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Allow selecting derivation outputs using 'installable!outputs'

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E.g. 'nixpkgs#glibc^dev,static' or 'nixpkgs#glibc^*'.
This commit is contained in:
Eelco Dolstra 2022-04-22 15:17:01 +02:00
parent 404c222444
commit 4a79cba511
17 changed files with 255 additions and 12 deletions
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46
src/libcmd/installables.cc
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@ -464,9 +464,19 @@ struct InstallableAttrPath : InstallableValue
SourceExprCommand & cmd;
RootValue v;
std::string attrPath;
OutputsSpec outputsSpec;
InstallableAttrPath(ref<EvalState> state, SourceExprCommand & cmd, Value * v, const std::string & attrPath)
: InstallableValue(state), cmd(cmd), v(allocRootValue(v)), attrPath(attrPath)
InstallableAttrPath(
ref<EvalState> state,
SourceExprCommand & cmd,
Value * v,
const std::string & attrPath,
OutputsSpec outputsSpec)
: InstallableValue(state)
, cmd(cmd)
, v(allocRootValue(v))
, attrPath(attrPath)
, outputsSpec(std::move(outputsSpec))
{ }
std::string what() const override { return attrPath; }
@ -495,9 +505,15 @@ std::vector<InstallableValue::DerivationInfo> InstallableAttrPath::toDerivations
auto drvPath = drvInfo.queryDrvPath();
if (!drvPath)
throw Error("'%s' is not a derivation", what());
std::set<std::string> outputsToInstall;
for (auto & output : drvInfo.queryOutputs(false, true))
outputsToInstall.insert(output.first);
if (auto outputNames = std::get_if<OutputNames>(&outputsSpec))
outputsToInstall = *outputNames;
else
for (auto & output : drvInfo.queryOutputs(false, std::get_if<DefaultOutputs>(&outputsSpec)))
outputsToInstall.insert(output.first);
res.push_back(DerivationInfo {
.drvPath = *drvPath,
.outputsToInstall = std::move(outputsToInstall)
@ -578,6 +594,7 @@ InstallableFlake::InstallableFlake(
ref<EvalState> state,
FlakeRef && flakeRef,
std::string_view fragment,
OutputsSpec outputsSpec,
Strings attrPaths,
Strings prefixes,
const flake::LockFlags & lockFlags)
@ -585,6 +602,7 @@ InstallableFlake::InstallableFlake(
flakeRef(flakeRef),
attrPaths(fragment == "" ? attrPaths : Strings{(std::string) fragment}),
prefixes(fragment == "" ? Strings{} : prefixes),
outputsSpec(std::move(outputsSpec)),
lockFlags(lockFlags)
{
if (cmd && cmd->getAutoArgs(*state)->size())
@ -609,14 +627,19 @@ std::tuple<std::string, FlakeRef, InstallableValue::DerivationInfo> InstallableF
for (auto & s : aOutputsToInstall->getListOfStrings())
outputsToInstall.insert(s);
if (outputsToInstall.empty())
if (outputsToInstall.empty() || std::get_if<AllOutputs>(&outputsSpec)) {
outputsToInstall.clear();
if (auto aOutputs = attr->maybeGetAttr(state->sOutputs))
for (auto & s : aOutputs->getListOfStrings())
outputsToInstall.insert(s);
}
if (outputsToInstall.empty())
outputsToInstall.insert("out");
if (auto outputNames = std::get_if<OutputNames>(&outputsSpec))
outputsToInstall = *outputNames;
auto drvInfo = DerivationInfo {
.drvPath = std::move(drvPath),
.outputsToInstall = std::move(outputsToInstall),
@ -742,8 +765,14 @@ std::vector<std::shared_ptr<Installable>> SourceExprCommand::parseInstallables(
state->eval(e, *vFile);
}
for (auto & s : ss)
result.push_back(std::make_shared<InstallableAttrPath>(state, *this, vFile, s == "." ? "" : s));
for (auto & s : ss) {
auto [prefix, outputsSpec] = parseOutputsSpec(s);
result.push_back(
std::make_shared<InstallableAttrPath>(
state, *this, vFile,
prefix == "." ? "" : prefix,
outputsSpec));
}
} else {
@ -762,12 +791,13 @@ std::vector<std::shared_ptr<Installable>> SourceExprCommand::parseInstallables(
}
try {
auto [flakeRef, fragment] = parseFlakeRefWithFragment(s, absPath("."));
auto [flakeRef, fragment, outputsSpec] = parseFlakeRefWithFragmentAndOutputsSpec(s, absPath("."));
result.push_back(std::make_shared<InstallableFlake>(
this,
getEvalState(),
std::move(flakeRef),
fragment,
outputsSpec,
getDefaultFlakeAttrPaths(),
getDefaultFlakeAttrPathPrefixes(),
lockFlags));