Public bug reported:
[Impact]
If the last alternative(s) of an Or group is ignored, because it does
not match an architecture list, we would end up keeping the or flag,
effectively making the next AND an OR.
For example, when parsing (on amd64):
debhelper (>= 9), libnacl-dev [amd64] | libnacl-dev [i386]
=> debhelper (>= 9), libnacl-dev |
Which can cause python-apt to crash.
Even worse:
debhelper (>= 9), libnacl-dev [amd64] | libnacl-dev [i386], foobar
=> debhelper (>= 9), libnacl-dev [amd64] | foobar
[Test case]
TODO
[Regression Potential]
apt-get build-dep and friends can now fail where they succeeded previously for
packages that employ architecture-limited alternatives in their build depends,
as in the second example given above, because now additional packages need to
be installed (which is correct, though).
[Other info]
By setting the previous alternatives Or flag to the current Or flag
if the current alternative is ignored, we solve the issue.
** Affects: apt (Ubuntu)
Importance: High
Status: In Progress
** Changed in: apt (Ubuntu)
Status: New => In Progress
** Changed in: apt (Ubuntu)
Importance: Undecided => High
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https://bugs.launchpad.net/bugs/1694697
Title:
build-depends keeps OR flag if end of or group is ignored
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