/[CvsGraph]/cvsgraph/README
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revision 1.9, Wed Dec 19 18:10:58 2001 UTC revision 1.21, Fri Mar 14 14:24:50 2003 UTC
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1  CvsGraph 1.1.4, 19-Dec-2001  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
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10    
11  New in this version  New in this version
12  -------------------  -------------------
13  - The entire tree can now be drawn upside-down. This is usefull if you have  - Fix warnings in readconf on some 'older' compiler systems.
14    many revisions in a trunk and want to see the latest first. The configuration  
15    includes an option 'upside_down' with a boolean argument. You can override the  - Implement new option to generate proper maps for different levels of HTML.
16    default value on the command-line with the '-u' switch, which will negate the    The option -x[34x] determines HTML 3.x (default), HTML 4.x or XHTML style
17    configured value.    maps.
18    The imagemap generation also supports this, so you will still be able to point  
19    and shoot on and between the revisions.  - 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  - You can now instruct CvsGraph to ommit all revisions that are not tagged. This    can be detected using regular expressions. Several new configuration
22    is highly usefull for very large trees/trunks to reduce the produced image    options, merge_*, describe the tags.
23    size. Note that the first and the last revision in a trunk never are hidden.  
24    A new configuration option 'strip_untagged' with boolean argument enables this  - Implemented HTMLizing of expansion with %(...%). This prevents a possible
25    feature. Alternatively, the command-line provides option '-s' wich negates the    cross site scripting exploit when you use '<', '>' or '"' in tagnames.
26    value set in the configuration file.    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  - The boxes to identify the branches can now be drawn on both sides of the trunk.  
29    Configuration option 'branch_dupbox' with boolean argument activates this  - Fixed backing up in the lexer. This improves speed slightly because no
30    feature, which is usefull when the tree is drawn upside-down.The command-line    rule requires lookahead over one character anymore.
31    option '-b' negated the configured value.  
32    - Fixed a bug in the initial placing of left to right displaying.
33  - ViewCVS (http://viewcvs.sourceforge.net) is now officially supporting the use  
34    of CvsGraph in their code as of version 0.8. So, no bad hacks needed anymore  - Half-fixed a bug in the kerning code, where a loop-safeguard was triggered
35    to get it working, and it always looks nice :-)    way too soon (at 100 iterations). This has now been changed to 10000, but
36      should be dependent on the number of drawable branches, as the function is
37      _at least_ order O(N^2). However, more analysis is required to ensure
38      safe guarding under all circumstances.
39    
40    - Implemented folding of empty branches. Many uses of CVS create many
41      branches on the same revision but have no commits on them. This occurs
42      often with stable files like .cvsignore files and the like. A new
43      configuration option branch_fold enables imaging consequtive brances
44      with no commits in the same branch-box. This reduces images by a huge
45      factor (28000x1700 -> 2100x2300, i.e. a factor of 10). It also speeds up
46      drawing considerably. The branch_fold option is *on* by default.
47    
48    - Fix duplicate branch-boxes (branch_dupbox=true). No duplicates should be
49      created if there are no commits on a specific branch. There is no reason
50      for having two boxes on top of each other.
51    
52    - Implement folding for all branches on the same branchpoint if empty. New
53      option branch_foldall controls this behavior. See cvsgraph.conf(5) for
54      details.
55    
56    
57    
58  Compiling  Compiling
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60    
61  create directory:  create directory:
62          $ cd /where/ever/you/want          $ cd /where/ever/you/want
63          $ tar xzf cvsgraph-1.1.4.tar.gz          $ tar xzf cvsgraph-1.3.0.tar.gz
64          $ cd cvsgraph-1.1.4          $ cd cvsgraph-1.3.0
65          $ ./configure          $ ./configure
66          $ make          $ make
67    
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77          libpng.so and/or libjpeg6b.so (i.e. dynamic), then you might want to          libpng.so and/or libjpeg6b.so (i.e. dynamic), then you might want to
78          try to trick configure into adding these libs to the tests by adding          try to trick configure into adding these libs to the tests by adding
79          commandline options '--with-png-lib=.' and '--with-jpeg-lib=.'.          commandline options '--with-png-lib=.' and '--with-jpeg-lib=.'.
80            If you have linked libgd with freetype, then you might also need
81            either --with-freetype-lib or --with-freetype2-lib.
82    
83    
84    
85  Installing  Installing
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96  ----------------  ----------------
97  Do *NOT* execute the program directly from a webserver. Direct execution would  Do *NOT* execute the program directly from a webserver. Direct execution would
98  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
99  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
100  There are several scripts and patches available from the CvsGraph homepage (see  at http://viewcvs.sourceforge.net and follow the instructions.
101  below for address).  
102    Alternately, you can hack the 'cvsweb' package to call CvsGraph. There are
103    several scripts and patches available from the CvsGraph homepage (see below for
104    address). However, the scripts are no longer maintained because ViewCVS has
105    native support now.
106    
107  To generate an image do something like:  To generate an image do something like:
108          $ 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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116                          internet as if you were using cvs. The repository files                          internet as if you were using cvs. The repository files
117                          must be on a locally mounted filesystem. However, you                          must be on a locally mounted filesystem. However, you
118                          can use cvsup or rsync to get a repository to your                          can use cvsup or rsync to get a repository to your
119                          local filesystem and make then image from there.                          local filesystem and make then images from there.
120    
121  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
122  (no '-o'), then the output is written to standard output.  (no '-o'), then the output is written to standard output.
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129  Todo  Todo
130  ----  ----
131  - 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
132    revision-connectors to make place)    revision-connectors to make place). A start is made, but this is not very
133      functional yet.
134    
135    - draw only a part or parts of the tree.
136    
137    
138    

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