Preserving timestamps with git
still.another.person at gmail.com
Fri May 28 00:49:13 CEST 2010
Can you explain (or give a simple example) why you need the timestamps
to be "correct".
After moving to a versioned homedir (and getting my mind around what
that means) I've never worried about the revision time of my files. I
just knew they were either the most recent version or a particular
version for a particular reason.
I can understand the need for other metadata (file perms for .ssh for
example) but not file date. Perhaps I'm missing something huge that
will make my life easier...
On 5/27/10, Jakob Voss <jakob.voss at gbv.de> wrote:
> I started to move the content of my home directory to git repositories
> and stumbled upon a difficult difference between rsync and git: git does
> not preserve timestamps. This makes sense for code-repositories but if I
> replicate my home directory I expect that modification times are not
> always set to the current time.
> I found this useful script (which I called 'git-utime') to set
> modifcation times to the timestamp of the commit which last touched a
> file. As far as I understand this is the best we have because git does
> not store the original timestamp when a file is commited (right?):
> I bet there is some hook to install the script to be called on every
> pull - I think of a .gitutime file like .gitignore that selects all
> files that should get their original timestamp. If some of you already
> have such a system please let me know!
> But git-utime is only one side of the process. How do I
> 1) reset the commit time of selected files in the repository to their
> last modification timestamp (for the files that I have already commited)
> 2) add and commit a set of files in a batch such that each commit has
> the timestamp of the last modification time of its file (for new files).
> Obviously each commit must be only one file. The commit message could
> just be "initial commit" or "initial commit at `date --rfc-3339=s`".
> Maybe by some additional git magic the .gitutime could be reused to give
> a warning if I try to add a new file that the normal way which would
> makes it impossible to preserve timestamp.
> How do you deal with timestamp of you files? I heard there are some
> hacks to even preserve file permissions but I'd prefer a simple solution
> Jakob Voß <jakob.voss at gbv.de>, skype: nichtich
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