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fetchtorrent: check JSON config usage correctly

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The arguments to `fetchtorrent` are supposed to throw an error if the
user attempts to specify JSON configuration when they're not using the
transmission backend, however a logic error means the error will never
be thrown.

Move the test to somewhere where the behaviour will actually be checked.
This commit is contained in:
Adam Dinwoodie 2025-08-09 18:31:14 +01:00
parent f632635221
commit 613a98461f
1 changed files with 4 additions and 5 deletions
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9
pkgs/build-support/fetchtorrent/default.nix
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@ -18,11 +18,7 @@ in
"bittorrent"
else
"bittorrent-" + builtins.head (builtins.match urlRegexp url),
config ?
if (backend == "transmission") then
{ }
else
throw "json config for configuring fetchFromBitorrent only works with the transmission backend",
config ? { },
hash,
backend ? "transmission",
recursiveHash ? true,
@ -44,6 +40,9 @@ let
'';
jsonConfig = (formats.json { }).generate "jsonConfig" config;
in
assert lib.assertMsg (config != { } -> backend == "transmission") ''
json config for configuring fetchtorrent only works with the transmission backend
'';
runCommand name
{
inherit meta;