Cloud Platform
Patching and locking modules
Modification of contributed module and core files must implement one of the following options to ensure changes aren’t overwritten by Remote Administration (RA) updates. RA uses Drush to update both core and contributed modules for sites running the current Drupal version, so all modifications will be overwritten during the update process.
If you are working with a third-party development team who will not be apart of your ongoing support, ensure they understand and supply the information in these guidelines.
Cloud Platformdrush lock file to ensure they are not overwritten by drush. For installation instructions, see Using drush lock files with contributed modules.lock must exist on the production tag, because this is the default tag from which all RA updates begin.Acquia RA supports patches to core and contributed modules at its discretion. To give support, patch information and files must be provided and set up as expected. Update automation will try to apply the provided patches, and all results will be noted in the corresponding ticket.
To enable patching through Composer, complete the steps described in Patching with Composer.
Update automation implements a slightly modified version of the Drush Patch File extension. The following steps detail examples of each different use case.
Create the patches.make file in the following location:
[reponame]/
patches.make file has the following information for the patch:[reponame]/patches/my_custom_patch.patch, as patches placed in the directory of the module they modify will be overwritten before automation attempts to apply the patch, and the patch will be unavailableRepeat the preceding step for each discrete patch.
It is also possible to combine all patches into a single patch file. However, this method makes it more difficult to discern which part of the patch is still relevant.
A complete patches.make file with a Drupal core patch, a remote patch file from Drupal.org, and a local patch would look like this:
; Specify the version of Drupal being used.
core = 7.x
; Specify the api version of Drush Make.
api = 2
; N/A
; Patching README.txt file.
projects[drupal][patch][] = "patches/minor_core_patch.patch"
; https://www.drupal.org/node/2408217
; Error when attempting to clear cache that is related to ctools.
projects[ctools][patch][] = "https://www.drupal.org/files/issues/ctools-cache-handler.patch"
; https://www.drupal.org/node/1713076
; Devel generate fails when generating data for a field.
projects[devel][patch][] = "patches/devel_generate_textfield_maxlength-1713076-1.patch"Acquia recommends placing local patch files in a directory called patches, located above the docroot directory.
It is imperative that all patch-affected website features are tested to ensure that they behave as expected. All customizations are the responsibility of the subscriber’s development team.
Acquia RA recommends moving to stable, unmodified module releases as soon as possible. Acquia recommends that development teams routinely check if a patched issue was resolved by a security update or bug-fix release to move from modified code to a clean release.
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