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files: extract type of home.file into own file

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Robert Helgesson 2017-11-06 10:28:54 +01:00
parent 9627fe6be6
commit 4f842d9f1b
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2 changed files with 109 additions and 82 deletions
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86
modules/files.nix
View file

@ -9,27 +9,9 @@ let
homeDirectory = config.home.homeDirectory; homeDirectory = config.home.homeDirectory;
# Figures out a valid Nix store name for the given path. fileType = (import lib/file-type.nix {
storeFileName = path: inherit homeDirectory lib pkgs;
let }).fileType;
# All characters that are considered safe. Note "-" is not
# included to avoid "-" followed by digit being interpreted as a
# version.
safeChars =
[ "+" "." "_" "?" "=" ]
++ lowerChars
++ upperChars
++ stringToCharacters "0123456789";
empties = l: genList (x: "") (length l);
unsafeInName = stringToCharacters (
replaceStrings safeChars (empties safeChars) path
);
safeName = replaceStrings unsafeInName (empties unsafeInName) path;
in
"home_file_" + safeName;
# A symbolic link whose target path matches this pattern will be # A symbolic link whose target path matches this pattern will be
# considered part of a Home Manager generation. # considered part of a Home Manager generation.
@ -42,67 +24,7 @@ in
home.file = mkOption { home.file = mkOption {
description = "Attribute set of files to link into the user home."; description = "Attribute set of files to link into the user home.";
default = {}; default = {};
type = types.loaOf (types.submodule ( type = fileType "<envar>HOME</envar>" homeDirectory;
{ name, config, ... }: {
options = {
target = mkOption {
type = types.str;
apply = removePrefix (homeDirectory + "/");
description = ''
Path to target file relative to <envar>HOME</envar>.
'';
};
text = mkOption {
default = null;
type = types.nullOr types.lines;
description = "Text of the file.";
};
source = mkOption {
type = types.path;
description = ''
Path of the source file. The file name must not start
with a period since Nix will not allow such names in
the Nix store.
</para><para>
This may refer to a directory.
'';
};
mode = mkOption {
type = types.nullOr types.str;
default = null;
description = ''
The permissions to apply to the file.
</para><para>
DEPRECATED: use <varname>home.file.&lt;name?&gt;.executable</varname>
instead.
'';
};
executable = mkOption {
type = types.nullOr types.bool;
default = null;
description = ''
Set the execute bit. If <literal>null</literal>, defaults to the mode
of the <varname>source</varname> file or to <literal>false</literal>
for files created through the <varname>text</varname> option.
'';
};
};
config = {
target = mkDefault name;
source = mkIf (config.text != null) (
mkDefault (pkgs.writeTextFile {
inherit (config) executable text;
name = storeFileName name;
})
);
};
})
);
}; };
home-files = mkOption { home-files = mkOption {

105
modules/lib/file-type.nix Normal file
View file

@ -0,0 +1,105 @@
{ homeDirectory, lib, pkgs }:
with lib;
let
# Figures out a valid Nix store name for the given path.
storeFileName = path:
let
# All characters that are considered safe. Note "-" is not
# included to avoid "-" followed by digit being interpreted as a
# version.
safeChars =
[ "+" "." "_" "?" "=" ]
++ lowerChars
++ upperChars
++ stringToCharacters "0123456789";
empties = l: genList (x: "") (length l);
unsafeInName = stringToCharacters (
replaceStrings safeChars (empties safeChars) path
);
safeName = replaceStrings unsafeInName (empties unsafeInName) path;
in
"home_file_" + safeName;
in
{
# Constructs a type suitable for a `home.file` like option. The
# target path may be either absolute or relative, in which case it
# is relative the `basePath` argument (which itself must be an
# absolute path).
#
# Arguments:
# - basePathDesc docbook compatible description of the base path
# - basePath the file base path
fileType = basePathDesc: basePath: types.loaOf (types.submodule (
{ name, config, ... }: {
options = {
target = mkOption {
type = types.str;
apply = p:
let
absPath = if hasPrefix "/" p then p else "${basePath}/${p}";
in
removePrefix (homeDirectory + "/") absPath;
description = ''
Path to target file relative to ${basePathDesc}.
'';
};
text = mkOption {
default = null;
type = types.nullOr types.lines;
description = "Text of the file.";
};
source = mkOption {
type = types.path;
description = ''
Path of the source file. The file name must not start
with a period since Nix will not allow such names in
the Nix store.
</para><para>
This may refer to a directory.
'';
};
mode = mkOption {
type = types.nullOr types.str;
default = null;
description = ''
The permissions to apply to the file.
</para><para>
DEPRECATED: use <varname>home.file.&lt;name?&gt;.executable</varname>
instead.
'';
};
executable = mkOption {
type = types.nullOr types.bool;
default = null;
description = ''
Set the execute bit. If <literal>null</literal>, defaults to the mode
of the <varname>source</varname> file or to <literal>false</literal>
for files created through the <varname>text</varname> option.
'';
};
};
config = {
target = mkDefault name;
source = mkIf (config.text != null) (
mkDefault (pkgs.writeTextFile {
inherit (config) executable text;
name = storeFileName name;
})
);
};
}
));
}