max/nix-super
1
0
Fork 0
mirror of https://github.com/privatevoid-net/nix-super.git synced 2024-11-22 14:06:16 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

Resstore 'nix flake archive'

Browse source
This commit is contained in:
Eelco Dolstra 2022-08-04 14:47:41 +02:00
parent 5ef9008bf3
commit b449825e91
2 changed files with 23 additions and 26 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
src/nix/flake-archive.md
View file

@ -15,11 +15,10 @@ R""(
# nix flake archive dwarffs
```
* Print the store paths of the flake sources of NixOps without
fetching them:
* Copy and print the store paths of the flake sources of NixOps:
```console
# nix flake archive --json --dry-run nixops
# nix flake archive --json nixops
```
# Description

44
src/nix/flake.cc
View file

@ -877,8 +877,7 @@ struct CmdFlakeClone : FlakeCommand
}
};
#if 0
struct CmdFlakeArchive : FlakeCommand, MixJSON, MixDryRun
struct CmdFlakeArchive : FlakeCommand, MixJSON
{
std::string dstUri;
@ -906,45 +905,44 @@ struct CmdFlakeArchive : FlakeCommand, MixJSON, MixDryRun
void run(nix::ref<nix::Store> store) override
{
auto dstStore = store;
if (!dstUri.empty())
dstStore = openStore(dstUri);
auto flake = lockFlake();
auto jsonRoot = json ? std::optional<JSONObject>(std::cout) : std::nullopt;
StorePathSet sources;
sources.insert(flake.flake.sourceInfo->storePath);
if (jsonRoot)
jsonRoot->attr("path", store->printStorePath(flake.flake.sourceInfo->storePath));
{
Activity act(*logger, lvlChatty, actUnknown, fmt("archiving root"));
auto storePath = flake.flake.lockedRef.input.fetchToStore(dstStore).first;
if (jsonRoot)
jsonRoot->attr("path", store->printStorePath(storePath));
}
// FIXME: use graph output, handle cycles.
std::function<void(const Node & node, std::optional<JSONObject> & jsonObj)> traverse;
traverse = [&](const Node & node, std::optional<JSONObject> & jsonObj)
std::function<void(const Node & node, const InputPath & parentPath, std::optional<JSONObject> & jsonObj)> traverse;
traverse = [&](const Node & node, const InputPath & parentPath, std::optional<JSONObject> & jsonObj)
{
auto jsonObj2 = jsonObj ? jsonObj->object("inputs") : std::optional<JSONObject>();
for (auto & [inputName, input] : node.inputs) {
if (auto inputNode = std::get_if<0>(&input)) {
auto inputPath = parentPath;
inputPath.push_back(inputName);
Activity act(*logger, lvlChatty, actUnknown,
fmt("archiving input '%s'", printInputPath(inputPath)));
auto jsonObj3 = jsonObj2 ? jsonObj2->object(inputName) : std::optional<JSONObject>();
auto storePath =
dryRun
? (*inputNode)->lockedRef.input.computeStorePath(*store)
: (*inputNode)->lockedRef.input.fetch(store).first.storePath;
auto storePath = (*inputNode)->lockedRef.input.fetchToStore(dstStore).first;
if (jsonObj3)
jsonObj3->attr("path", store->printStorePath(storePath));
sources.insert(std::move(storePath));
traverse(**inputNode, jsonObj3);
traverse(**inputNode, inputPath, jsonObj3);
}
}
};
traverse(*flake.lockFile.root, jsonRoot);
if (!dryRun && !dstUri.empty()) {
ref<Store> dstStore = dstUri.empty() ? openStore() : openStore(dstUri);
copyPaths(*store, *dstStore, sources);
}
traverse(*flake.lockFile.root, {}, jsonRoot);
}
};
#endif
struct CmdFlakeShow : FlakeCommand, MixJSON
{
@ -1200,7 +1198,7 @@ struct CmdFlake : NixMultiCommand
{"init", []() { return make_ref<CmdFlakeInit>(); }},
{"new", []() { return make_ref<CmdFlakeNew>(); }},
{"clone", []() { return make_ref<CmdFlakeClone>(); }},
//{"archive", []() { return make_ref<CmdFlakeArchive>(); }},
{"archive", []() { return make_ref<CmdFlakeArchive>(); }},
{"show", []() { return make_ref<CmdFlakeShow>(); }},
{"prefetch", []() { return make_ref<CmdFlakePrefetch>(); }},
})