This issue was identified by catch in #2577407-194: Action of uploading module/theme files should consistently be called "Add", not "Install" → (item 2 in comment 194). In comment 195, jhodgdon suggested not fixing it in that issue because it would require a logic change and the patch was otherwise pure UI text updates. In comment 201, catch committed the patch for that issue and suggested a follow-up, so here it is!
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When you use the Update Manager to either download a new module/theme from drupal.org, or download updated files for an existing module/theme/profile, you get a message like this in the "log" section of the after-operations page (as of #2577407: Action of uploading module/theme files should consistently be called "Add", not "Install" → the wording was changed slightly; this is the current wording):
"Error adding / updating" [if there was a problem]
"Added / updated %project_name successfully" [if it worked]
These messages are in the file core/modules/update/update.authorize.inc. The same message is used whether you are adding a new module/theme or updating the files for a module/theme.
Elsewhere in that file and on other UI screens for the Update Manager module, we know whether we are adding or updating, and the messages either use the verb "add" or "update", and not a "add/update" as in this message. This message looks really low level, but is being presented in the UI, giving the impression of a thrown-together system built by nerdy software developers rather than a polished UI.
Use the Update Manager page to either add a new module/theme (there are links from the Extend, Appearance, and Available Updates pages), or update the files for a module/theme (link on the Available Update page).
You'll see the message in the detailed log section of the results page.
It would be better if we fixed the logic here to use different messages for adding a new module/theme vs. updating an existing module/theme. The messages when you downloaded a new module/theme should use the verb "add", and when you updated should use the verb "update".
Make a patch.
More polished and professional looking UI messages.
TBD
None.
Probably not needed.
Needs work
10.1 ✨
Makes Drupal easier to use. Preferred over UX, D7UX, etc.
It would make a good project for someone who is new to the Drupal contribution process. It's preferred over Newbie.
Used to track the progress of issues reviewed by the Drupal Needs Review Queue Initiative.
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It's likely this issue predates Contrib.social: some issue and comment data are missing.
Now that 📌 Deprecate/remove the ability to update a module from a URL and authorize.php Active and child issues are done, all this code is deprecated and will be removed in D12.