atom: Refactor progress info

atom

@@ -239,8 +239,8 @@ do
 	done
 done
 
-deleted=0
+unset deleted
-removed=0
+unset removed
 echo 'BEGIN TRANSACTION;' >&3
 for id in ${!removefile[@]}
 do
@@ -264,7 +264,7 @@ do
 done
 echo 'COMMIT;' >&3
 (( cron )) || echo -n $'\r'
-echo -n "Suppressed $deleted files, $removed removed from database"
+echo -n "${deleted+$deleted files deleted${removed:+, }}${removed:+$removed removed from database}"
 (( cron )) || echo -ne "\033[K"
 echo
 unset removecount deleted removed removefile
@@ -280,7 +280,8 @@ do
 		Update destination_files last_change 0	\
 			<<<"destination_id = $forcedestid"
 	else
-		echo "Destination $forcedest does not exist!" >&2
+		echo "Full rebuild of destination $forcedest was requested,"  \
+			"but it does not exist!" >&2
 	fi
 done
 
@@ -449,7 +450,7 @@ do
 	decodefiles+=("$line::AtOM:SQL:Sep::")
 	read -u4 line
 done
-(( cron )) || echo -n 'Creating tasks...  '
+(( cron )) || echo -n $'Creating tasks...\033[K'
 
 (( textunidecodeneeded )) && ascii
 
@@ -555,8 +556,11 @@ do
 		tmpfile
 done
 echo 'COMMIT;' >&3
-(( cron )) || echo -n $'\r'
+(( cron )) || echo -n $'\r\033[K'
-echo "Created ${count:-0} tasks for $filecount files ${togo:+($togo left) }(${copies:-0} immediate copies)"
+(( count ))						\
+&& echo "Created $count tasks for $filecount files	\
+	${togo:+($togo left) }				\
+	${copies:+($copies immediate copies)}"
 
 # remove perl unicode to ascii coprocess
 (( textunidecodeneeded )) && eval exec "${toascii[1]}>&-"
@@ -571,7 +575,7 @@ remaining=$taskcount
 failed=0
 echo 'BEGIN TRANSACTION;' >&3
 committime=$EPOCHSECONDS
-while (( (remaining || ${#workers[@]}) && ! quit ))
+while (( remaining || ${#workers[@]} ))
 do
 	timestamp=$EPOCHSECONDS
 	if (( $timestamp - committime >= 60 ))
@@ -585,12 +589,10 @@ do
 	then
 		concurrency="$fixed_workers"
 	else
-		if [ -z "$quit" ]					\
+		if (( timestamp - concurrencychange >= loadinterval ))
-		&& (( ! pause ))					\
-		&& (( timestamp - concurrencychange >= loadinterval ))
 		then
-			if (( concurrency > 1 ))	\
+			if (( concurrency > 1 || allow_zero_running ))	\
-			&& (( load > maxload ))
+			&& (( load > maxload && concurrency > 0 ))
 			then
 				concurrencychange=$timestamp
 				(( --concurrency ))
@@ -603,16 +605,11 @@ do
 	fi
 	checkworkers
 	cleaner
-	(( pause )) || master
+	master
 	if (( ran - failed ))
 	then
 		currenttime=$timestamp
-		if (( pause ))
+		(( runtime = currenttime - starttime ))
-		then
-			(( runtime = pausestart - starttime - pausedtime ))
-		else
-			(( runtime = currenttime - starttime - pausedtime ))
-		fi
 		avgduration=$((
 			( runtime * 1000)
 			/
@@ -648,11 +645,7 @@ do
 	fmtprogress="T:%${#taskcount}i/%i (F:%i) %3i%%"
 	fmttime='%2id %2ih%02im%02is (A:%4.1fs/task)'
 	eta="ETA:$(
-		date -d	"${days:-0} days
+		printf "%(%c)T" "$(( currenttime + secsremaining ))
-			${hours:-0} hours
-			${minutes:-0} minutes
-			${seconds:-0} seconds"	\
-			+'%d/%m %H:%M:%S'
 	)"
 	(( cron )) || printf						\
 		"\r$fmtload $fmtworkers $fmtprogress $fmttime $eta\033[K"\
@@ -669,7 +662,7 @@ do
 		${minutes:-0}						\
 		${seconds:-0}   					\
 		${avgdsec:-0}.${avgdmsec:-0}
-	if (( pause ))
+	if ! (( concurrency ))
 	then
 		if (( active ))
 		then
@@ -684,22 +677,25 @@ unset count
 
 endtime=$EPOCHSECONDS
 
-(( elapsedseconds = endtime - starttime - pausedtime ))
+(( elapsedseconds = endtime - starttime ))
 (( days =
 	elapsedseconds
 	/
 	( 24*60*60 )
 )) || true
+(( days )) || unset days
 (( hours =
 	( elapsedseconds - ( days*24*60*60 ) )
 	/
 	( 60*60 )
 )) || true
+(( days && hours )) || unset hours
 (( minutes =
 	( elapsedseconds - ( ( days*24 + hours ) *60*60 ) )
 	/
 	60
 )) || true
+(( days && hours && minutes )) || unset minutes
 (( seconds =
 	elapsedseconds
 	-
@@ -707,8 +703,12 @@ endtime=$EPOCHSECONDS
 )) || true
 
 (( cron )) || echo -n $'\r'
-echo -n	"Ran ${ran:=0} tasks, $failed of which failed, in $days"	\
+(( ran ))	\
-	"days, $hours hours, $minutes minutes and $seconds seconds."
+&& echo -n	"Ran $ran tasks${failed:+, $failed of which failed,}	\
+		in ${days:+$days days,}					\
+		${hours:+$hours hours,}					\
+		${minutes:+$minutes minutes and}			\
+		$seconds seconds."
 (( cron )) || echo -en "\033[K"
 echo
 if (( failed ))
@@ -793,17 +793,10 @@ then
 		echo "${line%%::AtOM:SQL:Sep::*}"
 		line="${line#*::AtOM:SQL:Sep::}"
 		line="${line//::AtOM:SQL:Sep::/ }"
-		echo $'\t'"${line/+( )$/}"
+		echo $'\t'"${line/+( )$/}"$'\n'
-		echo
 	done
 fi
 
-if [ -n "$quit" ]
-then
-	closeDatabase
-	exit
-fi
-
 for destination in "${!destinationpath[@]}"
 do
 	echo '
@@ -930,7 +923,8 @@ do
 		(( textunidecodeneeded )) && eval exec "${toascii[1]}>&-"
 		echo 'COMMIT;' >&3
 		(( cron )) || echo -n $'\r'
-		echo -n "$destination: Renamed ${changedcount:-0} files"
+		((  changedcount ))					\
+		&& echo -n "$destination: Renamed $changedcount files"
 		(( cron )) || echo -en "\033[K"
 		echo
 	fi
@@ -953,7 +947,7 @@ echo '
 	SELECT	"AtOM:NoMoreFiles";
 ' >&3
 
-(( cron )) || echo -n 'Removing obsolete files...     '
+(( cron )) || echo -n 'Removing obsolete files...'$'\033[K'
 lines=()
 read -u4 line
 while [[ $line != AtOM:NoMoreFiles ]]
@@ -980,11 +974,12 @@ do
 done
 echo 'COMMIT;' >&3
 (( cron )) || echo -n $'\r'
-echo -n "Removed ${count:-0} obsolete files."
+(( count ))					\
+&& echo -n "Removed $count obsolete files."
 (( cron )) || echo -en "\033[K"
 echo
 
-echo "Purging empty directories."
+echo "Purging empty directories..."
 for path in "${destinationpath[@]}"
 do
 	find "$path" -type d -empty -delete