dependabot: file changes and generate script

.github/dependabot.yml

@@ -1,7 +1,36 @@
 version: 2
 updates:
   - package-ecosystem: "docker-compose"
-    directories: 
-      - "/docker/personal/media/films-series/radarr"
     schedule:
       interval: weekly
+    directories:
+      - "/docker/home/home-assistant"
+      - "/docker/home/matter-server"
+      - "/docker/home/mosquitto-mqtt"
+      - "/docker/home/node-red"
+      - "/docker/home/zigbee2mqtt"
+      - "/docker/infrastructure/mail/roundcube"
+      - "/docker/infrastructure/mail/stalwart"
+      - "/docker/infrastructure/network/traefik"
+      - "/docker/infrastructure/sshportal"
+      - "/docker/personal/gramps"
+      - "/docker/personal/media/films-series/jackett"
+      - "/docker/personal/media/films-series/jellyfin"
+      - "/docker/personal/media/films-series/jellyseerr"
+      - "/docker/personal/media/films-series/radarr"
+      - "/docker/personal/media/films-series/sonarr"
+      - "/docker/personal/media/films-series/transmission"
+      - "/docker/personal/media/films-series/wizarr"
+      - "/docker/personal/media/music/navidrome"
+      - "/docker/personal/media/youtube/tubearchivist"
+      - "/docker/personal/paperless"
+      - "/docker/personal/radicale"
+      - "/docker/personal/syncthing"
+      - "/docker/personal/tandoor"
+      - "/docker/production/alexscript"
+      - "/docker/production/semery.fr"
+      - "/docker/production/vhaudiquet.fr"
+      - "/docker/tools/excalidraw"
+      - "/docker/tools/hedgedoc"
+      - "/docker/tools/notesnook"
+      - "/docker/tools/stirling-pdf"

generate-dependabot.sh

@@ -0,0 +1,38 @@
+#!/bin/bash
+
+# Create .github directory if needed
+if [ ! -d .github ]; then
+    mkdir -p .github
+fi
+
+tmpfile=$(mktemp)
+
+# Make sure to cleanup our temp file on any kind of exit
+trap 'rm -f "$tmpfile"' EXIT
+
+# dependabot.yml header
+cat > "$tmpfile" <<'YAML'
+version: 2
+updates:
+  - package-ecosystem: "docker-compose"
+    schedule:
+      interval: weekly
+    directories:
+YAML
+
+# Find and sort all docker-compose.yml directories
+find docker -name 'docker-compose.yml' -print0 \
+  | xargs -0 -n1 dirname \
+  | sed 's|^\./||' \
+  | sort \
+  | while read -r dir; do
+      echo "      - \"/$dir\"" >> "$tmpfile"
+    done
+
+# Overwrite file on change
+if ! [ -f .github/dependabot.yml ] || ! cmp -s "$tmpfile" .github/dependabot.yml; then
+  mv "$tmpfile" .github/dependabot.yml
+  echo "Updated .github/dependabot.yml!"
+else
+  echo "No changes to .github/dependabot.yml."
+fi