Added option -b to enable image backups pre pull. (#242)

* added new variables, options and setup

* datecheck function rewrite

* moved the cleanup and prune logic to always run. Changed some wording on messages.

* added function to print currently backed up images

* Patched bugfix to not recreate stopped containers

* changed the RepoDigests grab and logic

* Moved the backup - cleanup to always trigger if -b option is used. Added -p&-b warning.

* version bump and readme fixes

README.md

@@ -27,6 +27,8 @@ ___
       - Backup an image before pulling a new version for easy rollback in case of breakage.
       - Removes backed up images older than *N* days.
       - List currently backed up images with `-B`.
+    - Fixes:
+      - Bugfix for `-s` *Stopped* to not recreate stopped containers after update.
 - **v0.7.4**:
     - Added new option `-R`:
       - Will skip container recreation after pulling images.

dockcheck.sh

@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
-VERSION="v0.7.4"
+VERSION="v0.7.5"
-# ChangeNotes: New option -R to pull without recreation. Fixes: value too great error, legacy cleanups.
+# ChangeNotes: New option -b N to backup image before pulling for easy rollback.
 Github="https://github.com/mag37/dockcheck"
 RawUrl="https://raw.githubusercontent.com/mag37/dockcheck/main/dockcheck.sh"
 

notify_templates/urls.list

@@ -15,12 +15,14 @@ calibre https://github.com/linuxserver/docker-calibre/releases
 calibre-web https://github.com/linuxserver/docker-calibre-web/releases
 cleanuperr https://github.com/flmorg/cleanuperr/releases
 cross-seed https://github.com/cross-seed/cross-seed/releases
+crowdsec https://github.com/crowdsecurity/crowdsec/releases
 cup https://github.com/sergi0g/cup/releases
 dockge https://github.com/louislam/dockge/releases
 dozzle https://github.com/amir20/dozzle/releases
 flatnotes https://github.com/dullage/flatnotes/releases
 forgejo https://codeberg.org/forgejo/forgejo/releases
 fressrss https://github.com/FreshRSS/FreshRSS/releases
+gerbil https://github.com/fosrl/gerbil/releases
 gluetun https://github.com/qdm12/gluetun/releases
 go2rtc https://github.com/AlexxIT/go2rtc/releases
 gotify https://github.com/gotify/server/releases
@@ -45,9 +47,11 @@ mealie https://github.com/mealie-recipes/mealie/releases
 meilisearch https://github.com/meilisearch/meilisearch/releases
 monica https://github.com/monicahq/monica/releases
 mqtt https://github.com/eclipse/mosquitto/tags
+newt https://github.com/fosrl/newt/releases
 nextcloud-aio-mastercontainer https://github.com/nextcloud/all-in-one/releases
 nginx https://github.com/docker-library/official-images/blob/master/library/nginx
 owncast https://github.com/owncast/owncast/releases
+pangolin https://github.com/fosrl/pangolin/releases
 prowlarr https://github.com/Prowlarr/Prowlarr/releases
 prowlarr-ls https://github.com/linuxserver/docker-prowlarr/releases
 qbittorrent https://www.qbittorrent.org/news
@@ -66,6 +70,7 @@ snappymail https://github.com/the-djmaze/snappymail/releases
 sonarr https://github.com/Sonarr/Sonarr/releases/
 sonarr-ls https://github.com/linuxserver/docker-sonarr/releases
 syncthing https://github.com/syncthing/syncthing/releases
+tailscale https://github.com/tailscale/tailscale/releases
 tautulli https://github.com/Tautulli/Tautulli/releases
 thelounge https://github.com/thelounge/thelounge/releases
 traefik https://github.com/traefik/traefik/releases