From aa2f604c1cffa12db60f452aa7ed89b853510705 Mon Sep 17 00:00:00 2001
From: m3tam3re <m@m3tam3re.com>
Date: Tue, 11 Jun 2024 13:39:29 +0200
Subject: [PATCH] +backup-helper

---
 backup-helper.fish | 70 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 70 insertions(+)
 create mode 100755 backup-helper.fish

diff --git a/backup-helper.fish b/backup-helper.fish
new file mode 100755
index 0000000..0d6f538
--- /dev/null
+++ b/backup-helper.fish
@@ -0,0 +1,70 @@
+#!/run/current-system/sw/bin/fish
+set BKG_DIR $BKG_DIR
+set EXCLUDE_APPS $EXCLUDE_APPS    
+set EXCLUDE_VOLUMES $EXCLUDE_VOLUMES
+set EXCLUDE_CLEANUP $EXCLUDE_CLEANUP
+set DAYS $DAYS              # how many days should daily backups be stored
+set DF $DF                  # folder name for daily backups
+set WF $WF                  # folder name for weekly backups
+set MF $MF                  # folder name for monthly backups
+set MBD $MBD                # day of month for monthly backup
+set WBD $WBD                # weekday for weekly backups
+set PV $PV                  # folder name for podman volumes
+set PODMAN_VOLUMES (podman volume ls --format '{{.Name}}') # if you are using docker just replace the podman command with the docker command
+
+if not test -d $BKG_DIR
+    mkdir $BKG_DIR
+end
+cd $BKG_DIR
+# Podman volume backup
+if not test -d $BKG_DIR/$PV
+    mkdir $BKG_DIR/$PV
+end
+for vol in $PODMAN_VOLUMES
+    if contains $vol $EXCLUDE_VOLUMES
+        continue
+    end
+    cd $BKG_DIR/$PV
+    podman volume export $vol --output $vol.tar ; gzip $vol.tar
+    # If you are using docker things look a bit more complicated / comment the podman line and uncomment the following
+    # docker run --rm -v .:/backup -v $vol:/$vol busybox sh -c "cd /$vol && tar cf /backup/$vol.tar . && gzip /backup/$vol.tar"
+end
+set BACKUP_APPS (fd . -td -d 1 $BKG_DIR)
+# App backup
+for bkg in $BACKUP_APPS
+    if contains $bkg $EXCLUDE_APPS
+        continue
+    end
+    cd $bkg
+    #monthly
+    if not test -d $MF
+	mkdir $MF
+    end
+    set DOM (date +%d)
+    if test $DOM -eq $MBD
+	 fd . -tf -d 1 -x cp {/} $MF/(date +"%Y%m")-{/}
+    end
+    #weekly
+    if not test -d $WF
+	mkdir $WF
+    end
+    set DOW (date +%u)
+    if test $DOW -eq $WBD
+	 fd . -tf -d 1 -x cp {/} $WF/(date +"%U%Y")-{/}
+    end
+    #dailies
+    if not test -d $DF
+	mkdir $DF
+    end
+    fd . -tf -d 1 -x mv {/} $DF/(date +"%Y%m%d")-{/}
+end
+# Delete old backups
+for bkg in $BACKUP_APPS
+    if contains $bkg $EXCLUDE_CLEANUP
+        continue
+    end
+    fd . $bkg$DF --changed-before $DAYS"d" -X rm
+    fd . $bkg$WF --changed-before "4w" -X rm
+    fd . $bkg$MF --changed-before "8w" -X rm
+end
+