Re: [PATCH v7 13/17] ref-filter: add `:dir` and `:base` options for ref printing atoms

From: Junio C Hamano <gitster@pobox.com>
Date: Nov 14, 2016, 19:51 UTC
Message-ID: <xmqqy40lx2k8.fsf@gitster.mtv.corp.google.com>
In-Reply-To: <CAOLa=ZSFuq2+6xsrJ=CcXuOVbTnbDirbRtu7Fonfk+9EdRpbxg@mail.gmail.com>

Karthik Nayak <karthik.188@gmail.com> writes:

Show 16 quoted lines

>>  - More importantly, what do these do?  I do not think of a good
>>    description that generalizes "base of refs/foo/bar/boz is foo" to
>>    explain your :base.
>
> $ ./git for-each-ref --format "%(refname)%(end) %(refname:dir)"
> refs/heads/master                  refs/heads
> refs/heads/ref-filter                refs/heads
> refs/remotes/junio/va/i18n     refs/remotes/junio/va
>
> $ ./git for-each-ref  refs/heads --format
> "%(align:left,30)%(refname)%(end) %(refname:base)"
> refs/heads/master                 heads
> refs/heads/ref-filter                heads
> refs/remotes/junio/va/i18n     remotes
>
> I guess this should clear it up.

Hmph.

I would guess from these examples that :dir is an equivalent to dirname(). But it is unclear how :base is defined. Is it the path component that comes immediately after "refs/" that appears at the beginning?