Export only modified and added files with folder structure in Git

 

I would like to get a list of modified and added files in an specific commit so that I can export them and generate a package with the file structure.

The idea is to get the package and extract it on the server. For many reasons I can't create a hook to pull the repo automatically and the easiest way I have to keep the server updated is generating this package. 

git diff-tree -r --no-commit-id --name-only --diff-filter=ACMRT $commit_id

  • git diff-tree -r $commit_id :

    Take a diff of the given commit to its parent(s) (including all subdirectories, not just the top directory).

  • --no-commit-id --name-only :

    Do not output the commit SHA1. Output only the names of the affected files instead of a full diff.

  • --diff-filter=ACMRT :

    Only show files added, copied, modified, renamed or that had their type changed (eg. file → symlink) in this commit. This leaves out deleted files. 

    • git diff-tree -r --no-commit-id --name-only --diff-filter=ACMRT $commit_id | xargs tar -rf mytarfile.tar

    Just to round this out, here is the command piped to tar. This exports the files into a tar archive.

    Here is a one-line command that works on Windows 7. Run it from your repository's top-level folder.

    for /f "usebackq tokens=*" %A in (`git diff-tree -r --no-commit-id --name-only --diff-filter=ACMRT HEAD~1 HEAD`) do echo FA|xcopy "%~fA" "C:git_changed_files%A"

  • echo FA answers the inevitable xcopy question about whether you're copying a file or a directory (file), and the possible question about overwriting a file (overwrite All)
  • usebackq allows us to use the output from our git command as the input to our do clause
  • HEAD~1 HEAD gets all differences between the previous commit and the current HEAD
  • %~fA transforms the git output into fully qualified paths (needed to change forward slashes to backslashes)
  • C:git_changed_files is where you will find all the files that are different
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