Jira (PUP-4528) Chaining arrows do not work as expected with empty resources
Title: Message Title
Vladimir Brik created an issue
Puppet / PUP-4528
Chaining arrows do not work as expected with empty resources
Issue Type:
Bug
Affects Versions:
PUP 3.7.4
Assignee:
Unassigned
Created:
2015/05/05 10:35 AM
Priority:
Normal
Reporter:
Vladimir Brik
It seems reasonable to expect the code below to always print A first and B second:
notify { A:} - notify{ []:} - notify{ B:} However, because the second notify creates no resources, A and B seem to actually have no ordering relationship. This leads to difficult to detect ordering bugs when it is not obvious that the ordering chain has an empty resource: res1{ A}
- res2 { foo($bar):}
- res { B:}
If foo($bar) returns [], B may be applied before A.
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Jira (PUP-4528) Chaining arrows do not work as expected with empty resources
Title: Message Title
Vladimir Brik updated an issue
Puppet / PUP-4528
Chaining arrows do not work as expected with empty resources
Change By:
Vladimir Brik
ItseemsreasonabletoexpectthecodebelowtoalwaysprintAfirstandBsecond: {noformat} notify{A:}-notify{[]:}-notify{B:} {noformat} However,becausethesecondnotifycreatesnoresources,AandBseemtoactuallyhavenoorderingrelationship.Thisleadstodifficulttodetectorderingbugswhenitisnotobviousthattheorderingchainhasanemptyresource: {noformat} res1{A:}-res2{foo($bar):}-res{B:} {noformat} Iffoo($bar)returns[],BmaybeappliedbeforeA.
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