#!/bin/bash

# Создание графа коммитов git-репозитория

# This produces output that can be displayed using dotty, for example:
#    $ git graphviz HEAD~100..HEAD~60 | dotty /dev/stdin
#    $ git graphviz --first-parent master | dotty /dev/stdin
# Note how defining a function eliminates the need to use sh -c. 

make_graphviz() {
	echo 'digraph git {'
	git log --pretty='format:  %h -> { %p }' "$@" | sed 's/[0-9a-f][0-9a-f]*/\"&\"/g'
	echo '}'
}

make_graphviz "$@"