mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-11-18 11:40:45 +00:00
886e85f4f4
Nix 2.3 (the minimum version needed to evaluate Nixpkgs) supports these, so no need to keep them around.
65 lines
1.4 KiB
Nix
65 lines
1.4 KiB
Nix
/* Version string functions. */
|
|
{ lib }:
|
|
|
|
rec {
|
|
|
|
/* Break a version string into its component parts.
|
|
|
|
Example:
|
|
splitVersion "1.2.3"
|
|
=> ["1" "2" "3"]
|
|
*/
|
|
splitVersion = builtins.splitVersion;
|
|
|
|
/* Get the major version string from a string.
|
|
|
|
Example:
|
|
major "1.2.3"
|
|
=> "1"
|
|
*/
|
|
major = v: builtins.elemAt (splitVersion v) 0;
|
|
|
|
/* Get the minor version string from a string.
|
|
|
|
Example:
|
|
minor "1.2.3"
|
|
=> "2"
|
|
*/
|
|
minor = v: builtins.elemAt (splitVersion v) 1;
|
|
|
|
/* Get the patch version string from a string.
|
|
|
|
Example:
|
|
patch "1.2.3"
|
|
=> "3"
|
|
*/
|
|
patch = v: builtins.elemAt (splitVersion v) 2;
|
|
|
|
/* Get string of the first two parts (major and minor)
|
|
of a version string.
|
|
|
|
Example:
|
|
majorMinor "1.2.3"
|
|
=> "1.2"
|
|
*/
|
|
majorMinor = v:
|
|
builtins.concatStringsSep "."
|
|
(lib.take 2 (splitVersion v));
|
|
|
|
/* Pad a version string with zeros to match the given number of components.
|
|
|
|
Example:
|
|
pad 3 "1.2"
|
|
=> "1.2.0"
|
|
pad 3 "1.3-rc1"
|
|
=> "1.3.0-rc1"
|
|
pad 3 "1.2.3.4"
|
|
=> "1.2.3"
|
|
*/
|
|
pad = n: version: let
|
|
numericVersion = lib.head (lib.splitString "-" version);
|
|
versionSuffix = lib.removePrefix numericVersion version;
|
|
in lib.concatStringsSep "." (lib.take n (lib.splitVersion numericVersion ++ lib.genList (_: "0") n)) + versionSuffix;
|
|
|
|
}
|