84 lines
2.4 KiB
Bash
84 lines
2.4 KiB
Bash
#!/usr/bin/env bash
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#
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# Utility ccript to repurpose a removable device using exfat filesystem
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.#
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#
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# @linux-aarhus - root.nix.dk
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#
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# format removable USB device to exfat with name 'USB STICK'
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LABEL='USB STICK'
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SCRIPTNAME=$(basename "$0")
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VERSION="0.2"
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# don't run as root
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if [[ $(whoami) == "root" ]] ; then
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echo "Please run as user. Script will ask for root later."
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exit 1
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fi
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# ensure a device is given
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if [[ -z "$1" ]]; then
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echo "No device specified ..."
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echo "Usage: ${SCRIPTNAME} /dev/sdy"
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exit
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fi
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# get the last part of device path
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device="$(echo $1 | cut -d'/' -f3)"
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echo "Checking device on => $device"
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# create list of available devices
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devices="$(lsblk -o NAME | egrep '^sd')"
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# check if device is valid - abort if not
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if ! [[ $devices =~ (^|[[:space:]])$device($|[[:space:]]) ]]; then
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echo "$1 not found"
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echo "Aborting"
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exit 1
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fi
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# check if device is removable - abort if not
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[[ $(echo $(lsblk -no RM "$1" | head -n 1)) = '0' ]] && \
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echo "Non removable device detected!" && \
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echo "Aborting" && \
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exit 1
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# Ask for confirmation
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read -r -p "Confirm reformat of '$1' [y/N] " resp
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if [[ "$resp" =~ ^([yY][eE][sS]|[yY])$ ]]; then
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# Repeat confirmation question
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read -r -p "Irrevocably format '$1' [y/N] " resp2
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if [[ "$resp2" =~ ^([yY][eE][sS]|[yY])$ ]]; then
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# will do
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echo "Formatting $1 ..."
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# use gdisk to create new partition table
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# and a single Microsoft basic data partition type
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printf 'o\ny\nn\n\n\n\n0700\nw\ny\n' | sudo gdisk "$1" > /dev/null
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sudo mkexfatfs -n "${LABEL}" "$1"1 > /dev/null
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# done
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echo "Done"
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exit
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fi
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echo "Formatting aborted"
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else
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echo "Formatting aborted"
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fi
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