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authorsterni <sternenseemann@systemli.org>2022-10-09T09·22+0200
committerclbot <clbot@tvl.fyi>2022-10-09T13·25+0000
commit5174c2163730c683ca5c2a01be537c38173bab33 (patch)
treefc68079e00b37d69f917b6073651159459ef97ba /third_party/README.md
parent1e852098091dcaaaf3b9750c6dff5e465403f8c3 (diff)
fix(nix/tag): correct no match check in discr r/5071
It uses discrDef internally, but passes `null` as the default tag name,
causing Nix to drop the attribute and return an empty attribute set if
the default case is hit. Consequently we need to check for the empty
attribute set, not `null` to figure out if there was no match found.

We can also test this behavior using `assertThrows` which was introduced
after the tag library was originally written.

Change-Id: I45adb2f9602762dfc867956323fb3f5ae4c8bd1d
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6904
Autosubmit: sterni <sternenseemann@systemli.org>
Reviewed-by: Profpatsch <mail@profpatsch.de>
Tested-by: BuildkiteCI
Diffstat (limited to 'third_party/README.md')
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