generate_git_repository_of_tree.sh

#!/usr/bin/env bash
# -*- coding: utf-8 -*-

# Download directory
DOWNLOAD=~/Downloads/tree

# create a tree directory
mkdir tree
cd tree

# create a repository which contains v1.1
git init
echo '*.o' > .gitignore
echo 'tree' >> .gitignore
## decompress tree
tree_tar_file=tree-1.1.tgz
tree_tar_file_without_extension=${tree_tar_file%.tgz}
mkdir -p /tmp/${tree_tar_file_without_extension}/
tar zxvf ${DOWNLOAD}/${tree_tar_file} -C /tmp/${tree_tar_file_without_extension}/
## copy to git repository
mv /tmp/${tree_tar_file_without_extension}/${tree_tar_file_without_extension%b*}/* .
rm -rf /tmp/${tree_tar_file_without_extension}/
## commit to repository
git add .
git commit -m "Add ${tree_tar_file_without_extension}"
git tag v1.1

# commit tree <v1.2
for tree_tar_file in tree-1.2.tgz tree-1.3.tgz tree-1.4b1.tgz tree-1.4b2.tgz tree-1.4b3.tgz tree-1.5.0.tgz tree-1.5.1.1.tgz tree-1.5.1.2.tgz tree-1.5.2.tgz tree-1.5.2.1.tgz tree-1.5.2.2.tgz tree-1.5.3.tgz tree-1.6.0.tgz tree-1.7.0.tgz tree-1.8.0.tgz tree-2.0.0.tgz tree-2.0.1.tgz; do
  # remove all files
  rm -rf *
  # decompress tree
  tree_tar_file_without_extension=${tree_tar_file%.tgz}
  mkdir -p /tmp/${tree_tar_file_without_extension}/
  tar zxvf ${DOWNLOAD}/${tree_tar_file} -C /tmp/${tree_tar_file_without_extension}/
  # copy to git repository
  mv /tmp/${tree_tar_file_without_extension}/${tree_tar_file_without_extension%b*}/* .
  rm -rf /tmp/${tree_tar_file_without_extension}/
  # commit to repository
  git add .
  git commit -m "Update to ${tree_tar_file%.tgz}"
  git tag v${tree_tar_file_without_extension#tree-}
done