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Add DummyStore (dummy://)

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DummyStore does not allow building or adding paths. This is useful for
evaluation tests when you don't want to initialize a "proper" store.
This commit is contained in:
Eelco Dolstra 2020-08-24 18:54:16 +02:00
parent d0690bc311
commit 6a67e57019
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3 changed files with 61 additions and 1 deletions
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tests/lang.sh
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@ -1,6 +1,7 @@
source common.sh
export TEST_VAR=foo # for eval-okay-getenv.nix
export NIX_REMOTE=dummy://
nix-instantiate --eval -E 'builtins.trace "Hello" 123' 2>&1 | grep -q Hello
(! nix-instantiate --show-trace --eval -E 'builtins.addErrorContext "Hello" 123' 2>&1 | grep -q Hello)