[wp-trac] [WordPress Trac] #9757: Allow Plugin/Theme updates from a uploaded .zip file.

[WordPress Trac]

#9757: Allow Plugin/Theme updates from a uploaded .zip file.
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 Reporter:  hakre                                 |       Owner:
     Type:  feature request                       |      Status:  new
 Priority:  low                                   |   Milestone:  4.9
Component:  Upgrade/Install                       |     Version:  2.8
 Severity:  normal                                |  Resolution:
 Keywords:  dev-feedback has-patch needs-refresh  |     Focuses:
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Comment (by psykro):

 @Clorith thanks for the feedback, noted regarding uploading older
 versions.

 My question around the actual upgrade process was more along the lines of
 'WordPress has already determined (by means to still be discussed) that
 this plugin can be upgraded'.

 So once the something like 'can_plugin_be_updated()' returns true, does
 the physical action of upgrading the plugin need to be more complicated
 than something like
 * rename current plugin directory
 * upload and unzip new plugin
 * delete renamed plugin directory

 I'm still going to follow @pento's suggestions of diving deep into the
 code and taking screenshots, but I'm just clarifying some initial
 questions/suggestions that pop into my head.

 In my mind the checks for upgrading a plugin should be a combination of
 the plugin slug and Plugin header meta info for example
 * Plugin name
 * Version
 * Text Domain

 However I realise that the only field that a plugin actually requires is
 the Plugin Name

 My initial feeling is that if the plugin directory name and Plugin Name
 meta match, consider the plugin to be upgraded. If the plugin has a valid
 Version field, check against that, if not warn the user of a possible
 'downgrade'.

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Ticket URL: <https://core.trac.wordpress.org/ticket/9757#comment:67>
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