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| #! /bin/bash | ||
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| ############################################################################################################################################################################# | ||
| # The license used for this file and its contents is: BSD-3-Clause # | ||
| # # | ||
| # Copyright <2023> <Uri Herrera <uri_herrera@nxos.org>> # | ||
| # Copyright <2023> <Luis Lavaire <luis_lavaire@nxos.org>> # | ||
| # # | ||
| # Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: # | ||
| # # | ||
| # 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. # | ||
| # # | ||
| # 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer # | ||
| # in the documentation and/or other materials provided with the distribution. # | ||
| # # | ||
| # 3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products derived from this software # | ||
| # without specific prior written permission. # | ||
| # # | ||
| # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, # | ||
| # THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS # | ||
| # BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE # | ||
| # GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, # | ||
| # STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. # | ||
| ############################################################################################################################################################################# | ||
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| # -- Exit on errors. | ||
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| set -e | ||
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| # -- Set program name and version. | ||
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| TOOL_NAME="Nitrux Update System Tool" | ||
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| # -- Define the path of the nuts configuration file. | ||
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| CONFIG_FILE="/etc/nuts.conf" | ||
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| # -- Load values from configuration file. | ||
| # -- Include fix for SC1090 – ShellCheck. | ||
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| if [[ ! -f $CONFIG_FILE ]]; then | ||
| puts-error "$TOOL_NAME configuration file not found!, quitting." 2>&1 | ||
| exit 1 | ||
| else | ||
| puts-success "Success! $TOOL_NAME configuration file found, continuing..." | ||
| # shellcheck source=/dev/null | ||
| . "$CONFIG_FILE" | ||
| fi | ||
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| # ====== START ====== | ||
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| # -- Variables. | ||
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| CURRENT_DIST=$(tail /etc/os-release | grep "VERSION_CODENAME=*" | rev | cut -d '=' -f 1 | rev) | ||
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| # -- Mount the devices filesystem, then mount the ISO and the SquashFS. | ||
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| mount -t devtmpfs dev /dev | ||
| mount "$NUTS_DIR_DLS"/nitrux.iso "$NUTS_DIR_ISO" | ||
| mount "$NUTS_DIR_ISO"/casper/filesystem.squashfs "$NUTS_DIR_SQS" | ||
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| # -- Mount the devices filesystem, then mount the SquashFS. | ||
| # -- **ALWAYS** use the newest SquashFS in the directory. The user can't select which backup to restore. | ||
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| mount -t devtmpfs dev /dev | ||
| mount "$(echo "$NUTS_DIR_BAK"/nuts-backup-*.squashfs | tr ' ' '\n' | tail -n 1)" "$NUTS_DIR_SQS" | ||
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| # -- Now comes the good part; proceed with running rsync and restore the backup. | ||
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| echo "Restoring backup of ${CURRENT_DIST^n}, continuing..." | ||
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| rsync -avzh \ | ||
| --exclude /dev/ \ | ||
| --exclude /etc/shadow \ | ||
| --exclude /home/ \ | ||
| --exclude /proc/ \ | ||
| --exclude /run/ \ | ||
| --exclude /sys/ \ | ||
| --exclude /var/{cache,lib,local,lock,log,mail,opt,run,spool,tmp} \ | ||
| --progress \ | ||
| "$NUTS_DIR_SQS" / | ||
| sync | ||
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| echo "Success! Backup has been restored." | ||
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| # -- Unmount the SquashFS. | ||
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| umount "$NUTS_DIR_SQS" | ||
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| # -- Update GRUB. | ||
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| update-grub | ||
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| # -- Unmount the devices filesystem. | ||
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| umount /dev | ||
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| # -- Finalizing. | ||
| # -- Leave the Matri... I mean, the overlay. | ||
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| exit | ||
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| # ====== END ====== |
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