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From: William Baker <williamtbakeremail@gmail.com>
To: Junio C Hamano <gitster@pobox.com>
Cc: William Baker via GitGitGadget <gitgitgadget@gmail.com>,
	git@vger.kernel.org, stolee@gmail.com, jeffhost@microsoft.com,
	William Baker <William.Baker@microsoft.com>
Subject: Re: [PATCH 1/1] multi-pack-index: add --no-progress Add --no-progress option to git multi-pack-index. The progress feature was added in 144d703 ("multi-pack-index: report progress during 'verify'", 2018-09-13) but the ability to opt-out was overlooked.
Date: Mon, 16 Sep 2019 12:49:24 -0700	[thread overview]
Message-ID: <ec5e29f4-9aa1-b179-c71e-2693e4247b01@gmail.com> (raw)
In-Reply-To: <xmqqo8zoc57y.fsf@gitster-ct.c.googlers.com>

On 9/13/19 1:26 PM, Junio C Hamano wrote:

> Compare the ways how dispatching and command line option parsing of
> subcommands in "multi-pack-index" and "commit-graph" are
> implemented.  When a command (e.g. "commit-graph") takes common
> options and also has subcommands (e.g. "read" and "write") that take
> different set of options, there is a common options parser in the
> primary entry point (e.g. "cmd_commit_graph()"), and after
> dispatching to a chosen subcommand, the implementation of each
> subcommand (e.g. "graph_read()" and "graph_write()") parses its own
> options.  That's bog-standard way.

Thanks for the pointer to "commit-graph", looking through that code
cleared up any questions I had.

After taking another look through the "multi-pack-index" code my plan
is to update all of the subcommands to understand [--[no-]progress].
I gave the public struct in midx.h approach a try, but after seeing
how that looks I think it would be cleaner to update "write" and "expire"
to display progress and have an explicit parameter.

> Started as an isolated experimental command whose
> existence as a standalone command is solely because it was easier to
> experiment with (as opposed to being a plumbing command to be used
> by scripters), it probably was an acceptable trade-off to leave the
> code in this shape.  In the longer run, I suspect we'd rather want
> to get rid of "git multi-pack-index" as a standalone command and
> instead make "git gc" and other commands make direct calls to the
> internal machinery of midx code from strategic places.  So in that
> sense, I am not sure if I should "recommend" fixing the way the
> subcommand dispatching works in this command, or just accept to keep
> the ugly technical debt and let it limp along...

Thanks for the background here, it helped with understanding why the
multi-pack-index parsing is different than the other commands.

My plan is to include 3 commits in the next (v2) patch series:

1. Adding the new parameters to midx.h/c to control progress
2. Update write/expire to display progress
3. Update the multi-pack-index.c builtin to parse the [--[no-]progress]
   option and update the tests.

I wasn't thinking that I would adjust the the subcommand dispatching in 
multi-pack-index.c in this patch series.  By updating all of the subcommands
to support [--[no-]progress] I should be able to keep the changes to 
multi-pack-index.c quite small.  If you see any potential issues with this
approach please let me know.

Thanks,
William

  reply	other threads:[~2019-09-16 19:49 UTC|newest]

Thread overview: 58+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-11 15:37 [PATCH 0/1] multi-pack-index: add --no-progress William Baker via GitGitGadget
2019-09-11 15:37 ` [PATCH 1/1] multi-pack-index: add --no-progress Add --no-progress option to git multi-pack-index. The progress feature was added in 144d703 ("multi-pack-index: report progress during 'verify'", 2018-09-13) but the ability to opt-out was overlooked William Baker via GitGitGadget
2019-09-12 20:17   ` Junio C Hamano
2019-09-13 18:45     ` William Baker
2019-09-13 20:26       ` Junio C Hamano
2019-09-16 19:49         ` William Baker [this message]
2019-09-11 20:30 ` [PATCH 0/1] multi-pack-index: add --no-progress Derrick Stolee
2019-09-20 16:53 ` [PATCH v2 0/6] " William Baker via GitGitGadget
2019-09-20 16:53   ` [PATCH v2 1/6] midx: add MIDX_PROGRESS flag Add the MIDX_PROGRESS flag and update the write|verify|expire|repack functions in midx.h to accept a flags parameter. The MIDX_PROGRESS flag indicates whether the caller of the function would like progress information to be displayed. This patch only changes the method prototypes and does not change the functionality. The functionality change will be handled by a later patch William Baker via GitGitGadget
2019-09-20 20:01     ` Junio C Hamano
2019-09-20 20:16       ` Junio C Hamano
2019-09-21 12:11     ` [PATCH v2 1/6] midx: add MIDX_PROGRESS flag <snip> SZEDER Gábor
2019-09-23 21:55       ` William Baker
2019-09-28  3:40       ` Junio C Hamano
2019-09-30 17:01         ` William Baker
2019-10-02  5:38           ` Junio C Hamano
2019-10-02  5:43           ` Junio C Hamano
2019-10-02  7:04             ` Junio C Hamano
2019-10-02 15:56               ` William Baker
2019-10-07 17:12             ` SZEDER Gábor
2019-10-07 17:29         ` SZEDER Gábor
2019-10-08  4:30           ` Junio C Hamano
2019-10-08 16:24             ` William Baker
2019-10-09  0:16               ` SZEDER Gábor
2019-10-09  1:32             ` SZEDER Gábor
2019-10-15 20:00               ` William Baker
2019-10-16  2:09                 ` Junio C Hamano
2019-10-16 19:48                   ` William Baker
2019-10-18 21:35                     ` William Baker
2019-09-20 16:53   ` [PATCH v2 2/6] midx: add progress to write_midx_file Add progress to write_midx_file. Progress is displayed when the MIDX_PROGRESS flag is set William Baker via GitGitGadget
2019-09-20 20:10     ` Junio C Hamano
2019-09-23 21:12       ` William Baker
2019-09-28  3:49         ` Junio C Hamano
2019-09-30 16:36           ` William Baker
2019-09-20 16:53   ` [PATCH v2 3/6] midx: add progress to expire_midx_packs Add progress to expire_midx_packs. " William Baker via GitGitGadget
2019-09-20 16:53   ` [PATCH v2 5/6] midx: honor the MIDX_PROGRESS flag in midx_repack Update midx_repack to only display progress " William Baker via GitGitGadget
2019-09-20 20:12     ` Junio C Hamano
2019-09-20 16:53   ` [PATCH v2 4/6] midx: honor the MIDX_PROGRESS flag in verify_midx_file Update verify_midx_file " William Baker via GitGitGadget
2019-09-20 16:53   ` [PATCH v2 6/6] multi-pack-index: add [--[no-]progress] option. Add the --[no-]progress option to git multi-pack-index. Pass the MIDX_PROGRESS flag to the subcommand functions when progress should be displayed by multi-pack-index. The progress feature was added to 'verify' in 144d703 ("multi-pack-index: report progress during 'verify'", 2018-09-13) but some subcommands were not updated to display progress, and the ability to opt-out was overlooked William Baker via GitGitGadget
2019-09-20 19:54   ` [PATCH v2 0/6] multi-pack-index: add --no-progress Junio C Hamano
2019-09-20 20:33     ` William Baker
2019-09-20 20:23   ` Philip Oakley
2019-09-20 20:39     ` William Baker
2019-10-03 17:53   ` [PATCH v3 " William Baker via GitGitGadget
2019-10-03 17:53     ` [PATCH v3 1/6] midx: add MIDX_PROGRESS flag William Baker via GitGitGadget
2019-10-03 17:53     ` [PATCH v3 2/6] midx: add progress to write_midx_file William Baker via GitGitGadget
2019-10-03 17:53     ` [PATCH v3 3/6] midx: add progress to expire_midx_packs William Baker via GitGitGadget
2019-10-03 17:53     ` [PATCH v3 4/6] midx: honor the MIDX_PROGRESS flag in verify_midx_file William Baker via GitGitGadget
2019-10-03 17:53     ` [PATCH v3 5/6] midx: honor the MIDX_PROGRESS flag in midx_repack William Baker via GitGitGadget
2019-10-03 17:53     ` [PATCH v3 6/6] multi-pack-index: add [--[no-]progress] option William Baker via GitGitGadget
2019-10-03 22:46     ` [PATCH v3 0/6] multi-pack-index: add --no-progress Junio C Hamano
2019-10-21 18:39     ` [PATCH v4 " William Baker via GitGitGadget
2019-10-21 18:39       ` [PATCH v4 1/6] midx: add MIDX_PROGRESS flag William Baker via GitGitGadget
2019-10-21 18:39       ` [PATCH v4 2/6] midx: add progress to write_midx_file William Baker via GitGitGadget
2019-10-21 18:40       ` [PATCH v4 3/6] midx: add progress to expire_midx_packs William Baker via GitGitGadget
2019-10-21 18:40       ` [PATCH v4 4/6] midx: honor the MIDX_PROGRESS flag in verify_midx_file William Baker via GitGitGadget
2019-10-21 18:40       ` [PATCH v4 5/6] midx: honor the MIDX_PROGRESS flag in midx_repack William Baker via GitGitGadget
2019-10-21 18:40       ` [PATCH v4 6/6] multi-pack-index: add [--[no-]progress] option William Baker via GitGitGadget

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