Added debug logging at the start of the backup and deletion loops.

Added '$' to the end of the grep statements to enhance safety

Removed extra blank line

acts

@@ -144,11 +144,12 @@ fi
 # PART 3: Backup
 backuprc=0 # Notice any failed backups
 for dir in $backuptargets; do
+    log_debug "message=\"Starting backup of $dir\""
     archive_starttime=$(date +%s)
     nicedirname=$(echo "$dir" | tr -d '/')
     # Determine the archive type to create
-    if echo "$archives" | grep -E -q "^$hostname-yearly-$year-.+-$nicedirname"; then
-        if echo "$archives" | grep -E -q "^$hostname-monthly-$year-$month-.+-$nicedirname"; then
+    if echo "$archives" | grep -E -q "^$hostname-yearly-$year-.+-$nicedirname$"; then
+        if echo "$archives" | grep -E -q "^$hostname-monthly-$year-$month-.+-$nicedirname$"; then
             # There's a yearly and monthly backup already
             archivetype="daily"
         else
@@ -179,13 +180,13 @@ if [ "$backuprc" != "0" ]; then
     die "acts-tarsnap-error One of the backups failed -- not deleting old backups"
 fi
 
-
 for dir in $backuptargets; do
+    log_debug "message=\"Checking $dir for old backups to delete\""
     nicedirname=$(echo "$dir" | tr -d '/')
     # We don't delete any yearly backups
 
     # We keep 12 monthly backups
-    monthlybackups=$(echo "$archives" | grep "$hostname-monthly-.+-$nicedirname" | sort -rn)
+    monthlybackups=$(echo "$archives" | grep "$hostname-monthly-.+-$nicedirname$" | sort -rn)
     if [ "$(echo "$monthlybackups" | wc -l)" -gt 12 ]; then
         log_debug 'message="More than 12 monthly backups, deleting the oldest"'
         echo "$monthlybackups" | tail -n +13 | while read -r archiveprefixtodel; do
@@ -200,7 +201,7 @@ for dir in $backuptargets; do
     fi
 
     # We keep 31 daily backups
-    dailybackups=$(echo "$archives" | grep "$hostname-daily-.+-$nicedirname" | sort -rn)
+    dailybackups=$(echo "$archives" | grep "$hostname-daily-.+-$nicedirname$" | sort -rn)
     if [ "$(echo "$dailybackups" | wc -l)" -gt 31 ]; then
         log_debug "message=\"More than 30 daily backups, deleting the oldest\""
         echo "$dailybackups" | tail -n +32 | while read -r archiveprefixtodel; do