git-update-heads for when you make a git mistake and want latest copy

git-update-heads

#!/bin/bash

function has-branch {
    branch=$1
    git branch --no-color | grep -q " ${branch}$"
}

thisbranch() {
    git branch --no-color | sed -r -n "s/(\* )(.*)/\2/p"
}

greset() {
    git reset --hard origin/${1}
}

resethead() {
    if has-branch "${1}"; then
	git checkout "${1}"
	git fetch
	greset "${1}"
    fi
}

ONBRANCH=`thisbranch`
resethead $ONBRANCH
resethead master
git checkout $ONBRANCH