#!/bin/sh

set -e

if test x"$1" != x ; then
  cd $1
fi

if [ ! -d ".hg" ]; then
    echo "${1:-.} is not a mercurial repository" 1>&2
    echo "Aborting" 1>&2
    exit 1
fi
if [ ! -d ".git" ]; then
    mkdir -v ".git"
fi
if [ -e ".git/HEAD" ]; then
    if [ ! -e ".git/HEAD.hg-viz-save" ]; then
        mv -v ".git/HEAD" ".git/HEAD.hg-viz-save"
    else
        rm -vf ".git/HEAD"
    fi
fi
hg history | head -1 | awk -F: '{print $3}' > .git/HEAD
git-viz