From: Jacob Keller <jacob.keller@gmail.com>
To: Karthik Nayak <karthik.188@gmail.com>
Cc: Junio C Hamano <gitster@pobox.com>,
Git mailing list <git@vger.kernel.org>
Subject: Re: [PATCH v7 13/17] ref-filter: add `:dir` and `:base` options for ref printing atoms
Date: Mon, 14 Nov 2016 23:56:12 -0800 [thread overview]
Message-ID: <CA+P7+xrrg8Dn26JX7LPGV+FFUsPe7XcoGm2btBN=-dX=cBLeMA@mail.gmail.com> (raw)
In-Reply-To: <CA+P7+xo6OqcpLZ7v_m1EPm85eK2xCPD_LCw1Ly2RSPeSC0Ei7g@mail.gmail.com>
On Mon, Nov 14, 2016 at 11:55 PM, Jacob Keller <jacob.keller@gmail.com> wrote:
> On Mon, Nov 14, 2016 at 10:48 PM, Karthik Nayak <karthik.188@gmail.com> wrote:
>> On Tue, Nov 15, 2016 at 1:21 AM, Junio C Hamano <gitster@pobox.com> wrote:
>>> Karthik Nayak <karthik.188@gmail.com> writes:
>>>
>>>>> - 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?
>>
>> ':dir' is equivalent to dirname(). Yup, base is the folder right after 'refs/'.
>> For local branches it is 'heads' for remotes it is 'remotes'. This is useful
>> when we want to make decisions based on the type of branch we're dealing
>> with (using along with %(if)...%(end)).
>>
>> --
>> Regards,
>> Karthik Nayak
>
>
> dirname makes sense. What about implementing a reverse variant of
> strip, which you could perform stripping of right-most components and
> instead of stripping by a number, strip "to" a number, ie: keep the
> left N most components, and then you could use something like
>
> "keep=2" to keep "refs/heads"
>
> ?
>
> I think that would be more general purpose than basename, and less confusing?
>
> Thanks,
> Jake
You could even make it compatible with strip so that:
"keep=2,strip=1" would return the equivalent of base?
Thanks,
Jake
next prev parent reply other threads:[~2016-11-15 7:56 UTC|newest]
Thread overview: 94+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-08 20:11 [PATCH v7 00/17] port branch.c to use ref-filter's printing options Karthik Nayak
2016-11-08 20:11 ` [PATCH v7 01/17] ref-filter: implement %(if), %(then), and %(else) atoms Karthik Nayak
2016-11-08 23:13 ` Jacob Keller
2016-11-10 17:11 ` Karthik Nayak
2016-11-10 23:20 ` Junio C Hamano
2016-11-11 9:13 ` Karthik Nayak
2016-11-10 23:13 ` Junio C Hamano
2016-11-11 9:10 ` Karthik Nayak
2016-11-08 20:11 ` [PATCH v7 02/17] ref-filter: include reference to 'used_atom' within 'atom_value' Karthik Nayak
2016-11-08 23:16 ` Jacob Keller
2016-11-10 17:16 ` Karthik Nayak
2016-11-08 20:11 ` [PATCH v7 03/17] ref-filter: implement %(if:equals=<string>) and %(if:notequals=<string>) Karthik Nayak
2016-11-08 23:22 ` Jacob Keller
2016-11-10 17:31 ` Karthik Nayak
2016-11-11 5:27 ` Jacob Keller
2016-11-10 23:26 ` Junio C Hamano
2016-11-11 5:25 ` Jacob Keller
2016-11-12 9:19 ` Karthik Nayak
2016-11-18 19:58 ` Jakub Narębski
2016-11-20 7:23 ` Karthik Nayak
2016-11-08 20:11 ` [PATCH v7 04/17] ref-filter: modify "%(objectname:short)" to take length Karthik Nayak
2016-11-08 23:27 ` Jacob Keller
2016-11-10 17:36 ` Karthik Nayak
2016-11-11 5:29 ` Jacob Keller
2016-11-12 9:56 ` Karthik Nayak
2016-11-10 23:32 ` Junio C Hamano
2016-11-08 20:11 ` [PATCH v7 05/17] ref-filter: move get_head_description() from branch.c Karthik Nayak
2016-11-08 23:31 ` Jacob Keller
2016-11-10 19:01 ` Karthik Nayak
2016-11-08 20:12 ` [PATCH v7 06/17] ref-filter: introduce format_ref_array_item() Karthik Nayak
2016-11-08 23:32 ` Jacob Keller
2016-11-08 20:12 ` [PATCH v7 07/17] ref-filter: make %(upstream:track) prints "[gone]" for invalid upstreams Karthik Nayak
2016-11-08 23:37 ` Jacob Keller
2016-11-12 18:48 ` Karthik Nayak
2016-11-08 20:12 ` [PATCH v7 08/17] ref-filter: add support for %(upstream:track,nobracket) Karthik Nayak
2016-11-08 23:45 ` Jacob Keller
2016-11-12 20:01 ` Karthik Nayak
2016-11-08 20:12 ` [PATCH v7 09/17] ref-filter: make "%(symref)" atom work with the ':short' modifier Karthik Nayak
2016-11-08 23:46 ` Jacob Keller
2016-11-18 21:34 ` Jakub Narębski
2016-11-20 7:31 ` Karthik Nayak
2016-11-08 20:12 ` [PATCH v7 10/17] ref-filter: introduce refname_atom_parser_internal() Karthik Nayak
2016-11-18 21:36 ` Jakub Narębski
2016-11-20 7:34 ` Karthik Nayak
2016-11-08 20:12 ` [PATCH v7 11/17] ref-filter: introduce symref_atom_parser() and refname_atom_parser() Karthik Nayak
2016-11-08 23:52 ` Jacob Keller
2016-11-12 20:12 ` Karthik Nayak
2016-11-08 20:12 ` [PATCH v7 12/17] ref-filter: make remote_ref_atom_parser() use refname_atom_parser_internal() Karthik Nayak
2016-11-08 23:54 ` Jacob Keller
2016-11-08 20:12 ` [PATCH v7 13/17] ref-filter: add `:dir` and `:base` options for ref printing atoms Karthik Nayak
2016-11-08 23:58 ` Jacob Keller
2016-11-13 14:07 ` Karthik Nayak
2016-11-14 1:55 ` Junio C Hamano
2016-11-14 19:36 ` Karthik Nayak
2016-11-14 19:51 ` Junio C Hamano
2016-11-15 6:48 ` Karthik Nayak
2016-11-15 7:55 ` Jacob Keller
2016-11-15 7:56 ` Jacob Keller [this message]
2016-11-15 17:42 ` Junio C Hamano
2016-11-15 21:19 ` Jacob Keller
2016-11-16 7:58 ` Karthik Nayak
2016-11-17 18:35 ` Junio C Hamano
2016-11-18 7:33 ` Karthik Nayak
2016-11-18 8:19 ` Jacob Keller
2016-11-18 18:18 ` Junio C Hamano
2016-11-18 21:49 ` Jakub Narębski
2016-11-20 15:16 ` Karthik Nayak
2016-11-20 16:52 ` Karthik Nayak
2016-11-20 17:32 ` Junio C Hamano
2016-11-20 18:43 ` Jakub Narębski
2016-11-22 18:34 ` Karthik Nayak
2016-11-08 20:12 ` [PATCH v7 14/17] ref-filter: allow porcelain to translate messages in the output Karthik Nayak
2016-11-09 0:00 ` Jacob Keller
2016-11-18 22:46 ` Jakub Narębski
2016-11-20 15:33 ` Karthik Nayak
2016-11-21 8:41 ` Matthieu Moy
2016-11-22 18:33 ` Karthik Nayak
2016-11-08 20:12 ` [PATCH v7 15/17] branch, tag: use porcelain output Karthik Nayak
2016-11-09 0:01 ` Jacob Keller
2016-11-08 20:12 ` [PATCH v7 16/17] branch: use ref-filter printing APIs Karthik Nayak
2016-11-09 0:14 ` Jacob Keller
2016-11-14 19:23 ` Karthik Nayak
2016-11-15 1:36 ` Jacob Keller
2016-11-17 19:50 ` Junio C Hamano
2016-11-17 22:05 ` Junio C Hamano
2016-11-22 18:31 ` Karthik Nayak
2016-11-08 20:12 ` [PATCH v7 17/17] branch: implement '--format' option Karthik Nayak
2016-11-09 0:15 ` [PATCH v7 00/17] port branch.c to use ref-filter's printing options Jacob Keller
2016-11-14 19:24 ` Karthik Nayak
2016-11-15 20:43 ` Junio C Hamano
2016-11-15 20:57 ` Re* " Junio C Hamano
2016-11-16 15:31 ` Karthik Nayak
2016-11-18 23:31 ` Junio C Hamano
2016-11-20 7:08 ` Karthik Nayak
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