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nixpkgs/nixos/modules/rename.nix
aszlig 127c928c23
nixos/rename: Fix merging multiple destinations.
The renaming of options define the original value for the new attribute
path. This works well if there is only *one* target, but if there are
more, we end up recursing into the attribute set of the option
definition itself.

We now check for that within the parent recursion node (we can't check
that from the subnode, because we lack that information about whether
it's defined multiple times) and if the subnode consist entirely of a
list of definitions, we use mkMerge on it.

Signed-off-by: aszlig <aszlig@redmoonstudios.org>
2015-01-22 14:08:28 +01:00

145 lines
6 KiB
Nix

{ config, lib, options, ... }:
with lib;
let
alias = from: to: rename {
inherit from to;
name = "Alias";
use = id;
define = id;
visible = true;
};
# warn option was renamed
obsolete = from: to: rename {
inherit from to;
name = "Obsolete name";
use = x: builtins.trace "Obsolete option `${showOption from}' is used. It was renamed to `${showOption to}'." x;
define = x: builtins.trace "Obsolete option `${showOption from}' is used. It was renamed to `${showOption to}'." x;
};
# abort if deprecated option is used
deprecated = from: to: rename {
inherit from to;
name = "Deprecated name";
use = x: abort "Deprecated option `${showOption from}' is used. It was renamed to `${showOption to}'.";
define = x: abort "Deprecated option `${showOption from}' is used. It was renamed to `${showOption to}'.";
};
showOption = concatStringsSep ".";
zipModules = list:
zipAttrsWith (n: v:
if tail v != [] then
if all (o: isAttrs o && o ? _type) v then mkMerge v
else if n == "_type" then head v
else if n == "warnings" then concatLists v
else if n == "description" || n == "apply" then
abort "Cannot rename an option to multiple options."
else zipModules v
else head v
) list;
rename = { from, to, name, use, define, visible ? false }:
let
setTo = setAttrByPath to;
setFrom = setAttrByPath from;
toOf = attrByPath to
(abort "Renaming error: option `${showOption to}' does not exists.");
fromOf = attrByPath from
(abort "Internal error: option `${showOption from}' should be declared.");
in
[ { options = setFrom (mkOption {
description = "${name} of <option>${showOption to}</option>.";
apply = x: use (toOf config);
inherit visible;
});
config = setTo (mkAliasAndWrapDefinitions define (fromOf options));
}
];
obsolete' = option: singleton
{ options = setAttrByPath option (mkOption {
default = null;
visible = false;
});
config.warnings = optional (getAttrFromPath option config != null)
"The option `${showOption option}' defined in your configuration no longer has any effect; please remove it.";
};
in zipModules ([]
++ obsolete [ "environment" "x11Packages" ] [ "environment" "systemPackages" ]
++ obsolete [ "environment" "enableBashCompletion" ] [ "programs" "bash" "enableCompletion" ]
++ obsolete [ "environment" "nix" ] [ "nix" "package" ]
++ obsolete [ "fonts" "enableFontConfig" ] [ "fonts" "fontconfig" "enable" ]
++ obsolete [ "fonts" "extraFonts" ] [ "fonts" "fonts" ]
++ obsolete [ "security" "extraSetuidPrograms" ] [ "security" "setuidPrograms" ]
++ obsolete [ "networking" "enableWLAN" ] [ "networking" "wireless" "enable" ]
++ obsolete [ "networking" "enableRT73Firmware" ] [ "networking" "enableRalinkFirmware" ]
# FIXME: Remove these eventually.
++ obsolete [ "boot" "systemd" "sockets" ] [ "systemd" "sockets" ]
++ obsolete [ "boot" "systemd" "targets" ] [ "systemd" "targets" ]
++ obsolete [ "boot" "systemd" "services" ] [ "systemd" "services" ]
# Old Grub-related options.
++ obsolete [ "boot" "copyKernels" ] [ "boot" "loader" "grub" "copyKernels" ]
++ obsolete [ "boot" "extraGrubEntries" ] [ "boot" "loader" "grub" "extraEntries" ]
++ obsolete [ "boot" "extraGrubEntriesBeforeNixos" ] [ "boot" "loader" "grub" "extraEntriesBeforeNixOS" ]
++ obsolete [ "boot" "grubDevice" ] [ "boot" "loader" "grub" "device" ]
++ obsolete [ "boot" "bootMount" ] [ "boot" "loader" "grub" "bootDevice" ]
++ obsolete [ "boot" "grubSplashImage" ] [ "boot" "loader" "grub" "splashImage" ]
++ obsolete [ "boot" "initrd" "extraKernelModules" ] [ "boot" "initrd" "kernelModules" ]
++ obsolete [ "boot" "extraKernelParams" ] [ "boot" "kernelParams" ]
# OpenSSH
++ obsolete [ "services" "sshd" "ports" ] [ "services" "openssh" "ports" ]
++ alias [ "services" "sshd" "enable" ] [ "services" "openssh" "enable" ]
++ obsolete [ "services" "sshd" "allowSFTP" ] [ "services" "openssh" "allowSFTP" ]
++ obsolete [ "services" "sshd" "forwardX11" ] [ "services" "openssh" "forwardX11" ]
++ obsolete [ "services" "sshd" "gatewayPorts" ] [ "services" "openssh" "gatewayPorts" ]
++ obsolete [ "services" "sshd" "permitRootLogin" ] [ "services" "openssh" "permitRootLogin" ]
++ obsolete [ "services" "xserver" "startSSHAgent" ] [ "services" "xserver" "startOpenSSHAgent" ]
++ obsolete [ "services" "xserver" "startOpenSSHAgent" ] [ "programs" "ssh" "startAgent" ]
++ obsolete [ "services" "xserver" "windowManager" "xbmc" ] [ "services" "xserver" "desktopManager" "xbmc" ]
# VirtualBox
++ obsolete [ "services" "virtualbox" "enable" ] [ "services" "virtualboxGuest" "enable" ]
# proxy
++ obsolete [ "nix" "proxy" ] [ "networking" "proxy" "default" ]
# KDE
++ deprecated [ "kde" "extraPackages" ] [ "environment" "systemPackages" ]
++ obsolete [ "environment" "kdePackages" ] [ "environment" "systemPackages" ]
# Multiple efi bootloaders now
++ obsolete [ "boot" "loader" "efi" "efibootmgr" "enable" ] [ "boot" "loader" "efi" "canTouchEfiVariables" ]
# NixOS environment changes
# !!! this hardcodes bash, could we detect from config which shell is actually used?
++ obsolete [ "environment" "promptInit" ] [ "programs" "bash" "promptInit" ]
++ obsolete [ "services" "xserver" "driSupport" ] [ "hardware" "opengl" "driSupport" ]
++ obsolete [ "services" "xserver" "driSupport32Bit" ] [ "hardware" "opengl" "driSupport32Bit" ]
++ obsolete [ "services" "xserver" "s3tcSupport" ] [ "hardware" "opengl" "s3tcSupport" ]
++ obsolete [ "hardware" "opengl" "videoDrivers" ] [ "services" "xserver" "videoDrivers" ]
++ obsolete [ "services" "mysql55" ] [ "services" "mysql" ]
# Options that are obsolete and have no replacement.
++ obsolete' [ "boot" "loader" "grub" "bootDevice" ]
++ obsolete' [ "boot" "initrd" "luks" "enable" ]
++ obsolete' [ "programs" "bash" "enable" ]
++ obsolete' [ "services" "samba" "defaultShare" ]
++ obsolete' [ "services" "syslog-ng" "serviceName" ]
++ obsolete' [ "services" "syslog-ng" "listenToJournal" ]
)