#! /bin/sh

if [ -z "$1" ]; then
   echo "Usage: $0 svn_url [dir]" >&2
   exit 1
fi

url="$1"

if [ ! -f authors.txt ]; then
   echo "Run \"get-authors $1\" first" >&2
   exit 2
fi

if [ -z "$2" ]; then
   dir="`basename $url`"
else
   dir="$2"
fi

if [ -z "$dir" ]; then
   echo "Usage: $0 svn_url [dir]" >&2
   exit 1
fi

# init + fetch
git svn clone "$url" --authors-file=authors.txt --stdlayout "$dir" &&
cd "$dir" &&

# fix references
cp -rf .git/refs/remotes/tags/* .git/refs/tags/ &&
rm -rf .git/refs/remotes/tags
cp -rf .git/refs/remotes/* .git/refs/heads/ &&
rm -rf .git/refs/remotes

# convert svn:ignore to .gitignore
git svn create-ignore &&
git commit -m "Add .gitignore" &&

# preserve authors.txt
cp -p ../authors.txt .git/info &&
git config --local --path svn.authorsfile .git/info/authors.txt

git svn gc &&
git gc --aggressive &&
echo "Cloned from $url using git-svn" >.git/description &&
exec "${VISUAL:-${EDITOR:-vi}}" .git/description