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Throw an error if --arg / --argstr is used with a flake

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Fixes #3949.
This commit is contained in:
Eelco Dolstra 2021-02-17 17:32:10 +01:00
parent f33878b656
commit 13897afbe6
6 changed files with 39 additions and 10 deletions
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24
src/libcmd/installables.cc
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@ -496,6 +496,23 @@ static std::string showAttrPaths(const std::vector<std::string> & paths)
return s;
}
InstallableFlake::InstallableFlake(
SourceExprCommand * cmd,
ref<EvalState> state,
FlakeRef && flakeRef,
Strings && attrPaths,
Strings && prefixes,
const flake::LockFlags & lockFlags)
: InstallableValue(state),
flakeRef(flakeRef),
attrPaths(attrPaths),
prefixes(prefixes),
lockFlags(lockFlags)
{
if (cmd && cmd->getAutoArgs(*state)->size())
throw UsageError("'--arg' and '--argstr' are incompatible with flakes");
}
std::tuple<std::string, FlakeRef, InstallableValue::DerivationInfo> InstallableFlake::toDerivation()
{
auto lockedFlake = getLockedFlake();
@ -628,9 +645,12 @@ std::vector<std::shared_ptr<Installable>> SourceExprCommand::parseInstallables(
try {
auto [flakeRef, fragment] = parseFlakeRefWithFragment(s, absPath("."));
result.push_back(std::make_shared<InstallableFlake>(
getEvalState(), std::move(flakeRef),
this,
getEvalState(),
std::move(flakeRef),
fragment == "" ? getDefaultFlakeAttrPaths() : Strings{fragment},
getDefaultFlakeAttrPathPrefixes(), lockFlags));
getDefaultFlakeAttrPathPrefixes(),
lockFlags));
continue;
} catch (...) {
ex = std::current_exception();