Re: [GSoC] Hello Git

[ZheNing Hu <adlternative@gmail.com>]

Jiang Xin <worldhello.net@gmail.com> 于2021年5月19日周三 下午3:19写道：
>
> > I'm ZheNing Hu, I am very lucky to participate in the GSoC
> > git project this year. Many people in the git community already
> > have given me a lot of help in the past few months.
> > Junio, Christian, Peff, Eric, Denton..., it's great to get along with
> > you guys! Your review and guidance have greatly benefited
> > my growth.
>
> I admire you so much that you can join the open source community at a
> very young age. I will continue to offer my help both online and
> offline, in your favorite language (Chinese of course).
>

Participating in open source is a very fun thing! Thanks for your help haha!

> > In these days before GSoC, I learned some simple command
> > implementation and data structures of git, learned strict coding
> > standards and learned how to test, More importantly, I learned how
> > to communicate with these kind-hearted reviewers.
> >
> > Of course, there are still many difficulties for me:
> > * My poor English sometimes can’t express the meaning clearly.
>
> There are too many differences between English and Chinese, but don't
> worry. Remember, practice is perfect. You can also practice your
> English by reviewing Git l10n in Chinese, see: "po/README.md".
>

I have noticed that the language translation comparison table is in *.po,
which really helps me a lot sometimes.

> > ### The connection between Git and the file system
> >
> > I am currently studying operating system course, git as a
> > file system on top of the file system.
> > There are many differences and similarities with ordinary
> > file systems. I am very curious about this knowledge, do
> > not know if there are any relevant reading materials?
>
> Git objects are stored in ".git/objects" directory in two forms: loose
> object and packfile.  These two types of files are deflated in zlib
> format. In order to increase the speed of traversing these objects in
> this object store, many meta files are created. For example, index
> files and reverse index files for packfiles, bitmap file, commit-graph
> files, etc.
>
> Docs for these files:
>
>  * Documentation/technical/pack-format.txt
>  * Documentation/technical/index-format.txt
>  * Documentation/technical/chunk-format.txt
>  * Documentation/technical/multi-pack-index.txt
>  * Documentation/technical/bitmap-format.txt
>  * Documentation/technical/commit-graph-format.txt
>  * Documentation/technical/commit-graph.txt
>

This is what I want to know: how git objects are stored!
This can help me understand git itself at a deeper level.

> --
> Jiang Xin

Thanks!
--
ZheNing Hu