torrust-tracker 3.0.0

A feature rich BitTorrent tracker.
Documentation 
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#!/bin/sh
set -x

to_lc() { echo "$1" | tr '[:upper:]' '[:lower:]'; }
clean() { echo "$1" | tr -d -c 'a-zA-Z0-9-' ; }
cmp_lc() { [ "$(to_lc "$(clean "$1")")" = "$(to_lc "$(clean "$2")")" ]; }


inst() {
    if [ -n "$1" ] && [ -n "$2" ] && [ -e "$1" ] && [ ! -e "$2" ]; then
        install -D -m 0640 -o torrust -g torrust "$1" "$2"; fi; }


# Add torrust user, based upon supplied user-id.
if [ -z "$USER_ID" ] && [ "$USER_ID" -lt 1000 ]; then
    echo "ERROR: USER_ID is not set, or less than 1000"
    exit 1
fi

adduser --disabled-password --shell "/bin/sh" --uid "$USER_ID" "torrust"

# Configure Permissions for Torrust Folders
mkdir -p /var/lib/torrust/tracker/database/ /etc/torrust/tracker/
chown -R "${USER_ID}":"${USER_ID}" /var/lib/torrust /var/log/torrust /etc/torrust
chmod -R 2770 /var/lib/torrust /var/log/torrust /etc/torrust


# Install the database and config:
if [ -n "$TORRUST_TRACKER_CONFIG_OVERRIDE_CORE__DATABASE__DRIVER" ]; then
    if cmp_lc "$TORRUST_TRACKER_CONFIG_OVERRIDE_CORE__DATABASE__DRIVER" "sqlite3"; then

        # Select Sqlite3 empty database
        default_database="/usr/share/torrust/default/database/tracker.sqlite3.db"

        # Select Sqlite3 default configuration
        default_config="/usr/share/torrust/default/config/tracker.container.sqlite3.toml"

    elif cmp_lc "$TORRUST_TRACKER_CONFIG_OVERRIDE_CORE__DATABASE__DRIVER" "mysql"; then

        # (no database file needed for MySQL)

        # Select default MySQL configuration
        default_config="/usr/share/torrust/default/config/tracker.container.mysql.toml"

    else 
        echo "Error: Unsupported Database Type: \"$TORRUST_TRACKER_CONFIG_OVERRIDE_CORE__DATABASE__DRIVER\"."
        echo "Please Note: Supported Database Types: \"sqlite3\", \"mysql\"."
        exit 1
    fi
else
    echo "Error: \"\$TORRUST_TRACKER_CONFIG_OVERRIDE_CORE__DATABASE__DRIVER\" was not set!"; exit 1;
fi

install_config="/etc/torrust/tracker/tracker.toml"
install_database="/var/lib/torrust/tracker/database/sqlite3.db"

inst "$default_config" "$install_config"
inst "$default_database" "$install_database"

# Make Minimal Message of the Day
if cmp_lc "$RUNTIME" "runtime"; then
    printf '\n in runtime \n' >> /etc/motd;
elif cmp_lc "$RUNTIME" "debug"; then
    printf '\n in debug mode \n' >> /etc/motd;
elif cmp_lc "$RUNTIME" "release"; then
    printf '\n in release mode \n' >> /etc/motd;
else
    echo "ERROR: running in unknown mode: \"$RUNTIME\""; exit 1
fi

if [ -e "/usr/share/torrust/container/message" ]; then
    cat "/usr/share/torrust/container/message" >> /etc/motd; chmod 0644 /etc/motd
fi

# Load message of the day from Profile
# shellcheck disable=SC2016
echo '[ ! -z "$TERM" -a -r /etc/motd ] && cat /etc/motd' >> /etc/profile

cd /home/torrust || exit 1

# Switch to torrust user
exec /bin/su-exec torrust "$@"