aven 0.1.5

Local-first task manager CLI and sync server
Documentation 
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#!/usr/bin/env bash
set -euo pipefail

if [[ $# -lt 2 ]]; then
  echo "usage: quiet-check <label> <command> [args...]" >&2
  exit 2
fi

label="$1"
shift

# shellcheck source=scripts/lib/check-ui.bash
source "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/lib/check-ui.bash"

is_tty=0
[[ -t 1 ]] && is_tty=1

latest_line() {
  if [[ ! -s "$output_file" ]]; then
    return 0
  fi
  local line
  line="$(tail -n 20 "$output_file" | strip_ansi | grep -v '^[[:space:]]*$' | tail -n 1 || true)"
  printf '%s' "$line"
}

truncate_line() {
  local text="$1"
  local max_width="$2"
  if [[ "${#text}" -le "$max_width" ]]; then
    printf '%s' "$text"
  else
    printf '%s' "${text:0:max_width}"
  fi
}

output_file="$(mktemp -t aven-quiet-check.XXXXXX)"
child_pid=""
spinner_pid=""
line_drawn=0
cursor_hidden=0
started_at="$(date +%s)"
frames=(⠋ ⠙ ⠹ ⠸ ⠼ ⠴ ⠦ ⠧ ⠇ ⠏)

cleanup() {
  local status=$?
  if [[ -n "$spinner_pid" ]]; then
    kill "$spinner_pid" >/dev/null 2>&1 || true
  fi
  if [[ -n "$child_pid" ]]; then
    kill "$child_pid" >/dev/null 2>&1 || true
  fi
  if [[ "$is_tty" -eq 1 && "$line_drawn" -eq 1 ]]; then
    printf '%s[2K\r' "$esc" >&2
  fi
  if [[ "$cursor_hidden" -eq 1 ]]; then
    printf '%s[?25h' "$esc" >&2
  fi
  rm -f "$output_file"
  exit "$status"
}
trap cleanup EXIT INT TERM

render_loop() {
  local frame_index=0
  while true; do
    printf '%s[2K\r%s %s' \
      "$esc" \
      "$(dim "${frames[$frame_index]}")" \
      "$label" >&2
    line_drawn=1
    frame_index=$(((frame_index + 1) % ${#frames[@]}))
    sleep 0.09
  done
}

if [[ "$is_tty" -eq 1 ]]; then
  printf '%s[?25l' "$esc" >&2
  cursor_hidden=1
  render_loop &
  spinner_pid=$!
fi

set +e
"$@" >"$output_file" 2>&1 &
child_pid=$!
wait "$child_pid"
status=$?
child_pid=""
set -e

if [[ -n "$spinner_pid" ]]; then
  kill "$spinner_pid" >/dev/null 2>&1 || true
  wait "$spinner_pid" >/dev/null 2>&1 || true
  spinner_pid=""
fi

elapsed="$(elapsed_seconds "$started_at")"
if [[ "$is_tty" -eq 1 ]]; then
  printf '%s[2K\r' "$esc" >&2
  line_drawn=0
  printf '%s[?25h' "$esc" >&2
  cursor_hidden=0
fi

if [[ "$status" -eq 0 ]]; then
  printf '%s %s  %s\n' "$(green ✓)" "$label" "$(dim "($elapsed)")"
else
  printf '%s %s  %s\n' "$(bold_red ✖)" "$label" "$(dim "($elapsed)")" >&2
  cat "$output_file" >&2
  exit "$status"
fi