#!/bin/sh

pressAnyKey="Press any key to continue"
pressAnyKeySpaces=`echo $pressAnyKey | sed 's/./ /g'` 
(git log --pretty="format:%H %s"; echo) | tac | while read line; do 
    hash=`echo $line | cut -d' ' -f1`; 
    message=`echo $line | cut -d' ' -f2-`; 
    git checkout -q $hash; 
    echo $message;  
    printf "$pressAnyKey\r"
    read -s -n 1 <&1; 
    printf "$pressAnyKeySpaces\r"
    git switch - -q; 
done