Updater for Nadeko for those using pm2

nadeko-update-pm2.sh

#!/bin/sh

echo ""
echo "NadekoBot pm2 Update Started. This will stop Nadeko safely in pm2, update it and restart the bot."
sleep 2

if hash git 1>/dev/null 2>&1
then
    echo ""
    echo "Git Installed."
else
    echo ""    
    echo "Git is not installed. Please install Git."
    exit 1
fi


if hash dotnet 1>/dev/null 2>&1
then
    echo ""
    echo "Dotnet installed."
else
    echo ""
    echo "Dotnet is not installed. Please install dotnet."
    exit 1
fi

root=$(pwd)
tempdir=NadekoInstall_Temp

rm -r "$tempdir" 1>/dev/null 2>&1
mkdir "$tempdir"
cd "$tempdir"

echo ""
echo "Stopping Nadeko, please wait."
sudo pm2 stop Nadeko 
sleep .5
echo ""
echo "Downloading NadekoBot, please wait."
git clone -b 1.9 --recursive --depth 1 https://github.com/Kwoth/NadekoBot.git
echo ""
echo "NadekoBot downloaded."

echo ""
echo "Downloading Nadeko dependencies"
cd "$root/$tempdir/NadekoBot"
dotnet restore
echo ""
echo "Download done"

echo ""
echo "Building NadekoBot"
dotnet build --configuration Release
echo ""
echo "Building done. Moving Nadeko"

cd "$root"

if [ ! -d NadekoBot ]
then
    mv "$tempdir"/NadekoBot NadekoBot
else
    rm -rf NadekoBot_old 1>/dev/null 2>&1
    mv -fT NadekoBot NadekoBot_old 1>/dev/null 2>&1
    mv "$tempdir"/NadekoBot NadekoBot
    cp -f "$root/NadekoBot_old/src/NadekoBot/credentials.json" "$root/NadekoBot/src/NadekoBot/credentials.json" 1>/dev/null 2>&1
    echo ""
    echo "credentials.json copied to the new version"
    cp -RT "$root/NadekoBot_old/src/NadekoBot/bin/" "$root/NadekoBot/src/NadekoBot/bin/" 1>/dev/null 2>&1
    cp -RT "$root/NadekoBot/src/NadekoBot/bin/Release/netcoreapp1.0/data/NadekoBot.db" "$root/NadekoBot/src/NadekoBot/bin/Release/netcoreapp2.0/data/NadekoBot.db" 1>/dev/null 2>&1
	cp -RT "$root/NadekoBot/src/NadekoBot/bin/Release/netcoreapp1.1/data/NadekoBot.db" "$root/NadekoBot/src/NadekoBot/bin/Release/netcoreapp2.0/data/NadekoBot.db" 1>/dev/null 2>&1
    mv -f "$root/NadekoBot/src/NadekoBot/bin/Release/netcoreapp1.0/data/NadekoBot.db" "$root/NadekoBot/src/NadekoBot/bin/Release/netcoreapp1.0/data/NadekoBot_old.db" 1>/dev/null 2>&1
	mv -f "$root/NadekoBot/src/NadekoBot/bin/Release/netcoreapp1.1/data/NadekoBot.db" "$root/NadekoBot/src/NadekoBot/bin/Release/netcoreapp1.1/data/NadekoBot_old.db" 1>/dev/null 2>&1
    echo ""
    echo "Database copied to the new version"
    cp -RT "$root/NadekoBot_old/src/NadekoBot/data/" "$root/NadekoBot/src/NadekoBot/data/" 1>/dev/null 2>&1
    echo ""
    echo "Other data copied to the new version"
fi

rm -r "$tempdir"
echo ""
echo "Installation Complete."

echo "Starting Nadeko back up, please wait."
echo ""
sleep 1
sudo pm2 start Nadeko
echo ""
echo "Nadeko update complete and startup finished."

exit 0

To run this:

cd ~ && wget -N https://gist.githubusercontent.com/shikhir-arora/b7a34e2caf67a8e31ea5cd4f3e0f6421/raw/2a9f9c8e29612164d830de3ca5010e85fa54dea6/nadeko-update-pm2.sh && sudo bash nadeko-update-pm2.sh