pyrox.dev
requireFile: Make more flexible
+17
-7
pkgs/build-support/trivial-builders.nix
+17
-7
pkgs/build-support/trivial-builders.nix
···
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(lib.concatMapStrings (x: "ln -s '${x.path}' '${x.name}';\n") entries));
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# Require file
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requireFile = {name, sha256, url ? null, message ? null} :
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requireFile = { name ? null
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, sha256 ? null
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, sha1 ? null
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, url ? null
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, message ? null
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} :
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assert (message != null) || (url != null);
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assert (sha256 != null) || (sha1 != null);
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assert (name != null) || (url != null);
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let msg =
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if message != null then message
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else ''
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Unfortunately, we may not download file ${name} automatically.
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Unfortunately, we may not download file ${name_} automatically.
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Please, go to ${url}, download it yourself, and add it to the Nix store
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using either
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nix-store --add-fixed sha256 ${name}
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nix-store --add-fixed ${hashAlgo} ${name_}
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or
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nix-prefetch-url file://path/to/${name}
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nix-prefetch-url --type ${hashAlgo} file://path/to/${name_}
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'';
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hashAlgo = if sha256 != null then "sha256" else "sha1";
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hash = if sha256 != null then sha256 else sha1;
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name_ = if name == null then baseNameOf (toString url) else name;
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in
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stdenv.mkDerivation {
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inherit name;
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outputHashAlgo = "sha256";
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outputHash = sha256;
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name = name_;
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outputHashAlgo = hashAlgo;
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outputHash = hash;
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builder = writeScript "restrict-message" ''
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source ${stdenv}/setup
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cat <<_EOF_