34 lines
722 B
Nix
34 lines
722 B
Nix
final: prev: {
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ensureZfsMounts = prev.writeShellApplication {
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name = "zfsEnsureMounted";
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runtimeInputs = with prev; [
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zfs
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gawk
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coreutils
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];
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text = ''
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#!/bin/sh
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if [[ "$#" -eq "0" ]]; then
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echo "no arguments passed"
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exit 1
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fi
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MOUNTED=$(zfs list -o mountpoint,mounted -H | awk '$NF == "yes" {$NF=""; print $0}' | sed 's/[[:space:]]*$//')
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MISSING=""
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for target in "$@"; do
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if ! echo "$MOUNTED" | grep -Fxq "$target"; then
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MISSING="$MISSING $target"
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fi
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done
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if [[ -n "$MISSING" ]]; then
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echo "FAILURE, missing:$MISSING" 1>&2
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exit 1
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fi
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'';
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};
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}
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