maligree · August 29, 2015 13:56
diff --git a/context.sh b/context.sh
 MY_OLD_PWD=""
 MY_ALIASES=""

 function load_aliases() {
    if [ "${PWD}" != "${MY_OLD_PWD}" ]; then
        echo "PWD differs"
        MY_OLD_PWD="${PWD}"

        for NAME in ${MY_ALIASES}; do
            unalias "${NAME}"
        done
        MY_ALIASES=""
        ALIAS_FILE=".aliases"

        # Traverse the tree upwards to find a suitable .aliases file.
        d=`pwd`;
        while [ "$d" != "/" ]; do
            if [ -f "$d/$ALIAS_FILE" ]; then
                # Found it, read it in.
                echo "Found in $d";
                while read LINE; do
                    echo "Setting $LINE";
                    NAME=$(echo ${LINE} | perl -pe  's|=.*||')
                    VALUE=$(echo ${LINE} | perl -pe  's|.*?=||')
                    if [ -n "$MY_ALIASES" ]; then
                        MY_ALIASES="${MY_ALIASES} ${NAME}"
                    else
                        MY_ALIASES="$NAME"
                    fi

                    alias "${NAME}=${VALUE}"
                done < "$d/${ALIAS_FILE}"
                break
            fi;
            d=`dirname "$d"`
        done
    fi
 }

 if [ -n "$BASH_VERSION" ]; then
    export PROMPT_COMMAND=load_aliases
 elif [ -n "$ZSH_VERSION" ]; then
    if [ -z "$chpwd_functions" ]; then
        chpwd_functions=($(chpwd_functions[@]) "load_aliases")
    else
        chpwd_functions=("load_aliases")
    fi
 fi