Cannot install extension after reverting to earlier version
Categories
(WebExtensions :: General, defect)
Tracking
(Not tracked)
People
(Reporter: therubex, Unassigned)
Details
Cannot (locally) install extension after reverting to earlier version of the same extension.
*I don't know if this only applies to locally, or online also?
New Profile
Download & have on hand a few versions of an extension
say, uBlock Origin:
https://addons.mozilla.org/firefox/downloads/file/3521827/ublock_origin-1.25.2-an+fx.xpi, current
https://addons.mozilla.org/firefox/downloads/file/3509800/ublock_origin-1.25.0-an+fx.xpi, an older version
https://addons.mozilla.org/firefox/downloads/file/3448596/ublock_origin-1.24.0-an+fx.xpi, and older yet again
Drag 1.25.2 into a browser window to install
Add -> Okay, Got It!
Result:
uBlock0@raymondhill.net.xpi, 1.25.2 is installed into /extensions/
Check Addons Manager, verify the extension is installed, & confirm it is at the expected version, 1.25.2.
Downgrade to 1.24.0.
Drag 1.24.0 into a browser window to install
Add -> Okay, Got It!
Result:
uBlock0@raymondhill.net.xpi, 1.24.0 is installed into /extensions/
Check Addons Manager, verify the extension is installed, & confirm it is at the expected version, 1.24.0.
Now, try again to update to 1.25.2.
Drag 1.25.2 into a browser window to install
Add
Note that Add is accepted, but there is no, Okay, Got It!
uBlock0@raymondhill.net.xpi, is installed into /extensions/
but it is still the older version 1.24.0 not 1.25.2
Check Addons Manager, verify the extension is installed, & confirm it is at the expected version, 1.25.2.
It is not. It is still version 1.24.0.
Check /extensions/ directory.
You will find 1.25.2 "stuck" in the /staged/ subdirectory.
At that point, in order to get uBlock to be able to update - again - to a later version, you must first Remove it altogether.
Going from a newer to older versions of an extension seems to work.
Going from a newer to older, back to newer fails.
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Comment 1•5 years ago
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uBlock Origin uses an onUpdateAvailable listener to defer upgrades, but it appears to allow downgrades to apply immediately:
https://github.com/gorhill/uBlock/blob/3621792f1635e933667b12cc7c830020fb1c81c0/src/js/start.js#L381-L389
I think this is working as intended, uBO deliberately delays the application of the upgrade until the browser is restarted. If you restart, the new session should have the updated version.
Description
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