SVN -> GIT

convert.sh

#!/bin/bash -eu

svn_repo_url=$1
git_repo_path=$2
git_repo_name=$3
git_repo_desc=$4
git_repo_owner=$5

# If something wasn't removed by a previous job
rm -rf $SWF_TMP_DIR/$git_repo_name.git

# Create the target repository
git init --bare --shared $SWF_TMP_DIR/$git_repo_name.git
cd $SWF_TMP_DIR/$git_repo_name.git; 
git symbolic-ref HEAD refs/heads/trunk;
git config http.receivepack true
git config user.name "SWF Team"
git config user.email exo-swf@exoplatform.com
git --bare update-server-info
cp $SWF_TMP_DIR/$git_repo_name.git/hooks/post-update.sample $SWF_TMP_DIR/$git_repo_name.git/hooks/post-update
chmod a+x $SWF_TMP_DIR/$git_repo_name.git/hooks/post-update

# Clone the original Subversion repository to a temp repository.
git svn clone --stdlayout --quiet --no-metadata --authors-file $authors_file --authors-prog=${SWF_BASE_DIR}/bin/svn-lookup-author.sh $svn_repo_url $SWF_TMP_DIR/$git_repo_name.svn;

cd $SWF_TMP_DIR/$git_repo_name.svn; 

# Create .gitignore file.
echo "Converting svn:ignore properties into .gitignore." >&2;
git config user.name "SWF Team"
git config user.email exo-swf@exoplatform.com
echo "#" >> .gitignore;
echo "# Ignores generated by SVN2GIT conversion" >> .gitignore;
echo "#" >> .gitignore;
echo "" >> .gitignore;
git svn show-ignore --id trunk >> .gitignore;
cat ${SWF_BASE_DIR}/etc/${SWF_NAME}/default.gitignore >> .gitignore;
git add .gitignore;
git commit --author='SWF Team <exo-swf@exoplatform.com>' -m 'Convert svn:ignore properties to .gitignore.';

# Push to final bare repository and remove temp repository.
git remote add bare $SWF_TMP_DIR/$git_repo_name.git;
git config remote.bare.push 'refs/remotes/*:refs/heads/*';
git push bare;

# Push the .gitignore commit that resides on master.
git push bare master:trunk;

cd -
rm -rf $SWF_TMP_DIR/$git_repo_name.svn;

cd $SWF_TMP_DIR/$git_repo_name.git;
# Rename Subversion's "trunk" branch to Git's standard "master" branch.
git branch -m trunk master;

# Remove bogus branches of the form "name@REV".
git for-each-ref --format='%(refname)' refs/heads | grep '@[0-9][0-9]*' | cut -d / -f 3- | while read ref; do 
  git branch -D "$ref"; 
done

# Convert git-svn tag branches to proper tags.
git for-each-ref --format='%(refname)' refs/heads/tags | cut -d / -f 4 | while read ref; do 
  git tag -a "$ref" -m "Convert "$ref" to proper git tag." "refs/heads/tags/$ref"; 
  git branch -D "tags/$ref"; 
done

# Call GC to manual clean/compress the repo
git gc --aggressive --prune=now;

cd -

if [ ! -e $git_repo_path ]; then
  mkdir -p ${GIT_REPOS_DIR}/$git_repo_path
fi;

mv $SWF_TMP_DIR/$git_repo_name.git ${GIT_REPOS_DIR}/$git_repo_path

rm -f $authors_file