git command to find merged branch in order of last commit

git_merged_branches_in_date_order.sh

#!/bin/bash

echo -n $'#####################################################\n'
echo -n $'### Find all git branches merged into this branch ###\n'
echo -n $'#####################################################\n'

response=
echo -n $'\nEnter name of the git branch > '
read response
if [ -n "$response" ]; then
    git_branch=$response
fi

git for-each-ref --sort=-committerdate refs/heads/ --format="%(HEAD) %(color:yellow)%(refname:short)%(color:reset)|%(contents:subject)|%(authorname)|%(color:green)%(committerdate:relative)%(color:reset)" --merged $git_branch --color=always | column -t -s "|"

# add more options to list all remote branches as well , also for showing / hiding commit messages

# show commit hash
#git for-each-ref --sort=-committerdate refs/heads/ --format="%(HEAD) %(color:yellow)%(refname:short)%(color:reset)|%(color:red)%(objectname:short)%(color:reset)|%(contents:subject)|%(authorname)|%(color:green)%(committerdate:relative)%(color:reset)" --merged $git_branch --color=always | column -t -s "|"