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{ 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);
}
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