feat: show live grouped stack states

manage.sh

@@ -290,11 +290,12 @@ run_group() {
 	local action="$2"
 	local group_name="${GROUP_NAMES[group_index]}"
 	local limit="${GROUP_LIMITS[group_index]}"
-	local stack pid finished_pid status result result_color marker success_result details
+	local stack pid finished_pid status success_result working_result details
-	local next=0 running=0 completed=0 failed=0 stack_width=0 interactive=0
+	local index finished_index total
+	local next=0 running=0 completed=0 failed=0 stack_width=0 interactive=0 rendered=0
 	local success_color="" failure_color="" color_reset=""
-	local -a stacks=()
+	local -a stacks=() states=() markers=() state_colors=()
-	local -A pid_stacks=()
+	local -A pid_indexes=()
 
 	if [[ -t 1 ]]; then
 		interactive=1
@@ -306,81 +307,98 @@ run_group() {
 	fi
 
 	read -r -a stacks <<<"${GROUP_STACKS[group_index]}"
-	((${#stacks[@]} > 0)) || return 0
+	total="${#stacks[@]}"
-	for stack in "${stacks[@]}"; do
+	((total > 0)) || return 0
+	for ((index = 0; index < total; index++)); do
+		stack="${stacks[index]}"
 		((${#stack} > stack_width)) && stack_width="${#stack}"
+		states+=("Waiting")
+		markers+=(" ")
+		state_colors+=("")
 	done
 
-	if ((limit == 0 || limit > ${#stacks[@]})); then
+	if ((limit == 0 || limit > total)); then
-		limit="${#stacks[@]}"
+		limit="$total"
 	fi
 
-	if ((${#stacks[@]} == 1)); then
+	if ((total == 1)); then
 		details="1 stack"
-	elif ((limit == ${#stacks[@]})); then
+	elif ((limit == total)); then
-		details="${#stacks[@]} stacks in parallel"
+		details="$total stacks in parallel"
 	else
-		details="${#stacks[@]} stacks, max $limit in parallel"
+		details="$total stacks, max $limit in parallel"
 	fi
 
 	echo
-	if ((interactive)); then
+	if ((!interactive)); then
-		printf '[+] %s: %s 0/%d\n' "$group_name" "$action" "${#stacks[@]}"
-	else
 		echo "==> Group $group_name: $action ($details)"
 	fi
 
 	case "$action" in
-	up | start) success_result="Started" ;;
+	up | start) working_result="Starting"; success_result="Started" ;;
-	restart) success_result="Restarted" ;;
+	restart) working_result="Restarting"; success_result="Restarted" ;;
-	stop) success_result="Stopped" ;;
+	stop) working_result="Stopping"; success_result="Stopped" ;;
-	down) success_result="Removed" ;;
+	down) working_result="Removing"; success_result="Removed" ;;
-	pull) success_result="Pulled" ;;
+	pull) working_result="Pulling"; success_result="Pulled" ;;
-	update) success_result="Updated" ;;
+	update) working_result="Updating"; success_result="Updated" ;;
 	esac
 
-	while ((next < ${#stacks[@]} || running > 0)); do
+	while :; do
-		while ((next < ${#stacks[@]} && running < limit)); do
+		while ((next < total && running < limit)); do
 			stack="${stacks[next]}"
+			states[next]="$working_result"
 			STACKS_QUIET_PROGRESS=1 run_stack "$stack" "$action" 0 &
 			pid="$!"
-			pid_stacks["$pid"]="$stack"
+			pid_indexes["$pid"]="$next"
 			((next += 1, running += 1))
 		done
 
+		if ((interactive)); then
+			((rendered)) && printf '\033[%dA' "$((total + 1))"
+			printf '\r\033[2K[+] %s: %s %d/%d\n' \
+				"$group_name" "$action" "$completed" "$total"
+			for ((index = 0; index < total; index++)); do
+				printf '\r\033[2K %s%s%s Stack %-*s %s%s%s\n' \
+					"${state_colors[index]}" "${markers[index]}" "$color_reset" \
+					"$stack_width" "${stacks[index]}" \
+					"${state_colors[index]}" "${states[index]}" "$color_reset"
+			done
+			rendered=1
+		fi
+
+		((running > 0)) || break
+
 		finished_pid=""
 		status=0
 		wait -n -p finished_pid || status=$?
 		[[ -n "$finished_pid" ]] || die "cannot identify completed stack"
 
-		stack="${pid_stacks[$finished_pid]}"
+		finished_index="${pid_indexes[$finished_pid]}"
-		unset 'pid_stacks[$finished_pid]'
+		unset 'pid_indexes[$finished_pid]'
+		stack="${stacks[finished_index]}"
 		((running -= 1))
 
 		if ((status == 0)); then
-			marker="✔"
+			markers[finished_index]="✔"
-			result="$success_result"
+			states[finished_index]="$success_result"
-			result_color="$success_color"
+			state_colors[finished_index]="$success_color"
 			((RUN_SUCCESS += 1))
 		else
-			marker="✘"
+			markers[finished_index]="✘"
-			result="Failed"
+			states[finished_index]="Failed"
-			result_color="$failure_color"
+			state_colors[finished_index]="$failure_color"
 			((RUN_FAILED += 1))
 			RUN_FAILED_STACKS+=("$stack")
 			((failed += 1))
 		fi
 
 		((completed += 1))
-		if ((interactive)); then
+		if ((!interactive)); then
-			printf '\033[%dA\r\033[2K[+] %s: %s %d/%d\n' \
+			printf ' %s%s%s Stack %-*s %s%s%s\n' \
-				"$completed" "$group_name" "$action" "$completed" "${#stacks[@]}"
+				"${state_colors[finished_index]}" "${markers[finished_index]}" "$color_reset" \
-			((completed > 1)) && printf '\033[%dB\r' "$((completed - 1))"
+				"$stack_width" "$stack" \
+				"${state_colors[finished_index]}" "${states[finished_index]}" "$color_reset"
 		fi
-
-		printf '  %s%s%s Stack %-*s %s%s%s\n' \
-			"$result_color" "$marker" "$color_reset" "$stack_width" "$stack" \
-			"$result_color" "$result" "$color_reset"
 	done
 
 	((failed == 0))