Re: [git-users] adding a remote on a private branch.

2015-07-22 Thread dexter ietf
Does it work even if the original cloned branch is off of (P),
i'm just trying to understand how and why this can work.

(Ma) is Machine A
(Mb) is Machine B

(P) - parent branch

Ma - clone P, call it Pa
 - create private branch Pva in the same tree,  i want to set the 
remote as (Pb)

Mb - Clone P, call it Pb

I'm just trying to understand if the above is valid configuration ? thanks 
a lot for your help.

On Tuesday, July 21, 2015 at 8:07:13 PM UTC+5:30, Magnus Therning wrote:

 On Mon, Jul 20, 2015 at 11:51:10PM -0700, dexter ietf wrote: 
  Hi, 
  
  i want to add a remote for a private branch. i have a parent 
  repository call it (P).  and two clones of P on different machines 
  (a) and (b), call it Pa and Pb.  now in machine (a) i want to create 
  a private branch tracking Pb, how do i go about achieving this, any 
  help is appreciated.. thanks! 

 Add the remote using `git remote add ...`, then use `git fetch name 
 of remote` to get the changesets, and then just check out the branch 
 you want using `git checkout --track name of remote branch`. 

 You should find this information easily in any online git tutorial, 
 e.g. here http://git-scm.com/book/en/v2/Git-Branching-Remote-Branches 

 /M 

 -- 
 Magnus Therning  OpenPGP: 0xAB4DFBA4 
 email: mag...@therning.org javascript:   jabber: mag...@therning.org 
 javascript: 
 twitter: magthe   http://therning.org/magnus 

 The British have the perfect temperament to be hackers--technically 
 skilled, slightly disrespectful of authority, and just a touch of 
 criminal behavior. 
  -- Mary Ann Davidson, Oracle's Security Chief 


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Re: [git-users] adding a remote on a private branch.

2015-07-22 Thread Konstantin Khomoutov
On Tue, 21 Jul 2015 23:00:23 -0700 (PDT)
dexter ietf dexter.i...@gmail.com wrote:

 Does it work even if the original cloned branch is off of (P),
 i'm just trying to understand how and why this can work.
 
 (Ma) is Machine A
 (Mb) is Machine B
 
 (P) - parent branch
 
 Ma - clone P, call it Pa
  - create private branch Pva in the same tree,  i want to set the 
 remote as (Pb)
 
 Mb - Clone P, call it Pb
 
 I'm just trying to understand if the above is valid configuration ?
 thanks a lot for your help.

I'm afraid you might have terminological issues here: you can't clone
branches, you can only clone entire repositories (containing branches).

As to whether a branch might track any other *arbitrary* branch -- the
answer is yes.  Git, on purpose, pays absolutely no attention to the
source of the information it manages: the only think it's concerned
with is object names (those string representations of SHA-1 hash
values).  So you might obtain a branch X from a repository A, fork a
local branch L off it and then set your L to track arbitrary branch Y
fetched from a repository B.  X and Y might be the same (in terms of
their history) or may be completely different -- Git does not care;
just in the latter case `git status` et al will tell you your L and Y
are heavily diverged because they contain unrelated disjoint histories.

To understand how Git knows whether two branches are related in terms
of their histories, and how much they are diverged is easy: to get this
information Git uses the same technique as the `git merge-base` command
does, so consider reading its manual page.

As to tracking a branch by another branch, this information is purely
declarative and amounts to a single entry in the .git/config file,
which you will easily be able to locate.

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[git-users] adding a remote on a private branch.

2015-07-21 Thread dexter ietf
Hi,

i want to add a remote for a private branch. i have a parent repository 
call it (P).
and two clones of P on different machines (a) and (b), call it Pa and Pb. 
now 
in machine (a) i want to create a private branch tracking Pb, how do i go 
about
achieving this, any help is appreciated.. thanks!

-dexter

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Re: [git-users] adding a remote on a private branch.

2015-07-21 Thread Magnus Therning
On Mon, Jul 20, 2015 at 11:51:10PM -0700, dexter ietf wrote:
 Hi,
 
 i want to add a remote for a private branch. i have a parent
 repository call it (P).  and two clones of P on different machines
 (a) and (b), call it Pa and Pb.  now in machine (a) i want to create
 a private branch tracking Pb, how do i go about achieving this, any
 help is appreciated.. thanks!

Add the remote using `git remote add ...`, then use `git fetch name
of remote` to get the changesets, and then just check out the branch
you want using `git checkout --track name of remote branch`.

You should find this information easily in any online git tutorial,
e.g. here http://git-scm.com/book/en/v2/Git-Branching-Remote-Branches

/M

-- 
Magnus Therning  OpenPGP: 0xAB4DFBA4 
email: mag...@therning.org   jabber: mag...@therning.org
twitter: magthe   http://therning.org/magnus

The British have the perfect temperament to be hackers--technically
skilled, slightly disrespectful of authority, and just a touch of
criminal behavior.
 -- Mary Ann Davidson, Oracle's Security Chief

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