make dobackup work correctly

tilserv/delbackup

@@ -0,0 +1,6 @@
+#!/usr/bin/env -S bash -e
+for i in $(zfs list -H -o name -t snapshot | grep 'bighdd\/backup\/.*@2.*'); do
+	if (( date - ${i##bighdd*@} >= 7 )); then
+		echo "$i is to be deleted since the snapshot is 7 days or older"
+	fi
+done

tilserv/dobackup

@@ -1,17 +1,18 @@
-#!/bin/bash
+#!/usr/bin/env -S bash -e
 
-#if [ -z $1 ]; then echo "Usage: $0 [target pool]"; exit 1; fi
-
-targetpool="bighdd/backup"
-incbackup="nvme/gitea@inc"
-newsnap="gitea@$(date +%Y%m%d)"
-latestsnap=$(zfs list -r -t snapshot -H -o name bighdd/backup/gitea | grep gitea@ | tail -n1)
-if [ "bighdd/backup/$newsnap" != "$latestsnap" ];  then
-	set -x
-	zfs snapshot -r nvme/$newsnap
-	zfs send -RI $incbackup nvme/$newsnap | zfs recv -Fu ${targetpool}/gitea
-	zfs destroy nvme/$newsnap
-	set +x
-else
-	echo "Backup ($targetpool) already contains snapshot $backupsnap"
-fi
+backupscript() {
+	targetpool="bighdd/backup"
+	incbackup="nvme/${1}@inc"
+	newsnap="${1}@$(date +%Y%m%d)"
+	latestsnap=$(zfs list -r -t snapshot -H -o name bighdd/backup/${1} | grep ${1}@ | tail -n1)
+	if [ "bighdd/backup/$newsnap" != "$latestsnap" ];  then
+		set -x
+		zfs snapshot -r nvme/$newsnap
+		zfs send -RI $incbackup nvme/$newsnap | pv | zfs recv -Fu ${targetpool}/${1}
+		zfs destroy nvme/$newsnap
+		set +x
+	else
+		echo "Backup ($targetpool) already contains snapshot of $1"
+	fi
+}
+for i in ${@}; do backupscript ${i}; done