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27 lines
598 B
Nix
27 lines
598 B
Nix
{
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writeShellApplication,
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which,
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lib,
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}: let
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# Use this to not pollute the PATH inside
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# Otherwise nix-which which will be an edge case
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whichExe = "${lib.getExe which}";
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in
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writeShellApplication {
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name = "nix-which";
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text = ''
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if [ "$#" -ne 1 ]; then
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echo "Must provide exactly one argument, the package to be dereferenced"
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exit 1
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fi
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target="$1"
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target="$(${whichExe} "$target")"
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echo "==> $target"
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while [ -L "$target" ]; do
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target="$(readlink "$target")"
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echo "==> $target"
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done
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'';
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}
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