#!/bin/bash
# /usr/local/bin/gitea-backup.sh

BACKUP_DIR="/backup/gitea"
DATA_DIR="/home/hans/forgejo/data"
CONTAINER_NAME="forgejo"  # Dein container_name aus der Compose-Datei
RETENTION_DAYS=14

mkdir -p "$BACKUP_DIR"
TIMESTAMP=$(date +%Y%m%d-%H%M)

echo "[$(date)] Starting Gitea backup..."

# Backup im Container erstellen
docker exec -u git -w /data "$CONTAINER_NAME" \
  /app/gitea/gitea dump -c /data/gitea/conf/app.ini \
  --file /data/gitea-dump.zip

# Vom gemappten Volume ins Backup-Verzeichnis verschieben
if [ -f "$DATA_DIR/gitea-dump.zip" ]; then
  mv "$DATA_DIR/gitea-dump.zip" "$BACKUP_DIR/gitea-dump-$TIMESTAMP.zip"
  chmod 600 "$BACKUP_DIR/gitea-dump-$TIMESTAMP.zip"
  
  # Alte Backups entfernen
  find "$BACKUP_DIR" -name "gitea-dump-*.zip" -mtime +$RETENTION_DAYS -delete
  
  SIZE=$(du -h "$BACKUP_DIR/gitea-dump-$TIMESTAMP.zip" | cut -f1)
  echo "[$(date)] Backup completed: gitea-dump-$TIMESTAMP.zip ($SIZE)"
else
  echo "[$(date)] ERROR: Backup file not found!"
  exit 1
fi