Untitled

#! /bin/bash

#guarantee you are in the directory you are in (src: http://stackoverflow.com/a/246128)
cd -P "$(dirname "$0")"


# basically traverse down all directories until you run across a
# .git/.svn/.hg directory, then update/pull the directory (stop traversing)

#updaterepo <folder type found> <path name to display>
updaterepo()
{
        echo "$(tput setaf 2)Updating repository: $(tput setaf 3)$2$(tput sgr0)"

        case "$1" in
        ".git/")
                        # check if git repo is of git-svn type (src: http://stackoverflow.com/a/9086279)
                        if [ -d .git/svn  ] && [ x != x"$(ls -A .git/svn/)" ]
                        then
                                git svn rebase
                        else
                                git pull
                        fi
                        ;;
        ".svn/")        svn update;;
        ".hg/")         hg update;;
        esac
        echo
}

#traverses directories looking for .git, .svn, .hg folders (src: http://steve-parker.org/sh/eg/directories)
#traverse <folder to enter> <path name to display>
traverse()
{
        cd "$1"

        vc=0
        # get all directories in current dir starting with '.'
        # without . & .. (must have 2-3 chars after the '.')
        for dir in $(ls -d .*/ | grep -P -e "^\..{2,3}/$")
        do
                case "$dir" in
                ".git/"|".svn/"|".hg/")
                        vc=1
                        updaterepo "$dir" "$2"
                        ;;
                esac
        done

        #do not enter diretory if it is repo controlled
        if [ 1 -ne "$vc" ]
        then
                for dir in $(ls -d */)
                do
                        traverse "$dir" "$2$dir"
                done
        fi

        cd ..
}

# get the current directory name (src: http://stackoverflow.com/a/1371283)
traverse . "${PWD##*/}/"