Get time difference between output lines from fastlane

fastlane-diff.sh

#!/bin/bash

CLEAR='\033[0m'
RED='\033[38;5;160m'
ORANGE='\033[38;5;202m'
YELLOW='\033[38;5;220m'
GREEN='\033[0;32m'
BLUE='\033[0;36m'
GREY='\033[38;5;237m'

# default values
THRESHOLD_LOW=1
THRESHOLD_MEDIUM=5
THRESHOLD_HIGH=10
RESET_MARK=""
ACTIVE_MODE=false

function usage() {
  if [ -n "$1" ]; then
    echo -e "${RED}👉 $1${CLEAR}\n";
  fi
  echo "Usage: $0 [-l low] [-m medium] [-h high]"
  echo "  -l, --low             Threshold in seconds for low duration color formatting"
  echo "  -m, --medium          Threshold in seconds for medium duration color formatting"
  echo "  -h, --high            Threshold in seconds for high duration color formatting"
  echo "  -r, --reset-mark      String match to reset total counter"
  echo "  -[n]a, --[no]-active  Don't parse date, but instead use date when reading line"
  echo ""
  echo "Example: $0 --low 10 --medium 30 --high 60 --reset-mark \"--- Step: \w* ---\""
  exit 1
}

# parse params
while [[ "$#" > 0 ]]; do case $1 in
  -l|--low) THRESHOLD_LOW="$2";shift;shift;;
  -m|--medium) THRESHOLD_MEDIUM="$2";shift;shift;;
  -h|--high) THRESHOLD_HIGH="$2"; shift;shift;;
  -r|--reset-marks) RESET_MARK="$2"; shift;shift;;
  -a|--active-mode) ACTIVE_MODE=true; shift;shift;;
  -na|--no-active-mode) ACTIVE_MODE=false; shift;;
  *) usage "Unknown parameter passed: $1"; shift; shift;;
esac; done

# verify valid params
if ! [ "$THRESHOLD_LOW" -eq "$THRESHOLD_LOW" ] 2>/dev/null; then usage "Low threshold is not a number"; fi;
if ! [ "$THRESHOLD_MEDIUM" -eq "$THRESHOLD_MEDIUM" ] 2>/dev/null; then usage "Medium threshold is not a number"; fi;
if ! [ "$THRESHOLD_HIGH" -eq "$THRESHOLD_HIGH" ] 2>/dev/null; then usage "High threshold is not a number"; fi;

function seconds() {
  echo "$@" | sed 's/^/((/; s/:/)*60+/g' | bc
}

function seconds_between() {
  echo "$(seconds $2)-$(seconds $1)" | bc
}

function color_for_duration() {
  if [ $1 -ge $THRESHOLD_HIGH ]; then
    echo $RED
  elif [ $1 -ge $THRESHOLD_MEDIUM ]; then
    echo $ORANGE
  elif [ $1 -ge $THRESHOLD_LOW ]; then
    echo $YELLOW
  else
    echo $GREY
  fi
}


first_date=""
last_date=""
total_diff="0"
while read -s -r -e; do
  if $ACTIVE_MODE; then
    date=$(gdate +%H:%M:%S)
  else
    date=$(echo $REPLY | grep -o "\[\d\d:\d\d:\d\d\]: " | grep -o "\d\d:\d\d:\d\d" | head -1)
  fi
  if [[ ! -z $RESET_MARK ]] && echo "$REPLY" | grep -q "$RESET_MARK"; then
    first_date=""
    echo -e "${BLUE}Reseting timer -----------$CLEAR"
  fi
  if [ "$date" != "" ]; then
    if [ "$first_date" = "" ]; then
      first_date="$date"
    fi
    if [ "$last_date" = "" ]; then
      last_date="$date"
    fi
    last_diff=$(seconds_between $last_date $date)
    total_diff=$(seconds_between $first_date $date)
    color=$(color_for_duration $last_diff)
    format=$(printf "$color%-14s$CLEAR $GREY= %-12s$CLEAR" "+ $last_diff seconds" "$total_diff seconds")
    echo -e "$format $REPLY"
    last_date="$date"
  else
    color=$(color_for_duration 0)
    format=$(printf "$GREY%-14s$CLEAR $GREY= %-12s$CLEAR" "+ 0 seconds" "$total_diff seconds")
    echo -e "$format $REPLY"
  fi
done

output

+ 0 seconds    = 0 seconds      [09:06:04]: --- Step: team_name ---
+ 0 seconds    = 0 seconds      [09:06:04]: -----------------------
+ 0 seconds    = 0 seconds      [09:06:04]: Setting Team Name to 'Agens AS' for all build steps
+ 0 seconds    = 0 seconds      [09:06:04]: -----------------------
Reseting timer -----------
+ 0 seconds    = 0 seconds      [09:06:04]: --- Step: cocoapods ---
+ 0 seconds    = 0 seconds      [09:06:04]: -----------------------
+ 0 seconds    = 0 seconds      [09:06:04]: $ pod install
+ 1 seconds    = 1 seconds      [09:06:05]: ▸ Analyzing dependencies
+ 14 seconds   = 15 seconds     [09:06:19]: ▸ Downloading dependencies

shell

cat ~/Downloads/slow.txt | ./fastlane-diff.sh -l 1 -m 2 -h 10 -r "Step:"
bundle exec fastlane build | ./fastlane-diff.sh -r "Step:"