Daily backup script

backup.sh

#!/bin/zsh
SHELL=/bin/zsh
PATH=/sbin:/bin:/usr/sbin:/usr/bin

set -ex

# Replacing daily python script with this one since the tarfile cant use zst correctly yet. 

echo "Execution time:" $(date +%Y%m%d/%H:%M:%S)
echo "-----------------------------"

date=$(date +"%Y%m%d")  

########################################
########       Daily stuff      ########
########################################

src="<path>"
dest="<path>"
myfile="$date--daily"

function compress-daily(){
    if [ -e $dest/"$myfile".tar.zst.gpg ];
    then 
        echo ""$myfile".gpg already exists."
        echo "-----------------------------"        
    else
        tar -cp -X $src/daily-exclude -T $src/daily-source > $dest/"$myfile".tar
        echo "Tar file ready - "$myfile".tar"
        zstd -c -T0 -15 $dest/"$myfile".tar -o $dest/"$myfile".tar.zst && mv $dest/"$myfile".tar /var/tmp
        echo "Zstandard compression applied, tar file removed."
        gpg2 -es -r akshay $dest/"$myfile".tar.zst && mv $dest/"$myfile".tar.zst /var/tmp
        echo "Archive encrypted, daily backup done."
        echo "-----------------------------"        
    fi
}
compress-daily


########################################
########        Firefox       ##########
########################################

src="<path>h"
dest="<path>"
myfile="$date--firefox-profile"

function compress-firefox(){
    if [ -e $dest/"$myfile".tar.zst.gpg ];
    then 
        echo ""$myfile".gpg already exists."
        echo "-----------------------------"        
    else
        cp -r -p <path> <path>
        tar -cp -X $src/firefox-exclude /home/akya/mozilla > $dest/"$myfile".tar
        rm -r /home/akya/mozilla
        echo "Tar file ready - "$myfile".tar"
        zstd -c -T0 --ultra -20 $dest/"$myfile".tar -o $dest/"$myfile".tar.zst && mv $dest/"$myfile".tar /var/tmp
        echo "Zstandard compression applied, tar file removed."
        gpg2 -es -r akshay $dest/"$myfile".tar.zst && mv $dest/"$myfile".tar.zst /var/tmp
        echo "Archive encrypted, firefox profile backed up."
        echo "-----------------------------"        
    fi
}
compress-firefox

########################################
#########      Keepass DB      #########
########################################

src="<path>"
dest="<path>"
myfile="$date--root.kdbx"

function keepass-database(){
    if [ -e $dest/"$myfile".gpg ];
    then
        echo ""$myfile".gpg already exists."
        echo "-----------------------------"        
    else
        gpg2 -es -r akshay -o $dest/"$myfile".gpg $src/root.kdbx 
        echo "root.kdbx backed up in mega."
        echo "-----------------------------"        
    fi
}
keepass-database

########################################
#########    Keepass Cleanup     #######
########################################

# Keep latest 30 files in Mega keepass sync folder
cd <path>
ls -tp | grep -v '/$' | tail -n +31 | xargs -d '\n' -r rm --
echo "Older keepass backups removed."
echo "-----------------------------"

########################################
##########    Important stuff   ########
########################################

cd <path>
src="<path>"
dest="<path>"
myfile="$date--important"


function important-stuff(){
    if [ -d ./code ] && [ -d ./notes ];
    then   
        echo "Directories exist, they will be removed." 
        rm -r <path> <path> <path> <path> 
        echo "-----------------------------"
    else
        echo "Directories do not exist. They will be created."
        echo "-----------------------------"        
    fi
}
important-stuff

cp -r -p <path> <path>
cp -r -p <path> <path>
cp -r -p <path> <path>
cp -r -p <path> <path>
cp -p <path> <path>
cp -p <path> <path>
cp -p <path> <path>

function compress-important(){
    if [ -e $dest/"$myfile".tar.zst.gpg ];
    then 
        echo ""$myfile".gpg already exists."
        echo "-----------------------------"
    else
        tar -cp <path> > $dest/"$myfile".tar
        echo "Tar file ready - "$myfile".tar"
        zstd -c -T0 -15 $dest/"$myfile".tar -o $dest/"$myfile".tar.zst && mv $dest/"$myfile".tar /var/tmp
        echo "Zstandard compression applied, tar file removed."
        gpg2 -es -r akshay $dest/"$myfile".tar.zst && mv $dest/"$myfile".tar.zst /var/tmp
        echo "Archive encrypted, important stuff backed up."
        echo "-----------------------------"        
    fi
}
compress-important



########################################
########       Mega backup        ######
########################################
src="<path>"
dest="<path>"

# Removing older backups from Mega sync folder

cd $dest
ls -tp | grep -v '/$' | xargs -d '\n' -r rm --
echo "Removed old backups from Mega sync folder"
echo "-----------------------------"

cd $src
# Removing older backups from backup-daily on External HDD
ls -tp | grep -v '/$' | tail -n +22 | xargs -d '\n' -r rm --
echo "Removed old backups from backup-daily on External HDD, Kept latest 21 (3 each for 1 week)"
echo "-----------------------------"

# Copying latest backups to Mega sync folder
ls -tpr | grep -v '/$' | tail -n -3 | xargs -d '\n' -r cp -t "$dest"
echo "Copied all latest backups (3 for current day) to mega sync."
echo "-----------------------------"