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Move parseTreeInfo()

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This commit is contained in:
Eelco Dolstra 2020-04-02 18:26:39 +02:00
parent 6cf91d6fbd
commit 6d6467d376
3 changed files with 37 additions and 35 deletions
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36
src/libexpr/flake/lockfile.cc
View file

@ -32,44 +32,10 @@ FlakeRef getFlakeRef(
throw Error("attribute '%s' missing in lock file", version4Attr);
}
static TreeInfo parseTreeInfo(const nlohmann::json & json)
{
TreeInfo info;
auto i = json.find("info");
if (i != json.end()) {
const nlohmann::json & i2(*i);
auto j = i2.find("narHash");
if (j != i2.end())
info.narHash = Hash((std::string) *j);
else
throw Error("attribute 'narHash' missing in lock file");
j = i2.find("revCount");
if (j != i2.end())
info.revCount = *j;
j = i2.find("lastModified");
if (j != i2.end())
info.lastModified = *j;
return info;
}
i = json.find("narHash");
if (i != json.end()) {
info.narHash = Hash((std::string) *i);
return info;
}
throw Error("attribute 'info' missing in lock file");
}
LockedNode::LockedNode(const nlohmann::json & json)
: lockedRef(getFlakeRef(json, "url", "uri", "locked"))
, originalRef(getFlakeRef(json, "originalUrl", "originalUri", "original"))
, info(parseTreeInfo(json))
, info(TreeInfo::fromJson(json))
, isFlake(json.find("flake") != json.end() ? (bool) json["flake"] : true)
{
if (!lockedRef.input->isImmutable())

34
src/libfetchers/tree-info.cc
View file

@ -11,6 +11,40 @@ StorePath TreeInfo::computeStorePath(Store & store) const
return store.makeFixedOutputPath(true, narHash, "source");
}
TreeInfo TreeInfo::fromJson(const nlohmann::json & json)
{
TreeInfo info;
auto i = json.find("info");
if (i != json.end()) {
const nlohmann::json & i2(*i);
auto j = i2.find("narHash");
if (j != i2.end())
info.narHash = Hash((std::string) *j);
else
throw Error("attribute 'narHash' missing in lock file");
j = i2.find("revCount");
if (j != i2.end())
info.revCount = *j;
j = i2.find("lastModified");
if (j != i2.end())
info.lastModified = *j;
return info;
}
i = json.find("narHash");
if (i != json.end()) {
info.narHash = Hash((std::string) *i);
return info;
}
throw Error("attribute 'info' missing in lock file");
}
nlohmann::json TreeInfo::toJson() const
{
nlohmann::json json;

2
src/libfetchers/tree-info.hh
View file

@ -25,6 +25,8 @@ struct TreeInfo
StorePath computeStorePath(Store & store) const;
static TreeInfo fromJson(const nlohmann::json & json);
nlohmann::json toJson() const;
};