forked from lix-project/lix
Merge 'nix flake {info,list-inputs}' into 'nix flake metadata'
Fixes #4613.
This commit is contained in:
parent
77f5d171e1
commit
66fa1c7375
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@ -1,23 +0,0 @@
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R""(
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# Examples
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* Show the inputs of the `hydra` flake:
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```console
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# nix flake list-inputs github:NixOS/hydra
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github:NixOS/hydra/bde8d81876dfc02143e5070e42c78d8f0d83d6f7
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├───nix: github:NixOS/nix/79aa7d95183cbe6c0d786965f0dbff414fd1aa67
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│ ├───lowdown-src: github:kristapsdz/lowdown/1705b4a26fbf065d9574dce47a94e8c7c79e052f
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│ └───nixpkgs: github:NixOS/nixpkgs/ad0d20345219790533ebe06571f82ed6b034db31
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└───nixpkgs follows input 'nix/nixpkgs'
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```
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# Description
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This command shows the inputs of the flake specified by the flake
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referenced *flake-url*. Since it prints the locked inputs that result
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from generating or updating the lock file, this command essentially
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displays the contents of the flake's lock file in human-readable form.
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)""
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@ -5,19 +5,24 @@ R""(
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* Show what `nixpkgs` resolves to:
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```console
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# nix flake info nixpkgs
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Resolved URL: github:NixOS/nixpkgs
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Locked URL: github:NixOS/nixpkgs/b67ba0bfcc714453cdeb8d713e35751eb8b4c8f4
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Description: A collection of packages for the Nix package manager
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Path: /nix/store/23qapccs6cfmwwrlq8kr41vz5vdmns3r-source
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Revision: b67ba0bfcc714453cdeb8d713e35751eb8b4c8f4
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Last modified: 2020-12-23 12:36:12
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# nix flake metadata nixpkgs
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Resolved URL: github:edolstra/dwarffs
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Locked URL: github:edolstra/dwarffs/f691e2c991e75edb22836f1dbe632c40324215c5
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Description: A filesystem that fetches DWARF debug info from the Internet on demand
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Path: /nix/store/769s05vjydmc2lcf6b02az28wsa9ixh1-source
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Revision: f691e2c991e75edb22836f1dbe632c40324215c5
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Last modified: 2021-01-21 15:41:26
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Inputs:
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├───nix: github:NixOS/nix/6254b1f5d298ff73127d7b0f0da48f142bdc753c
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│ ├───lowdown-src: github:kristapsdz/lowdown/1705b4a26fbf065d9574dce47a94e8c7c79e052f
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│ └───nixpkgs: github:NixOS/nixpkgs/ad0d20345219790533ebe06571f82ed6b034db31
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└───nixpkgs follows input 'nix/nixpkgs'
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```
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* Show information about `dwarffs` in JSON format:
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```console
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# nix flake info dwarffs --json | jq .
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# nix flake metadata dwarffs --json | jq .
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{
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"description": "A filesystem that fetches DWARF debug info from the Internet on demand",
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"lastModified": 1597153508,
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@ -29,6 +34,7 @@ R""(
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"rev": "d181d714fd36eb06f4992a1997cd5601e26db8f5",
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"type": "github"
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},
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"locks": { ... },
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"original": {
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"id": "dwarffs",
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"type": "indirect"
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@ -75,6 +81,9 @@ data. This includes:
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time of the commit of the locked flake; for tarball flakes, it's the
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most recent timestamp of any file inside the tarball.
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* `Inputs`: The flake inputs with their corresponding lock file
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entries.
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With `--json`, the output is a JSON object with the following fields:
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* `original` and `originalUrl`: The flake reference specified by the
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* `lastModified`: See `Last modified` above.
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* `locks`: The contents of `flake.lock`.
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)""
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134
src/nix/flake.cc
134
src/nix/flake.cc
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@ -43,12 +43,6 @@ public:
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return parseFlakeRef(flakeUrl, absPath(".")); //FIXME
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}
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Flake getFlake()
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{
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auto evalState = getEvalState();
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return flake::getFlake(*evalState, getFlakeRef(), lockFlags.useRegistries);
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}
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LockedFlake lockFlake()
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{
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return flake::lockFlake(*getEvalState(), getFlakeRef(), lockFlags);
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@ -60,43 +54,6 @@ public:
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}
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};
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static void printFlakeInfo(const Store & store, const Flake & flake)
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{
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logger->cout("Resolved URL: %s", flake.resolvedRef.to_string());
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logger->cout("Locked URL: %s", flake.lockedRef.to_string());
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if (flake.description)
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logger->cout("Description: %s", *flake.description);
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logger->cout("Path: %s", store.printStorePath(flake.sourceInfo->storePath));
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if (auto rev = flake.lockedRef.input.getRev())
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logger->cout("Revision: %s", rev->to_string(Base16, false));
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if (auto revCount = flake.lockedRef.input.getRevCount())
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logger->cout("Revisions: %s", *revCount);
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if (auto lastModified = flake.lockedRef.input.getLastModified())
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logger->cout("Last modified: %s",
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std::put_time(std::localtime(&*lastModified), "%F %T"));
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}
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static nlohmann::json flakeToJSON(const Store & store, const Flake & flake)
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{
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nlohmann::json j;
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if (flake.description)
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j["description"] = *flake.description;
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j["originalUrl"] = flake.originalRef.to_string();
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j["original"] = fetchers::attrsToJSON(flake.originalRef.toAttrs());
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j["resolvedUrl"] = flake.resolvedRef.to_string();
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j["resolved"] = fetchers::attrsToJSON(flake.resolvedRef.toAttrs());
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j["url"] = flake.lockedRef.to_string(); // FIXME: rename to lockedUrl
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j["locked"] = fetchers::attrsToJSON(flake.lockedRef.toAttrs());
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if (auto rev = flake.lockedRef.input.getRev())
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j["revision"] = rev->to_string(Base16, false);
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if (auto revCount = flake.lockedRef.input.getRevCount())
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j["revCount"] = *revCount;
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if (auto lastModified = flake.lockedRef.input.getLastModified())
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j["lastModified"] = *lastModified;
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j["path"] = store.printStorePath(flake.sourceInfo->storePath);
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return j;
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}
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struct CmdFlakeUpdate : FlakeCommand
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{
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std::string description() override
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callback(attr.name, *attr.value, *attr.pos);
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}
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struct CmdFlakeInfo : FlakeCommand, MixJSON
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struct CmdFlakeMetadata : FlakeCommand, MixJSON
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{
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std::string description() override
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{
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return "list info about a given flake";
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return "show flake metadata";
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}
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std::string doc() override
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{
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return
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#include "flake-info.md"
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#include "flake-metadata.md"
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;
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}
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void run(nix::ref<nix::Store> store) override
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{
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auto flake = getFlake();
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auto lockedFlake = lockFlake();
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auto & flake = lockedFlake.flake;
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if (json) {
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auto json = flakeToJSON(*store, flake);
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logger->cout("%s", json.dump());
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} else
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printFlakeInfo(*store, flake);
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}
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};
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nlohmann::json j;
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if (flake.description)
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j["description"] = *flake.description;
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j["originalUrl"] = flake.originalRef.to_string();
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j["original"] = fetchers::attrsToJSON(flake.originalRef.toAttrs());
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j["resolvedUrl"] = flake.resolvedRef.to_string();
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j["resolved"] = fetchers::attrsToJSON(flake.resolvedRef.toAttrs());
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j["url"] = flake.lockedRef.to_string(); // FIXME: rename to lockedUrl
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j["locked"] = fetchers::attrsToJSON(flake.lockedRef.toAttrs());
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if (auto rev = flake.lockedRef.input.getRev())
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j["revision"] = rev->to_string(Base16, false);
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if (auto revCount = flake.lockedRef.input.getRevCount())
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j["revCount"] = *revCount;
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if (auto lastModified = flake.lockedRef.input.getLastModified())
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j["lastModified"] = *lastModified;
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j["path"] = store->printStorePath(flake.sourceInfo->storePath);
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j["locks"] = lockedFlake.lockFile.toJSON();
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logger->cout("%s", j.dump());
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} else {
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logger->cout(
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ANSI_BOLD "Resolved URL:" ANSI_NORMAL " %s",
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flake.resolvedRef.to_string());
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logger->cout(
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ANSI_BOLD "Locked URL:" ANSI_NORMAL " %s",
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flake.lockedRef.to_string());
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if (flake.description)
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logger->cout(
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ANSI_BOLD "Description:" ANSI_NORMAL " %s",
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*flake.description);
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logger->cout(
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ANSI_BOLD "Path:" ANSI_NORMAL " %s",
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store->printStorePath(flake.sourceInfo->storePath));
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if (auto rev = flake.lockedRef.input.getRev())
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logger->cout(
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ANSI_BOLD "Revision:" ANSI_NORMAL " %s",
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rev->to_string(Base16, false));
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if (auto revCount = flake.lockedRef.input.getRevCount())
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logger->cout(
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ANSI_BOLD "Revisions:" ANSI_NORMAL " %s",
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*revCount);
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if (auto lastModified = flake.lockedRef.input.getLastModified())
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logger->cout(
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ANSI_BOLD "Last modified:" ANSI_NORMAL " %s",
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std::put_time(std::localtime(&*lastModified), "%F %T"));
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struct CmdFlakeListInputs : FlakeCommand, MixJSON
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{
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std::string description() override
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{
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return "list flake inputs";
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}
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std::string doc() override
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{
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return
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#include "flake-list-inputs.md"
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;
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}
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void run(nix::ref<nix::Store> store) override
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{
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auto flake = lockFlake();
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if (json)
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logger->cout("%s", flake.lockFile.toJSON());
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else {
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logger->cout("%s", flake.flake.lockedRef);
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logger->cout(ANSI_BOLD "Inputs:" ANSI_NORMAL);
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std::unordered_set<std::shared_ptr<Node>> visited;
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if (auto lockedNode = std::get_if<0>(&input.second)) {
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logger->cout("%s" ANSI_BOLD "%s" ANSI_NORMAL ": %s",
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prefix + (last ? treeLast : treeConn), input.first,
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*lockedNode ? (*lockedNode)->lockedRef : flake.flake.lockedRef);
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*lockedNode ? (*lockedNode)->lockedRef : flake.lockedRef);
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bool firstVisit = visited.insert(*lockedNode).second;
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}
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};
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visited.insert(flake.lockFile.root);
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recurse(*flake.lockFile.root, "");
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visited.insert(lockedFlake.lockFile.root);
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recurse(*lockedFlake.lockFile.root, "");
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}
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}
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};
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@ -1048,8 +1023,7 @@ struct CmdFlake : NixMultiCommand
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: MultiCommand({
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{"update", []() { return make_ref<CmdFlakeUpdate>(); }},
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{"lock", []() { return make_ref<CmdFlakeLock>(); }},
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{"info", []() { return make_ref<CmdFlakeInfo>(); }},
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{"list-inputs", []() { return make_ref<CmdFlakeListInputs>(); }},
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{"metadata", []() { return make_ref<CmdFlakeMetadata>(); }},
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{"check", []() { return make_ref<CmdFlakeCheck>(); }},
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{"init", []() { return make_ref<CmdFlakeInit>(); }},
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{"new", []() { return make_ref<CmdFlakeNew>(); }},
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@ -164,16 +164,17 @@ EOF
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# Test 'nix flake list'.
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[[ $(nix registry list | wc -l) == 7 ]]
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# Test 'nix flake info'.
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nix flake info flake1 | grep -q 'URL: .*flake1.*'
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# Test 'nix flake metadata'.
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nix flake metadata flake1
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nix flake metadata flake1 | grep -q 'Locked URL:.*flake1.*'
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# Test 'nix flake info' on a local flake.
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(cd $flake1Dir && nix flake info) | grep -q 'URL: .*flake1.*'
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(cd $flake1Dir && nix flake info .) | grep -q 'URL: .*flake1.*'
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nix flake info $flake1Dir | grep -q 'URL: .*flake1.*'
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# Test 'nix flake metadata' on a local flake.
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(cd $flake1Dir && nix flake metadata) | grep -q 'URL:.*flake1.*'
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(cd $flake1Dir && nix flake metadata .) | grep -q 'URL:.*flake1.*'
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nix flake metadata $flake1Dir | grep -q 'URL:.*flake1.*'
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# Test 'nix flake info --json'.
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json=$(nix flake info flake1 --json | jq .)
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# Test 'nix flake metadata --json'.
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json=$(nix flake metadata flake1 --json | jq .)
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[[ $(echo "$json" | jq -r .description) = 'Bla bla' ]]
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[[ -d $(echo "$json" | jq -r .path) ]]
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[[ $(echo "$json" | jq -r .lastModified) = $(git -C $flake1Dir log -n1 --format=%ct) ]]
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echo -n '# foo' >> $flake1Dir/flake.nix
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git -C $flake1Dir commit -a -m 'Foo'
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hash2=$(nix flake info flake1 --json --refresh | jq -r .revision)
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hash2=$(nix flake metadata flake1 --json --refresh | jq -r .revision)
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[[ $hash1 != $hash2 ]]
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# Test 'nix build' on a flake.
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@ -630,7 +631,7 @@ hg commit --config ui.username=foobar@example.org $flake5Dir -m 'Initial commit'
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nix build -o $TEST_ROOT/result hg+file://$flake5Dir
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[[ -e $TEST_ROOT/result/hello ]]
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(! nix flake info --json hg+file://$flake5Dir | jq -e -r .revision)
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(! nix flake metadata --json hg+file://$flake5Dir | jq -e -r .revision)
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nix eval hg+file://$flake5Dir#expr
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@ -638,13 +639,13 @@ nix eval hg+file://$flake5Dir#expr
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(! nix eval hg+file://$flake5Dir#expr --no-allow-dirty)
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(! nix flake info --json hg+file://$flake5Dir | jq -e -r .revision)
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(! nix flake metadata --json hg+file://$flake5Dir | jq -e -r .revision)
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hg commit --config ui.username=foobar@example.org $flake5Dir -m 'Add lock file'
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nix flake info --json hg+file://$flake5Dir --refresh | jq -e -r .revision
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nix flake info --json hg+file://$flake5Dir
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[[ $(nix flake info --json hg+file://$flake5Dir | jq -e -r .revCount) = 1 ]]
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nix flake metadata --json hg+file://$flake5Dir --refresh | jq -e -r .revision
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nix flake metadata --json hg+file://$flake5Dir
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[[ $(nix flake metadata --json hg+file://$flake5Dir | jq -e -r .revCount) = 1 ]]
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nix build -o $TEST_ROOT/result hg+file://$flake5Dir --no-registries --no-allow-dirty
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@ -654,7 +655,7 @@ tar cfz $TEST_ROOT/flake.tar.gz -C $TEST_ROOT --exclude .hg flake5
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nix build -o $TEST_ROOT/result file://$TEST_ROOT/flake.tar.gz
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# Building with a tarball URL containing a SRI hash should also work.
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url=$(nix flake info --json file://$TEST_ROOT/flake.tar.gz | jq -r .url)
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url=$(nix flake metadata --json file://$TEST_ROOT/flake.tar.gz | jq -r .url)
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[[ $url =~ sha256- ]]
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nix build -o $TEST_ROOT/result $url
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@ -680,9 +681,8 @@ nix flake lock $flake3Dir
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nix flake lock $flake3Dir --update-input flake2/flake1
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[[ $(jq -r .nodes.flake1_2.locked.rev $flake3Dir/flake.lock) =~ $hash2 ]]
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# Test 'nix flake list-inputs'.
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[[ $(nix flake list-inputs $flake3Dir | wc -l) == 5 ]]
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nix flake list-inputs $flake3Dir --json | jq .
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# Test 'nix flake metadata --json'.
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nix flake metadata $flake3Dir --json | jq .
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# Test circular flake dependencies.
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cat > $flakeA/flake.nix <<EOF
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@ -721,4 +721,4 @@ git -C $flakeB commit -a -m 'Foo'
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[[ $(nix eval --update-input b $flakeA#foo) = 1912 ]]
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# Test list-inputs with circular dependencies
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nix flake list-inputs $flakeA
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nix flake metadata $flakeA
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