Convert SVN repository to Git

step1.sh

svn log -q | awk -F '|' '/^r/ {sub("^ ", "", $2); sub(" $", "", $2); print $2" = "$2" <"$2">"}' | sort -u > authors-transform.txt

step2.sh

git svn clone [SVN repo URL] --no-metadata -A authors-transform.txt --stdlayout ~/temp

step3.sh

cd ~/temp
git svn show-ignore > .gitignore
git add .gitignore
git commit -m 'Convert svn:ignore properties to .gitignore.'

step4a.sh

git init --bare ~/new-bare.git
cd ~/new-bare.git
git symbolic-ref HEAD refs/heads/trunk

step4b.sh

cd ~/temp
git remote add bare ~/new-bare.git
git config remote.bare.push 'refs/remotes/*:refs/heads/*'
git push bare

step5.sh

cd ~/new-bare.git
git branch -m trunk master

step6.sh

cd ~/new-bare.git
git for-each-ref --format='%(refname)' refs/heads/tags |
cut -d / -f 4 |
while read ref
do
  git tag "$ref" "refs/heads/tags/$ref";
  git branch -D "tags/$ref";
done

Complete write-up @ http://justamemo.com/2012/11/09/svn-to-git-repository/