Reporting Bug in Git Version Control System

> Hello,
> I have two accounts on github("yj291197" and "yaki29").
> Both the accounts have different gmail IDs("yj291197@gmail.com" and
> "yashjain.lnm@gmail.com" respectively) but same passwords.
> I used to use git for "yj291197" account and a few days earlier I made
> this new account and used git commit to commit on "yaki29" but it
> appeared as "yj291197" committed on "yaki29's" repo.
> Then I pulled a request of that commit then it appeared "yaki29"
> pulled a request with a commit of "yj291197".
>
>
>
> And during this whole session I was signed in as "yaki29" on github.com .
>
>
> Please reply ....

> On Mon, Oct 24, 2016 at 7:28 AM, Yash Jain <yashjain.lnm@gmail.com> wrote:
>> Hello,
>> I have two accounts on github("yj291197" and "yaki29").
>> Both the accounts have different gmail IDs("yj291197@gmail.com" and
>> "yashjain.lnm@gmail.com" respectively) but same passwords.
>> I used to use git for "yj291197" account and a few days earlier I made
>> this new account and used git commit to commit on "yaki29" but it
>> appeared as "yj291197" committed on "yaki29's" repo.
>> Then I pulled a request of that commit then it appeared "yaki29"
>> pulled a request with a commit of "yj291197".
>>
>> And during this whole session I was signed in as "yaki29" on github.com .
>>
>
> This is a Github issue, so ask Github support.
>
> Or read up on .mailmap files.

> Stefan Beller <sbeller@google.com> writes:
>
>> On Mon, Oct 24, 2016 at 7:28 AM, Yash Jain <yashjain.lnm@gmail.com> wrote:
>>> Hello,
>>> I have two accounts on github("yj291197" and "yaki29").
>>> Both the accounts have different gmail IDs("yj291197@gmail.com" and
>>> "yashjain.lnm@gmail.com" respectively) but same passwords.
>>> I used to use git for "yj291197" account and a few days earlier I made
>>> this new account and used git commit to commit on "yaki29" but it
>>> appeared as "yj291197" committed on "yaki29's" repo.
>>> Then I pulled a request of that commit then it appeared "yaki29"
>>> pulled a request with a commit of "yj291197".
>>>
>>> And during this whole session I was signed in as "yaki29" on github.com .
>>>
>>
>> This is a Github issue, so ask Github support.
>>
>> Or read up on .mailmap files.
>
> I am (obviously) not a GitHub support, but I think the confusion is
> coming from not understanding who the committer and the author of a
> commit are and where they are coming from.  They are both recorded
> locally, taken from user.name and user.email configuration variables
> when the commits are made.  "git push" to propagate them to GitHub
> will NOT change these values of a commit, once a commit is created.
>
> The story described looks quite consistent if the user has
> yj291197@gmail.com configured as user.email and kept making commits
> in the local repository, and pushed them to either yj291197 or yaki29
> accounts at GitHub, without ever changing the local configuration to
> use the other e-mail address.  All commits would record the user and
> e-mail address yj291197, and the only one that may be attributed to
> the new one yaki29 would be the automerge created at GitHub when a
> pull request is responded on-site without first fetching and making
> a merge locally.

> Hey Yash,
> 
> Junio has explained the problem very well. Since you seem to be a
> beginner (guessing purely by your email) I will tell you how to fix
> it.
> 
> Remember when you would have first installed git, you would have done
> something like `git config --global user.name <what ever name>` and
> `git config --global user.email <what ever email>`, it gets
> permanently stored in the git configuration file (~/.gitconfig). Now
> all the commits in git are made with this name and email. If you want
> to change this, again run the above commands with your new name and
> email. After that commits will be done with a different name and
> email. Hope this helps! :)