Merge pull request #9648 from cole-h/nix-shell-ordering

nix shell: reflect command line order in PATH order
This commit is contained in:
Eelco Dolstra 2024-01-09 19:00:33 +01:00 committed by GitHub
commit b91c935c2f
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
6 changed files with 56 additions and 8 deletions

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@ -715,7 +715,7 @@ BuiltPaths Installable::toBuiltPaths(
}
}
StorePathSet Installable::toStorePaths(
StorePathSet Installable::toStorePathSet(
ref<Store> evalStore,
ref<Store> store,
Realise mode, OperateOn operateOn,
@ -729,13 +729,27 @@ StorePathSet Installable::toStorePaths(
return outPaths;
}
StorePaths Installable::toStorePaths(
ref<Store> evalStore,
ref<Store> store,
Realise mode, OperateOn operateOn,
const Installables & installables)
{
StorePaths outPaths;
for (auto & path : toBuiltPaths(evalStore, store, mode, operateOn, installables)) {
auto thisOutPaths = path.outPaths();
outPaths.insert(outPaths.end(), thisOutPaths.begin(), thisOutPaths.end());
}
return outPaths;
}
StorePath Installable::toStorePath(
ref<Store> evalStore,
ref<Store> store,
Realise mode, OperateOn operateOn,
ref<Installable> installable)
{
auto paths = toStorePaths(evalStore, store, mode, operateOn, {installable});
auto paths = toStorePathSet(evalStore, store, mode, operateOn, {installable});
if (paths.size() != 1)
throw Error("argument '%s' should evaluate to one store path", installable->what());

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@ -165,7 +165,14 @@ struct Installable
const Installables & installables,
BuildMode bMode = bmNormal);
static std::set<StorePath> toStorePaths(
static std::set<StorePath> toStorePathSet(
ref<Store> evalStore,
ref<Store> store,
Realise mode,
OperateOn operateOn,
const Installables & installables);
static std::vector<StorePath> toStorePaths(
ref<Store> evalStore,
ref<Store> store,
Realise mode,

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@ -376,7 +376,7 @@ struct Common : InstallableCommand, MixProfile
for (auto & [installable_, dir_] : redirects) {
auto dir = absPath(dir_);
auto installable = parseInstallable(store, installable_);
auto builtPaths = Installable::toStorePaths(
auto builtPaths = Installable::toStorePathSet(
getEvalStore(), store, Realise::Nothing, OperateOn::Output, {installable});
for (auto & path: builtPaths) {
auto from = store->printStorePath(path);
@ -631,7 +631,7 @@ struct CmdDevelop : Common, MixEnvironment
bool found = false;
for (auto & path : Installable::toStorePaths(getEvalStore(), store, Realise::Outputs, OperateOn::Output, {bashInstallable})) {
for (auto & path : Installable::toStorePathSet(getEvalStore(), store, Realise::Outputs, OperateOn::Output, {bashInstallable})) {
auto s = store->printStorePath(path) + "/bin/bash";
if (pathExists(s)) {
shell = s;

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@ -114,7 +114,7 @@ struct CmdShell : InstallablesCommand, MixEnvironment
setEnviron();
auto unixPath = tokenizeString<Strings>(getEnv("PATH").value_or(""), ":");
std::vector<std::string> pathAdditions;
while (!todo.empty()) {
auto path = todo.front();
@ -122,7 +122,7 @@ struct CmdShell : InstallablesCommand, MixEnvironment
if (!done.insert(path).second) continue;
if (true)
unixPath.push_front(store->printStorePath(path) + "/bin");
pathAdditions.push_back(store->printStorePath(path) + "/bin");
auto propPath = CanonPath(store->printStorePath(path)) + "nix-support" + "propagated-user-env-packages";
if (auto st = accessor->maybeLstat(propPath); st && st->type == SourceAccessor::tRegular) {
@ -131,7 +131,10 @@ struct CmdShell : InstallablesCommand, MixEnvironment
}
}
setenv("PATH", concatStringsSep(":", unixPath).c_str(), 1);
auto unixPath = tokenizeString<Strings>(getEnv("PATH").value_or(""), ":");
unixPath.insert(unixPath.begin(), pathAdditions.begin(), pathAdditions.end());
auto unixPathString = concatStringsSep(":", unixPath);
setenv("PATH", unixPathString.c_str(), 1);
Strings args;
for (auto & arg : command) args.push_back(arg);

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@ -23,4 +23,20 @@ with import ./config.nix;
chmod +x $dev/bin/hello2
'';
};
salve-mundi = mkDerivation {
name = "salve-mundi";
outputs = [ "out" ];
meta.outputsToInstall = [ "out" ];
buildCommand =
''
mkdir -p $out/bin
cat > $out/bin/hello <<EOF
#! ${shell}
echo "Salve Mundi from $out/bin/hello"
EOF
chmod +x $out/bin/hello
'';
};
}

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@ -10,6 +10,14 @@ nix shell -f shell-hello.nix hello -c hello NixOS | grep 'Hello NixOS'
nix shell -f shell-hello.nix hello^dev -c hello2 | grep 'Hello2'
nix shell -f shell-hello.nix 'hello^*' -c hello2 | grep 'Hello2'
if isDaemonNewer "2.20.0pre20231220"; then
# Test that command line attribute ordering is reflected in the PATH
# https://github.com/NixOS/nix/issues/7905
nix shell -f shell-hello.nix hello salve-mundi -c hello | grep 'Hello World'
nix shell -f shell-hello.nix salve-mundi hello -c hello | grep 'Salve Mundi'
fi
requireSandboxSupport
chmod -R u+w $TEST_ROOT/store0 || true