Rollback GoToSocial to the prior version

rollback_gts.sh

#!/usr/bin/env bash

# --- Configuration ---
INSTALL_DIR="/gotosocial"
BACKUP_DIR="$INSTALL_DIR/backups"
GTS_DB_PATH="/var/lib/gotosocial/gts.db"

# Ensure script is run as root
if [[ "$EUID" -ne 0 ]]; then
    echo -e "\e[31m[ERROR]\e[0m Please run this script as root or using sudo."
    exit 1
fi

# Move into the installation directory
cd "$INSTALL_DIR" || exit 1

echo "--- GoToSocial Rollback Utility ---"

# 1. Find the newest asset backup
# ls -1t lists files sorted by time (newest first). head -n 1 grabs the top result.
LATEST_ASSET_BACKUP=$(ls -1t "$BACKUP_DIR"/gts_assets_*.tar.gz 2>/dev/null | head -n 1)

if [[ -z "$LATEST_ASSET_BACKUP" ]]; then
    echo -e "\e[31m[ERROR]\e[0m No asset backups found in $BACKUP_DIR."
    exit 1
fi

# 2. Extract the timestamp from the filename to find the matching DB backup
# This strips away the directory path and 'gts_assets_' prefix, leaving just the timestamp
BASENAME=$(basename "$LATEST_ASSET_BACKUP")
TIMESTAMP=${BASENAME#gts_assets_}
TIMESTAMP=${TIMESTAMP%.tar.gz}

LATEST_DB_BACKUP="$BACKUP_DIR/gts.db_$TIMESTAMP.db"

if [[ ! -f "$LATEST_DB_BACKUP" ]]; then
    echo -e "\e[31m[ERROR]\e[0m Matching database backup not found for timestamp: $TIMESTAMP"
    echo -e "Expected to find: $LATEST_DB_BACKUP"
    exit 1
fi

echo -e "Found the most recent backup set ($TIMESTAMP):"
echo -e "  Assets: \e[36m$LATEST_ASSET_BACKUP\e[0m"
echo -e "  DB:     \e[36m$LATEST_DB_BACKUP\e[0m"

# --- Argument Parsing for Safety ---
if [[ "$1" != "--approved" ]]; then
    echo -e "\n\e[1m*** ROLLBACK PLAN: DRY RUN MODE ***\e[0m"
    echo -e "Run with \e[32m--approved\e[0m to execute this rollback and overwrite current files.\n"
    exit 0
fi

# --- Execution Steps ---
echo -e "\n\e[32m[EXECUTING]\e[0m Stopping GoToSocial service..."
systemctl stop gotosocial

echo -e "\e[32m[EXECUTING]\e[0m Restoring Database..."
# Since the service is stopped, a standard 'cp' is safe to use for SQLite restoration
cp "$LATEST_DB_BACKUP" "$GTS_DB_PATH"
# Ensure the gotosocial user still owns the restored database file
chown gotosocial:gotosocial "$GTS_DB_PATH" 

echo -e "\e[32m[EXECUTING]\e[0m Restoring web assets and binary..."
tar -xzf "$LATEST_ASSET_BACKUP"

echo -e "\e[32m[EXECUTING]\e[0m Fixing permissions..."
chown root:root gotosocial
chmod +x gotosocial
chown -R gotosocial:gotosocial web

echo -e "\e[32m[EXECUTING]\e[0m Restarting GoToSocial service..."
systemctl start gotosocial

echo -e "\n\e[32m✔ Rollback to $TIMESTAMP complete.\e[0m"
systemctl status gotosocial --no-pager