which vcs am i using again?

vcs

#!/bin/sh
# which vcs am i using again?

if [ -e .svn ]
then
    echo "svn"
fi

git rev-parse --is-inside-work-tree > /dev/null 2> /dev/null
if [ 0 -eq $? ]
then
    echo "git"

    git svn info --url > /dev/null 2> /dev/null
    if [ 0 -eq $? ]
    then
        echo "svn"
    fi
fi

hg status > /dev/null 2> /dev/null
if [ 0 -eq $? ]
then
    echo "hg"

    if [ -n "`hg gremote`" ]
    then
        echo "git"
    fi
fi