Re: [PATCH v1 1/2] checkout: factor out functions to new lib file

> Thomas Gummerer <t.gummerer@gmail.com> writes:
> 
> > Factor the functions out, so they can be re-used from other places.  In
> > particular these functions will be re-used in builtin/worktree.c to make
> > git worktree add dwim more.
> >
> > While there add a description to the function.
> >
> > Signed-off-by: Thomas Gummerer <t.gummerer@gmail.com>
> > ---
> >
> > I'm not sure where these functions should go ideally, they don't seem
> > to fit in any existing library file, so I created a new one for now.
> > Any suggestions for a better home are welcome!
> >
> >  Makefile           |  1 +
> >  builtin/checkout.c | 41 +----------------------------------------
> >  checkout.c         | 43 +++++++++++++++++++++++++++++++++++++++++++
> >  checkout.h         | 14 ++++++++++++++
> >  4 files changed, 59 insertions(+), 40 deletions(-)
> >  create mode 100644 checkout.c
> >  create mode 100644 checkout.h
> 
> I am not sure either.  I've always considered that entry.c is the
> libified thing codepath that want to do a "checkout" should call,
> but the functions that you are moving is at a "higher layer" that
> does not concern the core-git data structures (i.e. the 'tracking'
> is a mere "user" of the ref API, unlike things in entry.c such as
> checkout_entry() that is a more "maintainer" of the index integrity),
> so perhaps it makes sense to have new file for it.

> > diff --git a/checkout.c b/checkout.c
> > new file mode 100644
> > index 0000000000..a9cf378453
> > --- /dev/null
> > +++ b/checkout.c
> > @@ -0,0 +1,43 @@
> > +#include "cache.h"
> > +
> 
> A useless blank line.
> 
> > +#include "remote.h"
> > +
> 
> This one is useful ;-)
> 
> > +struct tracking_name_data {
> > ...
> > diff --git a/checkout.h b/checkout.h
> > new file mode 100644
> > index 0000000000..9272fe1449
> > --- /dev/null
> > +++ b/checkout.h
> > @@ -0,0 +1,14 @@
> > +#ifndef CHECKOUT_H
> > +#define CHECKOUT_H
> > +
> > +#include "git-compat-util.h"
> > +#include "cache.h"
> 
> Try "git grep -e git-compat-util Documentation/CodingGuidelines" and
> just keep inclusion of "cache.h".