Re: git ready: daily git tips

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Hi,

On Tue, 10 Feb 2009, Sitaram Chamarty wrote:

> On 2009-02-09, Nicolas Pitre <nico@xxxxxxx> wrote:
> > On Sun, 8 Feb 2009, Nick Quaranto wrote:
> >> http://gitready.com
> >
> > Well done.
> >
> > One topic that IMHO you fail to cover, and which is being neglected 
> > almost everywhere else too, is the reflog.
> >
> > The reflog is really your safety net when working with git.  It records 
> > everything you do. So even if you screw up a rebase, perform the wrong 
> > merge, or any other kind of undesired operation, then you may always go 
> > back to a previous state.  Either you use -g with 'git log' to see all 
> > those recorded states, or even 'git reflog' without any argument to get 
> > a condensed list for HEAD.
> >
> > The <branch>@{<spec>} notation can be used anywhere a ref is normally 
> > required.  The special branch "HEAD" shows every state the HEAD pointer 
> > went through, including branch switches.  The <branch< part can be left 
> > out to mean "currently checked-out branch".
> >
> > One thing that I use all the time after a 'git pull' is 'git log @{1}..' 
> > where "@{1}" means the first previous tip of the current branch, so 
> > effectively showing me the log of what the pull brought in my branch.
> 
> Also, the @{now} notation to get a relative timestamp of the
> reflog is invaluable.  Seeing reflog lines annotated with
> '14 minutes ago' or '17 hours ago' or perhaps '4 days ago',
> really helps to focus on the commits you're looking for:
> 
>     git reflog show @{now}
>     # (the 'show' is not optional in this syntax)

Yes, I often use "git log -g --date=relative" to get a better 
understanding of my recent actions in that particular repository.

Also do not forget to advertise the new @{-<n>} notation for the n-th last 
branch you were on (to be part of 1.6.2 AFAIU).  This comes in really 
handy when you juggle a dozen branches (and happen to commit to the wrong 
branch ;-)

Ciao,
Dscho

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