feat: report grouped task progress

manage.sh

@@ -247,10 +247,15 @@ stack_group() {
 compose() {
 	local stack="$1"
 	shift
+	local -a docker_args=(compose)
+
+	if [[ "${STACKS_QUIET_PROGRESS:-0}" == "1" ]]; then
+		docker_args+=(--progress quiet)
+	fi
 
 	(
 		cd -- "$STACKS_DIR/$stack" || exit 1
-		docker compose "$@"
+		docker "${docker_args[@]}" "$@"
 	)
 }
 
@@ -285,10 +290,17 @@ run_group() {
 	local action="$2"
 	local group_name="${GROUP_NAMES[group_index]}"
 	local limit="${GROUP_LIMITS[group_index]}"
-	local semaphore_dir semaphore_fifo semaphore_fd
-	local stack pid i status details
-	local failed=0
-	local -a stacks=() pids=() pid_stacks=()
+	local stack pid finished_pid status result result_color success_result details
+	local next=0 running=0 completed=0 failed=0
+	local success_color="" failure_color="" color_reset=""
+	local -a stacks=()
+	local -A pid_stacks=()
+
+	if [[ -t 1 && -z "${NO_COLOR:-}" ]]; then
+		success_color=$'\033[32m'
+		failure_color=$'\033[31m'
+		color_reset=$'\033[0m'
+	fi
 
 	read -r -a stacks <<<"${GROUP_STACKS[group_index]}"
 	((${#stacks[@]} > 0)) || return 0
@@ -308,46 +320,50 @@ run_group() {
 	echo
 	echo "==> Group $group_name: $action ($details)"
 
-	semaphore_dir="$(mktemp -d "${TMPDIR:-/tmp}/stacks-manage.XXXXXX")" ||
-		die "cannot create semaphore directory"
-	semaphore_fifo="$semaphore_dir/tokens"
-	mkfifo "$semaphore_fifo" || die "cannot create semaphore"
-	exec {semaphore_fd}<>"$semaphore_fifo" || die "cannot open semaphore"
+	case "$action" in
+	up | start) success_result="Started" ;;
+	restart) success_result="Restarted" ;;
+	stop) success_result="Stopped" ;;
+	down) success_result="Removed" ;;
+	pull) success_result="Pulled" ;;
+	update) success_result="Updated" ;;
+	esac
 
-	for ((i = 0; i < limit; i++)); do
-		printf '\n' >&"$semaphore_fd"
+	while ((next < ${#stacks[@]} || running > 0)); do
+		while ((next < ${#stacks[@]} && running < limit)); do
+			stack="${stacks[next]}"
+			STACKS_QUIET_PROGRESS=1 run_stack "$stack" "$action" 0 &
+			pid="$!"
+			pid_stacks["$pid"]="$stack"
+			((next += 1, running += 1))
 		done
 
-	for stack in "${stacks[@]}"; do
-		IFS= read -r -u "$semaphore_fd"
-
-		(
+		finished_pid=""
 		status=0
-			run_stack "$stack" "$action" 0 || status=$?
-			printf '\n' >&"$semaphore_fd"
-			exit "$status"
-		) &
+		wait -n -p finished_pid || status=$?
+		[[ -n "$finished_pid" ]] || die "cannot identify completed stack"
 
-		pids+=("$!")
-		pid_stacks+=("$stack")
-	done
+		stack="${pid_stacks[$finished_pid]}"
+		unset 'pid_stacks[$finished_pid]'
+		((running -= 1))
 
-	for ((i = 0; i < ${#pids[@]}; i++)); do
-		pid="${pids[i]}"
-		stack="${pid_stacks[i]}"
-
-		if wait "$pid"; then
+		if ((status == 0)); then
+			result="$success_result"
+			result_color="$success_color"
 			((RUN_SUCCESS += 1))
 		else
+			result="Failed"
+			result_color="$failure_color"
 			((RUN_FAILED += 1))
 			RUN_FAILED_STACKS+=("$stack")
 			((failed += 1))
 		fi
-	done
 
-	exec {semaphore_fd}>&-
-	rm -f -- "$semaphore_fifo"
-	rmdir -- "$semaphore_dir"
+		((completed += 1))
+		printf '[%d/%d] %s: %s%s%s\n' \
+			"$completed" "${#stacks[@]}" "$stack" \
+			"$result_color" "$result" "$color_reset"
+	done
 
 	((failed == 0))
 }