43 lines
1.5 KiB
Nix
43 lines
1.5 KiB
Nix
{
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writeText
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, lib
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}:
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let
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inherit (lib.attrsets) mapAttrsToList;
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visit = prefix: attrset:
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let
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qprint = msg : builtins.replaceStrings
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["\n" "=" "\"" "$"] ["=0A" "=3D" "=22" "=24"] msg;
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l =
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mapAttrsToList
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(filename: attrs:
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let
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attrs' = {type = "f"; } // attrs;
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mode = if attrs ? mode then attrs.mode else
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(if attrs'.type == "d" then "0755" else "0644");
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line = "${prefix}/${filename} ${attrs'.type} ${mode} 0 0";
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in
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if attrs'.type == "f" then
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"${line} echo -n \"${qprint attrs'.file}\" |qprint -d"
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else if attrs'.type == "d" then
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(visit "${prefix}/${filename}" attrs.contents) +
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"\n" + line
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else if attrs'.type == "c" then
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with attrs'; "${line} ${major} ${minor}"
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else if attrs'.type == "b" then
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with attrs'; "${line} ${major} ${minor}"
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else if attrs'.type == "s" then
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"${line} ${attrs'.target}"
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else if attrs'.type == "l" then
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"${prefix}/${filename} l ${attrs'.target}"
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else if attrs'.type == "i" then
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"${line} ${attrs.subtype}"
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else
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line)
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attrset;
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in builtins.concatStringsSep "\n" l;
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in {
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write = filename : attrset : writeText filename (visit "" attrset);
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dir = contents: { type = "d"; inherit contents; };
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symlink = target: { type = "s"; inherit target; };
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}
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