Run this inside svn checkout to create a authors template for git svn clone

svnauthormapping.sh

#!/usr/bin/env bash

# From http://technicalpickles.com/posts/creating-a-svn-authorsfile-when-migrating-from-subversion-to-git/

authors=$(svn log -q | grep -e '^r' | awk 'BEGIN { FS = "|" } ; { print $2 }' | sort | uniq)
for author in ${authors}; do
  echo "${author} = NAME <USER@DOMAIN>";
done

echo "# Now run git svn --authors-file=path/to/authors_file clone SVN_REPO_URL LOCAL_DIR"