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revision 1.15, Sat Jul 20 00:48:16 2002 UTC revision 1.50, Wed May 21 13:33:35 2008 UTC
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1  CvsGraph 1.3.0, 20-Jul-2002  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  -------------------  -------------------
 - Implement a workaround for browsers that do not understand unordered  
   y-coordinates in the imagemap when generated upside down.  
13    
14  - Fix the slowness of CvsGraph when parsing very large (typically -kb files)  - Do a better job at drawing the merge lines by selecting the shortest path
15    by bypassing the parsing of the actual deltatext. On my machine (K6-2/500/256M    from the revision boxes. An analysis is now done whether the source and
16    it makes a difference of 7.5s vs 0.04s on a 93MByte file, without counting    destinations should be on the left or right side.
17    disk-overhead; with disk-overhead it takes 12.5s).  
18    Downside is that the logentry cannot be expanded if the file is not parsed in  - Fix the left_right case for merge lines to display correctly.
19    full (see below). Use option parse_logs to enable log-expansions.  
20    - Fix a +/-1 error on the merge lines to account for both rounding errors and
21  - Implemented logentry expansions using %l and %L. You must enable full parsing    the shadow of the revision boxes.
22    (option parse_logs) for this to work.  
23    - Add configuration option 'merge_on_tag' to force the left_right case to
24  - Fixed a possible buffer overflow in the string expansion. However, this is a    display merge lines on the tags instead of on the top/bottom sides. This
25    very low-risk overflow, since it will trash the heap and _not_ the stack.    also solves imagemap overlaps where multiple sources or destinations would
26    Furthermore, you need to pass strings from CGI directly to cvsgraph without    be displayed at the same position.
27    any checks to come even close to trash the heap.  
28    - Fix the imagemap function to record the correct position of the merges.
29  - Fixed a segfault on IRIX in the bsearch calls. These lookups could be called  
30    with a NULL pointer and IRIX's libc doesn't like that.  - Use automake
31    
32  - Implement left to right and right to left images. The entire tree can now be  - Streamline the package with patches from the Fedora RPMS
   drawn horizontally when option left_right is set. Using both left_right and  
   upside_down results in right to left images.  
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-1.3.0.tar.gz          $ tar xzf cvsgraph-1.7.0.tar.gz
42          $ cd cvsgraph-1.3.0          $ 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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86                          internet as if you were using cvs. The repository files                          internet as if you were using cvs. The repository files
87                          must be on a locally mounted filesystem. However, you                          must be on a locally mounted filesystem. However, you
88                          can use cvsup or rsync to get a repository to your                          can use cvsup or rsync to get a repository to your
89                          local filesystem and make then image from there.                          local filesystem and make then images from there.
90    
91  Type 'cvsgraph -h' to get a full list of options. If the output is not given  Type 'cvsgraph -h' to get a full list of options. If the output is not given
92  (no '-o'), then the output is written to standard output.  (no '-o'), then the output is written to standard output.
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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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