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svnpublish 2.12

Enables powerful automation from a subversion repository.

Welcome to svnpublish, a tool to enable automated publishing (and any other arbitrary commands to be executed) when updates are made to a subversion version control repository.

Publishing configurations are tied to either the entire repository or restricted to subdirectories, referred to as a publishing point in svnpublish-speak.

TL;DR

Install:

$ pip install svnpublish
$ mkdir -p /etc/svnpublish
$ svnpublish --init-options > /etc/svnpublish/myrepos.yaml

# edit the self-documenting configuration file:
$ vi /etc/svnpublish/myrepos.yaml

Put in your REPOSITORY/hooks/post-commit:

#!/bin/sh
svnpublish --options /etc/svnpublish/myrepos.yaml "$@"

If running in asynchronous mode (recommended):

$ apt-get install daemontools-run

# create the service directory with the user:group that runs svnpublish
$ svnpublishd --init-service --service-dir /etc/service/svnpublishd --user www-data:www-data

# review the output and adjust the service configuration:
$ vi /etc/service/svnpublishd/run /etc/service/svnpublishd/log/run

# grant the user running svnpublish access to HUP the service
# (this assumes that "#includedir /etc/sudoers.d" is in "/etc/sudoers.d",
#  that the user is www-data, and that svc is located in /usr/bin)
$ echo "www-data ALL = NOPASSWD: /usr/bin/svc -h /etc/service/svnpublishd" > /etc/sudoers.d/svnpublishd
$ chmod 440 /etc/sudoers.d/svnpublishd

# start the service
$ rm -f /etc/service/svnpublishd/down
$ svc -u /etc/service/svnpublishd

Then add the "--async" option to svnpublish (making sure that the serviceDir option is set correctly in the svnpublish "options.yaml" file). Extending the above example, the new post-commit hook should look something like:

#!/bin/sh
svnpublish --options /etc/svnpublish/myrepos.yaml --async "$@"

NOTE: it is recommended to move the log directory to a more system-appropriate location -- see /etc/service/svnpublishd/log/run.

Overview

TODO: add docs

Global Configuration

The best way to set the initial svnpublish options is to use the --init-options flag, which outputs a list of all available options accompanied with documentation. The recommended approach is to create a per-repository configuration in /etc/svnpublish/ which can be done as follows:

$ sudo mkdir -p /etc/svnpublish
$ svnpublish --init-options | sudo tee /etc/svnpublish/REPOSITORY.yaml > /dev/null
$ sudo vi /etc/svnpublish/REPOSITORY.yaml

And then modifying all of the options as needed. At a minimum, the following options should be set:

  • admin
  • label
  • name
  • reposUrl
  • genemail.default.headers.from

Publishing Point Configuration

TODO: add docs

publish:

  ENGINE:

    ATTRIBUTE: VALUE

Example:

publish:

  # send an email notification
  - engine:       email
    mailfrom:     noreply@example.com
    recipients:
                  - user1@example.com
                  - user2@example.com

  # update an RSS (atom) feed
  - engine:       rss
    window:       50
    label:        Repository Feed
    output:       /var/www/rss/output.xml
    feedUrl:      https://svn.example.com/rss/output.xml

  # export the repository to the file system
  - engine:       export
    path:         /var/www/example.com
    fixate:
                  - { engine: fingerprint }
                  - { engine: fingerprint, path: htdocs/fingerprint }

  # export the repository to a remote host
  - engine:       export
    remote:       svnpublish@example.com
    keychain:     /home/svnpublish/.keychain
    path:         /var/www/example.com
    fixate:
                  - { engine: fingerprint }
                  - { engine: fingerprint, path: htdocs/fingerprint }

Encrypted Email

SvnPublish can be configured to send PGP-encrypted email, which protects the contents of the emails from being read by unintended recipients. Follow the instructions in https://pypi.python.org/pypi/genemail to setup a GPG-home directory, then adjust the svnpublish "options.yaml" file to include the PgpModifier. For example:

# ... other configurations ...

genemail:
  modifier:
    class:   'genemail.PgpModifier'
    sign:    'noreply@example.com'
    gpg_options:
      gnupghome: '/path/to/gpghome'

Asynchronous Operation

Svnpublish can run in asynchronous mode (the recommended approach), which means that commits happen quickly, and an asynchronous process then takes care of executing the publishing. This asynchronous process, svnpublishd, has been geared at being run by DJB's daemontools. On debian-based systems, daemontools can be easily installed with:

$ apt-get install daemontools-run

The svnpublishd service directory can be created automatically by a call to svnpublishd --init-service OPTIONS, which creates all of the directories, "run" scripts, and default logging options necessary to run svnpublishd, tailored for the specified user:group that svnpublish runs as. It is important to ensure this user:group setting is correct, as otherwise svnpublish and svnpublishd cannot communicate. The user:group that svnpublish runs as is usually the owner of the subversion repository. For example, if your svnpublish runs as www-data:www-data, then something like this should work:

$ svnpublishd --init-service --service-dir /etc/service/svnpublishd --user www-data:www-data
 
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