Here are some `.bashrc` shortcuts I use for BCompare:

```
alias bdiff='git difftool --dir-diff'
alias bcdiff='git difftool --dir-diff --cached'
alias bhdiff='git difftool --dir-diff head~1'

function pdiff() {
    git diff $1~1 $1
}

function bpdiff() {
    bdiff $1~1 $1
}
```