Very simple script to import from svn repos to an initialised central git repo.

from_svn_to_git.sh

#!/bin/bash

usage()
{
	echo "Usage: $0 <svn_url> <git_url> <svn_authorsfile> [--branches]"
	exit 1
}

create_svn_fetch_dir()
{
	mkdir "${svn_fetch_dir}"
}


track_remote_branches()
{
	for branch in `git branch -a | grep remotes | grep -v HEAD | grep -v master`; do
    	git branch --track ${branch##*/} $branch
	done
}

fetch_from_svn()
{
	echo "Fetching from ${svn_repo_url}"
	cd "${svn_fetch_dir}"
	git svn init "${svn_repo_url}" "${import_branches_and_tags}" --no-metadata
	git config svn.authorsfile "${svn_authors_file}"
	if [ "${import_branches_and_tags}" != "" ]; then
	   git config --add remote.origin.fetch refs/remotes/*:refs/remotes/origin/*
	fi
	git svn fetch
	if [ "${import_branches_and_tags}" != "" ]; then
		track_remote_branches
	fi
	cd ..
}

clone_svn_repo()
{
	echo "Locally cloning repo"
	git clone "${svn_fetch_dir}" "${git_clone_dir}"
	if [ "${import_branches_and_tags}" != "" ]; then
		cd "${git_clone_dir}"
		track_remote_branches
		cd ..
	fi
}

update_git_remotes()
{
	echo "Updating git origin urls"
	cd "${git_clone_dir}"
	git remote add newpush "${git_repo_url}"
	cd ..
}

push_to_remote()
{
	echo "Pushing to origin"
	cd "${git_clone_dir}"
	git push --all newpush
	cd ..
}

cleanup()
{
	echo "Cleaning up"
	rm -rf "${svn_fetch_dir}"
	rm -rf "${git_clone_dir}"
}

echo "Welcome to the SVN -> git import script"

[ $# -lt 3 ] && usage


svn_repo_url="$1"
git_repo_url="$2"
svn_authors_file="$3"
import_branches_and_tags=""
if [ "$4" = "--branches" ]; then
   import_branches_and_tags="--stdlayout"
fi
svn_fetch_dir=${$}_svn_tmp
git_clone_dir=${$}_git

create_svn_fetch_dir
fetch_from_svn
clone_svn_repo
update_git_remotes
push_to_remote
cleanup