Re: why git-reset needed after "cp -a" of a git repo?

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On Wed, 2007-08-22 at 13:57, Erez Zadok wrote:

> However, I noticed that after I copy a git repo (using v1.5.2.2), the index
> entries are all out of sync, and I need to run git-reset.  Why?  What's in
> the index file that changes after a cp -a or rsync that git depends on?  Is
> it atime's and if so, aren't they copied by cp -a or rsync?  If it depends
> on atime's, what happens if I mount my filesystem with noatime?  Or does
> git's index depends on inode numbers which change after a cp -a?  (BTW, I
> tried a variety of rsync options and none helped.)  I also briefly looked at
> the source code and wasn't able to find the answer.
> 
> So, is there a way to efficiently copy a git repo on a local or remote host
> w/o having to rerun git-reset afterwards?


Use "git update-index --refresh" to update time stamps in the index.

jdl


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