mynode/rootfs/standard/usr/bin/mynode-install-extra

#!/bin/bash
# Note: This app will install things as the current user

set -e

source /usr/share/mynode/mynode_config.sh
source /usr/share/mynode/mynode_app_versions.sh

# Make sure we have an app argument
if [ "$#" -lt 1 ]; then
    echo "Usage: mynode-install-extra <app_name>"
    exit 1
fi
APP="$1"

# Skip for now, probably don't need to stop all servies and require reboot
# Shut down main services to save memory and CPU and stop app being reinstalled
#/usr/bin/mynode_stop_critical_services.sh


# Custom re-install steps
if [ "$APP" = "rust" ] || [ "$APP" = "cargo" ]; then
    wget https://sh.rustup.rs -O /tmp/setup_rust.sh
    /bin/bash /tmp/setup_rust.sh -y --default-toolchain none
    sync
    if [ -f $HOME/.cargo/env ]; then
        # Remove old toolchains
        source $HOME/.cargo/env
        TOOLCHAINS=$(rustup toolchain list)
        for toolchain in $TOOLCHAINS; do
            if [[ "$toolchain" == *"linux"* ]] && [[ "$toolchain" != *"${RUST_VERSION}"* ]]; then
                rustup toolchain remove $toolchain || true
            fi
        done

        # Install and use desired version
        rustup install $RUST_VERSION
        rustup default $RUST_VERSION
        rustc --version
    fi
elif [ "$APP" = "electrs" ]; then
    source $HOME/.cargo/env
    mkdir -p /home/admin/download
    cd /home/admin/download
    rm -rf electrs-*.tar.gz
    rm -rf electrs

    URL="https://github.com/romanz/electrs/archive/refs/tags/v0.9.3.tar.gz"
    if [ "$#" -eq 2 ]; then
        URL="$2"
    fi
    wget $URL -O electrs.tar.gz
    tar -xvf electrs.tar.gz
    mv electrs-* electrs

    cd electrs
    cargo +$RUST_VERSION build --release
    sudo install -g root -o root target/release/electrs /usr/bin/electrs
    cd ~
else
    echo "Dont know what to do for app: $APP"
    exit
fi

sync
echo "Install Complete!"