simplify deviceNumbering function

This commit is contained in:
Jörg Thalheim 2022-11-15 19:28:28 +01:00
parent f22e2fa834
commit 5cbe8fbb48

View File

@ -51,21 +51,14 @@ rec {
=> "/dev/disk/by-id/xxx-part2"
*/
deviceNumbering = dev: index:
let
schemas = {
dev__da = dev + toString index; # /dev/{s,v}da style
dev_disk = "${dev}-part${toString index}"; # /dev/disk/by-id/xxx style
dev_nvme = "${dev}p${toString index}"; # /dev/nvme0n1p1 style
dev_md = "${dev}p${toString index}"; # /dev/nvme0n1p1 style
};
detectSchema =
if match "/dev/[vs]d.*" dev != null then "dev__da" else
if match "/dev/disk/.*" dev != null then "dev_disk" else
if match "/dev/nvme.*" dev != null then "dev_nvme" else
if match "/dev/md/.*" dev != null then "dev_md" else
if match "/dev/mmcblk.*" dev != null then "dev_nvme" else
if match "/dev/[vs]d.*" dev != null then
dev + toString index # /dev/{s,v}da style
else if match "/dev/disk/.*" dev != null then
"${dev}-part${toString index}" # /dev/disk/by-id/xxx style
else if match "/dev/(nvme|md/|mmcblk).*" dev != null then
"${dev}p${toString index}" # /dev/nvme0n1p1 style
else
abort "${dev} seems not to be a supported disk format";
in schemas.${detectSchema};
/* A nix option type representing a json datastructure, vendored from nixpkgs to avoid dependency on pkgs */
jsonType = let