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home-manager/modules/lib/zsh.nix
Marcial Gaißert 62eb7ebeba
lib.zsh: add module
Added utilities to generate export statements and definitions for zsh scripts.

Currently, there is only lib.shell which generates export statements in bash
syntax. However, this does not allow to generate export statements for zsh
arrays (syntax: NAME=(elem1 elem2 ...) ), which would be the natural
representation of lists in the nix language.
2019-01-11 10:26:12 +01:00

28 lines
1.1 KiB
Nix

{ lib }:
rec {
# Produces a Zsh shell like value
toZshValue = v: if builtins.isBool v then
if v then "true" else "false"
else if builtins.isString v then
"\"${v}\""
else if builtins.isList v then
"(${lib.concatStringsSep " " (map toZshValue v)})"
else "\"${toString v}\"";
# Produces a Zsh shell like definition statement
define = n: v: "${n}=${toZshValue v}";
# Given an attribute set containing shell variable names and their
# assignments, this function produces a string containing a definition
# statement for each set entry.
defineAll = vars: lib.concatStringsSep "\n" (lib.mapAttrsToList define vars);
# Produces a Zsh shell like export statement
export = n: v: "export ${define n v}";
# Given an attribute set containing shell variable names and their
# assignments, this function produces a string containing an export
# statement for each set entry.
exportAll = vars: lib.concatStringsSep "\n" (lib.mapAttrsToList export vars);
}