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home-manager: check output path
In particular, error out if the output path already exists.
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@ -11,6 +11,11 @@ function doBuild() {
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exit 1
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fi
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if [[ -e "$2" ]]; then
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echo "The output path $2 already exists."
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exit 1
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fi
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local confFile output
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confFile="$(realpath "$1")"
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output="$(realpath "$2")"
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