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Do I need to have git backup

+1 vote
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All the git repositories are on one git server in specific directory.
I would like to know what I need to backup in order to be able to make a success restore, in case my disk on the git server will crushed.

I would like to understand, after the user run on his local workstation 'git init / add / commit / push' all the information was copied to the git server and the local directory in the local workstation can be removed?

I can see somehow the name of the files and their content in the git repository that saved on the git server?

posted Oct 15, 2013 by Jai Prakash

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1 Answer

+1 vote

Depends on how you define "all the information": contrary to centralized systems, in Git, pushing is a voluntary act -- just like sharing, -- where the one who shares decides what they want to share. In the case of Git, a developer chooses which bits of their local commit graphs to send, and which objects to update with them.

Specifically:
* If you have recorded 10 commits on top of your local branch "X" which tracks a remote branch, you're not required to update the branch being tracked with all those 10 commits -- you might send, say, just the first three of them.
* Tags are not pushed unless git push is explicitly told to do that, and the tags to send are specified. Notes are not sent as well.
* New local branches are not pushed unless git push is told to do so.

On the other hand, what's sent, is sent completely and with all the dependent objects, so if someone pushes a commit into the repository, you can be sure everything this commit references in the repository it
has been created in, is also sent.

Note that what I have just described -- the freedom of the owner of a local repository in what they share -- is just a property of a DVCS you have to live with. But what ends up in your centralized ("shared") repository is self-consistent, and you can safely back it up.

What's pushed when a developer simply runs git push or git push in their repository is another story completely as it depends on a number of details. If you're interested about this, ask away.

I can see somehow the name of the files and their content in the git repository that saved on the git server?

Yes: the regular Git commands for inspecting the commit graphs work in bare repositories just as well as they do in "normal" ones.

answer Oct 15, 2013 by Anderson
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