lix-project/lix
20
58
Fork 31
Code Issues 359 Code Review (Gerrit) Projects 3 Releases Wiki Activity

SourceExprCommand: swallow EvalError, add tests for this

Browse source 
Completing things that would error would print an ugly error in
the middle of your command line. Avoid printing this error.
This commit is contained in:
Yorick 2022-11-03 10:11:28 +01:00
parent 444af85552
commit 16f1720fd2
No known key found for this signature in database
GPG key ID: A36E70F9DC014A15
2 changed files with 51 additions and 40 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

85
src/libcmd/installables.cc
View file

@ -207,55 +207,60 @@ Strings SourceExprCommand::getDefaultFlakeAttrPathPrefixes()
void SourceExprCommand::completeInstallable(std::string_view prefix)
{
if (file) {
completionType = ctAttrs;
try {
if (file) {
completionType = ctAttrs;
evalSettings.pureEval = false;
auto state = getEvalState();
Expr *e = state->parseExprFromFile(
resolveExprPath(state->checkSourcePath(lookupFileArg(*state, *file)))
);
evalSettings.pureEval = false;
auto state = getEvalState();
Expr *e = state->parseExprFromFile(
resolveExprPath(state->checkSourcePath(lookupFileArg(*state, *file)))
);
Value root;
state->eval(e, root);
Value root;
state->eval(e, root);
auto autoArgs = getAutoArgs(*state);
auto autoArgs = getAutoArgs(*state);
std::string prefix_ = std::string(prefix);
auto sep = prefix_.rfind('.');
std::string searchWord;
if (sep != std::string::npos) {
searchWord = prefix_.substr(sep + 1, std::string::npos);
prefix_ = prefix_.substr(0, sep);
} else {
searchWord = prefix_;
prefix_ = "";
}
std::string prefix_ = std::string(prefix);
auto sep = prefix_.rfind('.');
std::string searchWord;
if (sep != std::string::npos) {
searchWord = prefix_.substr(sep + 1, std::string::npos);
prefix_ = prefix_.substr(0, sep);
} else {
searchWord = prefix_;
prefix_ = "";
}
auto [v, pos] = findAlongAttrPath(*state, prefix_, *autoArgs, root);
Value &v1(*v);
state->forceValue(v1, pos);
Value v2;
state->autoCallFunction(*autoArgs, v1, v2);
auto [v, pos] = findAlongAttrPath(*state, prefix_, *autoArgs, root);
Value &v1(*v);
state->forceValue(v1, pos);
Value v2;
state->autoCallFunction(*autoArgs, v1, v2);
if (v2.type() == nAttrs) {
for (auto & i : *v2.attrs) {
std::string name = state->symbols[i.name];
if (name.find(searchWord) == 0) {
if (prefix_ == "")
completions->add(name);
else
completions->add(prefix_ + "." + name);
if (v2.type() == nAttrs) {
for (auto & i : *v2.attrs) {
std::string name = state->symbols[i.name];
if (name.find(searchWord) == 0) {
if (prefix_ == "")
completions->add(name);
else
completions->add(prefix_ + "." + name);
}
}
}
} else {
completeFlakeRefWithFragment(
getEvalState(),
lockFlags,
getDefaultFlakeAttrPathPrefixes(),
getDefaultFlakeAttrPaths(),
prefix);
}
} else {
completeFlakeRefWithFragment(
getEvalState(),
lockFlags,
getDefaultFlakeAttrPathPrefixes(),
getDefaultFlakeAttrPaths(),
prefix);
} catch (EvalError& e) {
// swallow eval error
(void)e;
}
}

6
tests/completions.sh
View file

@ -28,6 +28,10 @@ cat <<EOF > bar/flake.nix
};
}
EOF
mkdir -p err
cat <<EOF > err/flake.nix
throw "error"
EOF
# Test the completion of a subcommand
[[ "$(NIX_GET_COMPLETIONS=1 nix buil)" == $'normal\nbuild\t' ]]
@ -60,3 +64,5 @@ NIX_GET_COMPLETIONS=3 nix build --option allow-import-from | grep -- "allow-impo
# Attr path completions
[[ "$(NIX_GET_COMPLETIONS=2 nix eval ./foo\#sam)" == $'attrs\n./foo#sampleOutput\t' ]]
[[ "$(NIX_GET_COMPLETIONS=4 nix eval --file ./foo/flake.nix outp)" == $'attrs\noutputs\t' ]]
[[ "$(NIX_GET_COMPLETIONS=4 nix eval --file ./err/flake.nix outp 2>&1)" == $'attrs' ]]
[[ "$(NIX_GET_COMPLETIONS=2 nix eval ./err\# 2>&1)" == $'attrs' ]]