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cvsserver: Add asciidoc documentation for new database backend configuration

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Documents the new configuration variables and the variable
substitution mechanism.

Signed-off-by: Frank Lichtenheld <frank@lichtenheld.de>
Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Frank Lichtenheld 2007-04-07 16:58:10 +02:00 committed by Junio C Hamano
parent 473937ed44
commit febe7dcc08
1 changed files with 83 additions and 4 deletions
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87
Documentation/git-cvsserver.txt
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@ -65,11 +65,12 @@ env variable, you can rename git-cvsserver to cvs.
------
Note: you need to ensure each user that is going to invoke git-cvsserver has
write access to the log file and to the git repository. When offering anon
access via pserver, this means that the nobody user should have write access
to at least the sqlite database at the root of the repository.
write access to the log file and to the database (see
<<dbbackend,Database Backend>>. If you want to offer write access over
SSH, the users of course also need write access to the git repository itself.
Both configuration variables can also be overriden for a specific method of
[[configaccessmethod]]
All configuration variables can also be overriden for a specific method of
access. Valid method names are "ext" (for SSH access) and "pserver". The
following example configuration would disable pserver access while still
allowing access over SSH.
@ -105,6 +106,84 @@ Example:
cvs co -d project-master master
------
[[dbbackend]]
Database Backend
----------------
git-cvsserver uses one database per git head (i.e. CVS module) to
store information about the repository for faster access. The
database doesn't contain any persitent data and can be completly
regenerated from the git repository at any time. The database
needs to be updated (i.e. written to) after every commit. That
means that even if you offer only read access (e.g. by using
the pserver method), git-cvsserver should have write access to
the database to work reliably (otherwise you need to make sure
that the database if up-to-date all the time git-cvsserver is run).
By default it uses SQLite databases in the git directory, named
`gitcvs.<module_name>.sqlite`. Note that the SQLite backend creates
temporary files in the same directory as the database file on
write so it might not be enough to grant the users using
git-cvsserver write access to the database file without granting
them also write access to the directory.
You can configure the database backend with the following
configuration variables:
Configuring database backend
~~~~~~~~~~~~~~~~~~~~~~~~~~~~
git-cvsserver uses the Perl DBI module. Please also read
its documentation if changing these variables, especially
about `DBI->connect()`.
gitcvs.dbname::
Database name. The exact meaning depends on the
used database driver, for SQLite this is a filename.
Supports variable substitution (see below). May
not contain semicolons (`;`).
Default: '%Ggitcvs.%m.sqlite'
gitcvs.dbdriver::
Used DBI driver. You can specify any available driver
for this here, but it might not work. cvsserver is tested
with 'DBD::SQLite', reported to work with
'DBD::Pg', and reported *not* to work with 'DBD::mysql'.
Please regard this as an experimental feature. May not
contain double colons (`:`).
Default: 'SQLite'
gitcvs.dbuser::
Database user. Only useful if setting `dbdriver`, since
SQLite has no concept of database users. Supports variable
substitution (see below).
gitcvs.dbpass::
Database password. Only useful if setting `dbdriver`, since
SQLite has no concept of database passwords.
All variables can also be set per access method, see <<configaccessmethod,above>>.
Variable substitution
^^^^^^^^^^^^^^^^^^^^^
In `dbdriver` and `dbuser` you can use the following variables:
%G::
git directory name
%g::
git directory name, where all characters except for
alpha-numeric ones, `.`, and `-` are replaced with
`_` (this should make it easier to use the directory
name in a filename if wanted)
%m::
CVS module/git head name
%a::
access method (one of "ext" or "pserver")
%u::
Name of the user running git-cvsserver.
If no name can be determined, the
numeric uid is used.
Eclipse CVS Client Notes
------------------------