This bug was fixed in the package apt - 2.0.6
---------------
apt (2.0.6) focal; urgency=medium
* RunScripts: Do not reset SIGQUIT and SIGINT to SIG_DFL (LP: #1898026)
* test suite fix: Check for and discard expected warning from MaybeAddAuth
* Fix downloads of unsized files that are largest in pipeline (LP: #1921626),
and warn about packages without size (option Acquire::AllowUnsizedPackages)
* JSON hooks 0.2 and assorted JSON bugfixes (LP: #1926150)
- encoder fixes:
+ json: Escape strings using \u escape sequences, add test
+ json: Actually pop states
+ json: Encode NULL strings as null
- json: Flush standard file descriptors before calling hooks
(this avoids output from hooks in middle of apt output)
- non-code changes:
+ test/json: Make the test hook more reliable
+ Fix a typo in json-hooks-protocol.md (thanks to Brian Murray)
- semantic changes (new fields, hooks, and protocol 0.2):
+ json: Add origins fields to version
+ upgrade: Add JSON hook support (AptCli::Hooks::Upgrade)
+ json: Add `package-list` and `statistics` install hooks
+ json: Hook protocol 0.2 (added upgrade,downgrade,reinstall modes)
+ Fix a typo in json-hooks-protocol.md (thanks to Brian Murray)
* Avoid infinite loop on EOF on media change prompt (LP: #1928687)
-- Julian Andres Klode <juli...@ubuntu.com> Tue, 15 Jun 2021 13:05:46
+0200
** Changed in: apt (Ubuntu Focal)
Status: Fix Committed => Fix Released
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Matching subscriptions: Ubuntu 16.04 Bugs
https://bugs.launchpad.net/bugs/1926150
Title:
[SRU] Backport JSON hooks 0.2
Status in apt package in Ubuntu:
Fix Released
Status in apt source package in Xenial:
Fix Released
Status in apt source package in Bionic:
Fix Committed
Status in apt source package in Focal:
Fix Released
Status in apt source package in Hirsute:
Fix Committed
Status in apt source package in Impish:
Fix Released
Bug description:
[Impact]
We want to be able to use JSON hooks 0.2 in xenial and later releases to
display messages to users during dist-upgrade.
For xenial, we backport the JSON hook support in its entirety, whereas
for later releases, we only need to cherry-pick bugfixes and the v0.2
improvements.
[Test plan]
We have included unit and integration tests for the new JSON code to test the
writer and prevent regressions in future changes. Regressions in other parts of
the code should be caught by the test suite.
[Where problems could occur]
There may be bugs in the JSON code (apt-private/private-json-hooks.*) and in
the integration thereof. The JSON hook code is identical to 2.3.2, whereas the
integration code needed slight adjustments.
The integration changes are limited to adding the hooks, and (for
xenial, already in later releases) collecting all unknown package
names. We believe the regression potential of these changes to be
fairly limited.
However, errors in JSON hooks are fatal, so once JSON hooks are
running, they can cause apt to fail, which has to be kept in mind.
Existing JSON hooks might not expect the new notifications, and break,
but we are only aware of the snapd hook and it ignores any unknown
notifications, so that should not pose a problem.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/apt/+bug/1926150/+subscriptions
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