Your Name
49 lines
1.0 KiB
Bash
49 lines
1.0 KiB
Bash
#!/bin/bash -e
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DEVICE_NODE="/dev/mmcblk0"
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DEFAULT_FS_TYPE="btrfs"
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#
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# check device node exist
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#
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if [[ ! -b "${DEVICE_NODE}" ]]; then
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echo "${DEVICE_NODE} is not available"
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exit 0
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fi
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#
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# check if device mounted correctly
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#
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if ! (mount || true) | grep "${DEVICE_NODE}"> /dev/null; then
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echo "${DEVICE_NODE} is not mounted"
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else
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echo "${DEVICE_NODE} is mounted"
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exit 0
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fi
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#
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# check filesystem
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#
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FS_TYPE_CHECK="$(blkid "${DEVICE_NODE}" | sed 's/.*TYPE="\([^"]*\).*/\1/' || true)"
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if [[ "${FS_TYPE_CHECK}" = "" ]]; then
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FS_TYPE="unknown"
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else
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FS_TYPE="${FS_TYPE_CHECK}"
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fi
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case "${FS_TYPE}" in
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"${DEFAULT_FS_TYPE}")
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echo "Filesystem (${FS_TYPE}) found on ${DEVICE_NODE}"
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;;
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*)
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echo "No or unexpected filesystem (${FS_TYPE}) found on ${DEVICE_NODE}"
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if ! output=$(mkfs."${DEFAULT_FS_TYPE}" --force "${DEVICE_NODE}" 2>&1); then
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echo "failed to create ${DEFAULT_FS_TYPE} on ${DEVICE_NODE}:"
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echo "${output}"
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exit 1
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fi
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;;
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esac
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