Create roll_back_001.sh

Author: igroman787

mytonctrl/migrations/roll_back_001.sh

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+pip3 uninstall -y mytonctrl
+
+cd /usr/src
+rm -rf mytonctrl
+git clone --recursive https://github.com/ton-blockchain/mytonctrl
+
+echo "Updating /usr/bin/mytonctrl"
+echo "/usr/bin/python3 /usr/src/mytonctrl/mytonctrl.py $@" > /usr/bin/mytonctrl
+chmod +x /usr/bin/mytonctrl
+
+echo "Updating mytoncore service"
+sed -i 's\-m mytoncore\/usr/src/mytonctrl/mytoncore.py\g' /etc/systemd/system/mytoncore.service
+systemctl daemon-reload
+systemctl restart mytoncore
+
+echo "Done"