diff options
Diffstat (limited to 'lib/cli.nix')
| -rw-r--r-- | lib/cli.nix | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/lib/cli.nix b/lib/cli.nix index fcffacb5ea996..311037c519a65 100644 --- a/lib/cli.nix +++ b/lib/cli.nix @@ -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 |