From 0bb44485c18aa6eaf6409b31c9b623f0c825052c Mon Sep 17 00:00:00 2001
From: Claude <noreply@anthropic.com>
Date: Thu, 30 Jul 2026 16:21:30 +0200
Subject: [PATCH] backup: naechtlicher gitea dump mit Ein-Dump-Rotation

Cron (rantanplan, 03:17): gitea dump -> /opt/backup, nur der neueste
Dump bleibt auf dem Host -- 38G-Platte traegt nicht mehr. Aeltere
Staende off-host ziehen (siehe README/Skriptkopf).

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
---
 backup/gitea-backup.sh | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100755 backup/gitea-backup.sh

diff --git a/backup/gitea-backup.sh b/backup/gitea-backup.sh
new file mode 100755
index 0000000..2abb717
--- /dev/null
+++ b/backup/gitea-backup.sh
@@ -0,0 +1,20 @@
+#!/bin/sh
+# Naechtliches Gitea-Backup (Cron des Users rantanplan, kein sudo noetig).
+# Rotation: Es bleibt NUR der neueste Dump auf dem Host -- die Platte (38G)
+# traegt nicht mehr, aeltere Staende gehoeren off-host:
+#   scp -P 2248 rantanplan@188.245.193.243:/opt/backup/gitea-dump-<datum>.zip .
+set -eu
+
+BACKUP_DIR=/opt/backup
+CONTAINER=thread-net-git-gitea-1
+TARGET="$BACKUP_DIR/gitea-dump-$(date +%F).zip"
+
+docker exec "$CONTAINER" rm -f /tmp/gitea-dump.zip
+docker exec -u git -w /tmp "$CONTAINER" gitea dump -c /data/gitea/conf/app.ini -f /tmp/gitea-dump.zip
+docker cp -q "$CONTAINER:/tmp/gitea-dump.zip" "$TARGET.tmp"
+docker exec "$CONTAINER" rm -f /tmp/gitea-dump.zip
+mv "$TARGET.tmp" "$TARGET"
+
+find "$BACKUP_DIR" -maxdepth 1 -name 'gitea-dump-*.zip' ! -name "$(basename "$TARGET")" -delete
+
+echo "$(date -Is) backup ok: $TARGET ($(du -h "$TARGET" | cut -f1))"