Annotation of cvsweb/cvsweb.cgi, Revision 1.23
1.1 jfieber 1: #!/usr/bin/perl -s
2: #
3: # cvsweb - a CGI interface to the CVS tree.
4: #
5: # Written by Bill Fenner <fenner@parc.xerox.com> on his own time.
6: #
1.21 wosch 7: # Copyright (c) 1996-1998 Bill Fenner
8: # All rights reserved.
9: #
10: # Redistribution and use in source and binary forms, with or without
11: # modification, are permitted provided that the following conditions
12: # are met:
13: # 1. Redistributions of source code must retain the above copyright
14: # notice, this list of conditions and the following disclaimer.
15: # 2. Redistributions in binary form must reproduce the above copyright
16: # notice, this list of conditions and the following disclaimer in the
17: # documentation and/or other materials provided with the distribution.
18: #
19: # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20: # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21: # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22: # ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23: # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24: # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25: # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26: # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27: # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28: # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29: # SUCH DAMAGE.
30: #
1.23 ! wosch 31: # $fId: cvsweb.cgi,v 1.22 1998/08/13 10:35:26 wosch Exp $
1.21 wosch 32: #
33:
34:
1.1 jfieber 35: #HTTP_USER_AGENT: Mozilla/1.1N (X11; I; SunOS 4.1.3_U1 sun4m) via proxy gateway CERN-HTTPD/3.0 libwww/2.17
36: #SERVER_NAME: www.freebsd.org
37: #QUERY_STRING: baz
38: #SCRIPT_FILENAME: /usr/local/www/cgi-bin/env.pl
39: #SERVER_PORT: 80
40: #HTTP_ACCEPT: */*, image/gif, image/x-xbitmap, image/jpeg
41: #SERVER_PROTOCOL: HTTP/1.0
42: #HTTP_COOKIE: s=beta26429821397802167
43: #PATH_INFO: /foo/bar
44: #REMOTE_ADDR: 13.1.64.94
45: #DOCUMENT_ROOT: /usr/local/www/data/
46: #PATH: /sbin:/bin:/usr/sbin:/usr/bin
47: #PATH_TRANSLATED: /usr/local/www/data//foo/bar
48: #GATEWAY_INTERFACE: CGI/1.1
49: #REQUEST_METHOD: GET
50: #SCRIPT_NAME: /cgi-bin/env.pl
51: #SERVER_SOFTWARE: Apache/1.0.0
52: #REMOTE_HOST: beta.xerox.com
53: #SERVER_ADMIN: webmaster@freebsd.org
54: #
55: require 'timelocal.pl';
56: require 'ctime.pl';
57:
1.2 jfieber 58: $hsty_base = "";
59: require 'cgi-style.pl';
1.11 wosch 60: #&get_the_source;
1.2 jfieber 61:
1.10 wosch 62: %CVSROOT = (
63: 'freebsd', '/home/ncvs',
64: 'learn', '/c/learncvs',
1.15 wosch 65: 'mozilla', '/a/mozilla-cvs',
1.10 wosch 66: );
67:
1.16 wosch 68: %CVSROOTdescr = (
69: 'freebsd', 'FreeBSD',
70: 'learn', 'Learn',
71: 'mozilla', 'Mozilla FreeBSD',
72: );
73:
1.10 wosch 74: $cvstreedefault = 'freebsd';
75: $cvstree = $cvstreedefault;
76: $cvsroot = $CVSROOT{"$cvstree"} || "/home/ncvs";
77:
78:
1.1 jfieber 79: $intro = "
80: This is a WWW interface to the FreeBSD CVS tree.
81: You can browse the file hierarchy by picking directories
82: (which have slashes after them, e.g. <b>src/</b>).
83: If you pick a file, you will see the revision history
84: for that file.
85: Selecting a revision number will download that revision of
86: the file. There is a link at each revision to display
87: diffs between that revision and the previous one, and
88: a form at the bottom of the page that allows you to
89: display diffs between arbitrary revisions.
90: <p>
1.7 fenner 91: If you would like to use this CGI script on your own web server and
92: CVS tree, see <A HREF=\"http://www.freebsd.org/~fenner/cvsweb/\">
1.17 wosch 93: the CVSWeb distribution site</A> or the <a
94: href=\"http://www.freebsd.org/cgi/cvsweb.cgi/www/data/cgi/cvsweb.cgi\">current</a> FreeBSD version.
1.7 fenner 95: <p>
1.1 jfieber 96: Please send any suggestions, comments, etc. to
1.10 wosch 97: <A HREF=\"mailto:fenner\@freebsd.org\">Bill Fenner <fenner\@freebsd.org></A>
1.1 jfieber 98: ";
99: $shortinstr = "
100: Click on a directory to enter that directory. Click on a file to display
101: its revision history and to get a
102: chance to display diffs between revisions.
103: ";
104:
105: $verbose = $v;
106: ($where = $ENV{'PATH_INFO'}) =~ s|^/||;
107: $where =~ s|/$||;
108: ($scriptname = $ENV{'SCRIPT_NAME'}) =~ s|^/?|/|;
109: $scriptname =~ s|/$||;
110: $scriptwhere = $scriptname . '/' . $where;
111: $scriptwhere =~ s|/$||;
112:
1.9 fenner 113: if ($query = $ENV{'QUERY_STRING'}) {
114: foreach (split(/&/, $query)) {
1.7 fenner 115: s/%(..)/sprintf("%c", hex($1))/ge; # unquote %-quoted
116: if (/(\S+)=(.*)/) {
117: $input{$1} = $2;
118: } else {
119: $input{$_}++;
120: }
121: }
1.9 fenner 122: $query = "?" . $query;
1.7 fenner 123: }
1.10 wosch 124:
125:
1.11 wosch 126: $config = '/usr/local/etc/cvsweb';
127: do "$config" if -f $config;
1.10 wosch 128:
129: if ($input{'cvsroot'}) {
130: if ($CVSROOT{$input{'cvsroot'}}) {
131: $cvstree = $input{'cvsroot'};
132: $cvsroot = $CVSROOT{"$cvstree"};
133: }
134: }
1.11 wosch 135: do "$config-$cvstree" if -f "$config-$cvstree";
1.10 wosch 136:
137: $fullname = $cvsroot . '/' . $where;
1.12 fenner 138:
1.10 wosch 139: if (!-d $cvsroot) {
1.12 fenner 140: &fatal("500 Internal Error",'$CVSROOT not found!<P>The server on which the CVS tree lives is probably down. Please try again in a few minutes.');
1.10 wosch 141: }
142:
143:
1.16 wosch 144: {
145: local(@foo, $i);
146: local($scriptname) = $ENV{'SCRIPT_NAME'};
1.23 ! wosch 147: foreach (sort keys %CVSROOT) {
1.16 wosch 148: if (-d $CVSROOT{$_}) {
149: push(@foo, $_);
150: }
151: }
152: if ($#foo > 1) {
153: $intro .= "<p>\nThis script support the following CVS trees:\n";
154: for($i = 0; $i <= $#foo; $i++) {
155: $intro .= qq{<a href="$scriptname?cvsroot=$foo[$i]">} .
156: ($CVSROOTdescr{$foo[$i]} ?
157: $CVSROOTdescr{$foo[$i]} : $foo[$i]) . qq{</a>} .
158: ($i == $#foo ? ".\n" : ",\n");
159: }
160: }
161: }
162:
163:
1.1 jfieber 164: if (-d $fullname) {
165: opendir(DIR, $fullname) || &fatal("404 Not Found","$where: $!");
166: @dir = readdir(DIR);
167: closedir(DIR);
168: if ($where eq '') {
1.2 jfieber 169: print &html_header("FreeBSD CVS Repository");
1.1 jfieber 170: print $intro;
171: } else {
1.2 jfieber 172: print &html_header("/$where");
1.1 jfieber 173: print $shortinstr;
174: }
1.16 wosch 175: print "<p>";
1.22 wosch 176: print "Current CVS tree: <b>",
177: ($CVSROOTdescr{"$cvstree"} ? $CVSROOTdescr{"$cvstree"} :
178: $cvstree), "</b><br>\n";
1.16 wosch 179: print "Current directory: <b>/$where</b>\n";
1.2 jfieber 180: print "<P><HR NOSHADE>\n";
1.1 jfieber 181: # Using <MENU> in this manner violates the HTML2.0 spec but
182: # provides the results that I want in most browsers. Another
183: # case of layout spooging up HTML.
184: print "<MENU>\n";
1.9 fenner 185: lookingforattic:
186: for ($i = 0; $i <= $#dir; $i++) {
187: if ($dir[$i] eq "Attic") {
188: last lookingforattic;
189: }
190: }
1.12 fenner 191: $haveattic = 1 if ($i <= $#dir);
1.9 fenner 192: if (!$input{"showattic"} && ($i <= $#dir) &&
193: opendir(DIR, $fullname . "/Attic")) {
194: splice(@dir, $i, 1,
195: grep((s|^|Attic/|,!m|/\.|), readdir(DIR)));
196: closedir(DIR);
197: }
198: # Sort without the Attic/ pathname.
199: foreach (sort {($c=$a)=~s|.*/||;($d=$b)=~s|.*/||;($c cmp $d)} @dir) {
1.1 jfieber 200: if ($_ eq '.') {
201: next;
202: }
1.19 wosch 203: # ignore CVS lock and stale NFS files
204: next if /^#cvs\.|^,|^\.nfs/;
1.18 wosch 205:
1.9 fenner 206: if (s|^Attic/||) {
207: $attic = " (in the Attic)";
208: } else {
209: $attic = "";
210: }
1.1 jfieber 211: if ($_ eq '..') {
212: next if ($where eq '');
213: ($updir = $scriptwhere) =~ s|[^/]+$||;
214: print "<IMG SRC=\"/icons/back.gif\"> ",
1.9 fenner 215: &link("Previous Directory",$updir . $query), "<BR>";
1.7 fenner 216: # print "<IMG SRC=???> ",
217: # &link("Directory-wide diffs", $scriptwhere . '/*'), "<BR>";
1.1 jfieber 218: } elsif (-d $fullname . "/" . $_) {
219: print "<IMG SRC=\"/icons/dir.gif\"> ",
1.12 fenner 220: &link($_ . "/", $scriptwhere . '/' . $_ . '/' . $query),
221: $attic, "<BR>";
1.1 jfieber 222: } elsif (s/,v$//) {
1.7 fenner 223: # TODO: add date/time? How about sorting?
1.1 jfieber 224: print "<IMG SRC=\"/icons/text.gif\"> ",
1.9 fenner 225: &link($_, $scriptwhere . '/' .
226: ($attic ? "Attic/" : "") . $_ . $query),
1.12 fenner 227: $attic, "<BR>";
1.1 jfieber 228: }
229: }
230: print "</MENU>\n";
1.9 fenner 231: if ($input{"only_on_branch"}) {
232: print "<HR><FORM METHOD=\"GET\" ACTION=\"${scriptwhere}\">\n";
233: print "Currently showing only branch $input{'only_on_branch'}.\n";
234: $input{"only_on_branch"}="";
235: foreach $k (keys %input) {
236: print "<INPUT TYPE=hidden NAME=$k VALUE=$input{$k}>\n" if $input{$k};
237: }
238: print "<INPUT TYPE=SUBMIT VALUE=\"Show all branches\">\n";
239: print "</FORM>\n";
240: }
241: $formwhere = $scriptwhere;
242: $formwhere =~ s|Attic/?$|| if ($input{"showattic"});
1.12 fenner 243: if ($haveattic) {
244: print "<HR><FORM METHOD=\"GET\" ACTION=\"${formwhere}\">\n";
245: $input{"showattic"}=!$input{"showattic"};
246: foreach $k (keys %input) {
247: print "<INPUT TYPE=hidden NAME=$k VALUE=$input{$k}>\n" if $input{$k};
248: }
249: print "<INPUT TYPE=SUBMIT VALUE=\"";
250: print ($input{"showattic"} ? "Show" : "Hide");
251: print " attic directories\">\n";
252: print "</FORM>\n";
253: }
1.2 jfieber 254: print &html_footer;
1.1 jfieber 255: print "</BODY></HTML>\n";
256: } elsif (-f $fullname . ',v') {
1.7 fenner 257: if ($input{'rev'} =~ /^[\d\.]+$/) {
258: &checkout($fullname, $input{'rev'});
259: exit;
260: }
261: if ($input{'r1'} && $input{'r2'}) {
262: &dodiff($fullname, $input{'r1'}, $input{'tr1'},
263: $input{'r2'}, $input{'tr2'}, $input{'f'});
1.1 jfieber 264: exit;
265: }
1.12 fenner 266: print("going to dolog($fullname)\n") if ($verbose);
267: &dolog($fullname);
268: } elsif ($fullname =~ s/\.diff$// && -f $fullname . ",v" &&
269: $input{'r1'} && $input{'r2'}) {
270: # Allow diffs using the ".diff" extension
271: # so that browsers that default to the URL
272: # for a save filename don't save diff's as
273: # e.g. foo.c
274: &dodiff($fullname, $input{'r1'}, $input{'tr1'},
275: $input{'r2'}, $input{'tr2'}, $input{'f'});
276: exit;
277: } elsif (($newname = $fullname) =~ s|/([^/]+)$|/Attic/$1| &&
278: -f $newname . ",v") {
279: # The file has been removed and is in the Attic.
280: # Send a redirect pointing to the file in the Attic.
281: ($newplace = $scriptwhere) =~ s|/([^/]+)$|/Attic/$1|;
282: &redirect($newplace);
283: exit;
284: } elsif (0 && (@files = &safeglob($fullname . ",v"))) {
285: print "Content-type: text/plain\n\n";
286: print "You matched the following files:\n";
287: print join("\n", @files);
288: # Find the tags from each file
289: # Display a form offering diffs between said tags
290: } else {
291: # Assume it's a module name with a potential path following it.
1.13 fenner 292: $xtra = $& if (($module = $where) =~ s|/.*||);
1.12 fenner 293: # Is there an indexed version of modules?
294: if (open(MODULES, "$cvsroot/CVSROOT/modules")) {
295: while (<MODULES>) {
296: if (/^(\S+)\s+(\S+)/o && $module eq $1
297: && -d "${cvsroot}/$2" && $module ne $2) {
298: &redirect($scriptname . '/' . $2 . $xtra);
299: }
300: }
301: }
302: &fatal("404 Not Found","$where: no such file or directory");
303: }
304:
305: sub htmlify {
306: local($string, $pr) = @_;
307:
308: $string =~ s/&/&/g;
309: $string =~ s/</</g;
310: $string =~ s/>/>/g;
311:
312: if ($pr) {
313: $string =~ s|\bpr(\W+[a-z]+/\W*)(\d+)|<A HREF=/cgi/query-pr.cgi?pr=$2>$&</A>|ig;
314: }
315:
316: $string;
317: }
318:
319: sub link {
320: local($name, $where) = @_;
321:
322: "<A HREF=\"$where\">$name</A>\n";
323: }
324:
325: sub revcmp {
326: local($rev1, $rev2) = @_;
327: local(@r1) = split(/\./, $rev1);
328: local(@r2) = split(/\./, $rev2);
329: local($a,$b);
330:
331: while (($a = shift(@r1)) && ($b = shift(@r2))) {
332: if ($a != $b) {
333: return $a <=> $b;
334: }
335: }
336: if (@r1) { return 1; }
337: if (@r2) { return -1; }
338: return 0;
339: }
340:
341: sub fatal {
342: local($errcode, $errmsg) = @_;
343: print "Status: $errcode\n";
344: print &html_header("Error");
345: # print "Content-type: text/html\n";
346: # print "\n";
347: # print "<HTML><HEAD><TITLE>Error</TITLE></HEAD>\n";
348: # print "<BODY>Error: $errmsg</BODY></HTML>\n";
349: print "Error: $errmsg\n";
350: print &html_footer;
351: exit(1);
352: }
353:
354: sub redirect {
355: local($url) = @_;
356: print "Status: 301 Moved\n";
357: print "Location: $url\n";
358: print &html_header("Moved");
359: # print "Content-type: text/html\n";
360: # print "\n";
361: # print "<HTML><HEAD><TITLE>Moved</TITLE></HEAD>\n";
362: # print "<BODY>This document is located <A HREF=$url>here</A>.</BODY></HTML>\n";
363: print "This document is located <A HREF=$url>here</A>.\n";
364: print &html_footer;
365: exit(1);
366: }
367:
368: sub safeglob {
369: local($filename) = @_;
370: local($dirname);
371: local(@results);
372:
373: ($dirname = $filename) =~ s|/[^/]+$||;
374: $filename =~ s|.*/||;
375:
376: if (opendir(DIR, $dirname)) {
377: $glob = $filename;
378: # transform filename from glob to regex. Deal with:
379: # [, {, ?, * as glob chars
380: # make sure to escape all other regex chars
381: $glob =~ s/([\.\(\)\|\+])/\\$1/g;
382: $glob =~ s/\*/.*/g;
383: $glob =~ s/\?/./g;
384: $glob =~ s/{([^}]+)}/($t = $1) =~ s-,-|-g; "($t)"/eg;
385: foreach (readdir(DIR)) {
386: if (/^${glob}$/) {
387: push(@results, $dirname . "/" .$_);
388: }
389: }
390: }
391:
392: @results;
393: }
394:
395: sub checkout {
396: local($fullname, $rev) = @_;
397:
398: open(RCS, "co -p$rev '$fullname' 2>&1 |") ||
399: &fail("500 Internal Error", "Couldn't co: $!");
400: # /home/ncvs/src/sys/netinet/igmp.c,v --> standard output
401: # or
402: # /home/ncvs/src/sys/netinet/igmp.c,v --> stdout
403: # revision 1.1.1.2
404: # /*
405: $_ = <RCS>;
406: if (/^(\S+),v\s+-->\s+st(andar)?d ?out(put)?\s*$/o && $1 eq $fullname) {
407: # As expected
408: } else {
409: &fatal("500 Internal Error",
410: "Unexpected output from co: $_");
411: }
412: $_ = <RCS>;
413: if (/^revision\s+$rev\s*$/) {
414: # As expected
415: } else {
416: &fatal("500 Internal Error",
417: "Unexpected output from co: $_");
418: }
419: $| = 1;
420: print "Content-type: text/plain\n\n";
421: print <RCS>;
422: close(RCS);
423: }
424:
425: sub dodiff {
426: local($fullname, $r1, $tr1, $r2, $tr2, $f) = @_;
427:
428: if ($r1 =~ /([^:]+)(:(.+))?/) {
429: $rev1 = $1;
430: $sym1 = $3;
431: }
432: if ($rev1 eq 'text') {
433: $rev1 = $tr1;
434: }
435: if ($r2 =~ /([^:]+)(:(.+))?/) {
436: $rev2 = $1;
437: $sym2 = $3;
438: }
439: if ($rev2 eq 'text') {
440: $rev2 = $tr2;
441: }
442: if (!($rev1 =~ /^[\d\.]+$/) || !($rev2 =~ /^[\d\.]+$/)) {
443: &fatal("404 Not Found",
444: "Malformed query \"$ENV{'QUERY_STRING'}\"");
445: }
446: #
447: # rev1 and rev2 are now both numeric revisions.
448: # Thus we do a DWIM here and swap them if rev1 is after rev2.
449: # XXX should we warn about the fact that we do this?
450: if (&revcmp($rev1,$rev2) > 0) {
451: ($tmp1, $tmp2) = ($rev1, $sym1);
452: ($rev1, $sym1) = ($rev2, $sym2);
453: ($rev2, $sym2) = ($tmp1, $tmp2);
454: }
455: #
456: # XXX Putting '-p' here is a personal preference
457: if ($f eq 'c') {
458: $difftype = '-p -c';
459: $diffname = "Context diff";
460: } elsif ($f eq 's') {
461: $difftype = '--side-by-side --width=164';
462: $diffname = "Side by Side";
463: } else {
464: $difftype = '-p -u';
465: $diffname = "Unidiff";
466: }
467: # XXX should this just be text/plain
468: # or should it have an HTML header and then a <pre>
469: print "Content-type: text/plain\n\n";
470: open(RCSDIFF, "rcsdiff $difftype -r$rev1 -r$rev2 '$fullname' 2>&1 |") ||
471: &fail("500 Internal Error", "Couldn't rcsdiff: $!");
472: #
473: #===================================================================
474: #RCS file: /home/ncvs/src/sys/netinet/tcp_output.c,v
475: #retrieving revision 1.16
476: #retrieving revision 1.17
477: #diff -c -r1.16 -r1.17
478: #*** /home/ncvs/src/sys/netinet/tcp_output.c 1995/11/03 22:08:08 1.16
479: #--- /home/ncvs/src/sys/netinet/tcp_output.c 1995/12/05 17:46:35 1.17
480: #
481: # Ideas:
482: # - nuke the stderr output if it's what we expect it to be
483: # - Add "no differences found" if the diff command supplied no output.
484: #
485: #*** src/sys/netinet/tcp_output.c 1995/11/03 22:08:08 1.16
486: #--- src/sys/netinet/tcp_output.c 1995/12/05 17:46:35 1.17 RELENG_2_1_0
487: # (bogus example, but...)
488: #
489: if ($difftype eq '-u') {
490: $f1 = '---';
491: $f2 = '\+\+\+';
492: } else {
493: $f1 = '\*\*\*';
494: $f2 = '---';
495: }
496: while (<RCSDIFF>) {
497: if (m|^$f1 $cvsroot|o) {
498: s|$cvsroot/||o;
499: if ($sym1) {
500: chop;
501: $_ .= " " . $sym1 . "\n";
502: }
503: } elsif (m|^$f2 $cvsroot|o) {
504: s|$cvsroot/||o;
505: if ($sym2) {
506: chop;
507: $_ .= " " . $sym2 . "\n";
508: }
509: }
510: print $_;
511: }
512: close(RCSDIFF);
513: }
514:
515: sub dolog {
516: local($fullname) = @_;
517: local($curbranch,$symnames); #...
518:
519: print("Going to rlog '$fullname'\n") if ($verbose);
1.1 jfieber 520: open(RCS, "rlog '$fullname'|") || &fatal("500 Internal Error",
521: "Failed to spawn rlog");
522: while (<RCS>) {
523: print if ($verbose);
1.8 fenner 524: if (/^branch:\s+([\d\.]+)/) {
525: $curbranch = $1;
526: }
1.1 jfieber 527: if ($symnames) {
528: if (/^\s+([^:]+):\s+([\d\.]+)/) {
529: $symrev{$1} = $2;
530: if ($revsym{$2}) {
531: $revsym{$2} .= ", ";
532: }
533: $revsym{$2} .= $1;
534: } else {
535: $symnames = 0;
536: }
537: } elsif (/^symbolic names/) {
538: $symnames = 1;
539: } elsif (/^-----/) {
540: last;
541: }
542: }
1.7 fenner 543:
544: if ($onlyonbranch = $input{'only_on_branch'}) {
545: ($onlyonbranch = $symrev{$onlyonbranch}) =~ s/\.0\././;
546: ($onlybranchpoint = $onlyonbranch) =~ s/\.\d+$//;
547: }
548:
1.1 jfieber 549: # each log entry is of the form:
550: # ----------------------------
551: # revision 3.7.1.1
552: # date: 1995/11/29 22:15:52; author: fenner; state: Exp; lines: +5 -3
553: # log info
554: # ----------------------------
555: logentry:
556: while (!/^=========/) {
557: $_ = <RCS>;
1.12 fenner 558: last logentry if (!defined($_)); # EOF
1.1 jfieber 559: print "R:", $_ if ($verbose);
560: if (/^revision ([\d\.]+)/) {
561: $rev = $1;
562: } elsif (/^========/ || /^----------------------------$/) {
563: next logentry;
564: } else {
1.12 fenner 565: # The rlog output is syntactically ambiguous. We must
566: # have guessed wrong about where the end of the last log
567: # message was.
568: # Since this is likely to happen when people put rlog output
569: # in their commit messages, don't even bother keeping
570: # these lines since we don't know what revision they go with
571: # any more.
572: next logentry;
573: # &fatal("500 Internal Error","Error parsing RCS output: $_");
1.1 jfieber 574: }
575: $_ = <RCS>;
576: print "D:", $_ if ($verbose);
1.9 fenner 577: if (m|^date:\s+(\d+)/(\d+)/(\d+)\s+(\d+):(\d+):(\d+);\s+author:\s+(\S+);\s+state:\s+(\S+);|) {
1.1 jfieber 578: $yr = $1;
579: # damn 2-digit year routines
580: if ($yr > 100) {
581: $yr -= 1900;
582: }
583: $date{$rev} = &timelocal($6,$5,$4,$3,$2 - 1,$yr);
584: $author{$rev} = $7;
1.9 fenner 585: $state{$rev} = $8;
1.1 jfieber 586: } else {
587: &fatal("500 Internal Error", "Error parsing RCS output: $_");
588: }
589: line:
590: while (<RCS>) {
591: print "L:", $_ if ($verbose);
592: next line if (/^branches:\s/);
593: last line if (/^----------------------------$/ || /^=========/);
594: $log{$rev} .= $_;
595: }
596: print "E:", $_ if ($verbose);
597: }
598: close(RCS);
599: print "Done reading RCS file\n" if ($verbose);
600: #
601: # Sort the revisions into commit-date order.
602: @revorder = sort {$date{$b} <=> $date{$a}} keys %date;
603: print "Done sorting revisions\n" if ($verbose);
604: #
605: # HEAD is an artificial tag which is simply the highest tag number on the main
1.8 fenner 606: # branch, unless there is a branch tag in the RCS file in which case it's the
607: # highest revision on that branch. Find it by looking through @revorder; it
608: # is the first commit listed on the appropriate branch.
609: $headrev = $curbranch || "1";
1.1 jfieber 610: revision:
611: for ($i = 0; $i <= $#revorder; $i++) {
1.8 fenner 612: if ($revorder[$i] =~ /^(\S*)\.\d+$/ && $headrev eq $1) {
1.1 jfieber 613: if ($revsym{$revorder[$i]}) {
614: $revsym{$revorder[$i]} .= ", ";
615: }
616: $revsym{$revorder[$i]} .= "HEAD";
617: $symrev{"HEAD"} = $revorder[$i];
618: last revision;
619: }
620: }
621: print "Done finding HEAD\n" if ($verbose);
622: #
623: # Now that we know all of the revision numbers, we can associate
624: # absolute revision numbers with all of the symbolic names, and
625: # pass them to the form so that the same association doesn't have
626: # to be built then.
627: #
628: # should make this a case-insensitive sort
629: foreach (sort keys %symrev) {
630: $rev = $symrev{$_};
631: if ($rev =~ /^(\d+(\.\d+)+)\.0\.(\d+)$/) {
1.7 fenner 632: push(@branchnames, $_);
1.1 jfieber 633: #
634: # A revision number of A.B.0.D really translates into
635: # "the highest current revision on branch A.B.D".
636: #
637: # If there is no branch A.B.D, then it translates into
638: # the head A.B .
639: #
640: $head = $1;
641: $branch = $3;
642: $regex = $head . "." . $branch;
643: $regex =~ s/\./\./g;
644: # <
645: # \____/
646: $rev = $head;
647:
648: revision:
649: foreach $r (@revorder) {
650: if ($r =~ /^${regex}/) {
651: $rev = $head . "." . $branch;
652: last revision;
653: }
654: }
655: $revsym{$rev} .= ", " if ($revsym{$rev});
656: $revsym{$rev} .= $_;
1.8 fenner 657: if ($rev ne $head) {
658: $branchpoint{$head} .= ", " if ($branchpoint{$head});
659: $branchpoint{$head} .= $_;
660: }
1.1 jfieber 661: }
662: $sel .= "<OPTION VALUE=\"${rev}:${_}\">$_\n";
663: }
664: print "Done associating revisions with branches\n" if ($verbose);
1.2 jfieber 665: print &html_header("CVS log for $where");
1.9 fenner 666: ($upwhere = $where) =~ s|(Attic/)?[^/]+$||;
667: print "Up to ", &link($upwhere,$scriptname . "/" . $upwhere . $query);
1.1 jfieber 668: print "<BR>\n";
669: print "<A HREF=\"#diff\">Request diff between arbitrary revisions</A>\n";
1.2 jfieber 670: print "<HR NOSHADE>\n";
1.8 fenner 671: if ($curbranch) {
672: print "Default branch is ";
673: print ($revsym{$curbranch} || $curbranch);
674: } else {
675: print "No default branch";
676: }
677: print "<BR><HR NOSHADE>\n";
1.1 jfieber 678: # The other possible U.I. I can see is to have each revision be hot
679: # and have the first one you click do ?r1=foo
680: # and since there's no r2 it keeps going & the next one you click
681: # adds ?r2=foo and performs the query.
682: # I suppose there's no reason we can't try both and see which one
683: # people prefer...
684:
685: for ($i = 0; $i <= $#revorder; $i++) {
686: $_ = $revorder[$i];
1.7 fenner 687: ($br = $_) =~ s/\.\d+$//;
688: next if ($onlyonbranch && $br ne $onlyonbranch &&
689: $_ ne $onlybranchpoint);
1.4 fenner 690: print "<a NAME=\"rev$_\"></a>";
691: foreach $sym (split(", ", $revsym{$_})) {
692: print "<a NAME=\"$sym\"></a>";
693: }
694: if ($revsym{$br} && !$nameprinted{$br}) {
695: foreach $sym (split(", ", $revsym{$br})) {
696: print "<a NAME=\"$sym\"></a>";
697: }
698: $nameprinted{$br}++;
699: }
700: print "\n";
1.10 wosch 701: print "<A HREF=\"$scriptwhere?rev=$_" .
1.12 fenner 702: &cvsroot . "\"><b>$_</b></A>";
1.1 jfieber 703: if (/^1\.1\.1\.\d+$/) {
704: print " <i>(vendor branch)</i>";
705: }
1.14 wosch 706: print " <i>" . &ctime($date{$_}) . " UTC</i> by ";
1.1 jfieber 707: print "<i>" . $author{$_} . "</i>\n";
708: if ($revsym{$_}) {
709: print "<BR>CVS Tags: <b>$revsym{$_}</b>";
710: }
1.4 fenner 711: if ($revsym{$br}) {
1.1 jfieber 712: if ($revsym{$_}) {
713: print "; ";
714: } else {
715: print "<BR>";
716: }
1.8 fenner 717: print "Branch: <b>$revsym{$br}</b>\n";
718: }
719: if ($branchpoint{$_}) {
720: if ($revsym{$br} || $revsym{$_}) {
721: print "; ";
722: } else {
723: print "<BR>";
724: }
725: print "Branch point for: <b>$branchpoint{$_}</b>\n";
1.1 jfieber 726: }
727: # Find the previous revision on this branch.
728: @prevrev = split(/\./, $_);
729: if (--$prevrev[$#prevrev] == 0) {
730: # If it was X.Y.Z.1, just make it X.Y
731: if ($#prevrev > 1) {
732: pop(@prevrev);
733: pop(@prevrev);
734: } else {
735: # It was rev 1.1 (XXX does CVS use revisions
736: # greater than 1.x?)
737: if ($prevrev[0] != 1) {
738: print "<i>* I can't figure out the previous revision! *</i>\n";
739: }
740: }
741: }
742: if ($prevrev[$#prevrev] != 0) {
743: $prev = join(".", @prevrev);
1.7 fenner 744: print "<BR><A HREF=\"${scriptwhere}.diff?r1=$prev";
1.12 fenner 745: print "&r2=$_" . &cvsroot . "\">Diffs to $prev</A>\n";
1.1 jfieber 746: #
747: # Plus, if it's on a branch, and it's not a vendor branch,
748: # offer to diff with the immediately-preceding commit if it
749: # is not the previous revision as calculated above
750: # and if it is on the HEAD (or at least on a higher branch)
751: # (e.g. change gets committed and then brought
752: # over to -stable)
753: if (!/^1\.1\.1\.\d+$/ && ($i != $#revorder) &&
754: ($prev ne $revorder[$i+1])) {
755: @tmp1 = split(/\./, $revorder[$i+1]);
756: @tmp2 = split(/\./, $_);
757: if ($#tmp1 < $#tmp2) {
1.7 fenner 758: print "; <A HREF=\"${scriptwhere}.diff?r1=$revorder[$i+1]";
1.10 wosch 759: print "&r2=$_" . &cvsroot .
1.12 fenner 760: "\">Diffs to $revorder[$i+1]</A>\n";
1.1 jfieber 761: }
762: }
763: }
1.9 fenner 764: if ($state{$_} eq "dead") {
765: print "<BR><B><I>FILE REMOVED</I></B>\n";
766: }
1.1 jfieber 767: print "<PRE>\n";
1.7 fenner 768: print &htmlify($log{$_}, 1);
1.2 jfieber 769: print "</PRE><HR NOSHADE>\n";
1.1 jfieber 770: }
771: print "<A NAME=diff>\n";
772: print "This form allows you to request diff's between any two\n";
773: print "revisions of a file. You may select a symbolic revision\n";
774: print "name using the selection box or you may type in a numeric\n";
775: print "name using the type-in text box.\n";
776: print "</A><P>\n";
1.7 fenner 777: print "<FORM METHOD=\"GET\" ACTION=\"${scriptwhere}.diff\">\n";
1.12 fenner 778: print "<INPUT TYPE=HIDDEN NAME=\"cvsroot\" VALUE=\"$cvstree\">\n"
1.10 wosch 779: if &cvsroot;
1.1 jfieber 780: print "Diffs between \n";
781: print "<SELECT NAME=\"r1\">\n";
782: print "<OPTION VALUE=\"text\" SELECTED>Use Text Field\n";
783: print $sel;
784: print "</SELECT>\n";
785: print "<INPUT TYPE=\"TEXT\" NAME=\"tr1\" VALUE=\"$revorder[$#revorder]\">\n";
786: print " and \n";
787: print "<SELECT NAME=\"r2\">\n";
788: print "<OPTION VALUE=\"text\" SELECTED>Use Text Field\n";
789: print $sel;
790: print "</SELECT>\n";
791: print "<INPUT TYPE=\"TEXT\" NAME=\"tr2\" VALUE=\"$revorder[0]\">\n";
792: print "<BR><INPUT TYPE=RADIO NAME=\"f\" VALUE=u CHECKED>Unidiff<br>\n";
793: print "<INPUT TYPE=RADIO NAME=\"f\" VALUE=c>Context diff<br>\n";
1.7 fenner 794: print "<INPUT TYPE=RADIO NAME=\"f\" VALUE=s>Side-by-Side<br>\n";
1.1 jfieber 795: print "<INPUT TYPE=SUBMIT VALUE=\"Get Diffs\">\n";
796: print "</FORM>\n";
1.7 fenner 797: print "<HR noshade>\n";
798: print "<A name=branch>\n";
799: print "You may select to see revision information from only\n";
800: print "a single branch.\n";
801: print "</A><P>\n";
802: print "<FORM METHOD=\"GET\" ACTION=\"$scriptwhere\">\n";
1.10 wosch 803: print qq{<input type=hidden name=cvsroot value=$cvstree>\n}
804: if &cvsroot;
1.7 fenner 805: print "Branch: \n";
806: print "<SELECT NAME=\"only_on_branch\">\n";
1.9 fenner 807: print "<OPTION VALUE=\"\"";
808: print " SELECTED" if ($input{"only_on_branch"} eq "");
809: print ">Show all branches\n";
1.7 fenner 810: foreach (sort @branchnames) {
1.9 fenner 811: print "<OPTION";
812: print " SELECTED" if ($input{"only_on_branch"} eq $_);
813: print ">${_}\n";
1.7 fenner 814: }
815: print "</SELECT>\n";
816: print "<INPUT TYPE=SUBMIT VALUE=\"View Branch\">\n";
817: print "</FORM>\n";
1.2 jfieber 818: print &html_footer;
1.1 jfieber 819: print "</BODY></HTML>\n";
1.10 wosch 820: }
821:
822: sub cvsroot {
823: return '' if $cvstree eq $cvstreedefault;
824: return "&cvsroot=" . $cvstree;
1.1 jfieber 825: }
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