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Revision 1.25 - (show annotations)
Sat Jul 8 13:56:54 2006 UTC (11 years, 5 months ago) by bertho
Branch: MAIN
CVS Tags: REL_1_6_1
Changes since 1.24: +1 -1 lines
Prepare release 1.6.1
1 .TH "CvsGraph" "1" "1.6.1" "B. Stultiens" "CVS/RCS Utilities"
2 .SH "NAME"
3 cvsgraph \- A CVS/RCS repository grapher
4 .SH "SYNOPSIS"
5 \fBcvsgraph\fR [\fIoptions\fR] [\fIfile\fR]
6 .SH "DESCRIPTION"
7 \fBCvsGraph\fR generates images and image maps from CVS/RCS repository files.
8 .SH "OPTIONS"
9 .TP
10 \fB\-b\fR
11 Deprecated, use -O'branch_dupbox=-1' for same functionality.
12 .TP
13 \fB\-c\fR \fIfile\fR
14 Read alternate config from \fIfile\fR.
15 .TP
16 \fB\-d\fR \fIlevel\fR
17 Enable debug mode at \fIlevel\fR. The amount of information is determined by a
18 bitwise or of the following: 1=config lexer, 2=config parser, 4=rcsfile lexer,
19 8=rcsfile parser, 16=rcsfile structure. The \fIlevel\fR argument may be in
20 decimal, octal or hexadecimal format.
21 .TP
22 \fB\-h\fR
23 A brief description of possible options.
24 .TP
25 \fB\-i\fR
26 Generate an image map instead of an image.
27 .TP
28 \fB\-I\fR \fIfile\fR
29 Also write an image map to \fIfile\fR. This can be useful if you want to
30 generate both image and image map simultaneously. This halves the total time
31 spent on accessing the repository file because it is parsed only once.
32 .br
33 However, keeping track of auto-generated files can be a bit of a hack if
34 used in HTTP requests (unless you pass both image and HTML file in one
35 HTTP stream).
36 .br
37 Note 1: most time is used for the image-drawing routines (actually libgd),
38 so you might want to think twice in CGI apps.
39 .br
40 Note 2: you can still use '\fB-o\fR' to specify an output file for the image.
41 And, if you also specify '\fB-i\fR', then you'll get two image maps, for
42 whatever purpose that might be.
43 .TP
44 \fB\-k\fR
45 Deprecated, use -O'auto_stretch=-1' for same functionality.
46 .br
47 This function is \fBnot\fR stable.
48 .TP
49 \fB\-M\fR \fIname\fR
50 Deprecated, use -O'map_name="AMapName"' for same functionality.
51 .TP
52 \fB\-m\fR \fImod\fR
53 Use \fImod\fR as the CVS module.
54 This option overrides \fBcvsmodule\fR in the configuration file.
55 .TP
56 \fB\-O\fR \fIcfg_option=value[;opt=val[...]]\fR
57 Set \fIcfg_option\fR to \fIvalue\fR. Multiple \fB-O\fR are allowed as well
58 as multiple options can be set simultaneously by separating them with ';'.
59 See \fBcvsgraph.conf(5)\fR for a detailed list of options.
60 See also \fBCONFIGURATION\fR below.
61 .TP
62 \fB\-o\fR \fIfile\fR
63 Output to \fIfile\fR. Otherwise, output is written to standard output.
64 .TP
65 \fB\-q\fR
66 Be quiet (i.e. no warnings)
67 .TP
68 \fB\-r\fR \fIpath\fR
69 Use \fIpath\fR as the CVS root.
70 This option overrides \fBcvsroot\fR in the configuration file.
71 .TP
72 \fB\-s\fR
73 Deprecated, use -O'strip_untagged=-1' for same functionality.
74 .TP
75 \fB\-S\fR
76 Deprecated, use -O'strip_first_rev=-1' for same functionality.
77 .TP
78 \fB\-u\fR
79 Deprecated, use -O'upside_down=-1' for same functionality.
80 .TP
81 \fB\-V\fR
82 Print version and exit.
83 .TP
84 \fB\-x\fR \fI{3,4,x}\fR
85 Set the HTML level of compliance for image maps. Use \fI3\fR for HTML 3.x,
86 \fI4\fR for HTML 4.x and \fIx\fR for XHTML. Default is HTML 3.x compatibility.
87 .TP
88 \fB\-[0\-9]\fR \fItxt\fR
89 Use \fItxt\fR for expansion
90 .SH "CONFIGURATION"
91 \fBCvsGraph\fR starts with reading a configuration file. If the '\fB\-c\fR'
92 option is given on the command line, then it is read. Otherwise, \fBcvsgraph\fR
93 first looks for a configuration file in the current directory using
94 \fI./cvsgraph.conf\fR and, if not found, tries to open
95 \fI/usr/local/etc/cvsgraph.conf\fR. Defaults and command line overrides
96 will be used if no configuration file can be opened. The format of the
97 configuration file is described in \fBcvsgraph.conf(5)\fR. Configuration
98 parameters entered on the command line have always precedence over the
99 configuration file. Configuration options are processed in the following
100 order:
101 .br
102 - configuration file
103 .br
104 - '\fB-O\fR' command line options
105 .br
106 - other command line overrides (\fB-bkMmrSsu\fR)
107 .br
108 If you do not want to process any configuration file, then you can set option
109 \'\fB-c /dev/null\fR', which will read an empty configuration file.
110 .PP
111 The location of a repository file is determined by the configuration parameters
112 \fBcvsroot\fR and \fBcvsmodule\fR and the respective command line options
113 \&'\fB\-r\fR' and '\fB\-m\fR'. The \fBcvsroot\fR, \fBcvsmodule\fR and \fIfile\fR
114 are concatenated with separating '/' path\-separators forming the final
115 location:
116 .br
117 <cvsroot>/<cvsmodule>/\fIfile\fR
118 .br
119 No path\-separator is appended if \fBcvsroot\fR and \fBcvsmodule\fR are empty
120 strings. An error message is issued if the resulting path cannot be opened.
121 Note that \fBcvsgraph\fR does not attempt to check any validity of the path
122 components. This enables a user to open any file on the file\-system by setting
123 \fBcvsroot\fR and \fBcvsmodule\fR to empty strings.
124 .br
125 For example, \fIcvsgraph \-r '' \-m '' ../myfile,v\fR would try to open the
126 file \fI../myfile,v\fR. Note that a variety of possibilities yield the same
127 file and all have their advantages and drawbacks, which are mostly related to
128 the possible use of the parameters in text expansions.
129 .PP
130 If no \fIfile\fR is given on the command line, then input is read from standard
131 input. This can make expansion strings somewhat strange looking, but they are
132 composed with the information available. If no input file was given, then the
133 input filename for expansion is set to \fB<stdin>\fR.
134
135 .SH "OUTPUT"
136 The output generated by \fBcvsgraph\fR can be either an image (default) or and
137 HTML image map ('\fB\-i\fR' and '\fB-I\fR' options).
138 .br
139 Images can have several formats, depending on the capabilities of the gd
140 library on which the drawing is built. The configuration allows for GIF, PNG or
141 JPEG type images. Some recent versions of gd do no longer support GIF and PNG
142 will be used instead. GIF support in gd was added again after the lzw patent
143 expired.
144 .br
145 Generation of image maps conforms to the HTML standard and maps rectangular
146 regions of the image where revisions and branches are drawn. Additionally, an
147 extra rectangular region is generated between revisions to support diff
148 generation.
149 .SH "FILES"
150 .LP
151 .TP
152 \fI/usr/local/etc/cvsgraph.conf\fR
153 Configuration file read for default layout parameters.
154 .SH "AUTHOR"
155 \fBCvsGraph\fR is written and maintained by B. Stultiens.
156 .br
157 Send comments and bug reports to \fIcvsgraph@akhphd.au.dk\fR (read the mailnote
158 in the README file first) and visit the homepage at:
159 .br
160 \fIhttp://www.akhphd.au.dk/~bertho/cvsgraph/\fR.
161 .SH "SEE ALSO"
162 .BR cvsgraph.conf(5)

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