forked from lix-project/lix
Add "nix flake init" command for creating a flake
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ee1254d4f5
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@ -182,6 +182,51 @@ struct CmdFlakePin : virtual Args, StoreCommand, MixEvalArgs
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}
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};
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struct CmdFlakeInit : virtual Args, Command
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{
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std::string name() override
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{
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return "init";
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}
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std::string description() override
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{
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return "create a skeleton 'flake.nix' file in the current directory";
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}
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void run() override
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{
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Path flakeDir = absPath(".");
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if (!pathExists(flakeDir + "/.git"))
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throw Error("the directory '%s' is not a Git repository", flakeDir);
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Path flakePath = flakeDir + "/flake.nix";
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if (pathExists(flakePath))
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throw Error("file '%s' already exists", flakePath);
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writeFile(flakePath,
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R"str(
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{
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name = "hello";
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description = "A flake for building Hello World";
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epoch = 2019;
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requires = [ "nixpkgs" ];
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provides = deps: rec {
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packages.hello = deps.nixpkgs.provides.packages.hello;
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};
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}
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)str");
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}
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};
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struct CmdFlake : virtual MultiCommand, virtual Command
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{
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CmdFlake()
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@ -190,7 +235,9 @@ struct CmdFlake : virtual MultiCommand, virtual Command
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, make_ref<CmdFlakeInfo>()
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, make_ref<CmdFlakeAdd>()
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, make_ref<CmdFlakeRemove>()
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, make_ref<CmdFlakePin>()})
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, make_ref<CmdFlakePin>()
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, make_ref<CmdFlakeInit>()
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})
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{
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}
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