Annotation of cvsweb/cvsweb.cgi, Revision 1.35
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: #
1.35 ! wosch 31: # $FreeBSD: www/en/cgi/cvsweb.cgi,v 1.34 1999/09/08 13:04:09 peter 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',
65: );
66:
1.16 wosch 67: %CVSROOTdescr = (
68: 'freebsd', 'FreeBSD',
69: 'learn', 'Learn',
70: );
71:
1.24 wosch 72: %mirrors = (
73: 'Germany', 'http://www.de.freebsd.org/cgi/cvsweb.cgi',
1.30 wosch 74: 'Spain', 'http://www.es.freebsd.org/cgi/cvsweb.cgi',
75: 'California', 'http://www.freebsd.org/cgi/cvsweb.cgi',
1.26 motoyuki 76: 'Japan', 'http://www.jp.freebsd.org/cgi/cvsweb.cgi',
1.24 wosch 77: );
78:
1.10 wosch 79: $cvstreedefault = 'freebsd';
80: $cvstree = $cvstreedefault;
81: $cvsroot = $CVSROOT{"$cvstree"} || "/home/ncvs";
82:
83:
1.1 jfieber 84: $intro = "
85: This is a WWW interface to the FreeBSD CVS tree.
86: You can browse the file hierarchy by picking directories
87: (which have slashes after them, e.g. <b>src/</b>).
88: If you pick a file, you will see the revision history
89: for that file.
90: Selecting a revision number will download that revision of
91: the file. There is a link at each revision to display
92: diffs between that revision and the previous one, and
93: a form at the bottom of the page that allows you to
94: display diffs between arbitrary revisions.
95: <p>
1.7 fenner 96: If you would like to use this CGI script on your own web server and
97: CVS tree, see <A HREF=\"http://www.freebsd.org/~fenner/cvsweb/\">
1.17 wosch 98: the CVSWeb distribution site</A> or the <a
99: href=\"http://www.freebsd.org/cgi/cvsweb.cgi/www/data/cgi/cvsweb.cgi\">current</a> FreeBSD version.
1.7 fenner 100: <p>
1.1 jfieber 101: Please send any suggestions, comments, etc. to
1.10 wosch 102: <A HREF=\"mailto:fenner\@freebsd.org\">Bill Fenner <fenner\@freebsd.org></A>
1.1 jfieber 103: ";
104: $shortinstr = "
105: Click on a directory to enter that directory. Click on a file to display
106: its revision history and to get a
107: chance to display diffs between revisions.
108: ";
109:
110: $verbose = $v;
111: ($where = $ENV{'PATH_INFO'}) =~ s|^/||;
112: $where =~ s|/$||;
113: ($scriptname = $ENV{'SCRIPT_NAME'}) =~ s|^/?|/|;
114: $scriptname =~ s|/$||;
115: $scriptwhere = $scriptname . '/' . $where;
116: $scriptwhere =~ s|/$||;
117:
1.9 fenner 118: if ($query = $ENV{'QUERY_STRING'}) {
119: foreach (split(/&/, $query)) {
1.7 fenner 120: s/%(..)/sprintf("%c", hex($1))/ge; # unquote %-quoted
121: if (/(\S+)=(.*)/) {
122: $input{$1} = $2;
123: } else {
124: $input{$_}++;
125: }
126: }
1.9 fenner 127: $query = "?" . $query;
1.7 fenner 128: }
1.10 wosch 129:
130:
1.11 wosch 131: $config = '/usr/local/etc/cvsweb';
132: do "$config" if -f $config;
1.10 wosch 133:
134: if ($input{'cvsroot'}) {
135: if ($CVSROOT{$input{'cvsroot'}}) {
136: $cvstree = $input{'cvsroot'};
137: $cvsroot = $CVSROOT{"$cvstree"};
138: }
139: }
1.11 wosch 140: do "$config-$cvstree" if -f "$config-$cvstree";
1.10 wosch 141:
142: $fullname = $cvsroot . '/' . $where;
1.12 fenner 143:
1.10 wosch 144: if (!-d $cvsroot) {
1.12 fenner 145: &fatal("500 Internal Error",'$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 146: }
147:
1.34 peter 148: # Set up for FreeBSD repo options.
149: $ENV{'RCSLOCALID'} = 'FreeBSD=CVSHeader';
150: $ENV{'RCSINCEXC'} = 'iFreeBSD';
151: $ENV{'CVSROOT'} = $cvsroot;
1.10 wosch 152:
1.16 wosch 153: {
154: local(@foo, $i);
155: local($scriptname) = $ENV{'SCRIPT_NAME'};
1.23 wosch 156: foreach (sort keys %CVSROOT) {
1.16 wosch 157: if (-d $CVSROOT{$_}) {
158: push(@foo, $_);
159: }
160: }
161: if ($#foo > 1) {
1.27 hoek 162: $intro .= "<p>\nThis script supports the following CVS trees:\n";
1.16 wosch 163: for($i = 0; $i <= $#foo; $i++) {
164: $intro .= qq{<a href="$scriptname?cvsroot=$foo[$i]">} .
165: ($CVSROOTdescr{$foo[$i]} ?
166: $CVSROOTdescr{$foo[$i]} : $foo[$i]) . qq{</a>} .
167: ($i == $#foo ? ".\n" : ",\n");
1.24 wosch 168: }
169: }
170: }
171:
172:
173: {
174: local(@mirrors) = sort keys %mirrors;;
175: if ($#mirrors >= 0) {
176: $intro .= "<p>\nThis script is mirrored in:\n";
177: local($m);
178: for($m = 0; $m <= $#mirrors; $m++) {
179: $intro .= qq(<a href="$mirrors{$mirrors[$m]}">$mirrors[$m]</a>);
180: $intro .= ',' if $m != $#mirrors;
181: $intro .= "\n";
1.16 wosch 182: }
183: }
184: }
185:
186:
1.1 jfieber 187: if (-d $fullname) {
188: opendir(DIR, $fullname) || &fatal("404 Not Found","$where: $!");
189: @dir = readdir(DIR);
190: closedir(DIR);
191: if ($where eq '') {
1.2 jfieber 192: print &html_header("FreeBSD CVS Repository");
1.1 jfieber 193: print $intro;
194: } else {
1.2 jfieber 195: print &html_header("/$where");
1.1 jfieber 196: print $shortinstr;
197: }
1.16 wosch 198: print "<p>";
1.22 wosch 199: print "Current CVS tree: <b>",
200: ($CVSROOTdescr{"$cvstree"} ? $CVSROOTdescr{"$cvstree"} :
201: $cvstree), "</b><br>\n";
1.16 wosch 202: print "Current directory: <b>/$where</b>\n";
1.2 jfieber 203: print "<P><HR NOSHADE>\n";
1.1 jfieber 204: # Using <MENU> in this manner violates the HTML2.0 spec but
205: # provides the results that I want in most browsers. Another
206: # case of layout spooging up HTML.
207: print "<MENU>\n";
1.9 fenner 208: lookingforattic:
209: for ($i = 0; $i <= $#dir; $i++) {
210: if ($dir[$i] eq "Attic") {
211: last lookingforattic;
212: }
213: }
1.12 fenner 214: $haveattic = 1 if ($i <= $#dir);
1.9 fenner 215: if (!$input{"showattic"} && ($i <= $#dir) &&
216: opendir(DIR, $fullname . "/Attic")) {
217: splice(@dir, $i, 1,
218: grep((s|^|Attic/|,!m|/\.|), readdir(DIR)));
219: closedir(DIR);
220: }
221: # Sort without the Attic/ pathname.
222: foreach (sort {($c=$a)=~s|.*/||;($d=$b)=~s|.*/||;($c cmp $d)} @dir) {
1.1 jfieber 223: if ($_ eq '.') {
224: next;
225: }
1.19 wosch 226: # ignore CVS lock and stale NFS files
227: next if /^#cvs\.|^,|^\.nfs/;
1.18 wosch 228:
1.9 fenner 229: if (s|^Attic/||) {
230: $attic = " (in the Attic)";
231: } else {
232: $attic = "";
233: }
1.1 jfieber 234: if ($_ eq '..') {
235: next if ($where eq '');
236: ($updir = $scriptwhere) =~ s|[^/]+$||;
237: print "<IMG SRC=\"/icons/back.gif\"> ",
1.9 fenner 238: &link("Previous Directory",$updir . $query), "<BR>";
1.7 fenner 239: # print "<IMG SRC=???> ",
240: # &link("Directory-wide diffs", $scriptwhere . '/*'), "<BR>";
1.1 jfieber 241: } elsif (-d $fullname . "/" . $_) {
242: print "<IMG SRC=\"/icons/dir.gif\"> ",
1.12 fenner 243: &link($_ . "/", $scriptwhere . '/' . $_ . '/' . $query),
244: $attic, "<BR>";
1.1 jfieber 245: } elsif (s/,v$//) {
1.7 fenner 246: # TODO: add date/time? How about sorting?
1.1 jfieber 247: print "<IMG SRC=\"/icons/text.gif\"> ",
1.9 fenner 248: &link($_, $scriptwhere . '/' .
249: ($attic ? "Attic/" : "") . $_ . $query),
1.12 fenner 250: $attic, "<BR>";
1.1 jfieber 251: }
252: }
253: print "</MENU>\n";
1.9 fenner 254: if ($input{"only_on_branch"}) {
255: print "<HR><FORM METHOD=\"GET\" ACTION=\"${scriptwhere}\">\n";
256: print "Currently showing only branch $input{'only_on_branch'}.\n";
257: $input{"only_on_branch"}="";
258: foreach $k (keys %input) {
259: print "<INPUT TYPE=hidden NAME=$k VALUE=$input{$k}>\n" if $input{$k};
260: }
261: print "<INPUT TYPE=SUBMIT VALUE=\"Show all branches\">\n";
262: print "</FORM>\n";
263: }
264: $formwhere = $scriptwhere;
265: $formwhere =~ s|Attic/?$|| if ($input{"showattic"});
1.12 fenner 266: if ($haveattic) {
267: print "<HR><FORM METHOD=\"GET\" ACTION=\"${formwhere}\">\n";
268: $input{"showattic"}=!$input{"showattic"};
269: foreach $k (keys %input) {
270: print "<INPUT TYPE=hidden NAME=$k VALUE=$input{$k}>\n" if $input{$k};
271: }
272: print "<INPUT TYPE=SUBMIT VALUE=\"";
273: print ($input{"showattic"} ? "Show" : "Hide");
274: print " attic directories\">\n";
275: print "</FORM>\n";
276: }
1.2 jfieber 277: print &html_footer;
1.1 jfieber 278: print "</BODY></HTML>\n";
279: } elsif (-f $fullname . ',v') {
1.7 fenner 280: if ($input{'rev'} =~ /^[\d\.]+$/) {
281: &checkout($fullname, $input{'rev'});
282: exit;
283: }
284: if ($input{'r1'} && $input{'r2'}) {
285: &dodiff($fullname, $input{'r1'}, $input{'tr1'},
286: $input{'r2'}, $input{'tr2'}, $input{'f'});
1.1 jfieber 287: exit;
288: }
1.12 fenner 289: print("going to dolog($fullname)\n") if ($verbose);
290: &dolog($fullname);
291: } elsif ($fullname =~ s/\.diff$// && -f $fullname . ",v" &&
292: $input{'r1'} && $input{'r2'}) {
293: # Allow diffs using the ".diff" extension
294: # so that browsers that default to the URL
295: # for a save filename don't save diff's as
296: # e.g. foo.c
297: &dodiff($fullname, $input{'r1'}, $input{'tr1'},
298: $input{'r2'}, $input{'tr2'}, $input{'f'});
299: exit;
300: } elsif (($newname = $fullname) =~ s|/([^/]+)$|/Attic/$1| &&
301: -f $newname . ",v") {
302: # The file has been removed and is in the Attic.
303: # Send a redirect pointing to the file in the Attic.
304: ($newplace = $scriptwhere) =~ s|/([^/]+)$|/Attic/$1|;
305: &redirect($newplace);
306: exit;
307: } elsif (0 && (@files = &safeglob($fullname . ",v"))) {
308: print "Content-type: text/plain\n\n";
309: print "You matched the following files:\n";
310: print join("\n", @files);
311: # Find the tags from each file
312: # Display a form offering diffs between said tags
313: } else {
314: # Assume it's a module name with a potential path following it.
1.13 fenner 315: $xtra = $& if (($module = $where) =~ s|/.*||);
1.12 fenner 316: # Is there an indexed version of modules?
317: if (open(MODULES, "$cvsroot/CVSROOT/modules")) {
318: while (<MODULES>) {
319: if (/^(\S+)\s+(\S+)/o && $module eq $1
320: && -d "${cvsroot}/$2" && $module ne $2) {
321: &redirect($scriptname . '/' . $2 . $xtra);
322: }
323: }
324: }
325: &fatal("404 Not Found","$where: no such file or directory");
326: }
327:
328: sub htmlify {
329: local($string, $pr) = @_;
330:
331: $string =~ s/&/&/g;
332: $string =~ s/</</g;
333: $string =~ s/>/>/g;
334:
335: if ($pr) {
1.32 wosch 336: $string =~ s!\b((pr[:#]?\s*#?)|((bin|conf|docs|gnu|i386|kern|misc|ports)\/))(\d+)\b!<A HREF=http://www.freebsd.org/cgi/query-pr.cgi?pr=\5>$&</A>!ig;
1.12 fenner 337: }
338:
339: $string;
340: }
341:
342: sub link {
343: local($name, $where) = @_;
344:
345: "<A HREF=\"$where\">$name</A>\n";
346: }
347:
348: sub revcmp {
349: local($rev1, $rev2) = @_;
350: local(@r1) = split(/\./, $rev1);
351: local(@r2) = split(/\./, $rev2);
352: local($a,$b);
353:
354: while (($a = shift(@r1)) && ($b = shift(@r2))) {
355: if ($a != $b) {
356: return $a <=> $b;
357: }
358: }
359: if (@r1) { return 1; }
360: if (@r2) { return -1; }
361: return 0;
362: }
363:
364: sub fatal {
365: local($errcode, $errmsg) = @_;
366: print "Status: $errcode\n";
367: print &html_header("Error");
368: # print "Content-type: text/html\n";
369: # print "\n";
370: # print "<HTML><HEAD><TITLE>Error</TITLE></HEAD>\n";
371: # print "<BODY>Error: $errmsg</BODY></HTML>\n";
372: print "Error: $errmsg\n";
373: print &html_footer;
374: exit(1);
375: }
376:
377: sub redirect {
378: local($url) = @_;
379: print "Status: 301 Moved\n";
380: print "Location: $url\n";
381: print &html_header("Moved");
382: # print "Content-type: text/html\n";
383: # print "\n";
384: # print "<HTML><HEAD><TITLE>Moved</TITLE></HEAD>\n";
385: # print "<BODY>This document is located <A HREF=$url>here</A>.</BODY></HTML>\n";
386: print "This document is located <A HREF=$url>here</A>.\n";
387: print &html_footer;
388: exit(1);
389: }
390:
391: sub safeglob {
392: local($filename) = @_;
393: local($dirname);
394: local(@results);
395:
396: ($dirname = $filename) =~ s|/[^/]+$||;
397: $filename =~ s|.*/||;
398:
399: if (opendir(DIR, $dirname)) {
400: $glob = $filename;
401: # transform filename from glob to regex. Deal with:
402: # [, {, ?, * as glob chars
403: # make sure to escape all other regex chars
404: $glob =~ s/([\.\(\)\|\+])/\\$1/g;
405: $glob =~ s/\*/.*/g;
406: $glob =~ s/\?/./g;
407: $glob =~ s/{([^}]+)}/($t = $1) =~ s-,-|-g; "($t)"/eg;
408: foreach (readdir(DIR)) {
409: if (/^${glob}$/) {
410: push(@results, $dirname . "/" .$_);
411: }
412: }
413: }
414:
415: @results;
416: }
417:
418: sub checkout {
419: local($fullname, $rev) = @_;
420:
421: open(RCS, "co -p$rev '$fullname' 2>&1 |") ||
422: &fail("500 Internal Error", "Couldn't co: $!");
423: # /home/ncvs/src/sys/netinet/igmp.c,v --> standard output
424: # or
425: # /home/ncvs/src/sys/netinet/igmp.c,v --> stdout
426: # revision 1.1.1.2
427: # /*
428: $_ = <RCS>;
429: if (/^(\S+),v\s+-->\s+st(andar)?d ?out(put)?\s*$/o && $1 eq $fullname) {
430: # As expected
431: } else {
432: &fatal("500 Internal Error",
433: "Unexpected output from co: $_");
434: }
435: $_ = <RCS>;
1.29 fenner 436: if ($rev eq ".") {
437: # latest rev requested, don't check
438: } elsif (/^revision\s+$rev\s*$/) {
1.12 fenner 439: # As expected
440: } else {
441: &fatal("500 Internal Error",
442: "Unexpected output from co: $_");
443: }
444: $| = 1;
445: print "Content-type: text/plain\n\n";
446: print <RCS>;
447: close(RCS);
448: }
449:
450: sub dodiff {
451: local($fullname, $r1, $tr1, $r2, $tr2, $f) = @_;
452:
453: if ($r1 =~ /([^:]+)(:(.+))?/) {
454: $rev1 = $1;
455: $sym1 = $3;
456: }
457: if ($rev1 eq 'text') {
458: $rev1 = $tr1;
459: }
460: if ($r2 =~ /([^:]+)(:(.+))?/) {
461: $rev2 = $1;
462: $sym2 = $3;
463: }
464: if ($rev2 eq 'text') {
465: $rev2 = $tr2;
466: }
467: if (!($rev1 =~ /^[\d\.]+$/) || !($rev2 =~ /^[\d\.]+$/)) {
468: &fatal("404 Not Found",
469: "Malformed query \"$ENV{'QUERY_STRING'}\"");
470: }
471: #
472: # rev1 and rev2 are now both numeric revisions.
473: # Thus we do a DWIM here and swap them if rev1 is after rev2.
474: # XXX should we warn about the fact that we do this?
475: if (&revcmp($rev1,$rev2) > 0) {
476: ($tmp1, $tmp2) = ($rev1, $sym1);
477: ($rev1, $sym1) = ($rev2, $sym2);
478: ($rev2, $sym2) = ($tmp1, $tmp2);
479: }
480: #
481: # XXX Putting '-p' here is a personal preference
482: if ($f eq 'c') {
483: $difftype = '-p -c';
484: $diffname = "Context diff";
485: } elsif ($f eq 's') {
486: $difftype = '--side-by-side --width=164';
487: $diffname = "Side by Side";
488: } else {
489: $difftype = '-p -u';
490: $diffname = "Unidiff";
491: }
492: # XXX should this just be text/plain
493: # or should it have an HTML header and then a <pre>
494: print "Content-type: text/plain\n\n";
495: open(RCSDIFF, "rcsdiff $difftype -r$rev1 -r$rev2 '$fullname' 2>&1 |") ||
496: &fail("500 Internal Error", "Couldn't rcsdiff: $!");
497: #
498: #===================================================================
499: #RCS file: /home/ncvs/src/sys/netinet/tcp_output.c,v
500: #retrieving revision 1.16
501: #retrieving revision 1.17
502: #diff -c -r1.16 -r1.17
503: #*** /home/ncvs/src/sys/netinet/tcp_output.c 1995/11/03 22:08:08 1.16
504: #--- /home/ncvs/src/sys/netinet/tcp_output.c 1995/12/05 17:46:35 1.17
505: #
506: # Ideas:
507: # - nuke the stderr output if it's what we expect it to be
508: # - Add "no differences found" if the diff command supplied no output.
509: #
510: #*** src/sys/netinet/tcp_output.c 1995/11/03 22:08:08 1.16
511: #--- src/sys/netinet/tcp_output.c 1995/12/05 17:46:35 1.17 RELENG_2_1_0
512: # (bogus example, but...)
513: #
514: if ($difftype eq '-u') {
515: $f1 = '---';
516: $f2 = '\+\+\+';
517: } else {
518: $f1 = '\*\*\*';
519: $f2 = '---';
520: }
521: while (<RCSDIFF>) {
522: if (m|^$f1 $cvsroot|o) {
523: s|$cvsroot/||o;
524: if ($sym1) {
525: chop;
526: $_ .= " " . $sym1 . "\n";
527: }
528: } elsif (m|^$f2 $cvsroot|o) {
529: s|$cvsroot/||o;
530: if ($sym2) {
531: chop;
532: $_ .= " " . $sym2 . "\n";
533: }
534: }
535: print $_;
536: }
537: close(RCSDIFF);
538: }
539:
540: sub dolog {
541: local($fullname) = @_;
542: local($curbranch,$symnames); #...
543:
544: print("Going to rlog '$fullname'\n") if ($verbose);
1.1 jfieber 545: open(RCS, "rlog '$fullname'|") || &fatal("500 Internal Error",
546: "Failed to spawn rlog");
547: while (<RCS>) {
548: print if ($verbose);
1.8 fenner 549: if (/^branch:\s+([\d\.]+)/) {
550: $curbranch = $1;
551: }
1.1 jfieber 552: if ($symnames) {
553: if (/^\s+([^:]+):\s+([\d\.]+)/) {
554: $symrev{$1} = $2;
555: if ($revsym{$2}) {
556: $revsym{$2} .= ", ";
557: }
558: $revsym{$2} .= $1;
559: } else {
560: $symnames = 0;
561: }
562: } elsif (/^symbolic names/) {
563: $symnames = 1;
564: } elsif (/^-----/) {
565: last;
566: }
567: }
1.7 fenner 568:
569: if ($onlyonbranch = $input{'only_on_branch'}) {
570: ($onlyonbranch = $symrev{$onlyonbranch}) =~ s/\.0\././;
571: ($onlybranchpoint = $onlyonbranch) =~ s/\.\d+$//;
572: }
573:
1.1 jfieber 574: # each log entry is of the form:
575: # ----------------------------
576: # revision 3.7.1.1
577: # date: 1995/11/29 22:15:52; author: fenner; state: Exp; lines: +5 -3
578: # log info
579: # ----------------------------
580: logentry:
581: while (!/^=========/) {
582: $_ = <RCS>;
1.12 fenner 583: last logentry if (!defined($_)); # EOF
1.1 jfieber 584: print "R:", $_ if ($verbose);
585: if (/^revision ([\d\.]+)/) {
586: $rev = $1;
587: } elsif (/^========/ || /^----------------------------$/) {
588: next logentry;
589: } else {
1.12 fenner 590: # The rlog output is syntactically ambiguous. We must
591: # have guessed wrong about where the end of the last log
592: # message was.
593: # Since this is likely to happen when people put rlog output
594: # in their commit messages, don't even bother keeping
595: # these lines since we don't know what revision they go with
596: # any more.
597: next logentry;
598: # &fatal("500 Internal Error","Error parsing RCS output: $_");
1.1 jfieber 599: }
600: $_ = <RCS>;
601: print "D:", $_ if ($verbose);
1.9 fenner 602: if (m|^date:\s+(\d+)/(\d+)/(\d+)\s+(\d+):(\d+):(\d+);\s+author:\s+(\S+);\s+state:\s+(\S+);|) {
1.1 jfieber 603: $yr = $1;
604: # damn 2-digit year routines
605: if ($yr > 100) {
606: $yr -= 1900;
607: }
608: $date{$rev} = &timelocal($6,$5,$4,$3,$2 - 1,$yr);
609: $author{$rev} = $7;
1.9 fenner 610: $state{$rev} = $8;
1.1 jfieber 611: } else {
612: &fatal("500 Internal Error", "Error parsing RCS output: $_");
613: }
614: line:
615: while (<RCS>) {
616: print "L:", $_ if ($verbose);
617: next line if (/^branches:\s/);
618: last line if (/^----------------------------$/ || /^=========/);
619: $log{$rev} .= $_;
620: }
621: print "E:", $_ if ($verbose);
622: }
623: close(RCS);
624: print "Done reading RCS file\n" if ($verbose);
625: #
626: # Sort the revisions into commit-date order.
627: @revorder = sort {$date{$b} <=> $date{$a}} keys %date;
628: print "Done sorting revisions\n" if ($verbose);
629: #
630: # HEAD is an artificial tag which is simply the highest tag number on the main
1.8 fenner 631: # branch, unless there is a branch tag in the RCS file in which case it's the
632: # highest revision on that branch. Find it by looking through @revorder; it
633: # is the first commit listed on the appropriate branch.
634: $headrev = $curbranch || "1";
1.1 jfieber 635: revision:
636: for ($i = 0; $i <= $#revorder; $i++) {
1.8 fenner 637: if ($revorder[$i] =~ /^(\S*)\.\d+$/ && $headrev eq $1) {
1.1 jfieber 638: if ($revsym{$revorder[$i]}) {
639: $revsym{$revorder[$i]} .= ", ";
640: }
641: $revsym{$revorder[$i]} .= "HEAD";
642: $symrev{"HEAD"} = $revorder[$i];
643: last revision;
644: }
645: }
646: print "Done finding HEAD\n" if ($verbose);
647: #
648: # Now that we know all of the revision numbers, we can associate
649: # absolute revision numbers with all of the symbolic names, and
650: # pass them to the form so that the same association doesn't have
651: # to be built then.
652: #
653: # should make this a case-insensitive sort
654: foreach (sort keys %symrev) {
655: $rev = $symrev{$_};
656: if ($rev =~ /^(\d+(\.\d+)+)\.0\.(\d+)$/) {
1.7 fenner 657: push(@branchnames, $_);
1.1 jfieber 658: #
659: # A revision number of A.B.0.D really translates into
660: # "the highest current revision on branch A.B.D".
661: #
662: # If there is no branch A.B.D, then it translates into
663: # the head A.B .
664: #
665: $head = $1;
666: $branch = $3;
667: $regex = $head . "." . $branch;
668: $regex =~ s/\./\./g;
669: # <
670: # \____/
671: $rev = $head;
672:
673: revision:
674: foreach $r (@revorder) {
675: if ($r =~ /^${regex}/) {
676: $rev = $head . "." . $branch;
677: last revision;
678: }
679: }
680: $revsym{$rev} .= ", " if ($revsym{$rev});
681: $revsym{$rev} .= $_;
1.8 fenner 682: if ($rev ne $head) {
683: $branchpoint{$head} .= ", " if ($branchpoint{$head});
684: $branchpoint{$head} .= $_;
685: }
1.1 jfieber 686: }
687: $sel .= "<OPTION VALUE=\"${rev}:${_}\">$_\n";
688: }
689: print "Done associating revisions with branches\n" if ($verbose);
1.2 jfieber 690: print &html_header("CVS log for $where");
1.9 fenner 691: ($upwhere = $where) =~ s|(Attic/)?[^/]+$||;
692: print "Up to ", &link($upwhere,$scriptname . "/" . $upwhere . $query);
1.1 jfieber 693: print "<BR>\n";
694: print "<A HREF=\"#diff\">Request diff between arbitrary revisions</A>\n";
1.2 jfieber 695: print "<HR NOSHADE>\n";
1.8 fenner 696: if ($curbranch) {
697: print "Default branch is ";
698: print ($revsym{$curbranch} || $curbranch);
699: } else {
700: print "No default branch";
701: }
702: print "<BR><HR NOSHADE>\n";
1.1 jfieber 703: # The other possible U.I. I can see is to have each revision be hot
704: # and have the first one you click do ?r1=foo
705: # and since there's no r2 it keeps going & the next one you click
706: # adds ?r2=foo and performs the query.
707: # I suppose there's no reason we can't try both and see which one
708: # people prefer...
709:
710: for ($i = 0; $i <= $#revorder; $i++) {
711: $_ = $revorder[$i];
1.7 fenner 712: ($br = $_) =~ s/\.\d+$//;
713: next if ($onlyonbranch && $br ne $onlyonbranch &&
714: $_ ne $onlybranchpoint);
1.4 fenner 715: print "<a NAME=\"rev$_\"></a>";
716: foreach $sym (split(", ", $revsym{$_})) {
717: print "<a NAME=\"$sym\"></a>";
718: }
719: if ($revsym{$br} && !$nameprinted{$br}) {
720: foreach $sym (split(", ", $revsym{$br})) {
721: print "<a NAME=\"$sym\"></a>";
722: }
723: $nameprinted{$br}++;
724: }
725: print "\n";
1.10 wosch 726: print "<A HREF=\"$scriptwhere?rev=$_" .
1.12 fenner 727: &cvsroot . "\"><b>$_</b></A>";
1.1 jfieber 728: if (/^1\.1\.1\.\d+$/) {
729: print " <i>(vendor branch)</i>";
730: }
1.14 wosch 731: print " <i>" . &ctime($date{$_}) . " UTC</i> by ";
1.35 ! wosch 732: print "<i>" . $author{$_} . "</i>\n";
1.1 jfieber 733: if ($revsym{$_}) {
734: print "<BR>CVS Tags: <b>$revsym{$_}</b>";
735: }
1.4 fenner 736: if ($revsym{$br}) {
1.1 jfieber 737: if ($revsym{$_}) {
738: print "; ";
739: } else {
740: print "<BR>";
741: }
1.8 fenner 742: print "Branch: <b>$revsym{$br}</b>\n";
743: }
744: if ($branchpoint{$_}) {
745: if ($revsym{$br} || $revsym{$_}) {
746: print "; ";
747: } else {
748: print "<BR>";
749: }
750: print "Branch point for: <b>$branchpoint{$_}</b>\n";
1.1 jfieber 751: }
752: # Find the previous revision on this branch.
753: @prevrev = split(/\./, $_);
754: if (--$prevrev[$#prevrev] == 0) {
755: # If it was X.Y.Z.1, just make it X.Y
756: if ($#prevrev > 1) {
757: pop(@prevrev);
758: pop(@prevrev);
759: } else {
760: # It was rev 1.1 (XXX does CVS use revisions
761: # greater than 1.x?)
762: if ($prevrev[0] != 1) {
763: print "<i>* I can't figure out the previous revision! *</i>\n";
764: }
765: }
766: }
767: if ($prevrev[$#prevrev] != 0) {
768: $prev = join(".", @prevrev);
1.7 fenner 769: print "<BR><A HREF=\"${scriptwhere}.diff?r1=$prev";
1.12 fenner 770: print "&r2=$_" . &cvsroot . "\">Diffs to $prev</A>\n";
1.1 jfieber 771: #
772: # Plus, if it's on a branch, and it's not a vendor branch,
773: # offer to diff with the immediately-preceding commit if it
774: # is not the previous revision as calculated above
775: # and if it is on the HEAD (or at least on a higher branch)
776: # (e.g. change gets committed and then brought
777: # over to -stable)
778: if (!/^1\.1\.1\.\d+$/ && ($i != $#revorder) &&
779: ($prev ne $revorder[$i+1])) {
780: @tmp1 = split(/\./, $revorder[$i+1]);
781: @tmp2 = split(/\./, $_);
782: if ($#tmp1 < $#tmp2) {
1.7 fenner 783: print "; <A HREF=\"${scriptwhere}.diff?r1=$revorder[$i+1]";
1.10 wosch 784: print "&r2=$_" . &cvsroot .
1.12 fenner 785: "\">Diffs to $revorder[$i+1]</A>\n";
1.1 jfieber 786: }
787: }
788: }
1.9 fenner 789: if ($state{$_} eq "dead") {
790: print "<BR><B><I>FILE REMOVED</I></B>\n";
791: }
1.1 jfieber 792: print "<PRE>\n";
1.7 fenner 793: print &htmlify($log{$_}, 1);
1.2 jfieber 794: print "</PRE><HR NOSHADE>\n";
1.1 jfieber 795: }
796: print "<A NAME=diff>\n";
797: print "This form allows you to request diff's between any two\n";
798: print "revisions of a file. You may select a symbolic revision\n";
799: print "name using the selection box or you may type in a numeric\n";
800: print "name using the type-in text box.\n";
801: print "</A><P>\n";
1.7 fenner 802: print "<FORM METHOD=\"GET\" ACTION=\"${scriptwhere}.diff\">\n";
1.12 fenner 803: print "<INPUT TYPE=HIDDEN NAME=\"cvsroot\" VALUE=\"$cvstree\">\n"
1.10 wosch 804: if &cvsroot;
1.1 jfieber 805: print "Diffs between \n";
806: print "<SELECT NAME=\"r1\">\n";
807: print "<OPTION VALUE=\"text\" SELECTED>Use Text Field\n";
808: print $sel;
809: print "</SELECT>\n";
810: print "<INPUT TYPE=\"TEXT\" NAME=\"tr1\" VALUE=\"$revorder[$#revorder]\">\n";
811: print " and \n";
812: print "<SELECT NAME=\"r2\">\n";
813: print "<OPTION VALUE=\"text\" SELECTED>Use Text Field\n";
814: print $sel;
815: print "</SELECT>\n";
816: print "<INPUT TYPE=\"TEXT\" NAME=\"tr2\" VALUE=\"$revorder[0]\">\n";
817: print "<BR><INPUT TYPE=RADIO NAME=\"f\" VALUE=u CHECKED>Unidiff<br>\n";
818: print "<INPUT TYPE=RADIO NAME=\"f\" VALUE=c>Context diff<br>\n";
1.7 fenner 819: print "<INPUT TYPE=RADIO NAME=\"f\" VALUE=s>Side-by-Side<br>\n";
1.1 jfieber 820: print "<INPUT TYPE=SUBMIT VALUE=\"Get Diffs\">\n";
821: print "</FORM>\n";
1.7 fenner 822: print "<HR noshade>\n";
823: print "<A name=branch>\n";
824: print "You may select to see revision information from only\n";
825: print "a single branch.\n";
826: print "</A><P>\n";
827: print "<FORM METHOD=\"GET\" ACTION=\"$scriptwhere\">\n";
1.10 wosch 828: print qq{<input type=hidden name=cvsroot value=$cvstree>\n}
829: if &cvsroot;
1.7 fenner 830: print "Branch: \n";
831: print "<SELECT NAME=\"only_on_branch\">\n";
1.9 fenner 832: print "<OPTION VALUE=\"\"";
833: print " SELECTED" if ($input{"only_on_branch"} eq "");
834: print ">Show all branches\n";
1.7 fenner 835: foreach (sort @branchnames) {
1.9 fenner 836: print "<OPTION";
837: print " SELECTED" if ($input{"only_on_branch"} eq $_);
838: print ">${_}\n";
1.7 fenner 839: }
840: print "</SELECT>\n";
841: print "<INPUT TYPE=SUBMIT VALUE=\"View Branch\">\n";
842: print "</FORM>\n";
1.2 jfieber 843: print &html_footer;
1.1 jfieber 844: print "</BODY></HTML>\n";
1.10 wosch 845: }
846:
847: sub cvsroot {
848: return '' if $cvstree eq $cvstreedefault;
849: return "&cvsroot=" . $cvstree;
1.1 jfieber 850: }
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