[wp-trac] [WordPress Trac] #49783: PHPCS config: Persistent caching during CI

[WordPress Trac]

#49783: PHPCS config: Persistent caching during CI
------------------------------+-------------------------------
 Reporter:  johnbillion       |       Owner:  desrosj
     Type:  enhancement       |      Status:  closed
 Priority:  normal            |   Milestone:  5.9
Component:  Build/Test Tools  |     Version:
 Severity:  normal            |  Resolution:  fixed
 Keywords:  has-patch         |     Focuses:  coding-standards
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Changes (by desrosj):

 * owner:  (none) => desrosj
 * status:  new => closed
 * resolution:   => fixed


Comment:

 In [changeset:"52179" 52179]:
 {{{
 #!CommitTicketReference repository="" revision="52179"
 Build/Test Tools: Cache the results of `PHP_CodeSniffer` across workflow
 runs.

 When the `PHP_CodeSniffer` runs, it produces a cache file. When a cache
 file is present, only changed files are rescanned, making subsequent scans
 significantly faster.

 This adds the needed steps to the corresponding GitHub Actions workflows
 to cache these files across runs. The cache keys include the date of the
 previous Monday to ensure that the cache is flushed at least weekly.

 Since GitHub Action caches cannot be updated once created, the scans will
 take slightly longer as the week progresses and more PHP files are
 updated. The date within the cache key can be updated to purge twice
 weekly if the scan time starts to approach the current scan times.

 This change also introduces a `.cache` directory for all caching files
 related to build/test tools.

 Props johnbillion, jrf.
 Fixes #49783.
 }}}

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Ticket URL: <https://core.trac.wordpress.org/ticket/49783#comment:23>
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