37 lines
1.2 KiB
Nix
37 lines
1.2 KiB
Nix
# Collection of common functions.
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{ lib }:
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{
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# Remove tabs indentation,
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trimTabs =
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text:
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let
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shouldStripTab = lines: builtins.all (line: (line == "") || (lib.strings.hasPrefix " " line)) lines;
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stripTab = lines: builtins.map (line: lib.strings.removePrefix " " line) lines;
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stripTabs = lines: if (shouldStripTab lines) then (stripTabs (stripTab lines)) else lines;
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in
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builtins.concatStringsSep "\n" (stripTabs (lib.strings.splitString "\n" text));
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# List all files in a dir.
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ls = path: map (f: "${path}/${f}") (builtins.attrNames (builtins.readDir path));
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# Concat all files by `text` key.
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catText = files: args: builtins.foldl' (acc: mod: acc + (import mod args).text) "" files;
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# Concat all file paths by `file` key.
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catFile =
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files: args: builtins.foldl' (acc: mod: acc + (builtins.readFile (import mod args).file)) "" files;
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# Concat all files as a set.
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catSet = files: args: lib.mkMerge (map (file: import file args) files);
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# Systemd service that does not restart with system switch.
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mkStaticSystemdService =
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params:
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params
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// {
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restartIfChanged = false;
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stopIfChanged = false;
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unitConfig.X-StopOnRemoval = false;
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};
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}
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