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Fix nix build --dry-run with CA derivations

Browse source 
Don’t try and assume that we know the output paths when we’ve just built
with `--dry-run`. Instead make `--dry-run` follow a different code path
that won’t assume the knowledge of the output paths at all.

Fix #6275
This commit is contained in:
Théophane Hufschmitt 2022-03-17 11:34:31 +01:00
parent fe1ad96135
commit 3fc4c612fb
5 changed files with 67 additions and 8 deletions
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19
tests/build-dry.sh
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@ -50,3 +50,22 @@ nix build -f dependencies.nix -o $RESULT --dry-run
nix build -f dependencies.nix -o $RESULT
[[ -h $RESULT ]]
###################################################
# Check the JSON output
clearStore
clearCache
RES=$(nix build -f dependencies.nix --dry-run --json)
if [[ -z "$NIX_TESTS_CA_BY_DEFAULT" ]]; then
echo "$RES" | jq '.[0] | [
(.drvPath | test("'$NIX_STORE_DIR'.*\\.drv")),
(.outputs.out | test("'$NIX_STORE_DIR'"))
] | all'
else
echo "$RES" | jq '.[0] | [
(.drvPath | test("'$NIX_STORE_DIR'.*\\.drv")),
.outputs.out == null
] | all'
fi