14 lines
328 B
Plaintext
14 lines
328 B
Plaintext
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#!/usr/bin/env bash
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# 2018 Luke Shumaker
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{
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set -euE
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image=$1
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src=$(realpath -ms -- "$2")
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dst=$3
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mountpoint=$(mktemp -dt -- "${0##*/}.XXXXXXXXXX")
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trap "rmdir -- ${mountpoint@Q}" EXIT
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sudo unshare --mount sh -c "mount --make-rslave / && mount ${image@Q} ${mountpoint@Q} && cp -aT -- ${mountpoint@Q}/${src@Q} ${dst@Q}"
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}
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