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allow fetchMercurial to take a name argument

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This commit is contained in:
regnat 2021-07-06 08:43:06 +02:00
parent a487a652ed
commit e4b082a52b
3 changed files with 10 additions and 4 deletions
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1
src/libexpr/primops/fetchMercurial.cc
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@ -62,6 +62,7 @@ static void prim_fetchMercurial(EvalState & state, const Pos & pos, Value * * ar
fetchers::Attrs attrs;
attrs.insert_or_assign("type", "hg");
attrs.insert_or_assign("url", url.find("://") != std::string::npos ? url : "file://" + url);
attrs.insert_or_assign("name", name);
if (ref) attrs.insert_or_assign("ref", *ref);
if (rev) attrs.insert_or_assign("rev", rev->gitRev());
auto input = fetchers::Input::fromAttrs(std::move(attrs));

8
src/libfetchers/mercurial.cc
View file

@ -74,7 +74,7 @@ struct MercurialInputScheme : InputScheme
if (maybeGetStrAttr(attrs, "type") != "hg") return {};
for (auto & [name, value] : attrs)
if (name != "type" && name != "url" && name != "ref" && name != "rev" && name != "revCount" && name != "narHash")
if (name != "type" && name != "url" && name != "ref" && name != "rev" && name != "revCount" && name != "narHash" && name != "name")
throw Error("unsupported Mercurial input attribute '%s'", name);
parseURL(getStrAttr(attrs, "url"));
@ -147,10 +147,10 @@ struct MercurialInputScheme : InputScheme
std::pair<Tree, Input> fetch(ref<Store> store, const Input & _input) override
{
auto name = "source";
Input input(_input);
auto name = input.getName();
auto [isLocal, actualUrl_] = getActualUrl(input);
auto actualUrl = actualUrl_; // work around clang bug
@ -193,7 +193,7 @@ struct MercurialInputScheme : InputScheme
return files.count(file);
};
auto storePath = store->addToStore("source", actualUrl, FileIngestionMethod::Recursive, htSHA256, filter);
auto storePath = store->addToStore(input.getName(), actualUrl, FileIngestionMethod::Recursive, htSHA256, filter);
return {
Tree(store->toRealPath(storePath), std::move(storePath)),

5
tests/fetchMercurial.sh
View file

@ -94,3 +94,8 @@ hg commit --cwd $repo -m 'Bla3'
path4=$(nix eval --impure --refresh --raw --expr "(builtins.fetchMercurial file://$repo).outPath")
[[ $path2 = $path4 ]]
echo paris > $repo/hello
# Passing a `name` argument should be reflected in the output path
path5=$(nix eval -vvvvv --impure --refresh --raw --expr "(builtins.fetchMercurial { url = \"file://$repo\"; name = \"foo\"; } ).outPath")
[[ $path5 =~ -foo$ ]]