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authorVincent Ambo <mail@tazj.in>2022-10-17T14·51+0300
committerclbot <clbot@tvl.fyi>2022-10-18T09·15+0000
commit13a5e7dd5ba6a5e448390e5ceb7f41825e7593c2 (patch)
tree9afe684d68521fc71d9273d3508de7f0eb869d15 /tvix/eval/src/tests/tvix_tests/eval-okay-lazy-with-nested.nix
parent0063e7e913c199538fe67d55e714dd34c09cece3 (diff)
fix(tvix/eval): wrap dynamic resolution in an extra thunk r/5156
Without this change it was possible to cause situations (see the new
test) in which a `with`-namespace was forced prematurely.

Change-Id: I879ea7763b43edc693feace2c73c890d426fafd3
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7031
Autosubmit: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI
Reviewed-by: Adam Joseph <adam@westernsemico.com>
Diffstat (limited to 'tvix/eval/src/tests/tvix_tests/eval-okay-lazy-with-nested.nix')
-rw-r--r--tvix/eval/src/tests/tvix_tests/eval-okay-lazy-with-nested.nix5
1 files changed, 5 insertions, 0 deletions
diff --git a/tvix/eval/src/tests/tvix_tests/eval-okay-lazy-with-nested.nix b/tvix/eval/src/tests/tvix_tests/eval-okay-lazy-with-nested.nix
new file mode 100644
index 000000000000..22ac14b3f19e
--- /dev/null
+++ b/tvix/eval/src/tests/tvix_tests/eval-okay-lazy-with-nested.nix
@@ -0,0 +1,5 @@
+# The 'namespace' of a with should only be evaluated if an identifier
+# from it is actually accessed.
+
+with (abort "should not be evaluated");
+let a = dynamic; in 42