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About env var evaluation (documentation) #336
Description
It may be obvious to some but, due the way evaluation works, you need to escape characters such as & in double quotes, otherwise evaluation fails silently and the variable doesn't get set.
For instance, this works:
devshells.default.env = [
{
name = "MY_VAR";
eval = "\"foo & bar\""; # Wrap in quotes to ensure it's passed correctly
}
];
But this doesn't:
devshells.default.env = [
{
name = "MY_VAR";
eval = "foo & bar"; # Shell builds and loads but MY_VAR won't be shown in the export list, in addition to not being set
}
];
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