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Revision 1.20 - (show annotations)
Sat Oct 23 00:25:32 2004 UTC (13 years ago) by bertho
Branch: MAIN
CVS Tags: REL_1_5_1
Changes since 1.19: +1 -1 lines
Minor docu updates and release 1.5.1
1 .TH "CvsGraph" "1" "1.5.1" "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 Add a branch box at the end of the trunk too. This option negates the
12 \fBbranch_dupbox\fR setting from the configuration file.
13 .TP
14 \fB\-c\fR \fIfile\fR
15 Read alternate config from \fIfile\fR.
16 .TP
17 \fB\-d\fR \fIlevel\fR
18 Enable debug mode at \fIlevel\fR. The amount of information is determined by a
19 bitwise or of the following: 1=config lexer, 2=config parser, 4=rcsfile lexer,
20 8=rcsfile parser, 16=rcsfile structure. The \fIlevel\fR argument may be in
21 decimal, octal or hexadecimal format.
22 .TP
23 \fB\-h\fR
24 A brief description of possible options.
25 .TP
26 \fB\-i\fR
27 Generate an image map instead of an image.
28 .TP
29 \fB\-I\fR \fIfile\fR
30 Also write an image map to \fIfile\fR. This can be useful if you want to
31 generate both image and image map simultaneously. This halves the total time
32 spent on accessing the repository file because it is parsed only once.
33 .br
34 However, keeping track of auto-generated files can be a bit of a hack if
35 used in HTTP requests (unless you pass both image and HTML file in one
36 HTTP stream).
37 .br
38 Note 1: most time is used for the image-drawing routines (actually libgd),
39 so you might want to think twice in CGI apps.
40 .br
41 Note 2: you can still use '\fB-o\fR' to specify an output file for the image.
42 And, if you also specify '\fB-i\fR', then you'll get two image maps, for
43 whatever purpose that might be.
44 .TP
45 \fB\-k\fR
46 Try to reduce the image size by adjusting inter\-revision spacing and moving
47 trunks more left. This options negates the \fBauto_stretch\fR setting from the
48 configuration file.
49 .TP
50 \fB\-M\fR \fIname\fR
51 Use \fIname\fR as image map name (has only effect in combination with
52 \&'\fB\-i\fR'). This option overrides \fBmap_name\fR in the configuration file.
53 .TP
54 \fB\-m\fR \fImod\fR
55 Use \fImod\fR as the CVS module.
56 This option overrides \fBcvsmodule\fR in the configuration file.
57 .TP
58 \fB\-O\fR \fIcfg_option=value[;opt=val[...]]\fR
59 Set \fIcfg_option\fR to \fIvalue\fR. Multiple \fB-O\fR are allowed as well
60 as multiple options can be set simultaneously by separating them with ';'.
61 See \fBcvsgraph.conf(5)\fR for a detailed list of options.
62 See also \fBCONFIGURATION\fR below.
63 .TP
64 \fB\-o\fR \fIfile\fR
65 Output to \fIfile\fR. Otherwise, output is written to standard output.
66 .TP
67 \fB\-q\fR
68 Be quiet (i.e. no warnings)
69 .TP
70 \fB\-r\fR \fIpath\fR
71 Use \fIpath\fR as the CVS root.
72 This option overrides \fBcvsroot\fR in the configuration file.
73 .TP
74 \fB\-s\fR
75 Strip all untagged revisions from the tree. Only the first, last and each
76 tagged revision of each trunk will be shown. This will greatly reduce the size
77 of the generated image if you didn't tag everything (and are not interested in
78 all revisions). This option negates the \fBstrip_untagged\fR setting from the
79 configuration file.
80 .TP
81 \fB\-S\fR
82 Also strip the first revision in a branch if untagged and not a branch point.
83 This has only effect if \fBstrip_untagged\fR or option '\fB\-s\fR' is set.
84 The '\fB\-S\fR' option negates the \fBstrip_first_rev\fR from the configuration
85 file.
86 .TP
87 \fB\-u\fR
88 Draw the tree upside down (newest revision at the top). This option negates the
89 \fBupside_down\fR setting from the configuration file.
90 .TP
91 \fB\-V\fR
92 Print version and exit.
93 .TP
94 \fB\-x\fR \fI{3,4,x}\fR
95 Set the HTML level of compliance for image maps. Use \fI3\fR for HTML 3.x,
96 \fI4\fR for HTML 4.x and \fIx\fR for XHTML. Default is HTML 3.x compatibility.
97 .TP
98 \fB\-[0\-9]\fR \fItxt\fR
99 Use \fItxt\fR for expansion
100 .SH "CONFIGURATION"
101 \fBCvsGraph\fR starts with reading a configuration file. If the '\fB\-c\fR'
102 option is given on the command line, then it is read. Otherwise, \fBcvsgraph\fR
103 first looks for a configuration file in the current directory using
104 \fI./cvsgraph.conf\fR and, if not found, tries to open
105 \fI/usr/local/etc/cvsgraph.conf\fR. Defaults and command line overrides
106 will be used if no configuration file can be opened. The format of the
107 configuration file is described in \fBcvsgraph.conf(5)\fR. Configuration
108 parameters entered on the command line have always precedence over the
109 configuration file. Configuration options are processed in the following
110 order:
111 .br
112 - configuration file
113 .br
114 - '\fB-O\fR' command line options
115 .br
116 - other command line overrides (\fB-bkMmrSsu\fR)
117 .br
118 If you do not want to process any configuration file, then you can set option
119 \'\fB-c /dev/null\fR', which will read an empty configuration file.
120 .PP
121 The location of a repository file is determined by the configuration parameters
122 \fBcvsroot\fR and \fBcvsmodule\fR and the respective command line options
123 \&'\fB\-r\fR' and '\fB\-m\fR'. The \fBcvsroot\fR, \fBcvsmodule\fR and \fIfile\fR
124 are concatenated with separating '/' path\-separators forming the final
125 location:
126 .br
127 <cvsroot>/<cvsmodule>/\fIfile\fR
128 .br
129 No path\-separator is appended if \fBcvsroot\fR and \fBcvsmodule\fR are empty
130 strings. An error message is issued if the resulting path cannot be opened.
131 Note that \fBcvsgraph\fR does not attempt to check any validity of the path
132 components. This enables a user to open any file on the file\-system by setting
133 \fBcvsroot\fR and \fBcvsmodule\fR to empty strings.
134 .br
135 For example, \fIcvsgraph \-r '' \-m '' ../myfile,v\fR would try to open the
136 file \fI../myfile,v\fR. Note that a variety of possibilities yield the same
137 file and all have their advantages and drawbacks, which are mostly related to
138 the possible use of the parameters in text expansions.
139 .PP
140 If no \fIfile\fR is given on the command line, then input is read from standard
141 input. This can make expansion strings somewhat strange looking, but they are
142 composed with the information available. If no input file was given, then the
143 input filename for expansion is set to \fB<stdin>\fR.
144
145 .SH "OUTPUT"
146 The output generated by \fBcvsgraph\fR can be either an image (default) or and
147 HTML image map ('\fB\-i\fR' and '\fB-I\fR' options).
148 .br
149 Images can have several formats, depending on the capabilities of the gd
150 library on which the drawing is built. The configuration allows for GIF, PNG or
151 JPEG type images. Newer versions of gd do no longer support GIF and PNG will be
152 used instead.
153 .br
154 Generation of image maps conforms to the HTML standard and maps rectangular
155 regions of the image where revisions and branches are drawn. Additionally, an
156 extra rectangular region is generated between revisions to support diff
157 generation.
158 .SH "FILES"
159 .LP
160 .TP
161 \fI/usr/local/etc/cvsgraph.conf\fR
162 Configuration file read for default layout parameters.
163 .SH "AUTHOR"
164 \fBCvsGraph\fR is written and maintained by B. Stultiens.
165 .br
166 Send comments and bug reports to \fIcvsgraph@akhphd.au.dk\fR and
167 visit the homepage at:
168 .br
169 \fIhttp://www.akhphd.au.dk/~bertho/cvsgraph/\fR.
170 .SH "SEE ALSO"
171 .BR cvsgraph.conf(5)

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