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Add --arg-from-file for reading a string from a file

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This commit is contained in:
Eelco Dolstra 2024-03-01 14:35:27 +01:00
parent d72ee91d07
commit 291b10c607
3 changed files with 22 additions and 1 deletions
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8
tests/functional/eval.sh
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@ -41,3 +41,11 @@ mkdir -p $TEST_ROOT/xyzzy $TEST_ROOT/foo
ln -sfn ../xyzzy $TEST_ROOT/foo/bar
printf 123 > $TEST_ROOT/xyzzy/default.nix
[[ $(nix eval --impure --expr "import $TEST_ROOT/foo/bar") = 123 ]]
# Test --arg-from-file.
[[ "$(nix eval --raw --arg-from-file foo config.nix --expr '{ foo }: { inherit foo; }' foo)" = "$(cat config.nix)" ]]
# Check that special(-ish) files are drained.
if [[ -e /proc/version ]]; then
[[ "$(nix eval --raw --arg-from-file foo /proc/version --expr '{ foo }: { inherit foo; }' foo)" = "$(cat /proc/version)" ]]
fi