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https://github.com/jarun/nnn.git
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71 lines
2.2 KiB
Bash
Executable file
71 lines
2.2 KiB
Bash
Executable file
#!/usr/bin/env sh
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# Description: Toggle mount status of a device using pmount
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# If the device is not mounted, it will be mounted.
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# If the device is mounted, it will be unmounted and powered down.
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#
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# Dependencies: lsblk, pmount (optional), udisks2
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#
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# Usage: Runs `lsblk` on 'l', exits on 'Return`.
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#
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# Notes:
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# - The script uses Linux-specific lsblk to list block devices. Alternatives:
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# macOS: "diskutil list"
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# BSD: "geom disk list"
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# - The script uses udisksctl (from udisks2) to power down devices. This is also Linux-specific.
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# Users on non-Linux platforms can comment it and use an alternative to power-down disks.
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#
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# Shell: POSIX compliant
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# Author: Arun Prakash Jana
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prompt="device name [e.g. sdXn] ('l'ist, 'q'uit): "
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lsblk
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printf "\nEnsure you aren't still in the mounted device.\n"
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printf "%s" "$prompt"
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read -r dev
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while [ -n "$dev" ]; do
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if [ "$dev" = "l" ]; then
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lsblk
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elif [ "$dev" = "q" ]; then
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exit
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else
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if grep -qs "$dev " /proc/mounts; then
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sync "$(lsblk -n "/dev/$dev" -o MOUNTPOINT | sed "/^$/d")"
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if type pumount >/dev/null 2>&1; then
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pumount "/dev/$dev"
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exit_code="$?"
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else
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udisksctl unmount -b "/dev/$dev" --no-user-interaction
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exit_code="$?"
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fi
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if [ $exit_code -eq 0 ]; then
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echo "/dev/$dev unmounted."
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if udisksctl power-off -b "/dev/$dev" --no-user-interaction; then
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echo "/dev/$dev ejected."
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fi
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fi
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elif [ -b "/dev/$dev" ]; then
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if type pmount >/dev/null 2>&1; then
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pmount "/dev/$dev"
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exit_code="$?"
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else
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udisksctl mount -b "/dev/$dev" --no-user-interaction
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exit_code="$?"
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fi
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if [ $exit_code -eq 0 ]; then
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sleep 1
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echo "/dev/$dev mounted to $(lsblk -n "/dev/$dev" -o MOUNTPOINT | sed "/^$/d")."
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fi
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else
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echo "/dev/$dev does not exist or is not a block device."
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fi
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fi
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echo
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printf "%s" "$prompt"
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read -r dev
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done
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