26 lines
529 B
Bash
26 lines
529 B
Bash
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#!/usr/bin/env bash
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set -o errexit
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set -o nounset
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set -o pipefail
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cd "$(dirname "$0")"
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if [[ -z "${1-}" ]] || [[ ! -e "${1}" ]]; then
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echo "Missing or non-existent loop device path."
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exit
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fi
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if [[ ! $(findmnt -M "./rootfs") ]]; then
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echo "Not mounted, aborting."
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exit
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fi
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echo "Unmounting FSes..."
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sudo umount ./rootfs/boot/
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sudo umount ./rootfs/sys/
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sudo umount ./rootfs/dev/pts
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sudo umount ./rootfs/dev/
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sudo umount ./rootfs/proc/
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sudo umount ./rootfs/
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echo "Detaching loop setup..."
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sudo losetup -d "${1}"
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