Update all repositories (SVN, GIT, Mercury, etc.)

update_all_repos.sh

#!/bin/bash
#title           :mkscript.sh
#description     :This script will make a header for a bash script.
#author		 :bgw
#date            :20111101
#version         :0.4    
#usage		 :bash mkscript.sh
#notes           :Install Vim and Emacs to use this script.
#bash_version    :4.1.5(1)-release
#==============================================================================

# store the current dir
CUR_DIR=$(pwd)

# Let the person running the script know what's going on.
echo "\n\033[1mPulling in latest changes for all repositories...\033[0m\n"

# Find all git repositories and update it to the master latest revision
for i in $(find . -name ".git" | cut -c 3-); do
    echo "";
    echo "\033[33m"+$i+"\033[0m";

    # We have to go to the .git parent directory to call the pull command
    cd "$i";
    cd ..;

    # finally pull
    git pull origin master;

    # lets get back to the CUR_DIR
    cd $CUR_DIR
done

echo "\n\033[32mComplete!\033[0m\n"

Script should be used over master directory to update all source code repositories (I have about 300 on my drive...) to latest version by using relevant subsystem - GIT, SVN, HG, etc..