#!/bin/bash
# Reference: written following http://john.albin.net/git/convert-subversion-to-git

SOFTWARE=$1

if [ -z $SOFTWARE ]; then
	echo "Missing software to convert..."
fi

if [ ! -f authors-transform.txt ]; then
# STEP 1: Create an author listi
echo 'OK'
svn log -q http://svn.mandriva.com/svn/soft | awk -F '|' '/^r/ {sub("^ ", "", $2); sub(" $", "", $2); print $2" = "$2" <"$2"@mandriva.org>"}' | sort -u >> authors-transform.txt
#vim authors-transform.txt
fi

# STEP 2: Import in git
git svn clone http://svn.mandriva.com/svn/soft/$SOFTWARE --no-metadata -A authors-transform.txt --stdlayout temp

# STEP 3: Convert svn:ignore properties to .git ignore
cd temp
git svn show-ignore > .gitignore
git add .gitignore
git commit -m 'Convert svn:ignore properties to .gitignore.'
cd ..

# STEP 4: Create a bare repository
git init --bare new-bare.git
cd new-bare.git
git symbolic-ref HEAD refs/heads/trunk
cd ..

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

# STEP 5: Rename trunk to master
cd new-bare.git
git branch -m trunk master
cd ..

# STEP 6: Cleanup branches and tags
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
cd ..

mv new-bare.git $SOFTWARE.git


# CLEANUP
mv  temp $SOFTWARE-origin

exit 0