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sccs.cgi
This is a CGI program that provides a web interface to SCCS, the version control
system. I wrote it because I wanted a convenient interface to the revision
history data on the CSRG Archive CD-ROMs.
With this program, you can:
o browse through directories;
o view the complete revision history of SCCS files;
o view arbitrary versions of SCCS files;
o view formatted versions of man pages stored in SCCS;
o view the difference between successive versions; and
o view the difference between arbitrary versions.
Requirements
Before you start, make sure you have the following software:
o Perl. I've only tested with Perl 5.6.1.
o GNU diff (or any other diff that supports the -u option)
o An SCCS implementation. I use GNU CSSC. I have not tested it with
anything else!
o GNU groff if you want to use the manpage-to-HTML translation feature.
o A web server that supports CGI.
Security
This program provides a web browsing interface to a portion of your file
system. You are therefore recommended to restrict access to it. It also invokes
whatever SCCS implementation you have; if that has any bugs then they may become
security problems when used with this program.
This program will also invoke groff on arbitrary files in the SCCS repository,
if you configure it to do so. This might be risky, so the feature is turned off
by default.
Installation
1. Modify the assignment of $root at the top of the script so that it
points to the directory containing your source tree (or
whatever)
2. If you have groff, and don't think that running it from a CGI program
is risky, add "man2html" to the list of allowed filters at the top of
the script.
3. Install it in your cgi-bin directory (or in some other way that your
web server will be able to access it). Remember to make it
executable.
4. Visit its URL and check that it works.
Reporting Bugs
Please report any bugs to richard+sccscgi@sfere.greenend.org.uk. If you think
you have found a bug, please check that there isn't a more recent version that
fixes it before mailing me. If you include a patch, please use "diff -u" format.
Changes
2001-11-25: support for colorizing diffs (which is on by default) and formatting
man pages to html (which is off by default, as you might not trust, or even
have, groff).
Copyright
sccs.cgi is Copyright 2001 Richard Kettlewell.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
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