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revision 1.2, Sat Feb 24 21:49:17 2001 UTC revision 1.19, Mon Mar 10 22:57:21 2003 UTC
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1  CvsGraph 1.0.1  CvsGraph 1.3.0, 20-Jul-2002
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
5  could not find something right away on the web and decided that it was time to  could not find something right away on the web and decided that it was time to
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8    
9    
10    
11  Notes  New in this version
12  -----  -------------------
13  - I only tested it with:  - Fix warnings in readconf on some 'older' compiler systems.
14          * RedHat Linux 6.[12] and 7.0  
15          * cvs-1.10  - Implement new option to generate proper maps for different levels of HTML.
16          * rcs-5.7    The option -x[34x] determines HTML 3.x (default), HTML 4.x or XHTML style
17          * gd-1.3 and gd-1.8    maps.
18  - CvsGraph generates only gifs for old versions of gd and only png and jpeg for  
19    newer version of gd.  - Implement a scheme to visualize merges based on tag names. If tags are
20      consistently named at the mergepoint and the destination, then these points
21      can be detected using regular expressions. Several new configuration
22      options, merge_*, describe the tags.
23    
24    - Implemented HTMLizing of expansion with %(...%). This prevents a possible
25      cross site scripting exploit when you use '<', '>' or '"' in tagnames.
26      This is a remote chance (you must be stupid to use these characters in a
27      tagname) but anyway, your system can be under attack.
28    
29    - Fixed backing up in the lexer. This improves speed slightly because no
30      rule requires lookahead over one character anymore.
31    
32    
33    
34  Compiling  Compiling
35  ---------  ---------
36  Go to a directory of your choice, unpack the package and cd into the newly  
37  create directory:  create directory:
38          $ cd /where/ever/you/want          $ cd /where/ever/you/want
39          $ tar xzf cvsgraph-1.0.1.tar.gz          $ tar xzf cvsgraph-1.3.0.tar.gz
40          $ cd cvsgraph-1.0.1          $ cd cvsgraph-1.3.0
41            $ ./configure
 Edit the Makefile to suit your needs and run:  
42          $ make          $ make
43    
44  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
45  current directory.  current directory.
46    
47    NOTE:   The GD library is required for CvsGraph to function. Get it from
48            http://www.boutell.com, compile it and use either --with-gd-lib=DIR
49            and --with-gd-inc=DIR to specify its location. You might also have
50            to use --with-z-inc, --with-z-lib and --with-png-inc, --with-png-lib
51            for gd versions 1.6 and higher.
52            If you build with static libgd (i.e. libgd.a) and already have
53            libpng.so and/or libjpeg6b.so (i.e. dynamic), then you might want to
54            try to trick configure into adding these libs to the tests by adding
55            commandline options '--with-png-lib=.' and '--with-jpeg-lib=.'.
56            If you have linked libgd with freetype, then you might also need
57            either --with-freetype-lib or --with-freetype2-lib.
58    
59    
60    
61  Installing  Installing
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72  ----------------  ----------------
73  Do *NOT* execute the program directly from a webserver. Direct execution would  Do *NOT* execute the program directly from a webserver. Direct execution would
74  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
75  normally use. A nice way is to hack the 'cvsweb' package to call CvsGraph.  normally use. The easiest way is to get the ViewCVS package from their website
76    at http://viewcvs.sourceforge.net and follow the instructions.
77    
78    Alternately, you can hack the 'cvsweb' package to call CvsGraph. There are
79    several scripts and patches available from the CvsGraph homepage (see below for
80    address). However, the scripts are no longer maintained because ViewCVS has
81    native support now.
82    
83  To generate an image do something like:  To generate an image do something like:
84          $ cvsgraph -r /home/to/repository -m module -o mygraph.gif myfile.c,v          $ cvsgraph -r /home/to/repository -m module -o mygraph.png myfile.c,v
85    
86  This generates a revison/branch image of the rcs file 'myfile.c,v' and puts it  This generates a revison/branch image of the rcs file 'myfile.c,v' and puts it
87  into 'mygraph.gif'. The '-r' option is the path to the repository *located and  into 'mygraph.png'. The '-r' option is the path to the repository *located and
88  accessible* on your filesystem. The '-m' is the module in the repository. Note  accessible* on your filesystem. The '-m' is the module in the repository. Note
89  that the extension of the file ends with ",v".  that the extension of the file ends with ",v".
90    
91    Just to make it clear:  You cannot make images from a cvs-repository over the
92                            internet as if you were using cvs. The repository files
93                            must be on a locally mounted filesystem. However, you
94                            can use cvsup or rsync to get a repository to your
95                            local filesystem and make then images from there.
96    
97  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
98  (no '-o'), then the output is written to standard output.  (no '-o'), then the output is written to standard output.
99    
100    Please read the manual pages cvsgraph(1) and cvsgraph.conf(5) for more
101    information on execution and configuration.
102    
103    
104    
105  Todo  Todo
106  ----  ----
 - use ImageMagick for better control over what is generated (also multiple  
   output formats would be possible)  
 - find a way to use cvs directly instead of rcs (rlog) without the need for a  
   full checkout of the repository/module  
 - clean up the mess of finding revisions, tags and branches. The main branch  
   does not nessecarily start with revision 1.1  
107  - 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
108    revision-connectors to make place)    revision-connectors to make place). A start is made, but this is not very
109  - redo the entire code :-) All good programs are written twice (at least). The    functional yet.
110    structure is a real mess, but that is the price for hacking away without a  
111    real programming strategy...  - draw only a part or parts of the tree.
112    
113    
114    
115  License  License
116  -------  -------
117  CvsGraph is distributed under GNU GPL v2. See 'LICENCE' for more information.  CvsGraph is distributed under GNU GPL v2. See 'LICENSE' for more information.
118    
119    
120    

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