\s+state:\s+(\S+);|) {
$yr = $1;
# damn 2-digit year routines
if ($yr > 100) {
$yr -= 1900;
}
$date{$rev} = &timelocal($6,$5,$4,$3,$2 - 1,$yr);
$author{$rev} = $7;
$state{$rev} = $8;
} else {
&fatal("500 Internal Error", "Error parsing RCS output: $_");
}
line:
while (<RCS>) {
print "L:", $_ if ($verbose);
next line if (/^branches:\s/);
last line if (/^----------------------------$/ || /^=========/);
$log{$rev} .= $_;
}
print "E:", $_ if ($verbose);
}
close(RCS);
print "Done reading RCS file\n" if ($verbose);
#
# Sort the revisions into commit-date order.
@revorder = sort {$date{$b} <=> $date{$a}} keys %date;
print "Done sorting revisions\n" if ($verbose);
#
# HEAD is an artificial tag which is simply the highest tag number on the main
# branch, unless there is a branch tag in the RCS file in which case it's the
# highest revision on that branch. Find it by looking through @revorder; it
# is the first commit listed on the appropriate branch.
$headrev = $curbranch || "1";
revision:
for ($i = 0; $i <= $#revorder; $i++) {
if ($revorder[$i] =~ /^(\S*)\.\d+$/ && $headrev eq $1) {
if ($revsym{$revorder[$i]}) {
$revsym{$revorder[$i]} .= ", ";
}
$revsym{$revorder[$i]} .= "HEAD";
$symrev{"HEAD"} = $revorder[$i];
last revision;
}
}
print "Done finding HEAD\n" if ($verbose);
#
# Now that we know all of the revision numbers, we can associate
# absolute revision numbers with all of the symbolic names, and
# pass them to the form so that the same association doesn't have
# to be built then.
#
# should make this a case-insensitive sort
foreach (sort keys %symrev) {
$rev = $symrev{$_};
if ($rev =~ /^(\d+(\.\d+)+)\.0\.(\d+)$/) {
push(@branchnames, $_);
#
# A revision number of A.B.0.D really translates into
# "the highest current revision on branch A.B.D".
#
# If there is no branch A.B.D, then it translates into
# the head A.B .
#
$head = $1;
$branch = $3;
$regex = $head . "." . $branch;
$regex =~ s/\./\./g;
# <
# \____/
$rev = $head;
revision:
foreach $r (@revorder) {
if ($r =~ /^${regex}/) {
$rev = $head . "." . $branch;
last revision;
}
}
$revsym{$rev} .= ", " if ($revsym{$rev});
$revsym{$rev} .= $_;
if ($rev ne $head) {
$branchpoint{$head} .= ", " if ($branchpoint{$head});
$branchpoint{$head} .= $_;
}
}
$sel .= "<OPTION VALUE=\"${rev}:${_}\">$_\n";
}
print "Done associating revisions with branches\n" if ($verbose);
print &html_header("CVS log for $where");
($upwhere = $where) =~ s|(Attic/)?[^/]+$||;
print "Up to ", &link($upwhere,$scriptname . "/" . $upwhere . $query);
print "<BR>\n";
print "<A HREF=\"#diff\">Request diff between arbitrary revisions</A>\n";
print "<HR NOSHADE>\n";
if ($curbranch) {
print "Default branch is ";
print ($revsym{$curbranch} || $curbranch);
} else {
print "No default branch";
}
print "<BR><HR NOSHADE>\n";
# The other possible U.I. I can see is to have each revision be hot
# and have the first one you click do ?r1=foo
# and since there's no r2 it keeps going & the next one you click
# adds ?r2=foo and performs the query.
# I suppose there's no reason we can't try both and see which one
# people prefer...
for ($i = 0; $i <= $#revorder; $i++) {
$_ = $revorder[$i];
($br = $_) =~ s/\.\d+$//;
next if ($onlyonbranch && $br ne $onlyonbranch &&
$_ ne $onlybranchpoint);
print "<a NAME=\"rev$_\"></a>";
foreach $sym (split(", ", $revsym{$_})) {
print "<a NAME=\"$sym\"></a>";
}
if ($revsym{$br} && !$nameprinted{$br}) {
foreach $sym (split(", ", $revsym{$br})) {
print "<a NAME=\"$sym\"></a>";
}
$nameprinted{$br}++;
}
print "\n";
print "<A HREF=\"$scriptwhere?rev=$_" .
&cvsroot . "\"><b>$_</b></A>";
if (/^1\.1\.1\.\d+$/) {
print " <i>(vendor branch)</i>";
}
print " <i>" . &ctime($date{$_}) . " UTC</i> by ";
print "<i>" . $author{$_} . "</i>\n";
if ($revsym{$_}) {
print "<BR>CVS Tags: <b>$revsym{$_}</b>";
}
if ($revsym{$br}) {
if ($revsym{$_}) {
print "; ";
} else {
print "<BR>";
}
print "Branch: <b>$revsym{$br}</b>\n";
}
if ($branchpoint{$_}) {
if ($revsym{$br} || $revsym{$_}) {
print "; ";
} else {
print "<BR>";
}
print "Branch point for: <b>$branchpoint{$_}</b>\n";
}
# Find the previous revision on this branch.
@prevrev = split(/\./, $_);
if (--$prevrev[$#prevrev] == 0) {
# If it was X.Y.Z.1, just make it X.Y
if ($#prevrev > 1) {
pop(@prevrev);
pop(@prevrev);
} else {
# It was rev 1.1 (XXX does CVS use revisions
# greater than 1.x?)
if ($prevrev[0] != 1) {
print "<i>* I can't figure out the previous revision! *</i>\n";
}
}
}
if ($prevrev[$#prevrev] != 0) {
$prev = join(".", @prevrev);
print "<BR><A HREF=\"${scriptwhere}.diff?r1=$prev";
print "&r2=$_" . &cvsroot . "\">Diffs to $prev</A>\n";
#
# Plus, if it's on a branch, and it's not a vendor branch,
# offer to diff with the immediately-preceding commit if it
# is not the previous revision as calculated above
# and if it is on the HEAD (or at least on a higher branch)
# (e.g. change gets committed and then brought
# over to -stable)
if (!/^1\.1\.1\.\d+$/ && ($i != $#revorder) &&
($prev ne $revorder[$i+1])) {
@tmp1 = split(/\./, $revorder[$i+1]);
@tmp2 = split(/\./, $_);
if ($#tmp1 < $#tmp2) {
print "; <A HREF=\"${scriptwhere}.diff?r1=$revorder[$i+1]";
print "&r2=$_" . &cvsroot .
"\">Diffs to $revorder[$i+1]</A>\n";
}
}
}
if ($state{$_} eq "dead") {
print "<BR><B><I>FILE REMOVED</I></B>\n";
}
print "<PRE>\n";
print &htmlify($log{$_}, 1);
print "</PRE><HR NOSHADE>\n";
}
print "<A NAME=diff>\n";
print "This form allows you to request diff's between any two\n";
print "revisions of a file. You may select a symbolic revision\n";
print "name using the selection box or you may type in a numeric\n";
print "name using the type-in text box.\n";
print "</A><P>\n";
print "<FORM METHOD=\"GET\" ACTION=\"${scriptwhere}.diff\">\n";
print "<INPUT TYPE=HIDDEN NAME=\"cvsroot\" VALUE=\"$cvstree\">\n"
if &cvsroot;
print "Diffs between \n";
print "<SELECT NAME=\"r1\">\n";
print "<OPTION VALUE=\"text\" SELECTED>Use Text Field\n";
print $sel;
print "</SELECT>\n";
print "<INPUT TYPE=\"TEXT\" NAME=\"tr1\" VALUE=\"$revorder[$#revorder]\">\n";
print " and \n";
print "<SELECT NAME=\"r2\">\n";
print "<OPTION VALUE=\"text\" SELECTED>Use Text Field\n";
print $sel;
print "</SELECT>\n";
print "<INPUT TYPE=\"TEXT\" NAME=\"tr2\" VALUE=\"$revorder[0]\">\n";
print "<BR><INPUT TYPE=RADIO NAME=\"f\" VALUE=u CHECKED>Unidiff<br>\n";
print "<INPUT TYPE=RADIO NAME=\"f\" VALUE=c>Context diff<br>\n";
print "<INPUT TYPE=RADIO NAME=\"f\" VALUE=s>Side-by-Side<br>\n";
print "<INPUT TYPE=SUBMIT VALUE=\"Get Diffs\">\n";
print "</FORM>\n";
print "<HR noshade>\n";
print "<A name=branch>\n";
print "You may select to see revision information from only\n";
print "a single branch.\n";
print "</A><P>\n";
print "<FORM METHOD=\"GET\" ACTION=\"$scriptwhere\">\n";
print qq{<input type=hidden name=cvsroot value=$cvstree>\n}
if &cvsroot;
print "Branch: \n";
print "<SELECT NAME=\"only_on_branch\">\n";
print "<OPTION VALUE=\"\"";
print " SELECTED" if ($input{"only_on_branch"} eq "");
print ">Show all branches\n";
foreach (sort @branchnames) {
print "<OPTION";
print " SELECTED" if ($input{"only_on_branch"} eq $_);
print ">${_}\n";
}
print "</SELECT>\n";
print "<INPUT TYPE=SUBMIT VALUE=\"View Branch\">\n";
print "</FORM>\n";
print &html_footer;
print "</BODY></HTML>\n";
}
sub cvsroot {
return '' if $cvstree eq $cvstreedefault;
return "&cvsroot=" . $cvstree;
}
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