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/* Version string functions. */
{ lib }:
rec {
/* Break a version string into its component parts.
Example:
splitVersion "1.2.3"
=> ["1" "2" "3"]
*/
splitVersion = builtins.splitVersion or (lib.splitString ".");
/* 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));
}
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