Annotation of cvsweb/cvsweb.cgi, Revision 1.42
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: #
1.42 ! jdp 31: # $FreeBSD: www/en/cgi/cvsweb.cgi,v 1.41 2000/05/22 08:52:43 hoek 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
1.37 phantom 36: #SERVER_NAME: www.FreeBSD.org
1.1 jfieber 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
1.37 phantom 53: #SERVER_ADMIN: webmaster@FreeBSD.org
1.1 jfieber 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 = (
1.37 phantom 73: 'Germany', 'http://www.de.FreeBSD.org/cgi/cvsweb.cgi',
1.42 ! jdp 74: 'Portugal', 'http://cvsup.pt.freebsd.org/cgi-bin/cvsweb/cvsweb.cgi',
1.40 phantom 75: 'Russian', 'http://www.FreeBSD.org.ua/cgi/cvsweb.cgi?cvsroot=freebsd',
1.37 phantom 76: 'Spain', 'http://www.es.FreeBSD.org/cgi/cvsweb.cgi',
77: 'USA, California', 'http://www.FreeBSD.org/cgi/cvsweb.cgi',
78: 'Japan', 'http://www.jp.FreeBSD.org/cgi/cvsweb.cgi',
1.24 wosch 79: );
80:
1.10 wosch 81: $cvstreedefault = 'freebsd';
82: $cvstree = $cvstreedefault;
83: $cvsroot = $CVSROOT{"$cvstree"} || "/home/ncvs";
84:
85:
1.1 jfieber 86: $intro = "
87: This is a WWW interface to the FreeBSD CVS tree.
88: You can browse the file hierarchy by picking directories
89: (which have slashes after them, e.g. <b>src/</b>).
90: If you pick a file, you will see the revision history
91: for that file.
92: Selecting a revision number will download that revision of
93: the file. There is a link at each revision to display
94: diffs between that revision and the previous one, and
95: a form at the bottom of the page that allows you to
96: display diffs between arbitrary revisions.
97: <p>
1.7 fenner 98: If you would like to use this CGI script on your own web server and
1.37 phantom 99: CVS tree, see <A HREF=\"http://www.FreeBSD.org/~fenner/cvsweb/\">
1.17 wosch 100: the CVSWeb distribution site</A> or the <a
1.39 wosch 101: href=\"http://www.FreeBSD.org/cgi/cvsweb.cgi/www/en/cgi/cvsweb.cgi\">current</a> FreeBSD version.
1.7 fenner 102: <p>
1.1 jfieber 103: Please send any suggestions, comments, etc. to
1.37 phantom 104: <A HREF=\"mailto:fenner\@FreeBSD.org\">Bill Fenner <fenner\@FreeBSD.org></A>
1.1 jfieber 105: ";
106: $shortinstr = "
107: Click on a directory to enter that directory. Click on a file to display
108: its revision history and to get a
109: chance to display diffs between revisions.
110: ";
111:
112: $verbose = $v;
113: ($where = $ENV{'PATH_INFO'}) =~ s|^/||;
114: $where =~ s|/$||;
115: ($scriptname = $ENV{'SCRIPT_NAME'}) =~ s|^/?|/|;
116: $scriptname =~ s|/$||;
117: $scriptwhere = $scriptname . '/' . $where;
118: $scriptwhere =~ s|/$||;
119:
1.9 fenner 120: if ($query = $ENV{'QUERY_STRING'}) {
121: foreach (split(/&/, $query)) {
1.7 fenner 122: s/%(..)/sprintf("%c", hex($1))/ge; # unquote %-quoted
123: if (/(\S+)=(.*)/) {
124: $input{$1} = $2;
125: } else {
126: $input{$_}++;
127: }
128: }
1.9 fenner 129: $query = "?" . $query;
1.7 fenner 130: }
1.10 wosch 131:
132:
1.11 wosch 133: $config = '/usr/local/etc/cvsweb';
134: do "$config" if -f $config;
1.10 wosch 135:
136: if ($input{'cvsroot'}) {
137: if ($CVSROOT{$input{'cvsroot'}}) {
138: $cvstree = $input{'cvsroot'};
139: $cvsroot = $CVSROOT{"$cvstree"};
140: }
141: }
1.11 wosch 142: do "$config-$cvstree" if -f "$config-$cvstree";
1.10 wosch 143:
144: $fullname = $cvsroot . '/' . $where;
1.12 fenner 145:
1.10 wosch 146: if (!-d $cvsroot) {
1.12 fenner 147: &fatal("500 Internal Error",'$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 148: }
149:
150:
1.16 wosch 151: {
152: local(@foo, $i);
153: local($scriptname) = $ENV{'SCRIPT_NAME'};
1.23 wosch 154: foreach (sort keys %CVSROOT) {
1.16 wosch 155: if (-d $CVSROOT{$_}) {
156: push(@foo, $_);
157: }
158: }
1.38 wosch 159: if ($#foo >= 1) {
1.27 hoek 160: $intro .= "<p>\nThis script supports the following CVS trees:\n";
1.16 wosch 161: for($i = 0; $i <= $#foo; $i++) {
162: $intro .= qq{<a href="$scriptname?cvsroot=$foo[$i]">} .
163: ($CVSROOTdescr{$foo[$i]} ?
164: $CVSROOTdescr{$foo[$i]} : $foo[$i]) . qq{</a>} .
165: ($i == $#foo ? ".\n" : ",\n");
1.24 wosch 166: }
167: }
168: }
169:
170:
171: {
172: local(@mirrors) = sort keys %mirrors;;
173: if ($#mirrors >= 0) {
174: $intro .= "<p>\nThis script is mirrored in:\n";
175: local($m);
176: for($m = 0; $m <= $#mirrors; $m++) {
177: $intro .= qq(<a href="$mirrors{$mirrors[$m]}">$mirrors[$m]</a>);
178: $intro .= ',' if $m != $#mirrors;
179: $intro .= "\n";
1.16 wosch 180: }
181: }
182: }
183:
184:
1.1 jfieber 185: if (-d $fullname) {
186: opendir(DIR, $fullname) || &fatal("404 Not Found","$where: $!");
187: @dir = readdir(DIR);
188: closedir(DIR);
189: if ($where eq '') {
1.2 jfieber 190: print &html_header("FreeBSD CVS Repository");
1.1 jfieber 191: print $intro;
192: } else {
1.2 jfieber 193: print &html_header("/$where");
1.1 jfieber 194: print $shortinstr;
195: }
1.16 wosch 196: print "<p>";
1.22 wosch 197: print "Current CVS tree: <b>",
198: ($CVSROOTdescr{"$cvstree"} ? $CVSROOTdescr{"$cvstree"} :
199: $cvstree), "</b><br>\n";
1.16 wosch 200: print "Current directory: <b>/$where</b>\n";
1.2 jfieber 201: print "<P><HR NOSHADE>\n";
1.1 jfieber 202: # Using <MENU> in this manner violates the HTML2.0 spec but
203: # provides the results that I want in most browsers. Another
204: # case of layout spooging up HTML.
205: print "<MENU>\n";
1.9 fenner 206: lookingforattic:
207: for ($i = 0; $i <= $#dir; $i++) {
208: if ($dir[$i] eq "Attic") {
209: last lookingforattic;
210: }
211: }
1.12 fenner 212: $haveattic = 1 if ($i <= $#dir);
1.9 fenner 213: if (!$input{"showattic"} && ($i <= $#dir) &&
214: opendir(DIR, $fullname . "/Attic")) {
215: splice(@dir, $i, 1,
216: grep((s|^|Attic/|,!m|/\.|), readdir(DIR)));
217: closedir(DIR);
218: }
219: # Sort without the Attic/ pathname.
220: foreach (sort {($c=$a)=~s|.*/||;($d=$b)=~s|.*/||;($c cmp $d)} @dir) {
1.1 jfieber 221: if ($_ eq '.') {
222: next;
223: }
1.19 wosch 224: # ignore CVS lock and stale NFS files
225: next if /^#cvs\.|^,|^\.nfs/;
1.18 wosch 226:
1.9 fenner 227: if (s|^Attic/||) {
228: $attic = " (in the Attic)";
229: } else {
230: $attic = "";
231: }
1.1 jfieber 232: if ($_ eq '..') {
233: next if ($where eq '');
234: ($updir = $scriptwhere) =~ s|[^/]+$||;
235: print "<IMG SRC=\"/icons/back.gif\"> ",
1.9 fenner 236: &link("Previous Directory",$updir . $query), "<BR>";
1.7 fenner 237: # print "<IMG SRC=???> ",
238: # &link("Directory-wide diffs", $scriptwhere . '/*'), "<BR>";
1.1 jfieber 239: } elsif (-d $fullname . "/" . $_) {
240: print "<IMG SRC=\"/icons/dir.gif\"> ",
1.12 fenner 241: &link($_ . "/", $scriptwhere . '/' . $_ . '/' . $query),
242: $attic, "<BR>";
1.1 jfieber 243: } elsif (s/,v$//) {
1.7 fenner 244: # TODO: add date/time? How about sorting?
1.1 jfieber 245: print "<IMG SRC=\"/icons/text.gif\"> ",
1.9 fenner 246: &link($_, $scriptwhere . '/' .
247: ($attic ? "Attic/" : "") . $_ . $query),
1.12 fenner 248: $attic, "<BR>";
1.1 jfieber 249: }
250: }
251: print "</MENU>\n";
1.9 fenner 252: if ($input{"only_on_branch"}) {
253: print "<HR><FORM METHOD=\"GET\" ACTION=\"${scriptwhere}\">\n";
254: print "Currently showing only branch $input{'only_on_branch'}.\n";
255: $input{"only_on_branch"}="";
256: foreach $k (keys %input) {
257: print "<INPUT TYPE=hidden NAME=$k VALUE=$input{$k}>\n" if $input{$k};
258: }
259: print "<INPUT TYPE=SUBMIT VALUE=\"Show all branches\">\n";
260: print "</FORM>\n";
261: }
262: $formwhere = $scriptwhere;
263: $formwhere =~ s|Attic/?$|| if ($input{"showattic"});
1.12 fenner 264: if ($haveattic) {
265: print "<HR><FORM METHOD=\"GET\" ACTION=\"${formwhere}\">\n";
266: $input{"showattic"}=!$input{"showattic"};
267: foreach $k (keys %input) {
268: print "<INPUT TYPE=hidden NAME=$k VALUE=$input{$k}>\n" if $input{$k};
269: }
270: print "<INPUT TYPE=SUBMIT VALUE=\"";
271: print ($input{"showattic"} ? "Show" : "Hide");
272: print " attic directories\">\n";
273: print "</FORM>\n";
274: }
1.2 jfieber 275: print &html_footer;
1.1 jfieber 276: print "</BODY></HTML>\n";
277: } elsif (-f $fullname . ',v') {
1.7 fenner 278: if ($input{'rev'} =~ /^[\d\.]+$/) {
279: &checkout($fullname, $input{'rev'});
280: exit;
281: }
282: if ($input{'r1'} && $input{'r2'}) {
283: &dodiff($fullname, $input{'r1'}, $input{'tr1'},
284: $input{'r2'}, $input{'tr2'}, $input{'f'});
1.1 jfieber 285: exit;
286: }
1.12 fenner 287: print("going to dolog($fullname)\n") if ($verbose);
288: &dolog($fullname);
289: } elsif ($fullname =~ s/\.diff$// && -f $fullname . ",v" &&
290: $input{'r1'} && $input{'r2'}) {
291: # Allow diffs using the ".diff" extension
292: # so that browsers that default to the URL
293: # for a save filename don't save diff's as
294: # e.g. foo.c
295: &dodiff($fullname, $input{'r1'}, $input{'tr1'},
296: $input{'r2'}, $input{'tr2'}, $input{'f'});
297: exit;
298: } elsif (($newname = $fullname) =~ s|/([^/]+)$|/Attic/$1| &&
299: -f $newname . ",v") {
300: # The file has been removed and is in the Attic.
301: # Send a redirect pointing to the file in the Attic.
302: ($newplace = $scriptwhere) =~ s|/([^/]+)$|/Attic/$1|;
303: &redirect($newplace);
304: exit;
305: } elsif (0 && (@files = &safeglob($fullname . ",v"))) {
306: print "Content-type: text/plain\n\n";
307: print "You matched the following files:\n";
308: print join("\n", @files);
309: # Find the tags from each file
310: # Display a form offering diffs between said tags
311: } else {
312: # Assume it's a module name with a potential path following it.
1.13 fenner 313: $xtra = $& if (($module = $where) =~ s|/.*||);
1.12 fenner 314: # Is there an indexed version of modules?
315: if (open(MODULES, "$cvsroot/CVSROOT/modules")) {
316: while (<MODULES>) {
317: if (/^(\S+)\s+(\S+)/o && $module eq $1
318: && -d "${cvsroot}/$2" && $module ne $2) {
319: &redirect($scriptname . '/' . $2 . $xtra);
320: }
321: }
322: }
323: &fatal("404 Not Found","$where: no such file or directory");
324: }
325:
326: sub htmlify {
327: local($string, $pr) = @_;
328:
329: $string =~ s/&/&/g;
330: $string =~ s/</</g;
331: $string =~ s/>/>/g;
332:
333: if ($pr) {
1.41 hoek 334: $string =~ s!\b((pr[:#]?\s*#?)|((advocacy|alpha|bin|conf|docs|gnu|i386|kern|misc|ports|sparc)\/))(\d+)\b!<A HREF=http://www.FreeBSD.org/cgi/query-pr.cgi?pr=\5>$&</A>!ig;
1.12 fenner 335: }
336:
337: $string;
338: }
339:
340: sub link {
341: local($name, $where) = @_;
342:
343: "<A HREF=\"$where\">$name</A>\n";
344: }
345:
346: sub revcmp {
347: local($rev1, $rev2) = @_;
348: local(@r1) = split(/\./, $rev1);
349: local(@r2) = split(/\./, $rev2);
350: local($a,$b);
351:
352: while (($a = shift(@r1)) && ($b = shift(@r2))) {
353: if ($a != $b) {
354: return $a <=> $b;
355: }
356: }
357: if (@r1) { return 1; }
358: if (@r2) { return -1; }
359: return 0;
360: }
361:
362: sub fatal {
363: local($errcode, $errmsg) = @_;
364: print "Status: $errcode\n";
365: print &html_header("Error");
366: # print "Content-type: text/html\n";
367: # print "\n";
368: # print "<HTML><HEAD><TITLE>Error</TITLE></HEAD>\n";
369: # print "<BODY>Error: $errmsg</BODY></HTML>\n";
370: print "Error: $errmsg\n";
371: print &html_footer;
372: exit(1);
373: }
374:
375: sub redirect {
376: local($url) = @_;
377: print "Status: 301 Moved\n";
378: print "Location: $url\n";
379: print &html_header("Moved");
380: # print "Content-type: text/html\n";
381: # print "\n";
382: # print "<HTML><HEAD><TITLE>Moved</TITLE></HEAD>\n";
383: # print "<BODY>This document is located <A HREF=$url>here</A>.</BODY></HTML>\n";
384: print "This document is located <A HREF=$url>here</A>.\n";
385: print &html_footer;
386: exit(1);
387: }
388:
389: sub safeglob {
390: local($filename) = @_;
391: local($dirname);
392: local(@results);
393:
394: ($dirname = $filename) =~ s|/[^/]+$||;
395: $filename =~ s|.*/||;
396:
397: if (opendir(DIR, $dirname)) {
398: $glob = $filename;
399: # transform filename from glob to regex. Deal with:
400: # [, {, ?, * as glob chars
401: # make sure to escape all other regex chars
402: $glob =~ s/([\.\(\)\|\+])/\\$1/g;
403: $glob =~ s/\*/.*/g;
404: $glob =~ s/\?/./g;
405: $glob =~ s/{([^}]+)}/($t = $1) =~ s-,-|-g; "($t)"/eg;
406: foreach (readdir(DIR)) {
407: if (/^${glob}$/) {
408: push(@results, $dirname . "/" .$_);
409: }
410: }
411: }
412:
413: @results;
414: }
415:
416: sub checkout {
417: local($fullname, $rev) = @_;
418:
419: open(RCS, "co -p$rev '$fullname' 2>&1 |") ||
420: &fail("500 Internal Error", "Couldn't co: $!");
421: # /home/ncvs/src/sys/netinet/igmp.c,v --> standard output
422: # or
423: # /home/ncvs/src/sys/netinet/igmp.c,v --> stdout
424: # revision 1.1.1.2
425: # /*
426: $_ = <RCS>;
427: if (/^(\S+),v\s+-->\s+st(andar)?d ?out(put)?\s*$/o && $1 eq $fullname) {
428: # As expected
429: } else {
430: &fatal("500 Internal Error",
431: "Unexpected output from co: $_");
432: }
433: $_ = <RCS>;
1.29 fenner 434: if ($rev eq ".") {
435: # latest rev requested, don't check
436: } elsif (/^revision\s+$rev\s*$/) {
1.12 fenner 437: # As expected
438: } else {
439: &fatal("500 Internal Error",
440: "Unexpected output from co: $_");
441: }
442: $| = 1;
443: print "Content-type: text/plain\n\n";
444: print <RCS>;
445: close(RCS);
446: }
447:
448: sub dodiff {
449: local($fullname, $r1, $tr1, $r2, $tr2, $f) = @_;
450:
451: if ($r1 =~ /([^:]+)(:(.+))?/) {
452: $rev1 = $1;
453: $sym1 = $3;
454: }
455: if ($rev1 eq 'text') {
456: $rev1 = $tr1;
457: }
458: if ($r2 =~ /([^:]+)(:(.+))?/) {
459: $rev2 = $1;
460: $sym2 = $3;
461: }
462: if ($rev2 eq 'text') {
463: $rev2 = $tr2;
464: }
465: if (!($rev1 =~ /^[\d\.]+$/) || !($rev2 =~ /^[\d\.]+$/)) {
466: &fatal("404 Not Found",
467: "Malformed query \"$ENV{'QUERY_STRING'}\"");
468: }
469: #
470: # rev1 and rev2 are now both numeric revisions.
471: # Thus we do a DWIM here and swap them if rev1 is after rev2.
472: # XXX should we warn about the fact that we do this?
473: if (&revcmp($rev1,$rev2) > 0) {
474: ($tmp1, $tmp2) = ($rev1, $sym1);
475: ($rev1, $sym1) = ($rev2, $sym2);
476: ($rev2, $sym2) = ($tmp1, $tmp2);
477: }
478: #
479: # XXX Putting '-p' here is a personal preference
480: if ($f eq 'c') {
481: $difftype = '-p -c';
482: $diffname = "Context diff";
483: } elsif ($f eq 's') {
484: $difftype = '--side-by-side --width=164';
485: $diffname = "Side by Side";
486: } else {
487: $difftype = '-p -u';
488: $diffname = "Unidiff";
489: }
490: # XXX should this just be text/plain
491: # or should it have an HTML header and then a <pre>
492: print "Content-type: text/plain\n\n";
493: open(RCSDIFF, "rcsdiff $difftype -r$rev1 -r$rev2 '$fullname' 2>&1 |") ||
494: &fail("500 Internal Error", "Couldn't rcsdiff: $!");
495: #
496: #===================================================================
497: #RCS file: /home/ncvs/src/sys/netinet/tcp_output.c,v
498: #retrieving revision 1.16
499: #retrieving revision 1.17
500: #diff -c -r1.16 -r1.17
501: #*** /home/ncvs/src/sys/netinet/tcp_output.c 1995/11/03 22:08:08 1.16
502: #--- /home/ncvs/src/sys/netinet/tcp_output.c 1995/12/05 17:46:35 1.17
503: #
504: # Ideas:
505: # - nuke the stderr output if it's what we expect it to be
506: # - Add "no differences found" if the diff command supplied no output.
507: #
508: #*** src/sys/netinet/tcp_output.c 1995/11/03 22:08:08 1.16
509: #--- src/sys/netinet/tcp_output.c 1995/12/05 17:46:35 1.17 RELENG_2_1_0
510: # (bogus example, but...)
511: #
512: if ($difftype eq '-u') {
513: $f1 = '---';
514: $f2 = '\+\+\+';
515: } else {
516: $f1 = '\*\*\*';
517: $f2 = '---';
518: }
519: while (<RCSDIFF>) {
520: if (m|^$f1 $cvsroot|o) {
521: s|$cvsroot/||o;
522: if ($sym1) {
523: chop;
524: $_ .= " " . $sym1 . "\n";
525: }
526: } elsif (m|^$f2 $cvsroot|o) {
527: s|$cvsroot/||o;
528: if ($sym2) {
529: chop;
530: $_ .= " " . $sym2 . "\n";
531: }
532: }
533: print $_;
534: }
535: close(RCSDIFF);
536: }
537:
538: sub dolog {
539: local($fullname) = @_;
540: local($curbranch,$symnames); #...
541:
542: print("Going to rlog '$fullname'\n") if ($verbose);
1.1 jfieber 543: open(RCS, "rlog '$fullname'|") || &fatal("500 Internal Error",
544: "Failed to spawn rlog");
545: while (<RCS>) {
546: print if ($verbose);
1.8 fenner 547: if (/^branch:\s+([\d\.]+)/) {
548: $curbranch = $1;
549: }
1.1 jfieber 550: if ($symnames) {
551: if (/^\s+([^:]+):\s+([\d\.]+)/) {
552: $symrev{$1} = $2;
553: if ($revsym{$2}) {
554: $revsym{$2} .= ", ";
555: }
556: $revsym{$2} .= $1;
557: } else {
558: $symnames = 0;
559: }
560: } elsif (/^symbolic names/) {
561: $symnames = 1;
562: } elsif (/^-----/) {
563: last;
564: }
565: }
1.7 fenner 566:
567: if ($onlyonbranch = $input{'only_on_branch'}) {
568: ($onlyonbranch = $symrev{$onlyonbranch}) =~ s/\.0\././;
569: ($onlybranchpoint = $onlyonbranch) =~ s/\.\d+$//;
570: }
571:
1.1 jfieber 572: # each log entry is of the form:
573: # ----------------------------
574: # revision 3.7.1.1
575: # date: 1995/11/29 22:15:52; author: fenner; state: Exp; lines: +5 -3
576: # log info
577: # ----------------------------
578: logentry:
579: while (!/^=========/) {
580: $_ = <RCS>;
1.12 fenner 581: last logentry if (!defined($_)); # EOF
1.1 jfieber 582: print "R:", $_ if ($verbose);
583: if (/^revision ([\d\.]+)/) {
584: $rev = $1;
585: } elsif (/^========/ || /^----------------------------$/) {
586: next logentry;
587: } else {
1.12 fenner 588: # The rlog output is syntactically ambiguous. We must
589: # have guessed wrong about where the end of the last log
590: # message was.
591: # Since this is likely to happen when people put rlog output
592: # in their commit messages, don't even bother keeping
593: # these lines since we don't know what revision they go with
594: # any more.
595: next logentry;
596: # &fatal("500 Internal Error","Error parsing RCS output: $_");
1.1 jfieber 597: }
598: $_ = <RCS>;
599: print "D:", $_ if ($verbose);
1.9 fenner 600: if (m|^date:\s+(\d+)/(\d+)/(\d+)\s+(\d+):(\d+):(\d+);\s+author:\s+(\S+);\s+state:\s+(\S+);|) {
1.1 jfieber 601: $yr = $1;
602: # damn 2-digit year routines
603: if ($yr > 100) {
604: $yr -= 1900;
605: }
606: $date{$rev} = &timelocal($6,$5,$4,$3,$2 - 1,$yr);
607: $author{$rev} = $7;
1.9 fenner 608: $state{$rev} = $8;
1.1 jfieber 609: } else {
610: &fatal("500 Internal Error", "Error parsing RCS output: $_");
611: }
612: line:
613: while (<RCS>) {
614: print "L:", $_ if ($verbose);
615: next line if (/^branches:\s/);
616: last line if (/^----------------------------$/ || /^=========/);
617: $log{$rev} .= $_;
618: }
619: print "E:", $_ if ($verbose);
620: }
621: close(RCS);
622: print "Done reading RCS file\n" if ($verbose);
623: #
624: # Sort the revisions into commit-date order.
625: @revorder = sort {$date{$b} <=> $date{$a}} keys %date;
626: print "Done sorting revisions\n" if ($verbose);
627: #
628: # HEAD is an artificial tag which is simply the highest tag number on the main
1.8 fenner 629: # branch, unless there is a branch tag in the RCS file in which case it's the
630: # highest revision on that branch. Find it by looking through @revorder; it
631: # is the first commit listed on the appropriate branch.
632: $headrev = $curbranch || "1";
1.1 jfieber 633: revision:
634: for ($i = 0; $i <= $#revorder; $i++) {
1.8 fenner 635: if ($revorder[$i] =~ /^(\S*)\.\d+$/ && $headrev eq $1) {
1.1 jfieber 636: if ($revsym{$revorder[$i]}) {
637: $revsym{$revorder[$i]} .= ", ";
638: }
639: $revsym{$revorder[$i]} .= "HEAD";
640: $symrev{"HEAD"} = $revorder[$i];
641: last revision;
642: }
643: }
644: print "Done finding HEAD\n" if ($verbose);
645: #
646: # Now that we know all of the revision numbers, we can associate
647: # absolute revision numbers with all of the symbolic names, and
648: # pass them to the form so that the same association doesn't have
649: # to be built then.
650: #
651: # should make this a case-insensitive sort
652: foreach (sort keys %symrev) {
653: $rev = $symrev{$_};
654: if ($rev =~ /^(\d+(\.\d+)+)\.0\.(\d+)$/) {
1.7 fenner 655: push(@branchnames, $_);
1.1 jfieber 656: #
657: # A revision number of A.B.0.D really translates into
658: # "the highest current revision on branch A.B.D".
659: #
660: # If there is no branch A.B.D, then it translates into
661: # the head A.B .
662: #
663: $head = $1;
664: $branch = $3;
665: $regex = $head . "." . $branch;
666: $regex =~ s/\./\./g;
667: # <
668: # \____/
669: $rev = $head;
670:
671: revision:
672: foreach $r (@revorder) {
673: if ($r =~ /^${regex}/) {
674: $rev = $head . "." . $branch;
675: last revision;
676: }
677: }
678: $revsym{$rev} .= ", " if ($revsym{$rev});
679: $revsym{$rev} .= $_;
1.8 fenner 680: if ($rev ne $head) {
681: $branchpoint{$head} .= ", " if ($branchpoint{$head});
682: $branchpoint{$head} .= $_;
683: }
1.1 jfieber 684: }
685: $sel .= "<OPTION VALUE=\"${rev}:${_}\">$_\n";
686: }
687: print "Done associating revisions with branches\n" if ($verbose);
1.2 jfieber 688: print &html_header("CVS log for $where");
1.9 fenner 689: ($upwhere = $where) =~ s|(Attic/)?[^/]+$||;
690: print "Up to ", &link($upwhere,$scriptname . "/" . $upwhere . $query);
1.1 jfieber 691: print "<BR>\n";
692: print "<A HREF=\"#diff\">Request diff between arbitrary revisions</A>\n";
1.2 jfieber 693: print "<HR NOSHADE>\n";
1.8 fenner 694: if ($curbranch) {
695: print "Default branch is ";
696: print ($revsym{$curbranch} || $curbranch);
697: } else {
698: print "No default branch";
699: }
700: print "<BR><HR NOSHADE>\n";
1.1 jfieber 701: # The other possible U.I. I can see is to have each revision be hot
702: # and have the first one you click do ?r1=foo
703: # and since there's no r2 it keeps going & the next one you click
704: # adds ?r2=foo and performs the query.
705: # I suppose there's no reason we can't try both and see which one
706: # people prefer...
707:
708: for ($i = 0; $i <= $#revorder; $i++) {
709: $_ = $revorder[$i];
1.7 fenner 710: ($br = $_) =~ s/\.\d+$//;
711: next if ($onlyonbranch && $br ne $onlyonbranch &&
712: $_ ne $onlybranchpoint);
1.4 fenner 713: print "<a NAME=\"rev$_\"></a>";
714: foreach $sym (split(", ", $revsym{$_})) {
715: print "<a NAME=\"$sym\"></a>";
716: }
717: if ($revsym{$br} && !$nameprinted{$br}) {
718: foreach $sym (split(", ", $revsym{$br})) {
719: print "<a NAME=\"$sym\"></a>";
720: }
721: $nameprinted{$br}++;
722: }
723: print "\n";
1.10 wosch 724: print "<A HREF=\"$scriptwhere?rev=$_" .
1.12 fenner 725: &cvsroot . "\"><b>$_</b></A>";
1.1 jfieber 726: if (/^1\.1\.1\.\d+$/) {
727: print " <i>(vendor branch)</i>";
728: }
1.14 wosch 729: print " <i>" . &ctime($date{$_}) . " UTC</i> by ";
1.35 wosch 730: print "<i>" . $author{$_} . "</i>\n";
1.1 jfieber 731: if ($revsym{$_}) {
732: print "<BR>CVS Tags: <b>$revsym{$_}</b>";
733: }
1.4 fenner 734: if ($revsym{$br}) {
1.1 jfieber 735: if ($revsym{$_}) {
736: print "; ";
737: } else {
738: print "<BR>";
739: }
1.8 fenner 740: print "Branch: <b>$revsym{$br}</b>\n";
741: }
742: if ($branchpoint{$_}) {
743: if ($revsym{$br} || $revsym{$_}) {
744: print "; ";
745: } else {
746: print "<BR>";
747: }
748: print "Branch point for: <b>$branchpoint{$_}</b>\n";
1.1 jfieber 749: }
750: # Find the previous revision on this branch.
751: @prevrev = split(/\./, $_);
752: if (--$prevrev[$#prevrev] == 0) {
753: # If it was X.Y.Z.1, just make it X.Y
754: if ($#prevrev > 1) {
755: pop(@prevrev);
756: pop(@prevrev);
757: } else {
758: # It was rev 1.1 (XXX does CVS use revisions
759: # greater than 1.x?)
760: if ($prevrev[0] != 1) {
761: print "<i>* I can't figure out the previous revision! *</i>\n";
762: }
763: }
764: }
765: if ($prevrev[$#prevrev] != 0) {
766: $prev = join(".", @prevrev);
1.7 fenner 767: print "<BR><A HREF=\"${scriptwhere}.diff?r1=$prev";
1.12 fenner 768: print "&r2=$_" . &cvsroot . "\">Diffs to $prev</A>\n";
1.1 jfieber 769: #
770: # Plus, if it's on a branch, and it's not a vendor branch,
771: # offer to diff with the immediately-preceding commit if it
772: # is not the previous revision as calculated above
773: # and if it is on the HEAD (or at least on a higher branch)
774: # (e.g. change gets committed and then brought
775: # over to -stable)
776: if (!/^1\.1\.1\.\d+$/ && ($i != $#revorder) &&
777: ($prev ne $revorder[$i+1])) {
778: @tmp1 = split(/\./, $revorder[$i+1]);
779: @tmp2 = split(/\./, $_);
780: if ($#tmp1 < $#tmp2) {
1.7 fenner 781: print "; <A HREF=\"${scriptwhere}.diff?r1=$revorder[$i+1]";
1.10 wosch 782: print "&r2=$_" . &cvsroot .
1.12 fenner 783: "\">Diffs to $revorder[$i+1]</A>\n";
1.1 jfieber 784: }
785: }
786: }
1.9 fenner 787: if ($state{$_} eq "dead") {
788: print "<BR><B><I>FILE REMOVED</I></B>\n";
789: }
1.1 jfieber 790: print "<PRE>\n";
1.7 fenner 791: print &htmlify($log{$_}, 1);
1.2 jfieber 792: print "</PRE><HR NOSHADE>\n";
1.1 jfieber 793: }
794: print "<A NAME=diff>\n";
795: print "This form allows you to request diff's between any two\n";
796: print "revisions of a file. You may select a symbolic revision\n";
797: print "name using the selection box or you may type in a numeric\n";
798: print "name using the type-in text box.\n";
799: print "</A><P>\n";
1.7 fenner 800: print "<FORM METHOD=\"GET\" ACTION=\"${scriptwhere}.diff\">\n";
1.12 fenner 801: print "<INPUT TYPE=HIDDEN NAME=\"cvsroot\" VALUE=\"$cvstree\">\n"
1.10 wosch 802: if &cvsroot;
1.1 jfieber 803: print "Diffs between \n";
804: print "<SELECT NAME=\"r1\">\n";
805: print "<OPTION VALUE=\"text\" SELECTED>Use Text Field\n";
806: print $sel;
807: print "</SELECT>\n";
808: print "<INPUT TYPE=\"TEXT\" NAME=\"tr1\" VALUE=\"$revorder[$#revorder]\">\n";
809: print " and \n";
810: print "<SELECT NAME=\"r2\">\n";
811: print "<OPTION VALUE=\"text\" SELECTED>Use Text Field\n";
812: print $sel;
813: print "</SELECT>\n";
814: print "<INPUT TYPE=\"TEXT\" NAME=\"tr2\" VALUE=\"$revorder[0]\">\n";
815: print "<BR><INPUT TYPE=RADIO NAME=\"f\" VALUE=u CHECKED>Unidiff<br>\n";
816: print "<INPUT TYPE=RADIO NAME=\"f\" VALUE=c>Context diff<br>\n";
1.7 fenner 817: print "<INPUT TYPE=RADIO NAME=\"f\" VALUE=s>Side-by-Side<br>\n";
1.1 jfieber 818: print "<INPUT TYPE=SUBMIT VALUE=\"Get Diffs\">\n";
819: print "</FORM>\n";
1.7 fenner 820: print "<HR noshade>\n";
821: print "<A name=branch>\n";
822: print "You may select to see revision information from only\n";
823: print "a single branch.\n";
824: print "</A><P>\n";
825: print "<FORM METHOD=\"GET\" ACTION=\"$scriptwhere\">\n";
1.10 wosch 826: print qq{<input type=hidden name=cvsroot value=$cvstree>\n}
827: if &cvsroot;
1.7 fenner 828: print "Branch: \n";
829: print "<SELECT NAME=\"only_on_branch\">\n";
1.9 fenner 830: print "<OPTION VALUE=\"\"";
831: print " SELECTED" if ($input{"only_on_branch"} eq "");
832: print ">Show all branches\n";
1.7 fenner 833: foreach (sort @branchnames) {
1.9 fenner 834: print "<OPTION";
835: print " SELECTED" if ($input{"only_on_branch"} eq $_);
836: print ">${_}\n";
1.7 fenner 837: }
838: print "</SELECT>\n";
839: print "<INPUT TYPE=SUBMIT VALUE=\"View Branch\">\n";
840: print "</FORM>\n";
1.2 jfieber 841: print &html_footer;
1.1 jfieber 842: print "</BODY></HTML>\n";
1.10 wosch 843: }
844:
845: sub cvsroot {
846: return '' if $cvstree eq $cvstreedefault;
847: return "&cvsroot=" . $cvstree;
1.1 jfieber 848: }
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