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Merge pull request #4995 from NixOS/fetchgit-name-attribute

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Fix the `name` attribute in builtins.fetchGit
This commit is contained in:
Eelco Dolstra 2021-07-09 00:32:13 +02:00 committed by GitHub
parent 8648143120 a654c1d81c
commit d2b8b23ae9
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 15 additions and 9 deletions
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24
src/libexpr/primops/fetchTree.cc
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@ -82,13 +82,18 @@ void addURI(EvalState &state, fetchers::Attrs &attrs, Symbol name, std::string v
attrs.emplace(name, n == "url" ? fixURI(v, state) : v);
}
struct FetchTreeParams {
bool emptyRevFallback = false;
bool allowNameArgument = false;
};
static void fetchTree(
EvalState &state,
const Pos &pos,
Value **args,
Value &v,
const std::optional<std::string> type,
bool emptyRevFallback = false
const FetchTreeParams & params = FetchTreeParams{}
) {
fetchers::Input input;
PathSet context;
@ -129,11 +134,12 @@ static void fetchTree(
.errPos = pos
});
if (auto nameIter = attrs.find("name"); nameIter != attrs.end())
throw Error({
.msg = hintfmt("attribute 'name' isn’t supported in call to 'fetchTree'"),
.errPos = pos
});
if (!params.allowNameArgument)
if (auto nameIter = attrs.find("name"); nameIter != attrs.end())
throw Error({
.msg = hintfmt("attribute 'name' isn’t supported in call to 'fetchTree'"),
.errPos = pos
});
input = fetchers::Input::fromAttrs(std::move(attrs));
@ -161,13 +167,13 @@ static void fetchTree(
if (state.allowedPaths)
state.allowedPaths->insert(tree.actualPath);
emitTreeAttrs(state, tree, input2, v, emptyRevFallback);
emitTreeAttrs(state, tree, input2, v, params.emptyRevFallback);
}
static void prim_fetchTree(EvalState & state, const Pos & pos, Value * * args, Value & v)
{
settings.requireExperimentalFeature("flakes");
fetchTree(state, pos, args, v, std::nullopt);
fetchTree(state, pos, args, v, std::nullopt, FetchTreeParams { .allowNameArgument = false });
}
// FIXME: document
@ -309,7 +315,7 @@ static RegisterPrimOp primop_fetchTarball({
static void prim_fetchGit(EvalState &state, const Pos &pos, Value **args, Value &v)
{
fetchTree(state, pos, args, v, "git", true);
fetchTree(state, pos, args, v, "git", FetchTreeParams { .emptyRevFallback = true, .allowNameArgument = true });
}
static RegisterPrimOp primop_fetchGit({