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cvs(5) cvs(5)

NAME
cvs - Concurrent Versions System support files

NOTE
This documentation may no longer be up to date. Please consult the Cederqvist (CVS Manual) as specified in cvs(1).

SYNOPSIS
$CVSROOT/CVSROOT/commitinfo,v

$CVSROOT/CVSROOT/cvsignore,v

$CVSROOT/CVSROOT/cvswrappers,v

$CVSROOT/CVSROOT/editinfo,v

$CVSROOT/CVSROOT/history

$CVSROOT/CVSROOT/loginfo,v

$CVSROOT/CVSROOT/modules,v

$CVSROOT/CVSROOT/rcsinfo,v

$CVSROOT/CVSROOT/taginfo,v

DESCRIPTION
cvs is a system for providing source control to hierarchical collections of source directories. Commands and procedures
for using cvs are described in cvs(1).

cvs manages source repositories, the directories containing master copies of the revision-controlled files, by copying
particular revisions of the files to (and modifications back from) developers' private working directories. In terms of
file structure, each individual source repository is an immediate subdirectory of $CVSROOT.

The files described here are supporting files; they do not have to exist for cvs to operate, but they allow you to make
cvs operation more flexible.

You can use the `modules' file to define symbolic names for collections of source maintained with cvs. If there is no
`modules' file, developers must specify complete path names (absolute, or relative to $CVSROOT) for the files they wish
to manage with cvs commands.

You can use the `commitinfo' file to define programs to execute whenever `cvs commit' is about to execute. These pro-
grams are used for ``pre-commit'' checking to verify that the modified, added, and removed files are really ready to be
committed. Some uses for this check might be to turn off a portion (or all) of the source repository from a particular
person or group. Or, perhaps, to verify that the changed files conform to the site's standards for coding practice.

You can use the `cvswrappers' file to record cvs wrapper commands to be used when checking files into and out of the
repository. Wrappers allow the file or directory to be processed on the way in and out of CVS. The intended uses are
many, one possible use would be to reformat a C file before the file is checked in, so all of the code in the repository
looks the same.

You can use the `loginfo' file to define programs to execute after any commit, which writes a log entry for changes in
the repository. These logging programs might be used to append the log message to a file. Or send the log message
through electronic mail to a group of developers. Or, perhaps, post the log message to a particular newsgroup.

You can use the `taginfo' file to define programs to execute after any tagorrtag operation. These programs might be used
to append a message to a file listing the new tag name and the programmer who created it, or send mail to a group of de-
velopers, or, perhaps, post a message to a particular newsgroup.

You can use the `rcsinfo' file to define forms for log messages.

You can use the `editinfo' file to define a program to execute for editing/validating `cvs commit' log entries. This is
most useful when used with a `rcsinfo' forms specification, as it can verify that the proper fields of the form have been
filled in by the user committing the change.

You can use the `cvsignore' file to specify the default list of files to ignore during update.

You can use the `history' file to record the cvs commands that affect the repository. The creation of this file enables
history logging.

FILES
modules
The `modules' file records your definitions of names for collections of source code. cvs will use these defini-
tions if you use cvs to check in a file with the right format to `$CVSROOT/CVSROOT/modules,v'.

The `modules' file may contain blank lines and comments (lines beginning with `#') as well as module definitions.
Long lines can be continued on the next line by specifying a backslash (``\'') as the last character on the line.

A module definition is a single line of the `modules' file, in either of two formats. In both cases, mname repre-
sents the symbolic module name, and the remainder of the line is its definition.

mname -a aliases...
This represents the simplest way of defining a module mname. The `-a' flags the definition as a simple alias: cvs
will treat any use of mname (as a command argument) as if the list of names aliases had been specified instead.
aliases may contain either other module names or paths. When you use paths in aliases, `cvs checkout' creates all
intermediate directories in the working directory, just as if the path had been specified explicitly in the cvs
arguments.

mname [ options ] dir [ files... ] [ &module... ]

In the simplest case, this form of module definition reduces to `mname dir'. This defines all the files in direc-
tory dir as module mname. dir is a relative path (from $CVSROOT) to a directory of source in one of the source
repositories. In this case, on checkout, a single directory called mname is created as a working directory; no
intermediate directory levels are used by default, even if dir was a path involving several directory levels.

By explicitly specifying files in the module definition after dir, you can select particular files from directory
dir. The sample definition for modules is an example of a module defined with a single file from a particular di-
rectory. Here is another example:

m4test unsupported/gnu/m4 foreach.m4 forloop.m4

With this definition, executing `cvs checkout m4test' will create a single working directory `m4test' containing
the two files listed, which both come from a common directory several levels deep in the cvs source repository.

A module definition can refer to other modules by including `&module' in its definition. checkout creates a sub-
directory for each such module, in your working directory.
New in cvs 1.3; avoid this feature if sharing module definitions with older versions of cvs.

Finally, you can use one or more of the following options in module definitions:

`-d name', to name the working directory something other than the module name.
New in cvs 1.3; avoid this feature if sharing module definitions with older versions of cvs.

`-i prog' allows you to specify a program prog to run whenever files in a module are committed. prog runs with a
single argument, the full pathname of the affected directory in a source repository. The `commitinfo', `login-
fo', and `editinfo' files provide other ways to call a program on commit.

`-o prog' allows you to specify a program prog to run whenever files in a module are checked out. prog runs with
a single argument, the module name.

`-e prog' allows you to specify a program prog to run whenever files in a module are exported. prog runs with a
single argument, the module name.

`-t prog' allows you to specify a program prog to run whenever files in a module are tagged. prog runs with two
arguments: the module name and the symbolic tag specified to rtag.

`-u prog' allows you to specify a program prog to run whenever `cvs update' is executed from the top-level direc-
tory of the checked-out module. prog runs with a single argument, the full path to the source repository for this
module.

commitinfo, loginfo, rcsinfo, editinfo
These files all specify programs to call at different points in the `cvs commit' process. They have a common
structure. Each line is a pair of fields: a regular expression, separated by whitespace from a filename or com-
mand-line template. Whenever one of the regular expression matches a directory name in the repository, the rest
of the line is used. If the line begins with a # character, the entire line is considered a comment and is ig-
nored. Whitespace between the fields is also ignored.

For `loginfo', the rest of the line is a command-line template to execute. The templates can include not only a
program name, but whatever list of arguments you wish. If you write `%s' somewhere on the argument list, cvs sup-
plies, at that point, the list of files affected by the commit. The first entry in the list is the relative path
within the source repository where the change is being made. The remaining arguments list the files that are be-
ing modified, added, or removed by this commit invocation.

For `taginfo', the rest of the line is a command-line template to execute. The arguments passed to the command
are, in order, the tagname , operation (i.e. add for `tag', mov for `tag -F', and del for `tag -d`), repository ,
and any remaining are pairs of filename revision . A non-zero exit of the filter program will cause the tag to be
aborted.

For `commitinfo', the rest of the line is a command-line template to execute. The template can include not only a
program name, but whatever list of arguments you wish. The full path to the current source repository is appended
to the template, followed by the file names of any files involved in the commit (added, removed, and modified
files).

For `rcsinfo', the rest of the line is the full path to a file that should be loaded into the log message tem-
plate.

For `editinfo', the rest of the line is a command-line template to execute. The template can include not only a
program name, but whatever list of arguments you wish. The full path to the current log message template file is
appended to the template.

You can use one of two special strings instead of a regular expression: `ALL' specifies a command line template
that must always be executed, and `DEFAULT' specifies a command line template to use if no regular expression is a
match.

The `commitinfo' file contains commands to execute before any other commit activity, to allow you to check any
conditions that must be satisfied before commit can proceed. The rest of the commit will execute only if all se-
lected commands from this file exit with exit status 0.

The `rcsinfo' file allows you to specify log templates for the commit logging session; you can use this to provide
a form to edit when filling out the commit log. The field after the regular expression, in this file, contains
filenames (of files containing the logging forms) rather than command templates.

The `editinfo' file allows you to execute a script before the commit starts, but after the log information is
recorded. These "edit" scripts can verify information recorded in the log file. If the edit script exits with a
non-zero exit status, the commit is aborted.

The `loginfo' file contains commands to execute at the end of a commit. The text specified as a commit log mes-
sage is piped through the command; typical uses include sending mail, filing an article in a newsgroup, or append-
ing to a central file.

cvsignore, .cvsignore
The default list of files (or sh(1) file name patterns) to ignore during `cvs update'. At startup time, cvs loads
the compiled in default list of file name patterns (see cvs(1)). Then the per-repository list included in $CVS-
ROOT/CVSROOT/cvsignore is loaded, if it exists. Then the per-user list is loaded from `$HOME/.cvsignore'. Final-
ly, as cvs traverses through your directories, it will load any per-directory `.cvsignore' files whenever it finds
one. These per-directory files are only valid for exactly the directory that contains them, not for any sub-di-
rectories.

history
Create this file in $CVSROOT/CVSROOT to enable history logging (see the description of `cvs history').