/[CvsGraph]/cvsgraph/README
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revision 1.22, Mon Mar 17 01:33:44 2003 UTC revision 1.48.2.2, Wed May 21 11:51:36 2008 UTC
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1  CvsGraph 1.4.0, 17-Mar-2003  CvsGraph 1.7.0, 21-May-2008
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.  - Do a better job at drawing the merge lines by selecting the shortest path
15    The option -x[34x] determines HTML 3.x (default), HTML 4.x or XHTML style    from the revision boxes. An analysis is now done whether the source and
16    maps.    destinations should be on the left or right side.
17    
18  - Implement a scheme to visualize merges based on tag names. If tags are  - Fix the left_right case for merge lines to display correctly.
19    consistently named at the mergepoint and the destination, then these points  
20    can be detected using regular expressions. Several new configuration  - Fix a +/-1 error on the merge lines to account for both rounding errors and
21    options, merge_*, describe the tags.    the shadow of the revision boxes.
22    
23  - Implemented HTMLizing of expansion with %(...%). This prevents a possible  - Add configuration option 'merge_on_tag' to force the left_right case to
24    cross site scripting exploit when you use '<', '>' or '"' in tagnames.    display merge lines on the tags instead of on the top/bottom sides. This
25    This is a remote chance (you must be stupid to use these characters in a    also solves imagemap overlaps where multiple sources or destinations would
26    tagname) but anyway, your system can be under attack.    be displayed at the same position.
27    
28  - Fixed backing up in the lexer. This improves speed slightly because no  - Fix the imagemap function to record the correct position of the merges.
29    rule requires lookahead over one character anymore.  
30    - Use automake
31  - Fixed a bug in the initial placing of left to right displaying.  
32    - Streamline the package with patches from the Fedora RPMS
 - 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.  
33    
34    
35    
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38    
39  create directory:  create directory:
40          $ cd /where/ever/you/want          $ cd /where/ever/you/want
41          $ tar xzf cvsgraph-1.4.0.tar.gz          $ tar xzf cvsgraph-1.7.0.tar.gz
42          $ cd cvsgraph-1.4.0          $ cd cvsgraph-1.7.0
43          $ ./configure          $ ./configure
44          $ make          $ make
45    
46  This should do the trick and you have an executable file 'cvsgraph' in the  This should do the trick and you have an executable file 'cvsgraph' in the
47  current directory.  current directory.
48    
49  NOTE:   The GD library is required for CvsGraph to function. Get it from  There are often precompiled binaries for Linux, FreeBSD, NetBSD and Windows
50          http://www.boutell.com, compile it and use either --with-gd-lib=DIR  (and probably other OSes too). Check your local mirror for details. I also have
51          and --with-gd-inc=DIR to specify its location. You might also have  some links on the homepage for precompiled binaries. Please do not complain to
52          to use --with-z-inc, --with-z-lib and --with-png-inc, --with-png-lib  me about these binaries.
         for gd versions 1.6 and higher.  
         If you build with static libgd (i.e. libgd.a) and already have  
         libpng.so and/or libjpeg6b.so (i.e. dynamic), then you might want to  
         try to trick configure into adding these libs to the tests by adding  
         commandline options '--with-png-lib=.' and '--with-jpeg-lib=.'.  
         If you have linked libgd with freetype, then you might also need  
         either --with-freetype-lib or --with-freetype2-lib.  
53    
54    
55    
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67  ----------------  ----------------
68  Do *NOT* execute the program directly from a webserver. Direct execution would  Do *NOT* execute the program directly from a webserver. Direct execution would
69  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
70  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:
71  at http://viewcvs.sourceforge.net and follow the instructions.  
72    - ViewCVS       http://viewcvs.sourceforge.net
73    - CVSweb        http://www.freebsd.org/projects/cvsweb.html
74    - Chora         http://www.horde.org/chora/
75    
 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.  
76    
77  To generate an image do something like:  To generate an image do something like:
78          $ 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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96    
97    
98    
99    Contributed code
100    ----------------
101    - contrib/automatic_documentation:
102      If you are interested in tag-management with respect to the correct branch
103      information, then I suggest that you take a look at the contribution from
104      Henrik Carlqvist. He submitted some server-side scripts that can manage tags
105      in a better fashion than cvs on its own.
106    
107    
108    
109  Todo  Todo
110  ----  ----
111  - do a better job in making a layout (auto moving branches and rubber banding  - do a better job in making a layout (auto moving branches and rubber banding
112    revision-connectors to make place). A start is made, but this is not very    revision-connectors to make place). A start is made, but this is not very
113    functional yet.    functional yet.
114    
 - draw only a part or parts of the tree.  
   
115    
116    
117  License  License
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125  HomePage: http://www.akhphd.au.dk/~bertho/cvsgraph  HomePage: http://www.akhphd.au.dk/~bertho/cvsgraph
126  E-mail: cvsgraph@akhphd.au.dk  E-mail: cvsgraph@akhphd.au.dk
127    
128    
129    
130    Mailnote
131    --------
132    As of 20 August 2005, if you send me an email with a contained or attached
133    disclaimer that includes one or more of the following items:
134    
135        * legal notice or threat(s)
136        * disclosure restriction(s)
137        * forward restriction(s)
138        * "intended recipient" nonsense
139    
140    Then you automatically agree to pay me a license fee of DKK 1000,- for using my
141    email address and a DKK 250,- fee for wasting my time on reading it.
142    
143  Greetings Bertho  Greetings Bertho
144    

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