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How to apply a patch to a Drupal module

Following the Drupal documentation on applying patches.

The module localization client, originally developed for Drupal 6, needs a patch to the Drupal core module, locale (note that while locale is core it is also optional and disabled by default).

In this case the patch lives in the l10n_client module's directory, which Agaric (against standard and best practices) keeps in modules/contributed. The patch was also not made relative to the Drupal root directory, although it could have been as locale is a core module.


cd /var/www/wsf2008/modules/locale
patch < ../contributed/l10n_client/locale_module.patch

If that gives you an error like

-bash: patch: command not found

you probably need to install the patch utility first, which, if you're on Debian or Ubuntu, you can do with this command:

aptitude install patch


Searched words: 
drupal apply patch Linux GNU Debian


For patches made relative to

For patches made relative to the Drupal root directory, Drupal instructions say to use:

patch -p0 < path/file.patch

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