Automatic conversion from SVN to GIT

authors.php

function getEmailFromLdap($username)
{ 
 # company specific get from LDAP
	$ldap_con = ldap_connect($ldap_server) or die("Could not connect to server. Error is " . ldap_error($ldap_con));
	$ldap_bd = ldap_bind($ldap_con, $ldap_bind_dn, $ldap_bind_pass) or die("Could not bind to server. Error is " .ldap_error($ldap_con));
	$result = ldap_search($ldap_con, $ldap_base_dn, "(sAMAccountName=$username)") or die ("Error in query");
	$data = ldap_get_entries($ldap_con, $result);
	return strtolower($data[0]['mail'][0]);
}

$authors = file_get_contents('authors-sorted.txt');
$authors = explode("\n", $authors);
$out = "";
foreach ($authors as $a) {	
	if (!empty($a)) {
		echo $a . "\n";
		$email = getEmailFromLdap($a);
		$out .=trim($a).' = '. $a ."<$email>\n";
	}
}

file_put_contents("authors.git.txt", $out);

authors.sh

svn log --xml http://svn.example.com/svn/Shared -r {2011-01-01}:HEAD  | grep \<author | sort -u | sed -e :a -e 's/<[^<]*>/ /g;/</{N;s/\n/ /;ba;}' >> authors.txt
svn log --xml http://svn.example.com/svn/project -r {2011-01-01}:HEAD  | grep \<author | sort -u | sed -e :a -e 's/<[^<]*>/ /g;/</{N;s/\n/ /;ba;}' >> authors.txt
cat authors.txt | sort | uniq > authors-sorted.txt

git-createEmptyRepos.sh

git init  $1.git  --bare --shared=true
	echo "Created repository: $1"
chmod -Rf 775 $1 
}

N=0
cat repos.list | while read LINE ; do
	N=$((N+1))
	crep $LINE
done

git-svn-clone.sh

#!/bin/bash
function crep() {
# create repository
    REV=`svn log --xml http://svn.example.com/svn/$1 -r {2011-01-01} | grep revision | awk -F \" '{print $2}'`
	git svn clone -r $REV:HEAD -s -A authors.git.txt http://svn.example.com/svn/$1
	cd $1
	cp -Rf .git/refs/remotes/* .git/refs/heads/
	rm -Rf .git/refs/remotes
	git remote add origin ssh://git@gitserver.example.com/$1.git
	git push origin --all
	cd ..
	echo "Cloned repository: $1"
}

N=0
cat repos.list | while read LINE ; do
        N=$((N+1))
        crep $LINE
done

repos-list.sh

ssh svn.example.com ls /srv/svn > repos.list.full
grep -v -f repos.blacklist repos.list.full > repos.list

git-svn-clone.sh is used or use gitolite for creating new repositories