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Forward the whole Nix config to the repl subprocesses

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Fill `NIX_CONFIG` with the value of the current Nix configuration before
calling the nix subprocesses in the repl
That way the whole configuration (including the possible
`experimental-features`, a possibly `--store` option or whatever) will
be made available.

This is required for example to make `nix repl` work with a custom
`--store`
This commit is contained in:
regnat 2021-07-15 18:17:18 +02:00
parent db4d4cf4ba
commit c05bdef020
3 changed files with 20 additions and 4 deletions
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5
src/nix/repl.cc
View File

@ -107,11 +107,8 @@ NixRepl::~NixRepl()
string runNix(Path program, const Strings & args,
const std::optional<std::string> & input = {})
{
auto experimentalFeatures = concatStringsSep(" ", settings.experimentalFeatures.get());
auto nixConf = getEnv("NIX_CONFIG").value_or("");
nixConf.append("\nexperimental-features = " + experimentalFeatures);
auto subprocessEnv = getEnv();
subprocessEnv["NIX_CONFIG"] = nixConf;
subprocessEnv["NIX_CONFIG"] = globalConfig.toKeyValue();
RunOptions opts(settings.nixBinDir+ "/" + program, args);
opts.input = input;
opts.environment = subprocessEnv;

1
tests/local.mk
View File

@ -46,6 +46,7 @@ nix_tests = \
flakes.sh \
build.sh \
compute-levels.sh \
repl.sh \
ca/build.sh \
ca/build-with-garbage-path.sh \
ca/duplicate-realisation-in-closure.sh \

18
tests/repl.sh Normal file
View File

@ -0,0 +1,18 @@
source common.sh
replCmds="
simple = import ./simple.nix
:b simple
"
testRepl () {
local nixArgs=("$@")
local outPath=$(nix repl "${nixArgs[@]}" <<< "$replCmds" |&
grep -o -E "$NIX_STORE_DIR/\w*-simple")
nix path-info "${nixArgs[@]}" "$outPath"
}
# Simple test, try building a drv
testRepl
# Same thing (kind-of), but with a remote store.
testRepl --store "$TEST_ROOT/store?real=$NIX_STORE_DIR"