106 lines
2.9 KiB
Nix
106 lines
2.9 KiB
Nix
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{ homeDirectory, lib, pkgs }:
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with lib;
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let
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# Figures out a valid Nix store name for the given path.
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storeFileName = path:
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let
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# All characters that are considered safe. Note "-" is not
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# included to avoid "-" followed by digit being interpreted as a
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# version.
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safeChars =
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[ "+" "." "_" "?" "=" ]
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++ lowerChars
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++ upperChars
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++ stringToCharacters "0123456789";
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empties = l: genList (x: "") (length l);
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unsafeInName = stringToCharacters (
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replaceStrings safeChars (empties safeChars) path
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);
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safeName = replaceStrings unsafeInName (empties unsafeInName) path;
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in
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"home_file_" + safeName;
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in
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{
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# Constructs a type suitable for a `home.file` like option. The
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# target path may be either absolute or relative, in which case it
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# is relative the `basePath` argument (which itself must be an
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# absolute path).
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#
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# Arguments:
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# - basePathDesc docbook compatible description of the base path
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# - basePath the file base path
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fileType = basePathDesc: basePath: types.loaOf (types.submodule (
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{ name, config, ... }: {
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options = {
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target = mkOption {
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type = types.str;
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apply = p:
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let
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absPath = if hasPrefix "/" p then p else "${basePath}/${p}";
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in
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removePrefix (homeDirectory + "/") absPath;
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description = ''
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Path to target file relative to ${basePathDesc}.
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'';
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};
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text = mkOption {
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default = null;
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type = types.nullOr types.lines;
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description = "Text of the file.";
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};
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source = mkOption {
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type = types.path;
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description = ''
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Path of the source file. The file name must not start
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with a period since Nix will not allow such names in
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the Nix store.
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</para><para>
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This may refer to a directory.
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'';
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};
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mode = mkOption {
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type = types.nullOr types.str;
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default = null;
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description = ''
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The permissions to apply to the file.
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</para><para>
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DEPRECATED: use <varname>home.file.<name?>.executable</varname>
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instead.
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'';
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};
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executable = mkOption {
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type = types.nullOr types.bool;
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default = null;
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description = ''
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Set the execute bit. If <literal>null</literal>, defaults to the mode
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of the <varname>source</varname> file or to <literal>false</literal>
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for files created through the <varname>text</varname> option.
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'';
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};
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};
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config = {
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target = mkDefault name;
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source = mkIf (config.text != null) (
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mkDefault (pkgs.writeTextFile {
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inherit (config) executable text;
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name = storeFileName name;
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})
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);
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};
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}
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));
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}
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