em5u_freecad/.rezip

FreeCad document handing with git example

FreeCad stores its douments compressed in zip file format. This makes git's delta compression actually unusable as all the document revisions will be totally different. Unfortunately the freecad documant loader implemantation heavily depends on the availability of some "files" being available at the beginning of the archive, so simply unzipping the document and rezipping with 0 compression level will not work.

The supplied rezip.zh script unzips a zip archive into the temp folder and rezips it retaining the order of the files in the original archive, using an user specified compression level (0 by default).

This repository serves as an example for setting up a git repo to recompress the .FCStd files during commit with 0 compression level, gicing a chance to go git to store the changes more efficiently.

Usage

• Make sure that zip and unzip commands are available on your system.
• Copy the folder containing this document to the root of your hit repo, as "rezip".
  cp -r <path/to/.rezip> <your/git/tepository/
• Append the content of the file config to your repository's .git/config file.
  cd <your/git/tepository/
cat .rezip/config >>.git/config
• Copy gitattributes to the root of your repository as .gitattributes:
  cp .rezip/gitattributes .gitattributes
• Add the recently created files to your git repository
  git add .rezip .gitattributes
git commit -m "Add FreeCad rezip"