Re: Feature request: Allow extracting revisions into directories

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On Sun, Feb 03, 2013 at 03:18:05PM +0100, Robert Clausecker wrote:

> git currently has the archive command that allows to save an arbitrary
> revision into a tar or zip file. Sometimes it is useful to not save this
> revision into an archive but to directly put all files into an arbitrary
> directory. Currently this seems to be not possible to archive directly;
> the only way I found to do it is to run git archive and then directly
> unpack the archive into a directory.
> 
>     git --git-dir REPO archive REVISION | tar x
> 
> It would be nice to have a command or simply a switch to git archive
> that allows the user to put the files of REVISION into a directory
> instead of making an archive.

You could use plumbing commands combined with a throwaway custom index
file and a separate work tree which will receive the tree at REVISION:

export GIT_WORK_TREE=/path/to/dest/directory
export GIT_DIR=/path/to/repo/.git
export GIT_INDEX_FILE="$GIT_WORK_TREE/.index"
git read-tree REVISION
git checkout-index -a
rm -f "$GIT_INDEX_FILE"

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