How is this different from git clone with --mirror option ?
On Thursday, December 17, 2015 at 9:46:23 PM UTC+5:30, Konstantin Khomoutov
> On Thu, 17 Dec 2015 04:40:34 -0800 (PST)
> > I am looking for a mechanism to completely backup my git repository .
> > The final goal is to take a backup on Tape . I know we have many
> > alternatives like creation of a git bundle or git archive ,
> > but could you please suggest the best way wherein all references
> > ( remote branchs, tags ) are also preserved .
> git init --bare foo.git
> cd foo.git
> git fetch $source_repo_url 'refs/*:refs/*'
> The last encantation uses the so-called "refspec" which instructs Git
> to fetch everything from the source repo and re-create the same refs
> (heads, tags, notes, whatever else there might be) in the local repo.
> The resulting repo can then be backed up to tape.
> If you don't want to re-clone each time, the step (1) should be done
> only once and the two remaining steps should be repeated before each
> backup takes place and look like this:
> cd foo.git
> git fetch $source_repo_url '+refs/*:refs/*'
> Notice the '+' char in the "refspec": it tells Git to forcibly replace
> everything in the local repo which would otherwise produce a conflict.
> If this for some reason might matter to you, you might augment the
> fetching operation with repacking the repository using
> git gc --aggressive
> which will move most of the "loose" objects into the so-called "pack
> files". On slower filesystems (such as NTFS) this might speed up
> copying a bit. But I'm skeptical about whether this would be
> really noticeable.
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