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Merge pull request #33898 from oxij/nixos/related-packages-v5

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nixos: doc: implement related packages in the manual (again)
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Graham Christensen 2018-02-09 20:36:27 -05:00 committed by GitHub
commit 5aabf0fc34
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13 changed files with 165 additions and 29 deletions
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7
lib/default.nix
View File

@ -56,7 +56,8 @@ let
replaceStrings seq stringLength sub substring tail;
inherit (trivial) id const concat or and boolToString mergeAttrs
flip mapNullable inNixShell min max importJSON warn info
nixpkgsVersion mod functionArgs setFunctionArgs isFunction;
nixpkgsVersion mod compare splitByAndCompare
functionArgs setFunctionArgs isFunction;
inherit (fixedPoints) fix fix' extends composeExtensions
makeExtensible makeExtensibleWithCustomName;
@ -71,8 +72,8 @@ let
inherit (lists) singleton foldr fold foldl foldl' imap0 imap1
concatMap flatten remove findSingle findFirst any all count
optional optionals toList range partition zipListsWith zipLists
reverseList listDfs toposort sort take drop sublist last init
crossLists unique intersectLists subtractLists
reverseList listDfs toposort sort compareLists take drop sublist
last init crossLists unique intersectLists subtractLists
mutuallyExclusive;
inherit (strings) concatStrings concatMapStrings concatImapStrings
intersperse concatStringsSep concatMapStringsSep

24
lib/lists.nix
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@ -385,6 +385,30 @@ rec {
if len < 2 then list
else (sort strictLess pivot.left) ++ [ first ] ++ (sort strictLess pivot.right));
/* Compare two lists element-by-element.
Example:
compareLists compare [] []
=> 0
compareLists compare [] [ "a" ]
=> -1
compareLists compare [ "a" ] []
=> 1
compareLists compare [ "a" "b" ] [ "a" "c" ]
=> 1
*/
compareLists = cmp: a: b:
if a == []
then if b == []
then 0
else -1
else if b == []
then 1
else let rel = cmp (head a) (head b); in
if rel == 0
then compareLists cmp (tail a) (tail b)
else rel;
/* Return the first (at most) N elements of a list.
Example:

9
lib/options.nix
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@ -14,6 +14,7 @@ rec {
, defaultText ? null # Textual representation of the default, for in the manual.
, example ? null # Example value used in the manual.
, description ? null # String describing the option.
, relatedPackages ? null # Related packages used in the manual (see `genRelatedPackages` in ../nixos/doc/manual/default.nix).
, type ? null # Option type, providing type-checking and value merging.
, apply ? null # Function that converts the option value to something else.
, internal ? null # Whether the option is for NixOS developers only.
@ -76,7 +77,6 @@ rec {
getValues = map (x: x.value);
getFiles = map (x: x.file);
# Generate documentation template from the list of option declaration like
# the set generated with filterOptionSets.
optionAttrSetToDocList = optionAttrSetToDocList' [];
@ -93,9 +93,10 @@ rec {
readOnly = opt.readOnly or false;
type = opt.type.description or null;
}
// (if opt ? example then { example = scrubOptionValue opt.example; } else {})
// (if opt ? default then { default = scrubOptionValue opt.default; } else {})
// (if opt ? defaultText then { default = opt.defaultText; } else {});
// optionalAttrs (opt ? example) { example = scrubOptionValue opt.example; }
// optionalAttrs (opt ? default) { default = scrubOptionValue opt.default; }
// optionalAttrs (opt ? defaultText) { default = opt.defaultText; }
// optionalAttrs (opt ? relatedPackages && opt.relatedPackages != null) { inherit (opt) relatedPackages; };
subOptions =
let ss = opt.type.getSubOptions opt.loc;

36
lib/trivial.nix
View File

@ -81,6 +81,42 @@ rec {
*/
mod = base: int: base - (int * (builtins.div base int));
/* C-style comparisons
a < b, compare a b => -1
a == b, compare a b => 0
a > b, compare a b => 1
*/
compare = a: b:
if a < b
then -1
else if a > b
then 1
else 0;
/* Split type into two subtypes by predicate `p`, take all elements
of the first subtype to be less than all the elements of the
second subtype, compare elements of a single subtype with `yes`
and `no` respectively.
Example:
let cmp = splitByAndCompare (hasPrefix "foo") compare compare; in
cmp "a" "z" => -1
cmp "fooa" "fooz" => -1
cmp "f" "a" => 1
cmp "fooa" "a" => -1
# while
compare "fooa" "a" => 1
*/
splitByAndCompare = p: yes: no: a: b:
if p a
then if p b then yes a b else -1
else if p b then 1 else no a b;
/* Reads a JSON file. */
importJSON = path:
builtins.fromJSON (builtins.readFile path);

56
nixos/doc/manual/default.nix
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@ -6,7 +6,7 @@ let
lib = pkgs.lib;
# Remove invisible and internal options.
optionsList = lib.filter (opt: opt.visible && !opt.internal) (lib.optionAttrSetToDocList options);
optionsListVisible = lib.filter (opt: opt.visible && !opt.internal) (lib.optionAttrSetToDocList options);
# Replace functions by the string <function>
substFunction = x:
@ -15,13 +15,43 @@ let
else if lib.isFunction x then "<function>"
else x;
# Clean up declaration sites to not refer to the NixOS source tree.
optionsList' = lib.flip map optionsList (opt: opt // {
# Generate DocBook documentation for a list of packages. This is
# what `relatedPackages` option of `mkOption` from
# ../../../lib/options.nix influences.
#
# Each element of `relatedPackages` can be either
# - a string: that will be interpreted as an attribute name from `pkgs`,
# - a list: that will be interpreted as an attribute path from `pkgs`,
# - an attrset: that can specify `name`, `path`, `package`, `comment`
# (either of `name`, `path` is required, the rest are optional).
genRelatedPackages = packages:
let
unpack = p: if lib.isString p then { name = p; }
else if lib.isList p then { path = p; }
else p;
describe = args:
let
name = args.name or (lib.concatStringsSep "." args.path);
path = args.path or [ args.name ];
package = args.package or (lib.attrByPath path (throw "Invalid package attribute path `${toString path}'") pkgs);
in "<listitem>"
+ "<para><literal>pkgs.${name} (${package.meta.name})</literal>"
+ lib.optionalString (!package.meta.evaluates) " <emphasis>[UNAVAILABLE]</emphasis>"
+ ": ${package.meta.description or "???"}.</para>"
+ lib.optionalString (args ? comment) "\n<para>${args.comment}</para>"
# Lots of `longDescription's break DocBook, so we just wrap them into <programlisting>
+ lib.optionalString (package.meta ? longDescription) "\n<programlisting>${package.meta.longDescription}</programlisting>"
+ "</listitem>";
in "<itemizedlist>${lib.concatStringsSep "\n" (map (p: describe (unpack p)) packages)}</itemizedlist>";
optionsListDesc = lib.flip map optionsListVisible (opt: opt // {
# Clean up declaration sites to not refer to the NixOS source tree.
declarations = map stripAnyPrefixes opt.declarations;
}
// lib.optionalAttrs (opt ? example) { example = substFunction opt.example; }
// lib.optionalAttrs (opt ? default) { default = substFunction opt.default; }
// lib.optionalAttrs (opt ? type) { type = substFunction opt.type; });
// lib.optionalAttrs (opt ? type) { type = substFunction opt.type; }
// lib.optionalAttrs (opt ? relatedPackages) { relatedPackages = genRelatedPackages opt.relatedPackages; });
# We need to strip references to /nix/store/* from options,
# including any `extraSources` if some modules came from elsewhere,
@ -32,8 +62,22 @@ let
prefixesToStrip = map (p: "${toString p}/") ([ ../../.. ] ++ extraSources);
stripAnyPrefixes = lib.flip (lib.fold lib.removePrefix) prefixesToStrip;
# Custom "less" that pushes up all the things ending in ".enable*"
# and ".package"
optionListLess = a: b:
let
splt = lib.splitString ".";
ise = lib.hasPrefix "enable";
isp = lib.hasPrefix "package";
cmp = lib.splitByAndCompare ise lib.compare
(lib.splitByAndCompare isp lib.compare lib.compare);
in lib.compareLists cmp (splt a) (splt b) < 0;
# Customly sort option list for the man page.
optionsList = lib.sort (a: b: optionListLess a.name b.name) optionsListDesc;
# Convert the list of options into an XML file.
optionsXML = builtins.toFile "options.xml" (builtins.toXML optionsList');
optionsXML = builtins.toFile "options.xml" (builtins.toXML optionsList);
optionsDocBook = runCommand "options-db.xml" {} ''
optionsXML=${optionsXML}
@ -191,7 +235,7 @@ in rec {
mkdir -p $dst
cp ${builtins.toFile "options.json" (builtins.unsafeDiscardStringContext (builtins.toJSON
(builtins.listToAttrs (map (o: { name = o.name; value = removeAttrs o ["name" "visible" "internal"]; }) optionsList'))))
(builtins.listToAttrs (map (o: { name = o.name; value = removeAttrs o ["name" "visible" "internal"]; }) optionsList))))
} $dst/options.json
mkdir -p $out/nix-support

9
nixos/doc/manual/options-to-docbook.xsl
View File

@ -70,6 +70,15 @@
</para>
</xsl:if>
<xsl:if test="attr[@name = 'relatedPackages']">
<para>
<emphasis>Related packages:</emphasis>
<xsl:text> </xsl:text>
<xsl:value-of disable-output-escaping="yes"
select="attr[@name = 'relatedPackages']/string/@value" />
</para>
</xsl:if>
<xsl:if test="count(attr[@name = 'declarations']/list/*) != 0">
<para>
<emphasis>Declared by:</emphasis>

1
nixos/modules/programs/adb.nix
View File

@ -16,6 +16,7 @@ with lib;
To grant access to a user, it must be part of adbusers group:
<code>users.extraUsers.alice.extraGroups = ["adbusers"];</code>
'';
relatedPackages = [ ["androidenv" "platformTools"] ];
};
};
};

7
nixos/modules/programs/tmux.nix
View File

@ -61,7 +61,12 @@ in {
options = {
programs.tmux = {
enable = mkEnableOption "<command>tmux</command> - a <command>screen</command> replacement.";
enable = mkOption {
type = types.bool;
default = false;
description = "Whenever to configure <command>tmux</command> system-wide.";
relatedPackages = [ "tmux" ];
};
aggressiveResize = mkOption {
default = false;

4
nixos/modules/rename.nix
View File

@ -210,6 +210,7 @@ with lib;
"Set the option `services.xserver.displayManager.sddm.package' instead.")
(mkRemovedOptionModule [ "fonts" "fontconfig" "forceAutohint" ] "")
(mkRemovedOptionModule [ "fonts" "fontconfig" "renderMonoTTFAsBitmap" ] "")
(mkRemovedOptionModule [ "virtualisation" "xen" "qemu" ] "You don't need this option anymore, it will work without it.")
# ZSH
(mkRenamedOptionModule [ "programs" "zsh" "enableSyntaxHighlighting" ] [ "programs" "zsh" "syntaxHighlighting" "enable" ])
@ -220,5 +221,8 @@ with lib;
(mkRenamedOptionModule [ "programs" "zsh" "oh-my-zsh" "theme" ] [ "programs" "zsh" "ohMyZsh" "theme" ])
(mkRenamedOptionModule [ "programs" "zsh" "oh-my-zsh" "custom" ] [ "programs" "zsh" "ohMyZsh" "custom" ])
(mkRenamedOptionModule [ "programs" "zsh" "oh-my-zsh" "plugins" ] [ "programs" "zsh" "ohMyZsh" "plugins" ])
# Xen
(mkRenamedOptionModule [ "virtualisation" "xen" "qemu-package" ] [ "virtualisation" "xen" "package-qemu" ])
];
}

25
nixos/modules/virtualisation/xen-dom0.nix
View File

@ -35,24 +35,19 @@ in
description = ''
The package used for Xen binary.
'';
relatedPackages = [ "xen" "xen-light" ];
};
virtualisation.xen.qemu = mkOption {
type = types.path;
defaultText = "\${pkgs.xen}/lib/xen/bin/qemu-system-i386";
example = literalExample "''${pkgs.qemu_xen-light}/bin/qemu-system-i386";
description = ''
The qemu binary to use for Dom-0 backend.
'';
};
virtualisation.xen.qemu-package = mkOption {
virtualisation.xen.package-qemu = mkOption {
type = types.package;
defaultText = "pkgs.xen";
example = literalExample "pkgs.qemu_xen-light";
description = ''
The package with qemu binaries for xendomains.
The package with qemu binaries for dom0 qemu and xendomains.
'';
relatedPackages = [ "xen"
{ name = "qemu_xen-light"; comment = "For use with pkgs.xen-light."; }
];
};
virtualisation.xen.bootParams =
@ -158,8 +153,7 @@ in
} ];
virtualisation.xen.package = mkDefault pkgs.xen;
virtualisation.xen.qemu = mkDefault "${pkgs.xen}/lib/xen/bin/qemu-system-i386";
virtualisation.xen.qemu-package = mkDefault pkgs.xen;
virtualisation.xen.package-qemu = mkDefault pkgs.xen;
virtualisation.xen.stored = mkDefault "${cfg.package}/bin/oxenstored";
environment.systemPackages = [ cfg.package ];
@ -339,7 +333,8 @@ in
after = [ "xen-console.service" ];
requires = [ "xen-store.service" ];
serviceConfig.ExecStart = ''
${cfg.qemu} -xen-attach -xen-domid 0 -name dom0 -M xenpv \
${cfg.package-qemu}/${cfg.package-qemu.qemu-system-i386} \
-xen-attach -xen-domid 0 -name dom0 -M xenpv \
-nographic -monitor /dev/null -serial /dev/null -parallel /dev/null
'';
};
@ -448,7 +443,7 @@ in
before = [ "dhcpd.service" ];
restartIfChanged = false;
serviceConfig.RemainAfterExit = "yes";
path = [ cfg.package cfg.qemu-package ];
path = [ cfg.package cfg.package-qemu ];
environment.XENDOM_CONFIG = "${cfg.package}/etc/sysconfig/xendomains";
preStart = "mkdir -p /var/lock/subsys -m 755";
serviceConfig.ExecStart = "${cfg.package}/etc/init.d/xendomains start";

4
pkgs/applications/virtualization/qemu/default.nix
View File

@ -101,6 +101,10 @@ stdenv.mkDerivation rec {
else if stdenv.isAarch64 then ''makeWrapper $out/bin/qemu-system-aarch64 $out/bin/qemu-kvm --add-flags "\$([ -e /dev/kvm ] && echo -enable-kvm)"''
else "";
passthru = {
qemu-system-i386 = "bin/qemu-system-i386";
};
meta = with stdenv.lib; {
homepage = http://www.qemu.org/;
description = "A generic and open source machine emulator and virtualizer";

6
pkgs/applications/virtualization/xen/4.5.nix
View File

@ -248,4 +248,10 @@ callPackage (import ./generic.nix (rec {
-i tools/libxl/libxl_device.c
'';
passthru = {
qemu-system-i386 = if withInternalQemu
then "lib/xen/bin/qemu-system-i386"
else throw "this xen has no qemu builtin";
};
})) ({ ocamlPackages = ocamlPackages_4_02; } // args)

6
pkgs/applications/virtualization/xen/4.8.nix
View File

@ -176,4 +176,10 @@ callPackage (import ./generic.nix (rec {
-i tools/libxl/libxl_device.c
'';
passthru = {
qemu-system-i386 = if withInternalQemu
then "lib/xen/bin/qemu-system-i386"
else throw "this xen has no qemu builtin";
};
})) args