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Allow fetchGit to take a name argument

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Fix #3388
This commit is contained in:
regnat 2021-07-05 13:09:46 +02:00
parent f9d72855ae
commit 83615fcf8f
4 changed files with 16 additions and 5 deletions
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7
src/libfetchers/fetchers.cc
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@ -200,12 +200,17 @@ void Input::markChangedFile(
return scheme->markChangedFile(*this, file, commitMsg); return scheme->markChangedFile(*this, file, commitMsg);
} }
std::string Input::getName() const
{
return maybeGetStrAttr(attrs, "name").value_or("source");
}
StorePath Input::computeStorePath(Store & store) const StorePath Input::computeStorePath(Store & store) const
{ {
auto narHash = getNarHash(); auto narHash = getNarHash();
if (!narHash) if (!narHash)
throw Error("cannot compute store path for mutable input '%s'", to_string()); throw Error("cannot compute store path for mutable input '%s'", to_string());
return store.makeFixedOutputPath(FileIngestionMethod::Recursive, *narHash, "source"); return store.makeFixedOutputPath(FileIngestionMethod::Recursive, *narHash, getName());
} }
std::string Input::getType() const std::string Input::getType() const

2
src/libfetchers/fetchers.hh
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@ -81,6 +81,8 @@ public:
std::string_view file, std::string_view file,
std::optional<std::string> commitMsg) const; std::optional<std::string> commitMsg) const;
std::string getName() const;
StorePath computeStorePath(Store & store) const; StorePath computeStorePath(Store & store) const;
// Convenience functions for common attributes. // Convenience functions for common attributes.

8
src/libfetchers/git.cc
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@ -60,7 +60,7 @@ struct GitInputScheme : InputScheme
if (maybeGetStrAttr(attrs, "type") != "git") return {}; if (maybeGetStrAttr(attrs, "type") != "git") return {};
for (auto & [name, value] : attrs) for (auto & [name, value] : attrs)
if (name != "type" && name != "url" && name != "ref" && name != "rev" && name != "shallow" && name != "submodules" && name != "lastModified" && name != "revCount" && name != "narHash" && name != "allRefs") if (name != "type" && name != "url" && name != "ref" && name != "rev" && name != "shallow" && name != "submodules" && name != "lastModified" && name != "revCount" && name != "narHash" && name != "allRefs" && name != "name")
throw Error("unsupported Git input attribute '%s'", name); throw Error("unsupported Git input attribute '%s'", name);
parseURL(getStrAttr(attrs, "url")); parseURL(getStrAttr(attrs, "url"));
@ -167,10 +167,10 @@ struct GitInputScheme : InputScheme
std::pair<Tree, Input> fetch(ref<Store> store, const Input & _input) override std::pair<Tree, Input> fetch(ref<Store> store, const Input & _input) override
{ {
auto name = "source";
Input input(_input); Input input(_input);
std::string name = input.getName();
bool shallow = maybeGetBoolAttr(input.attrs, "shallow").value_or(false); bool shallow = maybeGetBoolAttr(input.attrs, "shallow").value_or(false);
bool submodules = maybeGetBoolAttr(input.attrs, "submodules").value_or(false); bool submodules = maybeGetBoolAttr(input.attrs, "submodules").value_or(false);
bool allRefs = maybeGetBoolAttr(input.attrs, "allRefs").value_or(false); bool allRefs = maybeGetBoolAttr(input.attrs, "allRefs").value_or(false);
@ -270,7 +270,7 @@ struct GitInputScheme : InputScheme
return files.count(file); 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);
// FIXME: maybe we should use the timestamp of the last // FIXME: maybe we should use the timestamp of the last
// modified dirty file? // modified dirty file?

4
tests/fetchGit.sh
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@ -189,3 +189,7 @@ path8=$(nix eval --impure --raw --expr "(builtins.fetchGit { url = \"file://$rep
rev4=$(git -C $repo rev-parse HEAD) rev4=$(git -C $repo rev-parse HEAD)
rev4_nix=$(nix eval --impure --raw --expr "(builtins.fetchGit { url = \"file://$repo\"; ref = \"HEAD\"; }).rev") rev4_nix=$(nix eval --impure --raw --expr "(builtins.fetchGit { url = \"file://$repo\"; ref = \"HEAD\"; }).rev")
[[ $rev4 = $rev4_nix ]] [[ $rev4 = $rev4_nix ]]
# The name argument should be handled
path9=$(nix eval --impure --raw --expr "(builtins.fetchGit { url = \"file://$repo\"; ref = \"HEAD\"; name = \"foo\"; }).outPath")
[[ $path9 =~ -foo$ ]]