/[CvsGraph]/cvsgraph/README
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revision 1.22, Mon Mar 17 01:33:44 2003 UTC revision 1.25, Sat Aug 14 14:56:18 2004 UTC
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1  CvsGraph 1.4.0, 17-Mar-2003  CvsGraph 1.4.2, 16-Jul-2004
2  ===========================  ===========================
3  CvsGraph creates a graphic representation of the revisions and branches in a  CvsGraph creates a graphic representation of the revisions and branches in a
4  cvs/rcs repository. CvsGraph is inspired on the 'graph'-option from WinCVS. I  cvs/rcs repository. CvsGraph is inspired on the 'graph'-option from WinCVS. I
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10    
11  New in this version  New in this version
12  -------------------  -------------------
 - Fix warnings in readconf on some 'older' compiler systems.  
13    
14  - Implement new option to generate proper maps for different levels of HTML.  - Add regex method for ignoring tags in the generation of the graph. Old trees
15    The option -x[34x] determines HTML 3.x (default), HTML 4.x or XHTML style    are overpolulated and this is a way to reduce it even further. New config
16    maps.    options tag_ignore, tag_nocase and tag_negate.
17    
18  - Implement a scheme to visualize merges based on tag names. If tags are  
19    consistently named at the mergepoint and the destination, then these points  
20    can be detected using regular expressions. Several new configuration  Known BUGS
21    options, merge_*, describe the tags.  ----------
22    
23  - Implemented HTMLizing of expansion with %(...%). This prevents a possible  - The timezone variable does not seem to exist on Mac OSX. I have no clue how
24    cross site scripting exploit when you use '<', '>' or '"' in tagnames.    to patch this yet.
25    This is a remote chance (you must be stupid to use these characters in a    Anyhow, the timezone problem is much worse, because it needs to be calculated
26    tagname) but anyway, your system can be under attack.    from the revision's commit-time and not the current timezone (Daylight saving
27      must be accounted for at commit's time, not current).
 - Fixed backing up in the lexer. This improves speed slightly because no  
   rule requires lookahead over one character anymore.  
   
 - Fixed a bug in the initial placing of left to right displaying.  
   
 - Half-fixed a bug in the kerning code, where a loop-safeguard was triggered  
   way too soon (at 100 iterations). This has now been changed to 10000, but  
   should be dependent on the number of drawable branches, as the function is  
   _at least_ order O(N^2). However, more analysis is required to ensure  
   safe guarding under all circumstances.  
   
 - Implemented folding of empty branches. Many uses of CVS create many  
   branches on the same revision but have no commits on them. This occurs  
   often with stable files like .cvsignore files and the like. A new  
   configuration option branch_fold enables imaging consequtive brances  
   with no commits in the same branch-box. This reduces images by a huge  
   factor (28000x1700 -> 2100x2300, i.e. a factor of 10). It also speeds up  
   drawing considerably. The branch_fold option is *on* by default.  
   
 - Fix duplicate branch-boxes (branch_dupbox=true). No duplicates should be  
   created if there are no commits on a specific branch. There is no reason  
   for having two boxes on top of each other.  
   
 - Implement folding for all branches on the same branchpoint if empty. New  
   option branch_foldall controls this behavior. See cvsgraph.conf(5) for  
   details. The imagemap is configured to map all branches within the box.  
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29    
30    
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33    
34  create directory:  create directory:
35          $ cd /where/ever/you/want          $ cd /where/ever/you/want
36          $ tar xzf cvsgraph-1.4.0.tar.gz          $ tar xzf cvsgraph-1.4.2.tar.gz
37          $ cd cvsgraph-1.4.0          $ cd cvsgraph-1.4.2
38          $ ./configure          $ ./configure
39          $ make          $ make
40    
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69  ----------------  ----------------
70  Do *NOT* execute the program directly from a webserver. Direct execution would  Do *NOT* execute the program directly from a webserver. Direct execution would
71  be very insecure. Make a wrapper cgi-script in php, perl, or whatever you  be very insecure. Make a wrapper cgi-script in php, perl, or whatever you
72  normally use. The easiest way is to get the ViewCVS package from their website  normally use. There are several web-based viewers with CvsGraph support:
73  at http://viewcvs.sourceforge.net and follow the instructions.  
74    - ViewCVS       http://viewcvs.sourceforge.net
75    - CVSweb        http://www.freebsd.org/projects/cvsweb.html
76    - Chora         http://www.horde.org/chora/
77    
 Alternately, you can hack the 'cvsweb' package to call CvsGraph. There are  
 several scripts and patches available from the CvsGraph homepage (see below for  
 address). However, the scripts are no longer maintained because ViewCVS has  
 native support now.  
78    
79  To generate an image do something like:  To generate an image do something like:
80          $ cvsgraph -r /home/to/repository -m module -o mygraph.png myfile.c,v          $ cvsgraph -r /home/to/repository -m module -o mygraph.png myfile.c,v

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