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Make nix develop work with CA derivations

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Fix #4823
This commit is contained in:
regnat 2021-06-11 13:31:19 +02:00
parent 56605b4688
commit 2cf591a134
2 changed files with 29 additions and 13 deletions
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30
src/nix/develop.cc
View file

@ -144,17 +144,26 @@ StorePath getDerivationEnvironment(ref<Store> store, const StorePath & drvPath)
/* Rehash and write the derivation. FIXME: would be nice to use
'buildDerivation', but that's privileged. */
drv.name += "-env";
for (auto & output : drv.outputs) {
output.second = { .output = DerivationOutputInputAddressed { .path = StorePath::dummy } };
drv.env[output.first] = "";
}
drv.inputSrcs.insert(std::move(getEnvShPath));
Hash h = std::get<0>(hashDerivationModulo(*store, drv, true));
if (settings.isExperimentalFeatureEnabled("ca-derivations")) {
for (auto & output : drv.outputs) {
output.second = {
.output = DerivationOutputDeferred{},
};
drv.env[output.first] = "";
}
} else {
for (auto & output : drv.outputs) {
output.second = { .output = DerivationOutputInputAddressed { .path = StorePath::dummy } };
drv.env[output.first] = "";
}
Hash h = std::get<0>(hashDerivationModulo(*store, drv, true));
for (auto & output : drv.outputs) {
auto outPath = store->makeOutputPath(output.first, h, drv.name);
output.second = { .output = DerivationOutputInputAddressed { .path = outPath } };
drv.env[output.first] = store->printStorePath(outPath);
for (auto & output : drv.outputs) {
auto outPath = store->makeOutputPath(output.first, h, drv.name);
output.second = { .output = DerivationOutputInputAddressed { .path = outPath } };
drv.env[output.first] = store->printStorePath(outPath);
}
}
auto shellDrvPath = writeDerivation(*store, drv);
@ -162,8 +171,7 @@ StorePath getDerivationEnvironment(ref<Store> store, const StorePath & drvPath)
/* Build the derivation. */
store->buildPaths({DerivedPath::Built{shellDrvPath}});
for (auto & [_0, outputAndOptPath] : drv.outputsAndOptPaths(*store)) {
auto & [_1, optPath] = outputAndOptPath;
for (auto & [_0, optPath] : store->queryPartialDerivationOutputMap(shellDrvPath)) {
assert(optPath);
auto & outPath = *optPath;
assert(store->isValidPath(outPath));

12
tests/nix-shell.sh
View file

@ -6,6 +6,14 @@ if [[ -n ${CONTENT_ADDRESSED:-} ]]; then
nix-shell () {
command nix-shell --arg contentAddressed true "$@"
}
nix_develop() {
nix develop --arg contentAddressed true "$@"
}
else
nix_develop() {
nix develop "$@"
}
fi
# Test nix-shell -A
@ -79,13 +87,13 @@ output=$($TEST_ROOT/spaced\ \\\'\"shell.shebang.rb abc ruby)
[ "$output" = '-e load(ARGV.shift) -- '"$TEST_ROOT"'/spaced \'\''"shell.shebang.rb abc ruby' ]
# Test 'nix develop'.
nix develop -f shell.nix shellDrv -c bash -c '[[ -n $stdenv ]]'
nix_develop -f shell.nix shellDrv -c bash -c '[[ -n $stdenv ]]'
# Ensure `nix develop -c` preserves stdin
echo foo | nix develop -f shell.nix shellDrv -c cat | grep -q foo
# Ensure `nix develop -c` actually executes the command if stdout isn't a terminal
nix develop -f shell.nix shellDrv -c echo foo |& grep -q foo
nix_develop -f shell.nix shellDrv -c echo foo |& grep -q foo
# Test 'nix print-dev-env'.
source <(nix print-dev-env -f shell.nix shellDrv)