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cli.nix: permit separators between args -> -a=b, --xyz=abc, etc

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This commit is contained in:
Rob Pilling 2024-05-06 12:41:46 +01:00
parent 4ed7156191
commit 9c9c3848d4
2 changed files with 31 additions and 1 deletions
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11
lib/cli.nix
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@ -90,7 +90,16 @@ rec {
mkOption ?
k: v: if v == null
then []
else [ (mkOptionName k) (lib.generators.mkValueStringDefault {} v) ]
else if optionValueSeparator == null then
[ (mkOptionName k) (lib.generators.mkValueStringDefault {} v) ]
else
[ "${mkOptionName k}${optionValueSeparator}${lib.generators.mkValueStringDefault {} v}" ],
# how to separate an option from its flag;
# by default, there is no separator, so option `-c` and value `5`
# would become ["-c" "5"].
# This is useful if the command requires equals, for example, `-c=5`.
optionValueSeparator ? null
}:
options:
let