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lix/tests/functional/structured-attrs.sh
eldritch horrors 9eb58f5209 Merge pull request from Ma27/structured-attrs-env-vars
structured attrs: improve support / usage of NIX_ATTRS_{SH,JSON}_FILE

(cherry picked from commit 3c042f3b0b0a7ef9c47bf049f5410dbd4aac9e90)
Change-Id: I7e41838338ee1edf31fff6f9e354c3db2bba6c0e
2024-03-07 10:46:47 +01:00

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source common.sh
# 27ce722638 required some incompatible changes to the nix file, so skip this
# tests for the older versions
requireDaemonNewerThan "2.4pre20210712"
clearStore
rm -f $TEST_ROOT/result
nix-build structured-attrs.nix -A all -o $TEST_ROOT/result
[[ $(cat $TEST_ROOT/result/foo) = bar ]]
[[ $(cat $TEST_ROOT/result-dev/foo) = foo ]]
export NIX_BUILD_SHELL=$SHELL
env NIX_PATH=nixpkgs=shell.nix nix-shell structured-attrs-shell.nix \
--run 'test "3" = "$(jq ".my.list|length" < $NIX_ATTRS_JSON_FILE)"'
nix develop -f structured-attrs-shell.nix -c bash -c 'test "3" = "$(jq ".my.list|length" < $NIX_ATTRS_JSON_FILE)"'
# `nix develop` is a slightly special way of dealing with environment vars, it parses
# these from a shell-file exported from a derivation. This is to test especially `outputs`
# (which is an associative array in thsi case) being fine.
nix develop -f structured-attrs-shell.nix -c bash -c 'test -n "$out"'
nix print-dev-env -f structured-attrs-shell.nix | grepQuiet 'NIX_ATTRS_JSON_FILE='
nix print-dev-env -f structured-attrs-shell.nix | grepQuiet 'NIX_ATTRS_SH_FILE='
nix print-dev-env -f shell.nix shellDrv | grepQuietInverse 'NIX_ATTRS_SH_FILE'
jsonOut="$(nix print-dev-env -f structured-attrs-shell.nix --json)"
test "$(<<<"$jsonOut" jq '.structuredAttrs|keys|.[]' -r)" = "$(printf ".attrs.json\n.attrs.sh")"
test "$(<<<"$jsonOut" jq '.variables.out.value' -r)" = "$(<<<"$jsonOut" jq '.structuredAttrs.".attrs.json"' -r | jq -r '.outputs.out')"